Mercurial > hg > octave-shane > gnulib-hg
annotate lib/strftime.c @ 1126:7cc87904bdba
(_REENTRANT): #define, as some hosts need this to declare localtime_r properly.
From Paul Eggert.
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Tue, 18 Nov 1997 03:32:00 +0000 |
| parents | 0a4438f607ff |
| children | 2139187e171f |
| rev | line source |
|---|---|
|
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1 /* Copyright (C) 1991, 92, 93, 94, 95, 96, 97 Free Software Foundation, Inc. |
| 9 | 2 |
| 1058 | 3 NOTE: The canonical source of this file is maintained with the GNU C Library. |
| 4 Bugs can be reported to bug-glibc@prep.ai.mit.edu. | |
| 9 | 5 |
| 1058 | 6 This program is free software; you can redistribute it and/or modify it |
| 7 under the terms of the GNU General Public License as published by the | |
| 8 Free Software Foundation; either version 2, or (at your option) any | |
| 9 later version. | |
| 9 | 10 |
| 1058 | 11 This program is distributed in the hope that it will be useful, |
| 12 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 GNU General Public License for more details. | |
| 782 | 15 |
| 1058 | 16 You should have received a copy of the GNU General Public License |
| 17 along with this program; if not, write to the Free Software | |
| 18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
| 19 USA. */ | |
| 9 | 20 |
| 125 | 21 #ifdef HAVE_CONFIG_H |
| 604 | 22 # include <config.h> |
| 23 #endif | |
| 24 | |
|
1126
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25 /* Some systems need this in order to declare localtime_r properly. */ |
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26 #ifndef _REENTRANT |
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27 # define _REENTRANT 1 |
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28 #endif |
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29 |
| 604 | 30 #ifdef _LIBC |
| 31 # define HAVE_LIMITS_H 1 | |
| 32 # define HAVE_MBLEN 1 | |
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33 # define HAVE_MBRLEN 1 |
| 794 | 34 # define HAVE_STRUCT_ERA_ENTRY 1 |
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35 # define HAVE_TM_GMTOFF 1 |
| 604 | 36 # define HAVE_TM_ZONE 1 |
| 813 | 37 # define HAVE_TZNAME 1 |
| 38 # define HAVE_TZSET 1 | |
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39 # define MULTIBYTE_IS_FORMAT_SAFE 1 |
| 604 | 40 # define STDC_HEADERS 1 |
| 41 # include "../locale/localeinfo.h" | |
| 125 | 42 #endif |
| 43 | |
| 1058 | 44 #if defined emacs && !defined HAVE_BCOPY |
| 45 # define HAVE_MEMCPY 1 | |
| 46 #endif | |
| 47 | |
| 813 | 48 #include <ctype.h> |
| 604 | 49 #include <sys/types.h> /* Some systems define `time_t' here. */ |
| 50 | |
| 51 #ifdef TIME_WITH_SYS_TIME | |
| 52 # include <sys/time.h> | |
| 53 # include <time.h> | |
| 9 | 54 #else |
| 604 | 55 # ifdef HAVE_SYS_TIME_H |
| 56 # include <sys/time.h> | |
| 57 # else | |
| 58 # include <time.h> | |
| 59 # endif | |
| 60 #endif | |
| 803 | 61 #if HAVE_TZNAME |
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62 extern char *tzname[]; |
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63 #endif |
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64 |
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65 /* Do multibyte processing if multibytes are supported, unless |
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66 multibyte sequences are safe in formats. Multibyte sequences are |
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67 safe if they cannot contain byte sequences that look like format |
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68 conversion specifications. The GNU C Library uses UTF8 multibyte |
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69 encoding, which is safe for formats, but strftime.c can be used |
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70 with other C libraries that use unsafe encodings. */ |
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71 #define DO_MULTIBYTE (HAVE_MBLEN && ! MULTIBYTE_IS_FORMAT_SAFE) |
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72 |
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73 #if DO_MULTIBYTE |
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74 # if HAVE_MBRLEN |
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75 # include <wchar.h> |
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76 # else |
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77 /* Simulate mbrlen with mblen as best we can. */ |
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78 # define mbstate_t int |
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79 # define mbrlen(s, n, ps) mblen (s, n) |
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80 # define mbsinit(ps) (*(ps) == 0) |
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81 # endif |
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82 static const mbstate_t mbstate_zero; |
| 604 | 83 #endif |
| 84 | |
| 85 #if HAVE_LIMITS_H | |
| 86 # include <limits.h> | |
| 9 | 87 #endif |
| 88 | |
| 604 | 89 #if STDC_HEADERS |
| 90 # include <stddef.h> | |
| 91 # include <stdlib.h> | |
| 92 # include <string.h> | |
| 93 #else | |
| 1058 | 94 # ifndef HAVE_MEMCPY |
| 95 # define memcpy(d, s, n) bcopy ((s), (d), (n)) | |
| 96 # endif | |
| 176 | 97 #endif |
| 98 | |
| 1109 | 99 #ifdef _LIBC |
| 100 # define MEMPCPY(d, s, n) __mempcpy (d, s, n) | |
| 101 #else | |
| 102 # ifndef HAVE_MEMPCPY | |
| 103 # define MEMPCPY(d, s, n) ((void *) ((char *) memcpy (d, s, n) + (n))) | |
| 104 # endif | |
| 105 #endif | |
| 106 | |
| 604 | 107 #ifndef __P |
| 817 | 108 # if defined (__GNUC__) || (defined (__STDC__) && __STDC__) |
| 109 # define __P(args) args | |
| 110 # else | |
| 111 # define __P(args) () | |
| 112 # endif /* GCC. */ | |
| 604 | 113 #endif /* Not __P. */ |
| 114 | |
| 115 #ifndef PTR | |
| 817 | 116 # ifdef __STDC__ |
| 117 # define PTR void * | |
| 118 # else | |
| 119 # define PTR char * | |
| 120 # endif | |
| 9 | 121 #endif |
| 122 | |
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123 #ifndef CHAR_BIT |
| 817 | 124 # define CHAR_BIT 8 |
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125 #endif |
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126 |
| 816 | 127 #ifndef NULL |
| 817 | 128 # define NULL 0 |
| 816 | 129 #endif |
| 130 | |
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131 #define TYPE_SIGNED(t) ((t) -1 < 0) |
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132 |
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133 /* Bound on length of the string representing an integer value of type t. |
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134 Subtract one for the sign bit if t is signed; |
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135 302 / 1000 is log10 (2) rounded up; |
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136 add one for integer division truncation; |
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137 add one more for a minus sign if t is signed. */ |
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138 #define INT_STRLEN_BOUND(t) \ |
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139 ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 100 + 1 + TYPE_SIGNED (t)) |
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140 |
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141 #define TM_YEAR_BASE 1900 |
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142 |
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143 #ifndef __isleap |
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144 /* Nonzero if YEAR is a leap year (every 4 years, |
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145 except every 100th isn't, and every 400th is). */ |
| 817 | 146 # define __isleap(year) \ |
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147 ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) |
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148 #endif |
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149 |
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150 |
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151 #ifdef _LIBC |
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152 # define gmtime_r __gmtime_r |
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153 # define localtime_r __localtime_r |
| 816 | 154 # define tzname __tzname |
| 155 # define tzset __tzset | |
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156 #else |
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157 # if ! HAVE_LOCALTIME_R |
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158 # if ! HAVE_TM_GMTOFF |
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159 /* Approximate gmtime_r as best we can in its absence. */ |
| 1058 | 160 # undef gmtime_r |
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161 # define gmtime_r my_gmtime_r |
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162 static struct tm *gmtime_r __P ((const time_t *, struct tm *)); |
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163 static struct tm * |
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164 gmtime_r (t, tp) |
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165 const time_t *t; |
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166 struct tm *tp; |
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167 { |
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168 struct tm *l = gmtime (t); |
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169 if (! l) |
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170 return 0; |
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171 *tp = *l; |
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172 return tp; |
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173 } |
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174 # endif /* ! HAVE_TM_GMTOFF */ |
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175 |
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176 /* Approximate localtime_r as best we can in its absence. */ |
| 1058 | 177 # undef localtime_r |
| 178 # define localtime_r my_ftime_localtime_r | |
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179 static struct tm *localtime_r __P ((const time_t *, struct tm *)); |
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180 static struct tm * |
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181 localtime_r (t, tp) |
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182 const time_t *t; |
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183 struct tm *tp; |
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184 { |
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185 struct tm *l = localtime (t); |
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186 if (! l) |
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187 return 0; |
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188 *tp = *l; |
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189 return tp; |
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190 } |
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191 # endif /* ! HAVE_LOCALTIME_R */ |
| 1109 | 192 #endif /* ! defined _LIBC */ |
| 9 | 193 |
| 194 | |
| 1058 | 195 #if !defined memset && !defined HAVE_MEMSET && !defined _LIBC |
| 813 | 196 /* Some systems lack the `memset' function and we don't want to |
| 197 introduce additional dependencies. */ | |
| 1058 | 198 /* The SGI compiler reportedly barfs on the trailing null |
| 199 if we use a string constant as the initializer. 28 June 1997, rms. */ | |
| 200 static const char spaces[16] = /* " " */ | |
| 201 { ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ' }; | |
| 202 static const char zeroes[16] = /* "0000000000000000" */ | |
| 203 { '0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0' }; | |
| 813 | 204 |
| 205 # define memset_space(P, Len) \ | |
| 206 do { \ | |
| 207 int _len = (Len); \ | |
| 929 | 208 \ |
| 813 | 209 do \ |
| 210 { \ | |
| 211 int _this = _len > 16 ? 16 : _len; \ | |
| 1109 | 212 (P) = MEMPCPY ((P), spaces, _this); \ |
| 813 | 213 _len -= _this; \ |
| 214 } \ | |
| 215 while (_len > 0); \ | |
| 216 } while (0) | |
| 929 | 217 |
| 218 # define memset_zero(P, Len) \ | |
| 219 do { \ | |
| 220 int _len = (Len); \ | |
| 221 \ | |
| 222 do \ | |
| 223 { \ | |
| 224 int _this = _len > 16 ? 16 : _len; \ | |
| 1109 | 225 (P) = MEMPCPY ((P), zeroes, _this); \ |
| 929 | 226 _len -= _this; \ |
| 227 } \ | |
| 228 while (_len > 0); \ | |
| 229 } while (0) | |
| 813 | 230 #else |
| 929 | 231 # define memset_space(P, Len) (memset ((P), ' ', (Len)), (P) += (Len)) |
| 232 # define memset_zero(P, Len) (memset ((P), '0', (Len)), (P) += (Len)) | |
| 813 | 233 #endif |
| 234 | |
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235 #define add(n, f) \ |
| 604 | 236 do \ |
| 237 { \ | |
| 813 | 238 int _n = (n); \ |
| 239 int _delta = width - _n; \ | |
| 816 | 240 int _incr = _n + (_delta > 0 ? _delta : 0); \ |
| 241 if (i + _incr >= maxsize) \ | |
| 604 | 242 return 0; \ |
| 816 | 243 if (p) \ |
| 244 { \ | |
| 245 if (_delta > 0) \ | |
| 929 | 246 { \ |
| 247 if (pad == '0') \ | |
| 248 memset_zero (p, _delta); \ | |
| 249 else \ | |
| 250 memset_space (p, _delta); \ | |
| 251 } \ | |
| 816 | 252 f; \ |
| 253 p += _n; \ | |
| 254 } \ | |
| 255 i += _incr; \ | |
| 604 | 256 } while (0) |
| 813 | 257 |
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258 #define cpy(n, s) \ |
| 813 | 259 add ((n), \ |
| 260 if (to_lowcase) \ | |
| 261 memcpy_lowcase (p, (s), _n); \ | |
| 816 | 262 else if (to_uppcase) \ |
| 263 memcpy_uppcase (p, (s), _n); \ | |
| 813 | 264 else \ |
| 265 memcpy ((PTR) p, (PTR) (s), _n)) | |
| 266 | |
| 267 | |
| 268 | |
| 269 #ifdef _LIBC | |
| 270 # define TOUPPER(Ch) toupper (Ch) | |
| 271 # define TOLOWER(Ch) tolower (Ch) | |
| 272 #else | |
| 273 # define TOUPPER(Ch) (islower (Ch) ? toupper (Ch) : (Ch)) | |
| 274 # define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) | |
| 275 #endif | |
| 819 | 276 /* We don't use `isdigit' here since the locale dependent |
| 277 interpretation is not what we want here. We only need to accept | |
| 278 the arabic digits in the ASCII range. One day there is perhaps a | |
| 279 more reliable way to accept other sets of digits. */ | |
| 280 #define ISDIGIT(Ch) ((unsigned int) (Ch) - '0' <= 9) | |
| 813 | 281 |
| 282 static char *memcpy_lowcase __P ((char *dest, const char *src, size_t len)); | |
| 283 | |
| 284 static char * | |
| 285 memcpy_lowcase (dest, src, len) | |
| 286 char *dest; | |
| 287 const char *src; | |
| 288 size_t len; | |
| 289 { | |
| 290 while (len-- > 0) | |
| 1109 | 291 dest[len] = TOLOWER ((unsigned char) src[len]); |
| 813 | 292 return dest; |
| 293 } | |
| 9 | 294 |
| 816 | 295 static char *memcpy_uppcase __P ((char *dest, const char *src, size_t len)); |
| 296 | |
| 297 static char * | |
| 298 memcpy_uppcase (dest, src, len) | |
| 299 char *dest; | |
| 300 const char *src; | |
| 301 size_t len; | |
| 302 { | |
| 303 while (len-- > 0) | |
| 1109 | 304 dest[len] = TOUPPER ((unsigned char) src[len]); |
| 816 | 305 return dest; |
| 306 } | |
| 307 | |
| 1058 | 308 |
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309 #if ! HAVE_TM_GMTOFF |
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310 /* Yield the difference between *A and *B, |
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311 measured in seconds, ignoring leap seconds. */ |
| 1058 | 312 # define tm_diff ftime_tm_diff |
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313 static int tm_diff __P ((const struct tm *, const struct tm *)); |
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314 static int |
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315 tm_diff (a, b) |
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316 const struct tm *a; |
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317 const struct tm *b; |
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318 { |
| 794 | 319 /* Compute intervening leap days correctly even if year is negative. |
| 320 Take care to avoid int overflow in leap day calculations, | |
| 321 but it's OK to assume that A and B are close to each other. */ | |
| 322 int a4 = (a->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (a->tm_year & 3); | |
| 323 int b4 = (b->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (b->tm_year & 3); | |
| 324 int a100 = a4 / 25 - (a4 % 25 < 0); | |
| 325 int b100 = b4 / 25 - (b4 % 25 < 0); | |
| 326 int a400 = a100 >> 2; | |
| 327 int b400 = b100 >> 2; | |
| 328 int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400); | |
| 329 int years = a->tm_year - b->tm_year; | |
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330 int days = (365 * years + intervening_leap_days |
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331 + (a->tm_yday - b->tm_yday)); |
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332 return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour)) |
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333 + (a->tm_min - b->tm_min)) |
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334 + (a->tm_sec - b->tm_sec)); |
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335 } |
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336 #endif /* ! HAVE_TM_GMTOFF */ |
| 9 | 337 |
| 604 | 338 |
| 9 | 339 |
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340 /* The number of days from the first day of the first ISO week of this |
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341 year to the year day YDAY with week day WDAY. ISO weeks start on |
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342 Monday; the first ISO week has the year's first Thursday. YDAY may |
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343 be as small as YDAY_MINIMUM. */ |
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344 #define ISO_WEEK_START_WDAY 1 /* Monday */ |
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345 #define ISO_WEEK1_WDAY 4 /* Thursday */ |
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346 #define YDAY_MINIMUM (-366) |
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347 static int iso_week_days __P ((int, int)); |
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348 #ifdef __GNUC__ |
| 1058 | 349 __inline__ |
| 604 | 350 #endif |
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351 static int |
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352 iso_week_days (yday, wday) |
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353 int yday; |
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354 int wday; |
| 604 | 355 { |
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356 /* Add enough to the first operand of % to make it nonnegative. */ |
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357 int big_enough_multiple_of_7 = (-YDAY_MINIMUM / 7 + 2) * 7; |
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358 return (yday |
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359 - (yday - wday + ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7 |
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360 + ISO_WEEK1_WDAY - ISO_WEEK_START_WDAY); |
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361 } |
| 9 | 362 |
| 363 | |
| 1109 | 364 #if !(defined _NL_CURRENT || HAVE_STRFTIME) |
| 604 | 365 static char const weekday_name[][10] = |
| 366 { | |
| 367 "Sunday", "Monday", "Tuesday", "Wednesday", | |
| 368 "Thursday", "Friday", "Saturday" | |
| 369 }; | |
| 370 static char const month_name[][10] = | |
| 371 { | |
| 372 "January", "February", "March", "April", "May", "June", | |
| 373 "July", "August", "September", "October", "November", "December" | |
| 374 }; | |
| 375 #endif | |
| 9 | 376 |
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377 |
| 1109 | 378 #ifdef emacs |
| 379 # define my_strftime emacs_strftime | |
| 380 /* Emacs 20.2 uses `-Dstrftime=emacs_strftime' when compiling, | |
| 381 because that's how strftime used to be configured. | |
| 382 Undo this, since it gets in the way of accessing the underlying strftime, | |
| 383 which is needed for things like %Ec in Solaris. | |
| 384 The following two lines can be removed once Emacs stops compiling with | |
| 385 `-Dstrftime=emacs_strftime'. */ | |
| 386 # undef strftime | |
| 387 size_t strftime __P ((char *, size_t, const char *, const struct tm *)); | |
| 388 #else | |
| 389 # define my_strftime strftime | |
| 390 #endif | |
| 391 | |
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392 #if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET |
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393 /* Solaris 2.5 tzset sometimes modifies the storage returned by localtime. |
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394 Work around this bug by copying *tp before it might be munged. */ |
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395 size_t _strftime_copytm __P ((char *, size_t, const char *, |
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396 const struct tm *)); |
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397 size_t |
| 1109 | 398 my_strftime (s, maxsize, format, tp) |
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399 char *s; |
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400 size_t maxsize; |
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401 const char *format; |
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402 const struct tm *tp; |
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403 { |
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404 struct tm tmcopy; |
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405 tmcopy = *tp; |
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406 return _strftime_copytm (s, maxsize, format, &tmcopy); |
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407 } |
| 1109 | 408 # undef my_strftime |
| 409 # define my_strftime(S, Maxsize, Format, Tp) \ | |
| 929 | 410 _strftime_copytm (S, Maxsize, Format, Tp) |
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411 #endif |
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412 |
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413 |
| 604 | 414 /* Write information from TP into S according to the format |
| 415 string FORMAT, writing no more that MAXSIZE characters | |
| 416 (including the terminating '\0') and returning number of | |
| 417 characters written. If S is NULL, nothing will be written | |
| 418 anywhere, so to determine how many characters would be | |
| 419 written, use NULL for S and (size_t) UINT_MAX for MAXSIZE. */ | |
| 420 size_t | |
| 1109 | 421 my_strftime (s, maxsize, format, tp) |
| 604 | 422 char *s; |
| 423 size_t maxsize; | |
| 424 const char *format; | |
| 813 | 425 const struct tm *tp; |
| 604 | 426 { |
| 427 int hour12 = tp->tm_hour; | |
| 428 #ifdef _NL_CURRENT | |
| 429 const char *const a_wkday = _NL_CURRENT (LC_TIME, ABDAY_1 + tp->tm_wday); | |
| 430 const char *const f_wkday = _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday); | |
| 431 const char *const a_month = _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon); | |
| 432 const char *const f_month = _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon); | |
| 433 const char *const ampm = _NL_CURRENT (LC_TIME, | |
| 434 hour12 > 11 ? PM_STR : AM_STR); | |
| 794 | 435 size_t aw_len = strlen (a_wkday); |
| 436 size_t am_len = strlen (a_month); | |
| 604 | 437 size_t ap_len = strlen (ampm); |
| 438 #else | |
| 1109 | 439 # if !HAVE_STRFTIME |
| 604 | 440 const char *const f_wkday = weekday_name[tp->tm_wday]; |
| 441 const char *const f_month = month_name[tp->tm_mon]; | |
| 442 const char *const a_wkday = f_wkday; | |
| 443 const char *const a_month = f_month; | |
| 444 const char *const ampm = "AMPM" + 2 * (hour12 > 11); | |
| 445 size_t aw_len = 3; | |
| 446 size_t am_len = 3; | |
| 447 size_t ap_len = 2; | |
| 1109 | 448 # endif |
| 604 | 449 #endif |
| 1109 | 450 #if defined _NL_CURRENT || !HAVE_STRFTIME |
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451 size_t wkday_len = strlen (f_wkday); |
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452 size_t month_len = strlen (f_month); |
| 1109 | 453 #endif |
| 604 | 454 const char *zone; |
| 455 size_t zonelen; | |
| 813 | 456 size_t i = 0; |
| 457 char *p = s; | |
| 458 const char *f; | |
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459 |
| 813 | 460 zone = NULL; |
| 1058 | 461 #if HAVE_TM_ZONE |
| 462 /* The POSIX test suite assumes that setting | |
| 813 | 463 the environment variable TZ to a new value before calling strftime() |
| 464 will influence the result (the %Z format) even if the information in | |
| 1058 | 465 TP is computed with a totally different time zone. |
| 466 This is bogus: though POSIX allows bad behavior like this, | |
| 467 POSIX does not require it. Do the right thing instead. */ | |
| 604 | 468 zone = (const char *) tp->tm_zone; |
| 469 #endif | |
| 470 #if HAVE_TZNAME | |
| 813 | 471 /* POSIX.1 8.1.1 requires that whenever strftime() is called, the |
| 472 time zone names contained in the external variable `tzname' shall | |
| 473 be set as if the tzset() function had been called. */ | |
| 474 # if HAVE_TZSET | |
| 475 tzset (); | |
| 476 # endif | |
| 477 | |
| 604 | 478 if (!(zone && *zone) && tp->tm_isdst >= 0) |
| 479 zone = tzname[tp->tm_isdst]; | |
| 480 #endif | |
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481 if (! zone) |
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482 zone = ""; /* POSIX.2 requires the empty string here. */ |
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483 |
| 604 | 484 zonelen = strlen (zone); |
| 485 | |
| 486 if (hour12 > 12) | |
| 487 hour12 -= 12; | |
| 488 else | |
| 489 if (hour12 == 0) hour12 = 12; | |
| 490 | |
| 491 for (f = format; *f != '\0'; ++f) | |
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492 { |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
493 int pad; /* Padding for number ('-', '_', or 0). */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
494 int modifier; /* Field modifier ('E', 'O', or 0). */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
495 int digits; /* Max digits for numeric format. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
496 int number_value; /* Numeric value to be printed. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
497 int negative_number; /* 1 if the number is negative. */ |
| 604 | 498 const char *subfmt; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
499 char *bufp; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
500 char buf[1 + (sizeof (int) < sizeof (time_t) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
501 ? INT_STRLEN_BOUND (time_t) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
502 : INT_STRLEN_BOUND (int))]; |
| 813 | 503 int width = -1; |
| 504 int to_lowcase = 0; | |
| 816 | 505 int to_uppcase = 0; |
| 1058 | 506 int change_case = 0; |
| 1109 | 507 int format_char; |
| 9 | 508 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
509 #if DO_MULTIBYTE |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
510 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
511 switch (*f) |
| 604 | 512 { |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
513 case '%': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
514 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
515 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
516 case '\a': case '\b': case '\t': case '\n': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
517 case '\v': case '\f': case '\r': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
518 case ' ': case '!': case '"': case '#': case '&': case'\'': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
519 case '(': case ')': case '*': case '+': case ',': case '-': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
520 case '.': case '/': case '0': case '1': case '2': case '3': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
521 case '4': case '5': case '6': case '7': case '8': case '9': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
522 case ':': case ';': case '<': case '=': case '>': case '?': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
523 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
524 case 'G': case 'H': case 'I': case 'J': case 'K': case 'L': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
525 case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
526 case 'S': case 'T': case 'U': case 'V': case 'W': case 'X': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
527 case 'Y': case 'Z': case '[': case'\\': case ']': case '^': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
528 case '_': case 'a': case 'b': case 'c': case 'd': case 'e': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
529 case 'f': case 'g': case 'h': case 'i': case 'j': case 'k': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
530 case 'l': case 'm': case 'n': case 'o': case 'p': case 'q': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
531 case 'r': case 's': case 't': case 'u': case 'v': case 'w': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
532 case 'x': case 'y': case 'z': case '{': case '|': case '}': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
533 case '~': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
534 /* The C Standard requires these 98 characters (plus '%') to |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
535 be in the basic execution character set. None of these |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
536 characters can start a multibyte sequence, so they need |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
537 not be analyzed further. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
538 add (1, *p = *f); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
539 continue; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
540 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
541 default: |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
542 /* Copy this multibyte sequence until we reach its end, find |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
543 an error, or come back to the initial shift state. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
544 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
545 mbstate_t mbstate = mbstate_zero; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
546 size_t len = 0; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
547 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
548 do |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
549 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
550 size_t bytes = mbrlen (f + len, (size_t) -1, &mbstate); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
551 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
552 if (bytes == 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
553 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
554 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
555 if (bytes == (size_t) -2 || bytes == (size_t) -1) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
556 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
557 len++; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
558 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
559 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
560 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
561 len += bytes; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
562 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
563 while (! mbsinit (&mbstate)); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
564 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
565 cpy (len, f); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
566 continue; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
567 } |
| 604 | 568 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
569 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
570 #else /* ! DO_MULTIBYTE */ |
| 9 | 571 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
572 /* Either multibyte encodings are not supported, or they are |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
573 safe for formats, so any non-'%' byte can be copied through. */ |
| 604 | 574 if (*f != '%') |
| 575 { | |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
576 add (1, *p = *f); |
| 604 | 577 continue; |
| 578 } | |
| 9 | 579 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
580 #endif /* ! DO_MULTIBYTE */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
581 |
| 829 | 582 /* Check for flags that can modify a format. */ |
| 583 pad = 0; | |
| 813 | 584 while (1) |
| 9 | 585 { |
| 816 | 586 switch (*++f) |
| 813 | 587 { |
| 829 | 588 /* This influences the number formats. */ |
| 813 | 589 case '_': |
| 590 case '-': | |
| 591 case '0': | |
| 816 | 592 pad = *f; |
| 593 continue; | |
| 594 | |
| 829 | 595 /* This changes textual output. */ |
| 816 | 596 case '^': |
| 597 to_uppcase = 1; | |
| 598 continue; | |
| 1058 | 599 case '#': |
| 600 change_case = 1; | |
| 601 continue; | |
| 813 | 602 |
| 603 default: | |
| 604 break; | |
| 605 } | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
606 break; |
| 813 | 607 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
608 |
| 813 | 609 /* As a GNU extension we allow to specify the field width. */ |
| 819 | 610 if (ISDIGIT (*f)) |
| 813 | 611 { |
| 612 width = 0; | |
| 613 do | |
| 614 { | |
| 615 width *= 10; | |
| 616 width += *f - '0'; | |
| 819 | 617 ++f; |
| 813 | 618 } |
| 819 | 619 while (ISDIGIT (*f)); |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
620 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
621 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
622 /* Check for modifiers. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
623 switch (*f) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
624 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
625 case 'E': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
626 case 'O': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
627 modifier = *f++; |
| 604 | 628 break; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
629 |
| 604 | 630 default: |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
631 modifier = 0; |
| 604 | 632 break; |
| 633 } | |
| 9 | 634 |
| 604 | 635 /* Now do the specified format. */ |
| 1109 | 636 format_char = *f; |
| 637 switch (format_char) | |
| 604 | 638 { |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
639 #define DO_NUMBER(d, v) \ |
| 1058 | 640 digits = width == -1 ? d : width; \ |
| 641 number_value = v; goto do_number | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
642 #define DO_NUMBER_SPACEPAD(d, v) \ |
| 1058 | 643 digits = width == -1 ? d : width; \ |
| 644 number_value = v; goto do_number_spacepad | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
645 |
| 604 | 646 case '%': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
647 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
648 goto bad_format; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
649 add (1, *p = *f); |
| 604 | 650 break; |
| 651 | |
| 652 case 'a': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
653 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
654 goto bad_format; |
| 1058 | 655 if (change_case) |
| 656 { | |
| 657 to_uppcase = 1; | |
| 658 to_lowcase = 0; | |
| 659 } | |
| 1109 | 660 #if defined _NL_CURRENT || !HAVE_STRFTIME |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
661 cpy (aw_len, a_wkday); |
| 604 | 662 break; |
| 1109 | 663 #else |
| 664 goto underlying_strftime; | |
| 665 #endif | |
| 604 | 666 |
| 667 case 'A': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
668 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
669 goto bad_format; |
| 1058 | 670 if (change_case) |
| 671 { | |
| 672 to_uppcase = 1; | |
| 673 to_lowcase = 0; | |
| 674 } | |
| 1109 | 675 #if defined _NL_CURRENT || !HAVE_STRFTIME |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
676 cpy (wkday_len, f_wkday); |
| 604 | 677 break; |
| 1109 | 678 #else |
| 679 goto underlying_strftime; | |
| 680 #endif | |
| 604 | 681 |
| 682 case 'b': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
683 case 'h': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
684 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
685 goto bad_format; |
| 1109 | 686 #if defined _NL_CURRENT || !HAVE_STRFTIME |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
687 cpy (am_len, a_month); |
| 604 | 688 break; |
| 1109 | 689 #else |
| 690 goto underlying_strftime; | |
| 691 #endif | |
| 604 | 692 |
| 693 case 'B': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
694 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
695 goto bad_format; |
| 1058 | 696 if (change_case) |
| 697 { | |
| 698 to_uppcase = 1; | |
| 699 to_lowcase = 0; | |
| 700 } | |
| 1109 | 701 #if defined _NL_CURRENT || !HAVE_STRFTIME |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
702 cpy (month_len, f_month); |
| 604 | 703 break; |
| 1109 | 704 #else |
| 705 goto underlying_strftime; | |
| 706 #endif | |
| 9 | 707 |
| 604 | 708 case 'c': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
709 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
710 goto bad_format; |
| 604 | 711 #ifdef _NL_CURRENT |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
712 if (! (modifier == 'E' |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
713 && *(subfmt = _NL_CURRENT (LC_TIME, ERA_D_T_FMT)) != '\0')) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
714 subfmt = _NL_CURRENT (LC_TIME, D_T_FMT); |
| 604 | 715 #else |
| 1109 | 716 # if HAVE_STRFTIME |
| 717 goto underlying_strftime; | |
| 718 # else | |
|
797
a82f1b225592
(strftime): Remove " %Z" part of format for %c. Suggestion from Paul Eggert.
Jim Meyering <jim@meyering.net>
parents:
794
diff
changeset
|
719 subfmt = "%a %b %e %H:%M:%S %Y"; |
| 1109 | 720 # endif |
| 604 | 721 #endif |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
722 |
| 604 | 723 subformat: |
| 724 { | |
| 816 | 725 char *old_start = p; |
| 1109 | 726 size_t len = my_strftime (NULL, maxsize - i, subfmt, tp); |
| 604 | 727 if (len == 0 && *subfmt) |
| 728 return 0; | |
| 1109 | 729 add (len, my_strftime (p, maxsize - i, subfmt, tp)); |
| 816 | 730 |
| 731 if (to_uppcase) | |
| 732 while (old_start < p) | |
| 733 { | |
| 1109 | 734 *old_start = TOUPPER ((unsigned char) *old_start); |
| 816 | 735 ++old_start; |
| 736 } | |
| 604 | 737 } |
| 738 break; | |
| 739 | |
| 1109 | 740 #if HAVE_STRFTIME && ! (defined _NL_CURRENT && HAVE_STRUCT_ERA_ENTRY) |
| 741 underlying_strftime: | |
| 742 { | |
| 743 /* The relevant information is available only via the | |
| 744 underlying strftime implementation, so use that. */ | |
| 745 char ufmt[4]; | |
| 746 char *u = ufmt; | |
| 747 char ubuf[1024]; /* enough for any single format in practice */ | |
| 748 size_t len; | |
| 749 *u++ = '%'; | |
| 750 if (modifier != 0) | |
| 751 *u++ = modifier; | |
| 752 *u++ = format_char; | |
| 753 *u = '\0'; | |
| 754 len = strftime (ubuf, sizeof ubuf, ufmt, tp); | |
| 755 if (len == 0) | |
| 756 return 0; | |
| 757 cpy (len, ubuf); | |
| 758 } | |
| 759 break; | |
| 760 #endif | |
| 761 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
762 case 'C': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
763 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
764 goto bad_format; |
| 794 | 765 if (modifier == 'E') |
| 766 { | |
| 1109 | 767 #if HAVE_STRUCT_ERA_ENTRY |
| 794 | 768 struct era_entry *era = _nl_get_era_entry (tp); |
| 769 if (era) | |
| 770 { | |
| 771 size_t len = strlen (era->name_fmt); | |
| 772 cpy (len, era->name_fmt); | |
| 773 break; | |
| 774 } | |
| 1109 | 775 #else |
| 776 # if HAVE_STRFTIME | |
| 777 goto underlying_strftime; | |
| 778 # endif | |
| 779 #endif | |
| 794 | 780 } |
| 1109 | 781 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
782 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
783 int year = tp->tm_year + TM_YEAR_BASE; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
784 DO_NUMBER (1, year / 100 - (year % 100 < 0)); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
785 } |
| 9 | 786 |
| 604 | 787 case 'x': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
788 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
789 goto bad_format; |
| 604 | 790 #ifdef _NL_CURRENT |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
791 if (! (modifier == 'E' |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
792 && *(subfmt = _NL_CURRENT (LC_TIME, ERA_D_FMT)) != '\0')) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
793 subfmt = _NL_CURRENT (LC_TIME, D_FMT); |
| 604 | 794 goto subformat; |
| 1109 | 795 #else |
| 796 # if HAVE_STRFTIME | |
| 797 goto underlying_strftime; | |
| 798 # else | |
| 799 /* Fall through. */ | |
| 800 # endif | |
| 604 | 801 #endif |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
802 case 'D': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
803 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
804 goto bad_format; |
| 604 | 805 subfmt = "%m/%d/%y"; |
| 806 goto subformat; | |
| 807 | |
| 808 case 'd': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
809 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
810 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
811 |
| 604 | 812 DO_NUMBER (2, tp->tm_mday); |
| 813 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
814 case 'e': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
815 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
816 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
817 |
| 657 | 818 DO_NUMBER_SPACEPAD (2, tp->tm_mday); |
| 176 | 819 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
820 /* All numeric formats set DIGITS and NUMBER_VALUE and then |
| 604 | 821 jump to one of these two labels. */ |
| 822 | |
| 657 | 823 do_number_spacepad: |
| 813 | 824 /* Force `_' flag unless overwritten by `0' flag. */ |
| 825 if (pad != '0') | |
| 826 pad = '_'; | |
| 176 | 827 |
| 604 | 828 do_number: |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
829 /* Format the number according to the MODIFIER flag. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
830 |
| 794 | 831 if (modifier == 'O' && 0 <= number_value) |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
832 { |
| 1109 | 833 #ifdef _NL_CURRENT |
| 794 | 834 /* Get the locale specific alternate representation of |
| 835 the number NUMBER_VALUE. If none exist NULL is returned. */ | |
| 836 const char *cp = _nl_get_alt_digit (number_value); | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
837 |
| 794 | 838 if (cp != NULL) |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
839 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
840 size_t digitlen = strlen (cp); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
841 if (digitlen != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
842 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
843 cpy (digitlen, cp); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
844 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
845 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
846 } |
| 1109 | 847 #else |
| 848 # if HAVE_STRFTIME | |
| 849 goto underlying_strftime; | |
| 850 # endif | |
| 851 #endif | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
852 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
853 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
854 unsigned int u = number_value; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
855 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
856 bufp = buf + sizeof (buf); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
857 negative_number = number_value < 0; |
| 604 | 858 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
859 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
860 u = -u; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
861 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
862 do |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
863 *--bufp = u % 10 + '0'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
864 while ((u /= 10) != 0); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
865 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
866 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
867 do_number_sign_and_padding: |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
868 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
869 *--bufp = '-'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
870 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
871 if (pad != '-') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
872 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
873 int padding = digits - (buf + sizeof (buf) - bufp); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
874 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
875 if (pad == '_') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
876 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
877 while (0 < padding--) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
878 *--bufp = ' '; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
879 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
880 else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
881 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
882 bufp += negative_number; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
883 while (0 < padding--) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
884 *--bufp = '0'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
885 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
886 *--bufp = '-'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
887 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
888 } |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
889 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
890 cpy (buf + sizeof (buf) - bufp, bufp); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
891 break; |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
892 |
| 1109 | 893 case 'F': |
| 894 if (modifier != 0) | |
| 895 goto bad_format; | |
| 896 subfmt = "%Y-%m-%d"; | |
| 897 goto subformat; | |
| 604 | 898 |
| 899 case 'H': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
900 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
901 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
902 |
| 604 | 903 DO_NUMBER (2, tp->tm_hour); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
904 |
| 604 | 905 case 'I': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
906 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
907 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
908 |
| 604 | 909 DO_NUMBER (2, hour12); |
| 910 | |
| 911 case 'k': /* GNU extension. */ | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
912 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
913 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
914 |
| 657 | 915 DO_NUMBER_SPACEPAD (2, tp->tm_hour); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
916 |
| 604 | 917 case 'l': /* GNU extension. */ |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
918 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
919 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
920 |
| 657 | 921 DO_NUMBER_SPACEPAD (2, hour12); |
| 604 | 922 |
| 923 case 'j': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
924 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
925 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
926 |
| 604 | 927 DO_NUMBER (3, 1 + tp->tm_yday); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
928 |
| 604 | 929 case 'M': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
930 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
931 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
932 |
| 604 | 933 DO_NUMBER (2, tp->tm_min); |
| 934 | |
| 935 case 'm': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
936 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
937 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
938 |
| 604 | 939 DO_NUMBER (2, tp->tm_mon + 1); |
| 940 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
941 case 'n': /* POSIX.2 extension. */ |
| 604 | 942 add (1, *p = '\n'); |
| 943 break; | |
| 944 | |
| 813 | 945 case 'P': |
| 946 to_lowcase = 1; | |
| 1109 | 947 #if !defined _NL_CURRENT && HAVE_STRFTIME |
| 948 format_char = 'p'; | |
| 949 #endif | |
| 813 | 950 /* FALLTHROUGH */ |
| 951 | |
| 604 | 952 case 'p': |
| 1058 | 953 if (change_case) |
| 954 { | |
| 955 to_uppcase = 0; | |
| 956 to_lowcase = 1; | |
| 957 } | |
| 1109 | 958 #if defined _NL_CURRENT || !HAVE_STRFTIME |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
959 cpy (ap_len, ampm); |
| 604 | 960 break; |
| 1109 | 961 #else |
| 962 goto underlying_strftime; | |
| 963 #endif | |
| 9 | 964 |
| 604 | 965 case 'R': /* GNU extension. */ |
| 966 subfmt = "%H:%M"; | |
| 967 goto subformat; | |
| 968 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
969 case 'r': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
970 #ifdef _NL_CURRENT |
| 794 | 971 if (*(subfmt = _NL_CURRENT (LC_TIME, T_FMT_AMPM)) == '\0') |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
972 #endif |
| 794 | 973 subfmt = "%I:%M:%S %p"; |
| 604 | 974 goto subformat; |
| 975 | |
| 976 case 'S': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
977 if (modifier == 'E') |
| 794 | 978 goto bad_format; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
979 |
| 604 | 980 DO_NUMBER (2, tp->tm_sec); |
| 981 | |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
982 case 's': /* GNU extension. */ |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
983 { |
|
726
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
984 struct tm ltm; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
985 time_t t; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
986 |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
987 ltm = *tp; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
988 t = mktime (<m); |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
989 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
990 /* Generate string value for T using time_t arithmetic; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
991 this works even if sizeof (long) < sizeof (time_t). */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
992 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
993 bufp = buf + sizeof (buf); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
994 negative_number = t < 0; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
995 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
996 do |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
997 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
998 int d = t % 10; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
999 t /= 10; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1000 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1001 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1002 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1003 d = -d; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1004 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1005 /* Adjust if division truncates to minus infinity. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1006 if (0 < -1 % 10 && d < 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1007 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1008 t++; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1009 d += 10; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1010 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1011 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1012 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1013 *--bufp = d + '0'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1014 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1015 while (t != 0); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1016 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1017 digits = 1; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1018 goto do_number_sign_and_padding; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1019 } |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1020 |
| 604 | 1021 case 'X': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1022 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1023 goto bad_format; |
| 604 | 1024 #ifdef _NL_CURRENT |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1025 if (! (modifier == 'E' |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1026 && *(subfmt = _NL_CURRENT (LC_TIME, ERA_T_FMT)) != '\0')) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1027 subfmt = _NL_CURRENT (LC_TIME, T_FMT); |
| 604 | 1028 goto subformat; |
| 1109 | 1029 #else |
| 1030 # if HAVE_STRFTIME | |
| 1031 goto underlying_strftime; | |
| 1032 # else | |
| 1033 /* Fall through. */ | |
| 1034 # endif | |
| 604 | 1035 #endif |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1036 case 'T': /* POSIX.2 extension. */ |
| 604 | 1037 subfmt = "%H:%M:%S"; |
| 1038 goto subformat; | |
| 1039 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1040 case 't': /* POSIX.2 extension. */ |
| 604 | 1041 add (1, *p = '\t'); |
| 1042 break; | |
| 1043 | |
| 1109 | 1044 case 'f': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1045 case 'u': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1046 DO_NUMBER (1, (tp->tm_wday - 1 + 7) % 7 + 1); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1047 |
| 604 | 1048 case 'U': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1049 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1050 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1051 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1052 DO_NUMBER (2, (tp->tm_yday - tp->tm_wday + 7) / 7); |
| 604 | 1053 |
| 1054 case 'V': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1055 case 'g': /* GNU extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1056 case 'G': /* GNU extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1057 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1058 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1059 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1060 int year = tp->tm_year + TM_YEAR_BASE; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1061 int days = iso_week_days (tp->tm_yday, tp->tm_wday); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1062 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1063 if (days < 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1064 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1065 /* This ISO week belongs to the previous year. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1066 year--; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1067 days = iso_week_days (tp->tm_yday + (365 + __isleap (year)), |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1068 tp->tm_wday); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1069 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1070 else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1071 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1072 int d = iso_week_days (tp->tm_yday - (365 + __isleap (year)), |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1073 tp->tm_wday); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1074 if (0 <= d) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1075 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1076 /* This ISO week belongs to the next year. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1077 year++; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1078 days = d; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1079 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1080 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1081 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1082 switch (*f) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1083 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1084 case 'g': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1085 DO_NUMBER (2, (year % 100 + 100) % 100); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1086 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1087 case 'G': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1088 DO_NUMBER (1, year); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1089 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1090 default: |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1091 DO_NUMBER (2, days / 7 + 1); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1092 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1093 } |
| 604 | 1094 |
| 1095 case 'W': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1096 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1097 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1098 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1099 DO_NUMBER (2, (tp->tm_yday - (tp->tm_wday - 1 + 7) % 7 + 7) / 7); |
| 604 | 1100 |
| 1101 case 'w': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1102 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1103 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1104 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1105 DO_NUMBER (1, tp->tm_wday); |
| 604 | 1106 |
| 1107 case 'Y': | |
| 794 | 1108 if (modifier == 'E') |
| 1109 { | |
| 1109 | 1110 #if HAVE_STRUCT_ERA_ENTRY |
| 794 | 1111 struct era_entry *era = _nl_get_era_entry (tp); |
| 1112 if (era) | |
| 1113 { | |
| 1114 subfmt = strchr (era->name_fmt, '\0') + 1; | |
| 1115 goto subformat; | |
| 1116 } | |
| 1109 | 1117 #else |
| 1118 # if HAVE_STRFTIME | |
| 1119 goto underlying_strftime; | |
| 1120 # endif | |
| 1121 #endif | |
| 794 | 1122 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1123 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1124 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1125 else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1126 DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE); |
| 604 | 1127 |
| 1128 case 'y': | |
| 794 | 1129 if (modifier == 'E') |
| 1130 { | |
| 1109 | 1131 #if HAVE_STRUCT_ERA_ENTRY |
| 794 | 1132 struct era_entry *era = _nl_get_era_entry (tp); |
| 1133 if (era) | |
| 1134 { | |
| 1135 int delta = tp->tm_year - era->start_date[0]; | |
| 1136 DO_NUMBER (1, (era->offset | |
| 1137 + (era->direction == '-' ? -delta : delta))); | |
| 1138 } | |
| 1109 | 1139 #else |
| 1140 # if HAVE_STRFTIME | |
| 1141 goto underlying_strftime; | |
| 1142 # endif | |
| 1143 #endif | |
| 794 | 1144 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1145 DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100); |
| 604 | 1146 |
| 1147 case 'Z': | |
| 1058 | 1148 if (change_case) |
| 1149 { | |
| 1150 to_uppcase = 0; | |
| 1151 to_lowcase = 1; | |
| 1152 } | |
| 804 | 1153 cpy (zonelen, zone); |
| 604 | 1154 break; |
| 1155 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1156 case 'z': /* GNU extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1157 if (tp->tm_isdst < 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1158 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1159 |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1160 { |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1161 int diff; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1162 #if HAVE_TM_GMTOFF |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1163 diff = tp->tm_gmtoff; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1164 #else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1165 struct tm gtm; |
|
726
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1166 struct tm ltm; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1167 time_t lt; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1168 |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1169 ltm = *tp; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1170 lt = mktime (<m); |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1171 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1172 if (lt == (time_t) -1) |
| 687 | 1173 { |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1174 /* mktime returns -1 for errors, but -1 is also a |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1175 valid time_t value. Check whether an error really |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1176 occurred. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1177 struct tm tm; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1178 localtime_r (<, &tm); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1179 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1180 if ((ltm.tm_sec ^ tm.tm_sec) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1181 | (ltm.tm_min ^ tm.tm_min) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1182 | (ltm.tm_hour ^ tm.tm_hour) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1183 | (ltm.tm_mday ^ tm.tm_mday) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1184 | (ltm.tm_mon ^ tm.tm_mon) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1185 | (ltm.tm_year ^ tm.tm_year)) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1186 break; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1187 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1188 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1189 if (! gmtime_r (<, >m)) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1190 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1191 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1192 diff = tm_diff (<m, >m); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1193 #endif |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1194 |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1195 if (diff < 0) |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1196 { |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1197 add (1, *p = '-'); |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1198 diff = -diff; |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1199 } |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1200 else |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1201 add (1, *p = '+'); |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1202 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1203 diff /= 60; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1204 DO_NUMBER (4, (diff / 60) * 100 + diff % 60); |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1205 } |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1206 |
| 794 | 1207 case '\0': /* GNU extension: % at end of format. */ |
| 1208 --f; | |
| 1209 /* Fall through. */ | |
| 604 | 1210 default: |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1211 /* Unknown format; output the format, including the '%', |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1212 since this is most likely the right thing to do if a |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1213 multibyte string has been misparsed. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1214 bad_format: |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1215 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1216 int flen; |
| 794 | 1217 for (flen = 1; f[1 - flen] != '%'; flen++) |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1218 continue; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1219 cpy (flen, &f[1 - flen]); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1220 } |
| 604 | 1221 break; |
| 9 | 1222 } |
| 1223 } | |
| 604 | 1224 |
| 1225 if (p) | |
| 1226 *p = '\0'; | |
| 1227 return i; | |
| 9 | 1228 } |