Mercurial > hg > octave-jordi > gnulib-hg
annotate lib/strftime.c @ 829:ab038dc4414d
update from GNU libc
| author | Jim Meyering <jim@meyering.net> |
|---|---|
| date | Sat, 21 Dec 1996 13:51:26 +0000 |
| parents | 2e3ead41ade2 |
| children | 68da68da125e |
| rev | line source |
|---|---|
| 604 | 1 /* Copyright (C) 1991, 92, 93, 94, 95, 96 Free Software Foundation, Inc. |
| 9 | 2 |
| 782 | 3 NOTE: The canonical source of this file is maintained with the GNU C |
| 4 Library. Bugs can be reported to bug-glibc@prep.ai.mit.edu. | |
| 9 | 5 |
| 782 | 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 |
| 782 | 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. | |
| 15 | |
| 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 Foundation, | |
| 18 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ | |
| 9 | 19 |
| 125 | 20 #ifdef HAVE_CONFIG_H |
| 604 | 21 # include <config.h> |
| 22 #endif | |
| 23 | |
| 24 #ifdef _LIBC | |
| 25 # define HAVE_LIMITS_H 1 | |
| 26 # define HAVE_MBLEN 1 | |
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27 # define HAVE_MBRLEN 1 |
| 794 | 28 # define HAVE_STRUCT_ERA_ENTRY 1 |
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29 # define HAVE_TM_GMTOFF 1 |
| 604 | 30 # define HAVE_TM_ZONE 1 |
| 813 | 31 # define HAVE_TZNAME 1 |
| 32 # define HAVE_TZSET 1 | |
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33 # define MULTIBYTE_IS_FORMAT_SAFE 1 |
| 604 | 34 # define STDC_HEADERS 1 |
| 35 # include <ansidecl.h> | |
| 36 # include "../locale/localeinfo.h" | |
| 125 | 37 #endif |
| 38 | |
| 813 | 39 #include <ctype.h> |
| 604 | 40 #include <sys/types.h> /* Some systems define `time_t' here. */ |
| 41 | |
| 42 #ifdef TIME_WITH_SYS_TIME | |
| 43 # include <sys/time.h> | |
| 44 # include <time.h> | |
| 9 | 45 #else |
| 604 | 46 # ifdef HAVE_SYS_TIME_H |
| 47 # include <sys/time.h> | |
| 48 # else | |
| 49 # include <time.h> | |
| 50 # endif | |
| 51 #endif | |
| 803 | 52 #if HAVE_TZNAME |
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53 extern char *tzname[]; |
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54 #endif |
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55 |
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56 /* Do multibyte processing if multibytes are supported, unless |
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57 multibyte sequences are safe in formats. Multibyte sequences are |
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58 safe if they cannot contain byte sequences that look like format |
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59 conversion specifications. The GNU C Library uses UTF8 multibyte |
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60 encoding, which is safe for formats, but strftime.c can be used |
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61 with other C libraries that use unsafe encodings. */ |
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62 #define DO_MULTIBYTE (HAVE_MBLEN && ! MULTIBYTE_IS_FORMAT_SAFE) |
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63 |
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64 #if DO_MULTIBYTE |
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65 # if HAVE_MBRLEN |
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66 # include <wchar.h> |
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67 # else |
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68 /* Simulate mbrlen with mblen as best we can. */ |
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69 # define mbstate_t int |
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70 # define mbrlen(s, n, ps) mblen (s, n) |
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71 # define mbsinit(ps) (*(ps) == 0) |
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72 # endif |
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73 static const mbstate_t mbstate_zero; |
| 604 | 74 #endif |
| 75 | |
| 76 #if HAVE_LIMITS_H | |
| 77 # include <limits.h> | |
| 9 | 78 #endif |
| 79 | |
| 604 | 80 #if STDC_HEADERS |
| 81 # include <stddef.h> | |
| 82 # include <stdlib.h> | |
| 83 # include <string.h> | |
| 84 #else | |
| 813 | 85 # define memcpy(d, s, n) bcopy ((s), (d), (n)) |
| 176 | 86 #endif |
| 87 | |
| 604 | 88 #ifndef __P |
| 817 | 89 # if defined (__GNUC__) || (defined (__STDC__) && __STDC__) |
| 90 # define __P(args) args | |
| 91 # else | |
| 92 # define __P(args) () | |
| 93 # endif /* GCC. */ | |
| 604 | 94 #endif /* Not __P. */ |
| 95 | |
| 96 #ifndef PTR | |
| 817 | 97 # ifdef __STDC__ |
| 98 # define PTR void * | |
| 99 # else | |
| 100 # define PTR char * | |
| 101 # endif | |
| 9 | 102 #endif |
| 103 | |
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104 #ifndef CHAR_BIT |
| 817 | 105 # define CHAR_BIT 8 |
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106 #endif |
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107 |
| 816 | 108 #ifndef NULL |
| 817 | 109 # define NULL 0 |
| 816 | 110 #endif |
| 111 | |
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112 #define TYPE_SIGNED(t) ((t) -1 < 0) |
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113 |
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114 /* Bound on length of the string representing an integer value of type t. |
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115 Subtract one for the sign bit if t is signed; |
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116 302 / 1000 is log10 (2) rounded up; |
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117 add one for integer division truncation; |
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118 add one more for a minus sign if t is signed. */ |
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119 #define INT_STRLEN_BOUND(t) \ |
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120 ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 100 + 1 + TYPE_SIGNED (t)) |
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121 |
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122 #define TM_YEAR_BASE 1900 |
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123 |
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124 #ifndef __isleap |
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125 /* Nonzero if YEAR is a leap year (every 4 years, |
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126 except every 100th isn't, and every 400th is). */ |
| 817 | 127 # define __isleap(year) \ |
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128 ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) |
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129 #endif |
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130 |
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131 |
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132 #ifdef _LIBC |
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133 # define gmtime_r __gmtime_r |
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134 # define localtime_r __localtime_r |
| 813 | 135 extern int __tz_compute __P ((time_t timer, const struct tm *tm)); |
| 816 | 136 # define tzname __tzname |
| 137 # define tzset __tzset | |
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138 #else |
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139 # if ! HAVE_LOCALTIME_R |
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140 # if ! HAVE_TM_GMTOFF |
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141 /* Approximate gmtime_r as best we can in its absence. */ |
| 829 | 142 # define gmtime_r my_gmtime_r |
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143 static struct tm *gmtime_r __P ((const time_t *, struct tm *)); |
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144 static struct tm * |
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145 gmtime_r (t, tp) |
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146 const time_t *t; |
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147 struct tm *tp; |
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148 { |
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149 struct tm *l = gmtime (t); |
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150 if (! l) |
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151 return 0; |
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152 *tp = *l; |
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153 return tp; |
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154 } |
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155 # endif /* ! HAVE_TM_GMTOFF */ |
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156 |
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157 /* Approximate localtime_r as best we can in its absence. */ |
| 817 | 158 # define localtime_r my_localtime_r |
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159 static struct tm *localtime_r __P ((const time_t *, struct tm *)); |
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160 static struct tm * |
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161 localtime_r (t, tp) |
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162 const time_t *t; |
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163 struct tm *tp; |
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164 { |
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165 struct tm *l = localtime (t); |
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166 if (! l) |
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167 return 0; |
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168 *tp = *l; |
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169 return tp; |
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170 } |
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171 # endif /* ! HAVE_LOCALTIME_R */ |
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172 #endif /* ! defined (_LIBC) */ |
| 9 | 173 |
| 174 | |
| 813 | 175 #if !defined (memset) && !defined (HAVE_MEMSET) && !defined (_LIBC) |
| 176 /* Some systems lack the `memset' function and we don't want to | |
| 177 introduce additional dependencies. */ | |
| 178 static const char spaces[16] = " "; | |
| 179 | |
| 180 # define memset_space(P, Len) \ | |
| 181 do { \ | |
| 182 int _len = (Len); \ | |
| 183 \ | |
| 184 do \ | |
| 185 { \ | |
| 186 int _this = _len > 16 ? 16 : _len; \ | |
| 187 memcpy ((P), spaces, _this); \ | |
| 188 (P) += _this; \ | |
| 189 _len -= _this; \ | |
| 190 } \ | |
| 191 while (_len > 0); \ | |
| 192 } while (0) | |
| 193 #else | |
| 194 # define memset_space(P, Len) memset ((P), ' ', (Len)) | |
| 195 #endif | |
| 196 | |
| 197 #define add(n, f) \ | |
| 604 | 198 do \ |
| 199 { \ | |
| 813 | 200 int _n = (n); \ |
| 201 int _delta = width - _n; \ | |
| 816 | 202 int _incr = _n + (_delta > 0 ? _delta : 0); \ |
| 203 if (i + _incr >= maxsize) \ | |
| 604 | 204 return 0; \ |
| 816 | 205 if (p) \ |
| 206 { \ | |
| 207 if (_delta > 0) \ | |
| 208 memset_space (p, _delta); \ | |
| 209 f; \ | |
| 210 p += _n; \ | |
| 211 } \ | |
| 212 i += _incr; \ | |
| 604 | 213 } while (0) |
| 813 | 214 |
| 215 #define cpy(n, s) \ | |
| 216 add ((n), \ | |
| 217 if (to_lowcase) \ | |
| 218 memcpy_lowcase (p, (s), _n); \ | |
| 816 | 219 else if (to_uppcase) \ |
| 220 memcpy_uppcase (p, (s), _n); \ | |
| 813 | 221 else \ |
| 222 memcpy ((PTR) p, (PTR) (s), _n)) | |
| 223 | |
| 224 | |
| 225 | |
| 226 #ifdef _LIBC | |
| 227 # define TOUPPER(Ch) toupper (Ch) | |
| 228 # define TOLOWER(Ch) tolower (Ch) | |
| 229 #else | |
| 230 # define TOUPPER(Ch) (islower (Ch) ? toupper (Ch) : (Ch)) | |
| 231 # define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) | |
| 232 #endif | |
| 819 | 233 /* We don't use `isdigit' here since the locale dependent |
| 234 interpretation is not what we want here. We only need to accept | |
| 235 the arabic digits in the ASCII range. One day there is perhaps a | |
| 236 more reliable way to accept other sets of digits. */ | |
| 237 #define ISDIGIT(Ch) ((unsigned int) (Ch) - '0' <= 9) | |
| 813 | 238 |
| 239 static char *memcpy_lowcase __P ((char *dest, const char *src, size_t len)); | |
| 240 | |
| 241 static char * | |
| 242 memcpy_lowcase (dest, src, len) | |
| 243 char *dest; | |
| 244 const char *src; | |
| 245 size_t len; | |
| 246 { | |
| 247 while (len-- > 0) | |
| 248 dest[len] = TOLOWER (src[len]); | |
| 249 return dest; | |
| 250 } | |
| 9 | 251 |
| 816 | 252 static char *memcpy_uppcase __P ((char *dest, const char *src, size_t len)); |
| 253 | |
| 254 static char * | |
| 255 memcpy_uppcase (dest, src, len) | |
| 256 char *dest; | |
| 257 const char *src; | |
| 258 size_t len; | |
| 259 { | |
| 260 while (len-- > 0) | |
| 261 dest[len] = TOUPPER (src[len]); | |
| 262 return dest; | |
| 263 } | |
| 264 | |
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265 #if ! HAVE_TM_GMTOFF |
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266 /* Yield the difference between *A and *B, |
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267 measured in seconds, ignoring leap seconds. */ |
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268 static int tm_diff __P ((const struct tm *, const struct tm *)); |
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269 static int |
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270 tm_diff (a, b) |
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271 const struct tm *a; |
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272 const struct tm *b; |
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273 { |
| 794 | 274 /* Compute intervening leap days correctly even if year is negative. |
| 275 Take care to avoid int overflow in leap day calculations, | |
| 276 but it's OK to assume that A and B are close to each other. */ | |
| 277 int a4 = (a->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (a->tm_year & 3); | |
| 278 int b4 = (b->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (b->tm_year & 3); | |
| 279 int a100 = a4 / 25 - (a4 % 25 < 0); | |
| 280 int b100 = b4 / 25 - (b4 % 25 < 0); | |
| 281 int a400 = a100 >> 2; | |
| 282 int b400 = b100 >> 2; | |
| 283 int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400); | |
| 284 int years = a->tm_year - b->tm_year; | |
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285 int days = (365 * years + intervening_leap_days |
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286 + (a->tm_yday - b->tm_yday)); |
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287 return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour)) |
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288 + (a->tm_min - b->tm_min)) |
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289 + (a->tm_sec - b->tm_sec)); |
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290 } |
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291 #endif /* ! HAVE_TM_GMTOFF */ |
| 9 | 292 |
| 604 | 293 |
| 9 | 294 |
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295 /* The number of days from the first day of the first ISO week of this |
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296 year to the year day YDAY with week day WDAY. ISO weeks start on |
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297 Monday; the first ISO week has the year's first Thursday. YDAY may |
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298 be as small as YDAY_MINIMUM. */ |
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299 #define ISO_WEEK_START_WDAY 1 /* Monday */ |
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300 #define ISO_WEEK1_WDAY 4 /* Thursday */ |
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301 #define YDAY_MINIMUM (-366) |
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302 static int iso_week_days __P ((int, int)); |
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303 #ifdef __GNUC__ |
| 604 | 304 inline |
| 305 #endif | |
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306 static int |
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307 iso_week_days (yday, wday) |
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308 int yday; |
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309 int wday; |
| 604 | 310 { |
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311 /* Add enough to the first operand of % to make it nonnegative. */ |
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312 int big_enough_multiple_of_7 = (-YDAY_MINIMUM / 7 + 2) * 7; |
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313 return (yday |
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314 - (yday - wday + ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7 |
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315 + ISO_WEEK1_WDAY - ISO_WEEK_START_WDAY); |
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316 } |
| 9 | 317 |
| 318 | |
| 604 | 319 #ifndef _NL_CURRENT |
| 320 static char const weekday_name[][10] = | |
| 321 { | |
| 322 "Sunday", "Monday", "Tuesday", "Wednesday", | |
| 323 "Thursday", "Friday", "Saturday" | |
| 324 }; | |
| 325 static char const month_name[][10] = | |
| 326 { | |
| 327 "January", "February", "March", "April", "May", "June", | |
| 328 "July", "August", "September", "October", "November", "December" | |
| 329 }; | |
| 330 #endif | |
| 9 | 331 |
| 604 | 332 /* Write information from TP into S according to the format |
| 333 string FORMAT, writing no more that MAXSIZE characters | |
| 334 (including the terminating '\0') and returning number of | |
| 335 characters written. If S is NULL, nothing will be written | |
| 336 anywhere, so to determine how many characters would be | |
| 337 written, use NULL for S and (size_t) UINT_MAX for MAXSIZE. */ | |
| 338 size_t | |
| 339 strftime (s, maxsize, format, tp) | |
| 340 char *s; | |
| 341 size_t maxsize; | |
| 342 const char *format; | |
| 813 | 343 const struct tm *tp; |
| 604 | 344 { |
| 345 int hour12 = tp->tm_hour; | |
| 346 #ifdef _NL_CURRENT | |
| 347 const char *const a_wkday = _NL_CURRENT (LC_TIME, ABDAY_1 + tp->tm_wday); | |
| 348 const char *const f_wkday = _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday); | |
| 349 const char *const a_month = _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon); | |
| 350 const char *const f_month = _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon); | |
| 351 const char *const ampm = _NL_CURRENT (LC_TIME, | |
| 352 hour12 > 11 ? PM_STR : AM_STR); | |
| 794 | 353 size_t aw_len = strlen (a_wkday); |
| 354 size_t am_len = strlen (a_month); | |
| 604 | 355 size_t ap_len = strlen (ampm); |
| 356 #else | |
| 357 const char *const f_wkday = weekday_name[tp->tm_wday]; | |
| 358 const char *const f_month = month_name[tp->tm_mon]; | |
| 359 const char *const a_wkday = f_wkday; | |
| 360 const char *const a_month = f_month; | |
| 361 const char *const ampm = "AMPM" + 2 * (hour12 > 11); | |
| 362 size_t aw_len = 3; | |
| 363 size_t am_len = 3; | |
| 364 size_t ap_len = 2; | |
| 365 #endif | |
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366 size_t wkday_len = strlen (f_wkday); |
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367 size_t month_len = strlen (f_month); |
| 604 | 368 const char *zone; |
| 369 size_t zonelen; | |
| 813 | 370 size_t i = 0; |
| 371 char *p = s; | |
| 372 const char *f; | |
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373 |
| 813 | 374 zone = NULL; |
| 375 #if !defined _LIBC && HAVE_TM_ZONE | |
| 376 /* XXX We have some problems here. First, the string pointed to by | |
| 377 tm_zone is dynamically allocated while loading the zone data. But | |
| 378 when another zone is loaded since the information in TP were | |
| 379 computed this would be a stale pointer. | |
| 380 The second problem is the POSIX test suite which assumes setting | |
| 381 the environment variable TZ to a new value before calling strftime() | |
| 382 will influence the result (the %Z format) even if the information in | |
| 383 TP is computed with a totally different time zone. --drepper@gnu */ | |
| 604 | 384 zone = (const char *) tp->tm_zone; |
| 385 #endif | |
| 386 #if HAVE_TZNAME | |
| 813 | 387 /* POSIX.1 8.1.1 requires that whenever strftime() is called, the |
| 388 time zone names contained in the external variable `tzname' shall | |
| 389 be set as if the tzset() function had been called. */ | |
| 390 # if HAVE_TZSET | |
| 391 tzset (); | |
| 392 # endif | |
| 393 | |
| 604 | 394 if (!(zone && *zone) && tp->tm_isdst >= 0) |
| 395 zone = tzname[tp->tm_isdst]; | |
| 396 #endif | |
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397 if (! zone) |
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398 zone = ""; /* POSIX.2 requires the empty string here. */ |
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399 |
| 604 | 400 zonelen = strlen (zone); |
| 401 | |
| 402 if (hour12 > 12) | |
| 403 hour12 -= 12; | |
| 404 else | |
| 405 if (hour12 == 0) hour12 = 12; | |
| 406 | |
| 407 for (f = format; *f != '\0'; ++f) | |
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408 { |
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409 int pad; /* Padding for number ('-', '_', or 0). */ |
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410 int modifier; /* Field modifier ('E', 'O', or 0). */ |
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411 int digits; /* Max digits for numeric format. */ |
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412 int number_value; /* Numeric value to be printed. */ |
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413 int negative_number; /* 1 if the number is negative. */ |
| 604 | 414 const char *subfmt; |
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415 char *bufp; |
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416 char buf[1 + (sizeof (int) < sizeof (time_t) |
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417 ? INT_STRLEN_BOUND (time_t) |
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418 : INT_STRLEN_BOUND (int))]; |
| 813 | 419 int width = -1; |
| 420 int to_lowcase = 0; | |
| 816 | 421 int to_uppcase = 0; |
| 9 | 422 |
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423 #if DO_MULTIBYTE |
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424 |
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425 switch (*f) |
| 604 | 426 { |
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427 case '%': |
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428 break; |
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429 |
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430 case '\a': case '\b': case '\t': case '\n': |
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431 case '\v': case '\f': case '\r': |
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432 case ' ': case '!': case '"': case '#': case '&': case'\'': |
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433 case '(': case ')': case '*': case '+': case ',': case '-': |
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434 case '.': case '/': case '0': case '1': case '2': case '3': |
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435 case '4': case '5': case '6': case '7': case '8': case '9': |
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436 case ':': case ';': case '<': case '=': case '>': case '?': |
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437 case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': |
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438 case 'G': case 'H': case 'I': case 'J': case 'K': case 'L': |
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439 case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R': |
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440 case 'S': case 'T': case 'U': case 'V': case 'W': case 'X': |
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441 case 'Y': case 'Z': case '[': case'\\': case ']': case '^': |
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442 case '_': case 'a': case 'b': case 'c': case 'd': case 'e': |
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443 case 'f': case 'g': case 'h': case 'i': case 'j': case 'k': |
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444 case 'l': case 'm': case 'n': case 'o': case 'p': case 'q': |
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445 case 'r': case 's': case 't': case 'u': case 'v': case 'w': |
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446 case 'x': case 'y': case 'z': case '{': case '|': case '}': |
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447 case '~': |
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448 /* The C Standard requires these 98 characters (plus '%') to |
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449 be in the basic execution character set. None of these |
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450 characters can start a multibyte sequence, so they need |
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451 not be analyzed further. */ |
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452 add (1, *p = *f); |
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453 continue; |
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454 |
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455 default: |
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Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
456 /* 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
|
457 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
|
458 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
459 mbstate_t mbstate = mbstate_zero; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
460 size_t len = 0; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
461 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
462 do |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
463 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
464 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
|
465 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
466 if (bytes == 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
467 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
468 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
469 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
|
470 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
471 len++; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
472 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
473 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
474 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
475 len += bytes; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
476 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
477 while (! mbsinit (&mbstate)); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
478 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
479 cpy (len, f); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
480 continue; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
481 } |
| 604 | 482 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
483 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
484 #else /* ! DO_MULTIBYTE */ |
| 9 | 485 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
486 /* 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
|
487 safe for formats, so any non-'%' byte can be copied through. */ |
| 604 | 488 if (*f != '%') |
| 489 { | |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
490 add (1, *p = *f); |
| 604 | 491 continue; |
| 492 } | |
| 9 | 493 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
494 #endif /* ! DO_MULTIBYTE */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
495 |
| 829 | 496 /* Check for flags that can modify a format. */ |
| 497 pad = 0; | |
| 813 | 498 while (1) |
| 9 | 499 { |
| 816 | 500 switch (*++f) |
| 813 | 501 { |
| 829 | 502 /* This influences the number formats. */ |
| 813 | 503 case '_': |
| 504 case '-': | |
| 505 case '0': | |
| 816 | 506 pad = *f; |
| 507 continue; | |
| 508 | |
| 829 | 509 /* This changes textual output. */ |
| 816 | 510 case '^': |
| 511 to_uppcase = 1; | |
| 512 continue; | |
| 813 | 513 |
| 514 default: | |
| 515 break; | |
| 516 } | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
517 break; |
| 813 | 518 } |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
519 |
| 813 | 520 /* As a GNU extension we allow to specify the field width. */ |
| 819 | 521 if (ISDIGIT (*f)) |
| 813 | 522 { |
| 523 width = 0; | |
| 524 do | |
| 525 { | |
| 526 width *= 10; | |
| 527 width += *f - '0'; | |
| 819 | 528 ++f; |
| 813 | 529 } |
| 819 | 530 while (ISDIGIT (*f)); |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
531 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
532 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
533 /* Check for modifiers. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
534 switch (*f) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
535 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
536 case 'E': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
537 case 'O': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
538 modifier = *f++; |
| 604 | 539 break; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
540 |
| 604 | 541 default: |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
542 modifier = 0; |
| 604 | 543 break; |
| 544 } | |
| 9 | 545 |
| 604 | 546 /* Now do the specified format. */ |
| 547 switch (*f) | |
| 548 { | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
549 #define DO_NUMBER(d, v) \ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
550 digits = d; number_value = v; goto do_number |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
551 #define DO_NUMBER_SPACEPAD(d, v) \ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
552 digits = d; number_value = v; goto do_number_spacepad |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
553 |
| 604 | 554 case '%': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
555 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
556 goto bad_format; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
557 add (1, *p = *f); |
| 604 | 558 break; |
| 559 | |
| 560 case 'a': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
561 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
562 goto bad_format; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
563 cpy (aw_len, a_wkday); |
| 604 | 564 break; |
| 565 | |
| 566 case 'A': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
567 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
568 goto bad_format; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
569 cpy (wkday_len, f_wkday); |
| 604 | 570 break; |
| 571 | |
| 572 case 'b': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
573 case 'h': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
574 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
575 goto bad_format; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
576 cpy (am_len, a_month); |
| 604 | 577 break; |
| 578 | |
| 579 case 'B': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
580 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
581 goto bad_format; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
582 cpy (month_len, f_month); |
| 604 | 583 break; |
| 9 | 584 |
| 604 | 585 case 'c': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
586 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
587 goto bad_format; |
| 604 | 588 #ifdef _NL_CURRENT |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
589 if (! (modifier == 'E' |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
590 && *(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
|
591 subfmt = _NL_CURRENT (LC_TIME, D_T_FMT); |
| 604 | 592 #else |
|
797
a82f1b225592
(strftime): Remove " %Z" part of format for %c. Suggestion from Paul Eggert.
Jim Meyering <jim@meyering.net>
parents:
794
diff
changeset
|
593 subfmt = "%a %b %e %H:%M:%S %Y"; |
| 604 | 594 #endif |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
595 |
| 604 | 596 subformat: |
| 597 { | |
| 816 | 598 char *old_start = p; |
| 813 | 599 size_t len = strftime (NULL, maxsize - i, subfmt, tp); |
| 604 | 600 if (len == 0 && *subfmt) |
| 601 return 0; | |
| 813 | 602 add (len, strftime (p, maxsize - i, subfmt, tp)); |
| 816 | 603 |
| 604 if (to_uppcase) | |
| 605 while (old_start < p) | |
| 606 { | |
| 607 *old_start = TOUPPER (*old_start); | |
| 608 ++old_start; | |
| 609 } | |
| 604 | 610 } |
| 611 break; | |
| 612 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
613 case 'C': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
614 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
615 goto bad_format; |
| 794 | 616 #if HAVE_STRUCT_ERA_ENTRY |
| 617 if (modifier == 'E') | |
| 618 { | |
| 619 struct era_entry *era = _nl_get_era_entry (tp); | |
| 620 if (era) | |
| 621 { | |
| 622 size_t len = strlen (era->name_fmt); | |
| 623 cpy (len, era->name_fmt); | |
| 624 break; | |
| 625 } | |
| 626 } | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
627 #endif |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
628 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
629 int year = tp->tm_year + TM_YEAR_BASE; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
630 DO_NUMBER (1, year / 100 - (year % 100 < 0)); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
631 } |
| 9 | 632 |
| 604 | 633 case 'x': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
634 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
635 goto bad_format; |
| 604 | 636 #ifdef _NL_CURRENT |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
637 if (! (modifier == 'E' |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
638 && *(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
|
639 subfmt = _NL_CURRENT (LC_TIME, D_FMT); |
| 604 | 640 goto subformat; |
| 641 #endif | |
| 642 /* Fall through. */ | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
643 case 'D': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
644 if (modifier != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
645 goto bad_format; |
| 604 | 646 subfmt = "%m/%d/%y"; |
| 647 goto subformat; | |
| 648 | |
| 649 case 'd': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
650 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
651 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
652 |
| 604 | 653 DO_NUMBER (2, tp->tm_mday); |
| 654 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
655 case 'e': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
656 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
657 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
658 |
| 657 | 659 DO_NUMBER_SPACEPAD (2, tp->tm_mday); |
| 176 | 660 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
661 /* All numeric formats set DIGITS and NUMBER_VALUE and then |
| 604 | 662 jump to one of these two labels. */ |
| 663 | |
| 657 | 664 do_number_spacepad: |
| 813 | 665 /* Force `_' flag unless overwritten by `0' flag. */ |
| 666 if (pad != '0') | |
| 667 pad = '_'; | |
| 176 | 668 |
| 604 | 669 do_number: |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
670 /* Format the number according to the MODIFIER flag. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
671 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
672 #ifdef _NL_CURRENT |
| 794 | 673 if (modifier == 'O' && 0 <= number_value) |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
674 { |
| 794 | 675 /* Get the locale specific alternate representation of |
| 676 the number NUMBER_VALUE. If none exist NULL is returned. */ | |
| 677 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
|
678 |
| 794 | 679 if (cp != NULL) |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
680 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
681 size_t digitlen = strlen (cp); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
682 if (digitlen != 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
683 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
684 cpy (digitlen, cp); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
685 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
686 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
687 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
688 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
689 #endif |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
690 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
691 unsigned int u = number_value; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
692 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
693 bufp = buf + sizeof (buf); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
694 negative_number = number_value < 0; |
| 604 | 695 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
696 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
697 u = -u; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
698 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
699 do |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
700 *--bufp = u % 10 + '0'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
701 while ((u /= 10) != 0); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
702 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
703 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
704 do_number_sign_and_padding: |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
705 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
706 *--bufp = '-'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
707 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
708 if (pad != '-') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
709 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
710 int padding = digits - (buf + sizeof (buf) - bufp); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
711 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
712 if (pad == '_') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
713 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
714 while (0 < padding--) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
715 *--bufp = ' '; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
716 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
717 else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
718 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
719 bufp += negative_number; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
720 while (0 < padding--) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
721 *--bufp = '0'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
722 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
723 *--bufp = '-'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
724 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
725 } |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
726 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
727 cpy (buf + sizeof (buf) - bufp, bufp); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
728 break; |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
729 |
| 604 | 730 |
| 731 case 'H': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
732 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
733 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
734 |
| 604 | 735 DO_NUMBER (2, tp->tm_hour); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
736 |
| 604 | 737 case 'I': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
738 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
739 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
740 |
| 604 | 741 DO_NUMBER (2, hour12); |
| 742 | |
| 743 case 'k': /* GNU extension. */ | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
744 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
745 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
746 |
| 657 | 747 DO_NUMBER_SPACEPAD (2, tp->tm_hour); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
748 |
| 604 | 749 case 'l': /* GNU extension. */ |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
750 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
751 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
752 |
| 657 | 753 DO_NUMBER_SPACEPAD (2, hour12); |
| 604 | 754 |
| 755 case 'j': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
756 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
757 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
758 |
| 604 | 759 DO_NUMBER (3, 1 + tp->tm_yday); |
|
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
760 |
| 604 | 761 case 'M': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
762 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
763 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
764 |
| 604 | 765 DO_NUMBER (2, tp->tm_min); |
| 766 | |
| 767 case 'm': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
768 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
769 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
770 |
| 604 | 771 DO_NUMBER (2, tp->tm_mon + 1); |
| 772 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
773 case 'n': /* POSIX.2 extension. */ |
| 604 | 774 add (1, *p = '\n'); |
| 775 break; | |
| 776 | |
| 813 | 777 case 'P': |
| 778 to_lowcase = 1; | |
| 779 /* FALLTHROUGH */ | |
| 780 | |
| 604 | 781 case 'p': |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
782 cpy (ap_len, ampm); |
| 604 | 783 break; |
| 9 | 784 |
| 604 | 785 case 'R': /* GNU extension. */ |
| 786 subfmt = "%H:%M"; | |
| 787 goto subformat; | |
| 788 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
789 case 'r': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
790 #ifdef _NL_CURRENT |
| 794 | 791 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
|
792 #endif |
| 794 | 793 subfmt = "%I:%M:%S %p"; |
| 604 | 794 goto subformat; |
| 795 | |
| 796 case 'S': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
797 if (modifier == 'E') |
| 794 | 798 goto bad_format; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
799 |
| 604 | 800 DO_NUMBER (2, tp->tm_sec); |
| 801 | |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
802 case 's': /* GNU extension. */ |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
803 { |
|
726
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
804 struct tm ltm; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
805 time_t t; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
806 |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
807 ltm = *tp; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
808 t = mktime (<m); |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
809 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
810 /* 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
|
811 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
|
812 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
813 bufp = buf + sizeof (buf); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
814 negative_number = t < 0; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
815 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
816 do |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
817 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
818 int d = t % 10; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
819 t /= 10; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
820 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
821 if (negative_number) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
822 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
823 d = -d; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
824 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
825 /* Adjust if division truncates to minus infinity. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
826 if (0 < -1 % 10 && d < 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
827 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
828 t++; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
829 d += 10; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
830 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
831 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
832 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
833 *--bufp = d + '0'; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
834 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
835 while (t != 0); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
836 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
837 digits = 1; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
838 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
|
839 } |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
840 |
| 604 | 841 case 'X': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
842 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
843 goto bad_format; |
| 604 | 844 #ifdef _NL_CURRENT |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
845 if (! (modifier == 'E' |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
846 && *(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
|
847 subfmt = _NL_CURRENT (LC_TIME, T_FMT); |
| 604 | 848 goto subformat; |
| 849 #endif | |
| 850 /* Fall through. */ | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
851 case 'T': /* POSIX.2 extension. */ |
| 604 | 852 subfmt = "%H:%M:%S"; |
| 853 goto subformat; | |
| 854 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
855 case 't': /* POSIX.2 extension. */ |
| 604 | 856 add (1, *p = '\t'); |
| 857 break; | |
| 858 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
859 case 'u': /* POSIX.2 extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
860 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
|
861 |
| 604 | 862 case 'U': |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
863 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
864 goto bad_format; |
|
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 DO_NUMBER (2, (tp->tm_yday - tp->tm_wday + 7) / 7); |
| 604 | 867 |
| 868 case 'V': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
869 case 'g': /* GNU extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
870 case 'G': /* GNU extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
871 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
872 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
873 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
874 int year = tp->tm_year + TM_YEAR_BASE; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
875 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
|
876 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
877 if (days < 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
878 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
879 /* This ISO week belongs to the previous year. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
880 year--; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
881 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
|
882 tp->tm_wday); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
883 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
884 else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
885 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
886 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
|
887 tp->tm_wday); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
888 if (0 <= d) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
889 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
890 /* This ISO week belongs to the next year. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
891 year++; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
892 days = d; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
893 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
894 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
895 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
896 switch (*f) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
897 { |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
898 case 'g': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
899 DO_NUMBER (2, (year % 100 + 100) % 100); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
900 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
901 case 'G': |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
902 DO_NUMBER (1, year); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
903 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
904 default: |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
905 DO_NUMBER (2, days / 7 + 1); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
906 } |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
907 } |
| 604 | 908 |
| 909 case 'W': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
910 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
911 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
912 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
913 DO_NUMBER (2, (tp->tm_yday - (tp->tm_wday - 1 + 7) % 7 + 7) / 7); |
| 604 | 914 |
| 915 case 'w': | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
916 if (modifier == 'E') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
917 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
918 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
919 DO_NUMBER (1, tp->tm_wday); |
| 604 | 920 |
| 921 case 'Y': | |
| 794 | 922 #if HAVE_STRUCT_ERA_ENTRY |
| 923 if (modifier == 'E') | |
| 924 { | |
| 925 struct era_entry *era = _nl_get_era_entry (tp); | |
| 926 if (era) | |
| 927 { | |
| 928 subfmt = strchr (era->name_fmt, '\0') + 1; | |
| 929 goto subformat; | |
| 930 } | |
| 931 } | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
932 #endif |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
933 if (modifier == 'O') |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
934 goto bad_format; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
935 else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
936 DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE); |
| 604 | 937 |
| 938 case 'y': | |
| 794 | 939 #if HAVE_STRUCT_ERA_ENTRY |
| 940 if (modifier == 'E') | |
| 941 { | |
| 942 struct era_entry *era = _nl_get_era_entry (tp); | |
| 943 if (era) | |
| 944 { | |
| 945 int delta = tp->tm_year - era->start_date[0]; | |
| 946 DO_NUMBER (1, (era->offset | |
| 947 + (era->direction == '-' ? -delta : delta))); | |
| 948 } | |
| 949 } | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
950 #endif |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
951 DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100); |
| 604 | 952 |
| 953 case 'Z': | |
| 804 | 954 cpy (zonelen, zone); |
| 604 | 955 break; |
| 956 | |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
957 case 'z': /* GNU extension. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
958 if (tp->tm_isdst < 0) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
959 break; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
960 |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
961 { |
|
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
962 int diff; |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
963 #if HAVE_TM_GMTOFF |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
964 diff = tp->tm_gmtoff; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
965 #else |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
966 struct tm gtm; |
|
726
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
967 struct tm ltm; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
968 time_t lt; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
969 |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
970 ltm = *tp; |
|
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
971 lt = mktime (<m); |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
972 |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
973 if (lt == (time_t) -1) |
| 687 | 974 { |
|
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
975 /* 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
|
976 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
|
977 occurred. */ |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
978 struct tm tm; |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
979 localtime_r (<, &tm); |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
980 |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
981 if ((ltm.tm_sec ^ tm.tm_sec) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
982 | (ltm.tm_min ^ tm.tm_min) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
983 | (ltm.tm_hour ^ tm.tm_hour) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
984 | (ltm.tm_mday ^ tm.tm_mday) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
985 | (ltm.tm_mon ^ tm.tm_mon) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
986 | (ltm.tm_year ^ tm.tm_year)) |
|
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
987 break; |
|
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
988 } |
|
691
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989 |
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990 if (! gmtime_r (<, >m)) |
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991 break; |
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992 |
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993 diff = tm_diff (<m, >m); |
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994 #endif |
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995 |
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996 if (diff < 0) |
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997 { |
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998 add (1, *p = '-'); |
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999 diff = -diff; |
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1000 } |
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1001 else |
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1002 add (1, *p = '+'); |
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1003 |
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1004 diff /= 60; |
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1005 DO_NUMBER (4, (diff / 60) * 100 + diff % 60); |
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1006 } |
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1007 |
| 794 | 1008 case '\0': /* GNU extension: % at end of format. */ |
| 1009 --f; | |
| 1010 /* Fall through. */ | |
| 604 | 1011 default: |
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1012 /* Unknown format; output the format, including the '%', |
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1013 since this is most likely the right thing to do if a |
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1014 multibyte string has been misparsed. */ |
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1015 bad_format: |
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1016 { |
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1017 int flen; |
| 794 | 1018 for (flen = 1; f[1 - flen] != '%'; flen++) |
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1019 continue; |
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1020 cpy (flen, &f[1 - flen]); |
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1021 } |
| 604 | 1022 break; |
| 9 | 1023 } |
| 1024 } | |
| 604 | 1025 |
| 1026 if (p) | |
| 1027 *p = '\0'; | |
| 1028 return i; | |
| 9 | 1029 } |