Mercurial > hg > octave-shane > gnulib-hg
annotate lib/strftime.c @ 1058:8c9ee29f3de0
update from FSF
author | Jim Meyering <jim@meyering.net> |
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date | Wed, 22 Oct 1997 14:06:16 +0000 |
parents | 589c196817a6 |
children | 0a4438f607ff |
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 | |
25 #ifdef _LIBC | |
26 # define HAVE_LIMITS_H 1 | |
27 # define HAVE_MBLEN 1 | |
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28 # define HAVE_MBRLEN 1 |
794 | 29 # define HAVE_STRUCT_ERA_ENTRY 1 |
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30 # define HAVE_TM_GMTOFF 1 |
604 | 31 # define HAVE_TM_ZONE 1 |
813 | 32 # define HAVE_TZNAME 1 |
33 # define HAVE_TZSET 1 | |
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34 # define MULTIBYTE_IS_FORMAT_SAFE 1 |
604 | 35 # define STDC_HEADERS 1 |
36 # include "../locale/localeinfo.h" | |
125 | 37 #endif |
38 | |
1058 | 39 #if defined emacs && !defined HAVE_BCOPY |
40 # define HAVE_MEMCPY 1 | |
41 #endif | |
42 | |
813 | 43 #include <ctype.h> |
604 | 44 #include <sys/types.h> /* Some systems define `time_t' here. */ |
45 | |
46 #ifdef TIME_WITH_SYS_TIME | |
47 # include <sys/time.h> | |
48 # include <time.h> | |
9 | 49 #else |
604 | 50 # ifdef HAVE_SYS_TIME_H |
51 # include <sys/time.h> | |
52 # else | |
53 # include <time.h> | |
54 # endif | |
55 #endif | |
803 | 56 #if HAVE_TZNAME |
801
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57 extern char *tzname[]; |
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58 #endif |
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59 |
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60 /* Do multibyte processing if multibytes are supported, unless |
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61 multibyte sequences are safe in formats. Multibyte sequences are |
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62 safe if they cannot contain byte sequences that look like format |
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63 conversion specifications. The GNU C Library uses UTF8 multibyte |
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64 encoding, which is safe for formats, but strftime.c can be used |
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65 with other C libraries that use unsafe encodings. */ |
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66 #define DO_MULTIBYTE (HAVE_MBLEN && ! MULTIBYTE_IS_FORMAT_SAFE) |
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67 |
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68 #if DO_MULTIBYTE |
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69 # if HAVE_MBRLEN |
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70 # include <wchar.h> |
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71 # else |
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72 /* Simulate mbrlen with mblen as best we can. */ |
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73 # define mbstate_t int |
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74 # define mbrlen(s, n, ps) mblen (s, n) |
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75 # define mbsinit(ps) (*(ps) == 0) |
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76 # endif |
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77 static const mbstate_t mbstate_zero; |
604 | 78 #endif |
79 | |
80 #if HAVE_LIMITS_H | |
81 # include <limits.h> | |
9 | 82 #endif |
83 | |
604 | 84 #if STDC_HEADERS |
85 # include <stddef.h> | |
86 # include <stdlib.h> | |
87 # include <string.h> | |
88 #else | |
1058 | 89 # ifndef HAVE_MEMCPY |
90 # define memcpy(d, s, n) bcopy ((s), (d), (n)) | |
91 # endif | |
176 | 92 #endif |
93 | |
604 | 94 #ifndef __P |
817 | 95 # if defined (__GNUC__) || (defined (__STDC__) && __STDC__) |
96 # define __P(args) args | |
97 # else | |
98 # define __P(args) () | |
99 # endif /* GCC. */ | |
604 | 100 #endif /* Not __P. */ |
101 | |
102 #ifndef PTR | |
817 | 103 # ifdef __STDC__ |
104 # define PTR void * | |
105 # else | |
106 # define PTR char * | |
107 # endif | |
9 | 108 #endif |
109 | |
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110 #ifndef CHAR_BIT |
817 | 111 # define CHAR_BIT 8 |
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112 #endif |
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113 |
816 | 114 #ifndef NULL |
817 | 115 # define NULL 0 |
816 | 116 #endif |
117 | |
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118 #define TYPE_SIGNED(t) ((t) -1 < 0) |
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119 |
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120 /* Bound on length of the string representing an integer value of type t. |
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121 Subtract one for the sign bit if t is signed; |
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122 302 / 1000 is log10 (2) rounded up; |
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123 add one for integer division truncation; |
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124 add one more for a minus sign if t is signed. */ |
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125 #define INT_STRLEN_BOUND(t) \ |
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126 ((sizeof (t) * CHAR_BIT - TYPE_SIGNED (t)) * 302 / 100 + 1 + TYPE_SIGNED (t)) |
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127 |
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128 #define TM_YEAR_BASE 1900 |
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129 |
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130 #ifndef __isleap |
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131 /* Nonzero if YEAR is a leap year (every 4 years, |
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132 except every 100th isn't, and every 400th is). */ |
817 | 133 # define __isleap(year) \ |
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134 ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) |
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135 #endif |
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136 |
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137 |
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138 #ifdef _LIBC |
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139 # define gmtime_r __gmtime_r |
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140 # define localtime_r __localtime_r |
816 | 141 # define tzname __tzname |
142 # define tzset __tzset | |
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143 #else |
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144 # if ! HAVE_LOCALTIME_R |
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145 # if ! HAVE_TM_GMTOFF |
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146 /* Approximate gmtime_r as best we can in its absence. */ |
1058 | 147 # undef gmtime_r |
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148 # define gmtime_r my_gmtime_r |
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149 static struct tm *gmtime_r __P ((const time_t *, struct tm *)); |
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150 static struct tm * |
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151 gmtime_r (t, tp) |
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152 const time_t *t; |
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153 struct tm *tp; |
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154 { |
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155 struct tm *l = gmtime (t); |
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156 if (! l) |
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157 return 0; |
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158 *tp = *l; |
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159 return tp; |
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160 } |
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161 # endif /* ! HAVE_TM_GMTOFF */ |
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162 |
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163 /* Approximate localtime_r as best we can in its absence. */ |
1058 | 164 # undef localtime_r |
165 # define localtime_r my_ftime_localtime_r | |
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166 static struct tm *localtime_r __P ((const time_t *, struct tm *)); |
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167 static struct tm * |
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168 localtime_r (t, tp) |
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169 const time_t *t; |
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170 struct tm *tp; |
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171 { |
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172 struct tm *l = localtime (t); |
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173 if (! l) |
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174 return 0; |
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175 *tp = *l; |
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176 return tp; |
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177 } |
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178 # endif /* ! HAVE_LOCALTIME_R */ |
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179 #endif /* ! defined (_LIBC) */ |
9 | 180 |
181 | |
1058 | 182 #if !defined memset && !defined HAVE_MEMSET && !defined _LIBC |
813 | 183 /* Some systems lack the `memset' function and we don't want to |
184 introduce additional dependencies. */ | |
1058 | 185 /* The SGI compiler reportedly barfs on the trailing null |
186 if we use a string constant as the initializer. 28 June 1997, rms. */ | |
187 static const char spaces[16] = /* " " */ | |
188 { ' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ',' ' }; | |
189 static const char zeroes[16] = /* "0000000000000000" */ | |
190 { '0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0' }; | |
813 | 191 |
192 # define memset_space(P, Len) \ | |
193 do { \ | |
194 int _len = (Len); \ | |
929 | 195 \ |
813 | 196 do \ |
197 { \ | |
198 int _this = _len > 16 ? 16 : _len; \ | |
199 memcpy ((P), spaces, _this); \ | |
200 (P) += _this; \ | |
201 _len -= _this; \ | |
202 } \ | |
203 while (_len > 0); \ | |
204 } while (0) | |
929 | 205 |
206 # define memset_zero(P, Len) \ | |
207 do { \ | |
208 int _len = (Len); \ | |
209 \ | |
210 do \ | |
211 { \ | |
212 int _this = _len > 16 ? 16 : _len; \ | |
213 memcpy ((P), zeroes, _this); \ | |
214 (P) += _this; \ | |
215 _len -= _this; \ | |
216 } \ | |
217 while (_len > 0); \ | |
218 } while (0) | |
813 | 219 #else |
929 | 220 # define memset_space(P, Len) (memset ((P), ' ', (Len)), (P) += (Len)) |
221 # define memset_zero(P, Len) (memset ((P), '0', (Len)), (P) += (Len)) | |
813 | 222 #endif |
223 | |
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224 #define add(n, f) \ |
604 | 225 do \ |
226 { \ | |
813 | 227 int _n = (n); \ |
228 int _delta = width - _n; \ | |
816 | 229 int _incr = _n + (_delta > 0 ? _delta : 0); \ |
230 if (i + _incr >= maxsize) \ | |
604 | 231 return 0; \ |
816 | 232 if (p) \ |
233 { \ | |
234 if (_delta > 0) \ | |
929 | 235 { \ |
236 if (pad == '0') \ | |
237 memset_zero (p, _delta); \ | |
238 else \ | |
239 memset_space (p, _delta); \ | |
240 } \ | |
816 | 241 f; \ |
242 p += _n; \ | |
243 } \ | |
244 i += _incr; \ | |
604 | 245 } while (0) |
813 | 246 |
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247 #define cpy(n, s) \ |
813 | 248 add ((n), \ |
249 if (to_lowcase) \ | |
250 memcpy_lowcase (p, (s), _n); \ | |
816 | 251 else if (to_uppcase) \ |
252 memcpy_uppcase (p, (s), _n); \ | |
813 | 253 else \ |
254 memcpy ((PTR) p, (PTR) (s), _n)) | |
255 | |
256 | |
257 | |
258 #ifdef _LIBC | |
259 # define TOUPPER(Ch) toupper (Ch) | |
260 # define TOLOWER(Ch) tolower (Ch) | |
261 #else | |
262 # define TOUPPER(Ch) (islower (Ch) ? toupper (Ch) : (Ch)) | |
263 # define TOLOWER(Ch) (isupper (Ch) ? tolower (Ch) : (Ch)) | |
264 #endif | |
819 | 265 /* We don't use `isdigit' here since the locale dependent |
266 interpretation is not what we want here. We only need to accept | |
267 the arabic digits in the ASCII range. One day there is perhaps a | |
268 more reliable way to accept other sets of digits. */ | |
269 #define ISDIGIT(Ch) ((unsigned int) (Ch) - '0' <= 9) | |
813 | 270 |
271 static char *memcpy_lowcase __P ((char *dest, const char *src, size_t len)); | |
272 | |
273 static char * | |
274 memcpy_lowcase (dest, src, len) | |
275 char *dest; | |
276 const char *src; | |
277 size_t len; | |
278 { | |
279 while (len-- > 0) | |
280 dest[len] = TOLOWER (src[len]); | |
281 return dest; | |
282 } | |
9 | 283 |
816 | 284 static char *memcpy_uppcase __P ((char *dest, const char *src, size_t len)); |
285 | |
286 static char * | |
287 memcpy_uppcase (dest, src, len) | |
288 char *dest; | |
289 const char *src; | |
290 size_t len; | |
291 { | |
292 while (len-- > 0) | |
293 dest[len] = TOUPPER (src[len]); | |
294 return dest; | |
295 } | |
296 | |
1058 | 297 |
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298 #if ! HAVE_TM_GMTOFF |
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299 /* Yield the difference between *A and *B, |
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300 measured in seconds, ignoring leap seconds. */ |
1058 | 301 # define tm_diff ftime_tm_diff |
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302 static int tm_diff __P ((const struct tm *, const struct tm *)); |
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303 static int |
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304 tm_diff (a, b) |
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305 const struct tm *a; |
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306 const struct tm *b; |
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307 { |
794 | 308 /* Compute intervening leap days correctly even if year is negative. |
309 Take care to avoid int overflow in leap day calculations, | |
310 but it's OK to assume that A and B are close to each other. */ | |
311 int a4 = (a->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (a->tm_year & 3); | |
312 int b4 = (b->tm_year >> 2) + (TM_YEAR_BASE >> 2) - ! (b->tm_year & 3); | |
313 int a100 = a4 / 25 - (a4 % 25 < 0); | |
314 int b100 = b4 / 25 - (b4 % 25 < 0); | |
315 int a400 = a100 >> 2; | |
316 int b400 = b100 >> 2; | |
317 int intervening_leap_days = (a4 - b4) - (a100 - b100) + (a400 - b400); | |
318 int years = a->tm_year - b->tm_year; | |
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319 int days = (365 * years + intervening_leap_days |
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320 + (a->tm_yday - b->tm_yday)); |
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321 return (60 * (60 * (24 * days + (a->tm_hour - b->tm_hour)) |
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322 + (a->tm_min - b->tm_min)) |
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323 + (a->tm_sec - b->tm_sec)); |
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324 } |
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325 #endif /* ! HAVE_TM_GMTOFF */ |
9 | 326 |
604 | 327 |
9 | 328 |
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329 /* The number of days from the first day of the first ISO week of this |
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330 year to the year day YDAY with week day WDAY. ISO weeks start on |
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331 Monday; the first ISO week has the year's first Thursday. YDAY may |
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332 be as small as YDAY_MINIMUM. */ |
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333 #define ISO_WEEK_START_WDAY 1 /* Monday */ |
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334 #define ISO_WEEK1_WDAY 4 /* Thursday */ |
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335 #define YDAY_MINIMUM (-366) |
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336 static int iso_week_days __P ((int, int)); |
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337 #ifdef __GNUC__ |
1058 | 338 __inline__ |
604 | 339 #endif |
691
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340 static int |
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341 iso_week_days (yday, wday) |
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342 int yday; |
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343 int wday; |
604 | 344 { |
691
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345 /* Add enough to the first operand of % to make it nonnegative. */ |
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346 int big_enough_multiple_of_7 = (-YDAY_MINIMUM / 7 + 2) * 7; |
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347 return (yday |
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348 - (yday - wday + ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7 |
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349 + ISO_WEEK1_WDAY - ISO_WEEK_START_WDAY); |
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350 } |
9 | 351 |
352 | |
604 | 353 #ifndef _NL_CURRENT |
354 static char const weekday_name[][10] = | |
355 { | |
356 "Sunday", "Monday", "Tuesday", "Wednesday", | |
357 "Thursday", "Friday", "Saturday" | |
358 }; | |
359 static char const month_name[][10] = | |
360 { | |
361 "January", "February", "March", "April", "May", "June", | |
362 "July", "August", "September", "October", "November", "December" | |
363 }; | |
364 #endif | |
9 | 365 |
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366 |
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367 #if !defined _LIBC && HAVE_TZNAME && HAVE_TZSET |
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368 /* Solaris 2.5 tzset sometimes modifies the storage returned by localtime. |
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369 Work around this bug by copying *tp before it might be munged. */ |
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370 size_t _strftime_copytm __P ((char *, size_t, const char *, |
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371 const struct tm *)); |
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372 size_t |
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373 strftime (s, maxsize, format, tp) |
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374 char *s; |
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375 size_t maxsize; |
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376 const char *format; |
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377 const struct tm *tp; |
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378 { |
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379 struct tm tmcopy; |
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380 tmcopy = *tp; |
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381 return _strftime_copytm (s, maxsize, format, &tmcopy); |
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382 } |
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383 # ifdef strftime |
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384 # undef strftime |
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385 # endif |
929 | 386 # define strftime(S, Maxsize, Format, Tp) \ |
387 _strftime_copytm (S, Maxsize, Format, Tp) | |
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388 #endif |
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389 |
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390 |
604 | 391 /* Write information from TP into S according to the format |
392 string FORMAT, writing no more that MAXSIZE characters | |
393 (including the terminating '\0') and returning number of | |
394 characters written. If S is NULL, nothing will be written | |
395 anywhere, so to determine how many characters would be | |
396 written, use NULL for S and (size_t) UINT_MAX for MAXSIZE. */ | |
397 size_t | |
398 strftime (s, maxsize, format, tp) | |
399 char *s; | |
400 size_t maxsize; | |
401 const char *format; | |
813 | 402 const struct tm *tp; |
604 | 403 { |
404 int hour12 = tp->tm_hour; | |
405 #ifdef _NL_CURRENT | |
406 const char *const a_wkday = _NL_CURRENT (LC_TIME, ABDAY_1 + tp->tm_wday); | |
407 const char *const f_wkday = _NL_CURRENT (LC_TIME, DAY_1 + tp->tm_wday); | |
408 const char *const a_month = _NL_CURRENT (LC_TIME, ABMON_1 + tp->tm_mon); | |
409 const char *const f_month = _NL_CURRENT (LC_TIME, MON_1 + tp->tm_mon); | |
410 const char *const ampm = _NL_CURRENT (LC_TIME, | |
411 hour12 > 11 ? PM_STR : AM_STR); | |
794 | 412 size_t aw_len = strlen (a_wkday); |
413 size_t am_len = strlen (a_month); | |
604 | 414 size_t ap_len = strlen (ampm); |
415 #else | |
416 const char *const f_wkday = weekday_name[tp->tm_wday]; | |
417 const char *const f_month = month_name[tp->tm_mon]; | |
418 const char *const a_wkday = f_wkday; | |
419 const char *const a_month = f_month; | |
420 const char *const ampm = "AMPM" + 2 * (hour12 > 11); | |
421 size_t aw_len = 3; | |
422 size_t am_len = 3; | |
423 size_t ap_len = 2; | |
424 #endif | |
672
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425 size_t wkday_len = strlen (f_wkday); |
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426 size_t month_len = strlen (f_month); |
604 | 427 const char *zone; |
428 size_t zonelen; | |
813 | 429 size_t i = 0; |
430 char *p = s; | |
431 const char *f; | |
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432 |
813 | 433 zone = NULL; |
1058 | 434 #if HAVE_TM_ZONE |
435 /* The POSIX test suite assumes that setting | |
813 | 436 the environment variable TZ to a new value before calling strftime() |
437 will influence the result (the %Z format) even if the information in | |
1058 | 438 TP is computed with a totally different time zone. |
439 This is bogus: though POSIX allows bad behavior like this, | |
440 POSIX does not require it. Do the right thing instead. */ | |
604 | 441 zone = (const char *) tp->tm_zone; |
442 #endif | |
443 #if HAVE_TZNAME | |
813 | 444 /* POSIX.1 8.1.1 requires that whenever strftime() is called, the |
445 time zone names contained in the external variable `tzname' shall | |
446 be set as if the tzset() function had been called. */ | |
447 # if HAVE_TZSET | |
448 tzset (); | |
449 # endif | |
450 | |
604 | 451 if (!(zone && *zone) && tp->tm_isdst >= 0) |
452 zone = tzname[tp->tm_isdst]; | |
453 #endif | |
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454 if (! zone) |
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455 zone = ""; /* POSIX.2 requires the empty string here. */ |
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456 |
604 | 457 zonelen = strlen (zone); |
458 | |
459 if (hour12 > 12) | |
460 hour12 -= 12; | |
461 else | |
462 if (hour12 == 0) hour12 = 12; | |
463 | |
464 for (f = format; *f != '\0'; ++f) | |
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465 { |
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466 int pad; /* Padding for number ('-', '_', or 0). */ |
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467 int modifier; /* Field modifier ('E', 'O', or 0). */ |
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468 int digits; /* Max digits for numeric format. */ |
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469 int number_value; /* Numeric value to be printed. */ |
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470 int negative_number; /* 1 if the number is negative. */ |
604 | 471 const char *subfmt; |
691
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472 char *bufp; |
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473 char buf[1 + (sizeof (int) < sizeof (time_t) |
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474 ? INT_STRLEN_BOUND (time_t) |
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475 : INT_STRLEN_BOUND (int))]; |
813 | 476 int width = -1; |
477 int to_lowcase = 0; | |
816 | 478 int to_uppcase = 0; |
1058 | 479 int change_case = 0; |
9 | 480 |
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481 #if DO_MULTIBYTE |
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482 |
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483 switch (*f) |
604 | 484 { |
691
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485 case '%': |
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486 break; |
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487 |
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488 case '\a': case '\b': case '\t': case '\n': |
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489 case '\v': case '\f': case '\r': |
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490 case ' ': case '!': case '"': case '#': case '&': case'\'': |
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parents:
687
diff
changeset
|
491 case '(': case ')': case '*': case '+': case ',': case '-': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
492 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
|
493 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
|
494 case ':': case ';': case '<': case '=': case '>': case '?': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
495 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
|
496 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
|
497 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
|
498 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
|
499 case 'Y': case 'Z': case '[': case'\\': case ']': case '^': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
500 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
|
501 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
|
502 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
|
503 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
|
504 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
|
505 case '~': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
506 /* 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
|
507 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
|
508 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
|
509 not be analyzed further. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
510 add (1, *p = *f); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
511 continue; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
512 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
513 default: |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
514 /* 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
|
515 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
|
516 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
517 mbstate_t mbstate = mbstate_zero; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
518 size_t len = 0; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
519 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
520 do |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
521 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
522 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
|
523 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
524 if (bytes == 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
525 break; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
526 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
527 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
|
528 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
529 len++; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
530 break; |
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 len += bytes; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
534 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
535 while (! mbsinit (&mbstate)); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
536 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
537 cpy (len, f); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
538 continue; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
539 } |
604 | 540 } |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
541 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
542 #else /* ! DO_MULTIBYTE */ |
9 | 543 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
544 /* 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
|
545 safe for formats, so any non-'%' byte can be copied through. */ |
604 | 546 if (*f != '%') |
547 { | |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
548 add (1, *p = *f); |
604 | 549 continue; |
550 } | |
9 | 551 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
552 #endif /* ! DO_MULTIBYTE */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
553 |
829 | 554 /* Check for flags that can modify a format. */ |
555 pad = 0; | |
813 | 556 while (1) |
9 | 557 { |
816 | 558 switch (*++f) |
813 | 559 { |
829 | 560 /* This influences the number formats. */ |
813 | 561 case '_': |
562 case '-': | |
563 case '0': | |
816 | 564 pad = *f; |
565 continue; | |
566 | |
829 | 567 /* This changes textual output. */ |
816 | 568 case '^': |
569 to_uppcase = 1; | |
570 continue; | |
1058 | 571 case '#': |
572 change_case = 1; | |
573 continue; | |
813 | 574 |
575 default: | |
576 break; | |
577 } | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
578 break; |
813 | 579 } |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
580 |
813 | 581 /* As a GNU extension we allow to specify the field width. */ |
819 | 582 if (ISDIGIT (*f)) |
813 | 583 { |
584 width = 0; | |
585 do | |
586 { | |
587 width *= 10; | |
588 width += *f - '0'; | |
819 | 589 ++f; |
813 | 590 } |
819 | 591 while (ISDIGIT (*f)); |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
592 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
593 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
594 /* Check for modifiers. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
595 switch (*f) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
596 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
597 case 'E': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
598 case 'O': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
599 modifier = *f++; |
604 | 600 break; |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
601 |
604 | 602 default: |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
603 modifier = 0; |
604 | 604 break; |
605 } | |
9 | 606 |
604 | 607 /* Now do the specified format. */ |
608 switch (*f) | |
609 { | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
610 #define DO_NUMBER(d, v) \ |
1058 | 611 digits = width == -1 ? d : width; \ |
612 number_value = v; goto do_number | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
613 #define DO_NUMBER_SPACEPAD(d, v) \ |
1058 | 614 digits = width == -1 ? d : width; \ |
615 number_value = v; goto do_number_spacepad | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
616 |
604 | 617 case '%': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
618 if (modifier != 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
619 goto bad_format; |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
620 add (1, *p = *f); |
604 | 621 break; |
622 | |
623 case 'a': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
624 if (modifier != 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
625 goto bad_format; |
1058 | 626 if (change_case) |
627 { | |
628 to_uppcase = 1; | |
629 to_lowcase = 0; | |
630 } | |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
631 cpy (aw_len, a_wkday); |
604 | 632 break; |
633 | |
634 case 'A': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
635 if (modifier != 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
636 goto bad_format; |
1058 | 637 if (change_case) |
638 { | |
639 to_uppcase = 1; | |
640 to_lowcase = 0; | |
641 } | |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
642 cpy (wkday_len, f_wkday); |
604 | 643 break; |
644 | |
645 case 'b': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
646 case 'h': /* POSIX.2 extension. */ |
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 cpy (am_len, a_month); |
604 | 650 break; |
651 | |
652 case 'B': | |
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 } | |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
660 cpy (month_len, f_month); |
604 | 661 break; |
9 | 662 |
604 | 663 case 'c': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
664 if (modifier == 'O') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
665 goto bad_format; |
604 | 666 #ifdef _NL_CURRENT |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
667 if (! (modifier == 'E' |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
668 && *(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
|
669 subfmt = _NL_CURRENT (LC_TIME, D_T_FMT); |
604 | 670 #else |
797
a82f1b225592
(strftime): Remove " %Z" part of format for %c. Suggestion from Paul Eggert.
Jim Meyering <jim@meyering.net>
parents:
794
diff
changeset
|
671 subfmt = "%a %b %e %H:%M:%S %Y"; |
604 | 672 #endif |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
673 |
604 | 674 subformat: |
675 { | |
816 | 676 char *old_start = p; |
813 | 677 size_t len = strftime (NULL, maxsize - i, subfmt, tp); |
604 | 678 if (len == 0 && *subfmt) |
679 return 0; | |
813 | 680 add (len, strftime (p, maxsize - i, subfmt, tp)); |
816 | 681 |
682 if (to_uppcase) | |
683 while (old_start < p) | |
684 { | |
685 *old_start = TOUPPER (*old_start); | |
686 ++old_start; | |
687 } | |
604 | 688 } |
689 break; | |
690 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
691 case 'C': /* POSIX.2 extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
692 if (modifier == 'O') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
693 goto bad_format; |
794 | 694 #if HAVE_STRUCT_ERA_ENTRY |
695 if (modifier == 'E') | |
696 { | |
697 struct era_entry *era = _nl_get_era_entry (tp); | |
698 if (era) | |
699 { | |
700 size_t len = strlen (era->name_fmt); | |
701 cpy (len, era->name_fmt); | |
702 break; | |
703 } | |
704 } | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
705 #endif |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
706 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
707 int year = tp->tm_year + TM_YEAR_BASE; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
708 DO_NUMBER (1, year / 100 - (year % 100 < 0)); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
709 } |
9 | 710 |
604 | 711 case 'x': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
712 if (modifier == 'O') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
713 goto bad_format; |
604 | 714 #ifdef _NL_CURRENT |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
715 if (! (modifier == 'E' |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
716 && *(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
|
717 subfmt = _NL_CURRENT (LC_TIME, D_FMT); |
604 | 718 goto subformat; |
719 #endif | |
720 /* Fall through. */ | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
721 case 'D': /* POSIX.2 extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
722 if (modifier != 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
723 goto bad_format; |
604 | 724 subfmt = "%m/%d/%y"; |
725 goto subformat; | |
726 | |
727 case 'd': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
728 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
729 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
730 |
604 | 731 DO_NUMBER (2, tp->tm_mday); |
732 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
733 case 'e': /* POSIX.2 extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
734 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
735 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
736 |
657 | 737 DO_NUMBER_SPACEPAD (2, tp->tm_mday); |
176 | 738 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
739 /* All numeric formats set DIGITS and NUMBER_VALUE and then |
604 | 740 jump to one of these two labels. */ |
741 | |
657 | 742 do_number_spacepad: |
813 | 743 /* Force `_' flag unless overwritten by `0' flag. */ |
744 if (pad != '0') | |
745 pad = '_'; | |
176 | 746 |
604 | 747 do_number: |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
748 /* Format the number according to the MODIFIER flag. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
749 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
750 #ifdef _NL_CURRENT |
794 | 751 if (modifier == 'O' && 0 <= number_value) |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
752 { |
794 | 753 /* Get the locale specific alternate representation of |
754 the number NUMBER_VALUE. If none exist NULL is returned. */ | |
755 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
|
756 |
794 | 757 if (cp != NULL) |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
758 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
759 size_t digitlen = strlen (cp); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
760 if (digitlen != 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
761 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
762 cpy (digitlen, cp); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
763 break; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
764 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
765 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
766 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
767 #endif |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
768 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
769 unsigned int u = number_value; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
770 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
771 bufp = buf + sizeof (buf); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
772 negative_number = number_value < 0; |
604 | 773 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
774 if (negative_number) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
775 u = -u; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
776 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
777 do |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
778 *--bufp = u % 10 + '0'; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
779 while ((u /= 10) != 0); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
780 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
781 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
782 do_number_sign_and_padding: |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
783 if (negative_number) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
784 *--bufp = '-'; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
785 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
786 if (pad != '-') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
787 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
788 int padding = digits - (buf + sizeof (buf) - bufp); |
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
789 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
790 if (pad == '_') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
791 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
792 while (0 < padding--) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
793 *--bufp = ' '; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
794 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
795 else |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
796 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
797 bufp += negative_number; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
798 while (0 < padding--) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
799 *--bufp = '0'; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
800 if (negative_number) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
801 *--bufp = '-'; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
802 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
803 } |
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
804 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
805 cpy (buf + sizeof (buf) - bufp, bufp); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
806 break; |
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
807 |
604 | 808 |
809 case 'H': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
810 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
811 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
812 |
604 | 813 DO_NUMBER (2, tp->tm_hour); |
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
814 |
604 | 815 case 'I': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
816 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
817 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
818 |
604 | 819 DO_NUMBER (2, hour12); |
820 | |
821 case 'k': /* GNU extension. */ | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
822 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
823 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
824 |
657 | 825 DO_NUMBER_SPACEPAD (2, tp->tm_hour); |
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
826 |
604 | 827 case 'l': /* GNU extension. */ |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
828 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
829 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
830 |
657 | 831 DO_NUMBER_SPACEPAD (2, hour12); |
604 | 832 |
833 case 'j': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
834 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
835 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
836 |
604 | 837 DO_NUMBER (3, 1 + tp->tm_yday); |
546
baaeb11e50e5
(add_num_tz): New function.
Jim Meyering <jim@meyering.net>
parents:
307
diff
changeset
|
838 |
604 | 839 case 'M': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
840 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
841 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
842 |
604 | 843 DO_NUMBER (2, tp->tm_min); |
844 | |
845 case 'm': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
846 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
847 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
848 |
604 | 849 DO_NUMBER (2, tp->tm_mon + 1); |
850 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
851 case 'n': /* POSIX.2 extension. */ |
604 | 852 add (1, *p = '\n'); |
853 break; | |
854 | |
813 | 855 case 'P': |
856 to_lowcase = 1; | |
857 /* FALLTHROUGH */ | |
858 | |
604 | 859 case 'p': |
1058 | 860 if (change_case) |
861 { | |
862 to_uppcase = 0; | |
863 to_lowcase = 1; | |
864 } | |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
865 cpy (ap_len, ampm); |
604 | 866 break; |
9 | 867 |
604 | 868 case 'R': /* GNU extension. */ |
869 subfmt = "%H:%M"; | |
870 goto subformat; | |
871 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
872 case 'r': /* POSIX.2 extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
873 #ifdef _NL_CURRENT |
794 | 874 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
|
875 #endif |
794 | 876 subfmt = "%I:%M:%S %p"; |
604 | 877 goto subformat; |
878 | |
879 case 'S': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
880 if (modifier == 'E') |
794 | 881 goto bad_format; |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
882 |
604 | 883 DO_NUMBER (2, tp->tm_sec); |
884 | |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
885 case 's': /* GNU extension. */ |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
886 { |
726
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
887 struct tm ltm; |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
888 time_t t; |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
889 |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
890 ltm = *tp; |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
891 t = mktime (<m); |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
892 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
893 /* 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
|
894 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
|
895 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
896 bufp = buf + sizeof (buf); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
897 negative_number = t < 0; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
898 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
899 do |
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 int d = t % 10; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
902 t /= 10; |
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 if (negative_number) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
905 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
906 d = -d; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
907 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
908 /* Adjust if division truncates to minus infinity. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
909 if (0 < -1 % 10 && d < 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
910 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
911 t++; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
912 d += 10; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
913 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
914 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
915 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
916 *--bufp = d + '0'; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
917 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
918 while (t != 0); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
919 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
920 digits = 1; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
921 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
|
922 } |
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
923 |
604 | 924 case 'X': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
925 if (modifier == 'O') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
926 goto bad_format; |
604 | 927 #ifdef _NL_CURRENT |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
928 if (! (modifier == 'E' |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
929 && *(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
|
930 subfmt = _NL_CURRENT (LC_TIME, T_FMT); |
604 | 931 goto subformat; |
932 #endif | |
933 /* Fall through. */ | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
934 case 'T': /* POSIX.2 extension. */ |
604 | 935 subfmt = "%H:%M:%S"; |
936 goto subformat; | |
937 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
938 case 't': /* POSIX.2 extension. */ |
604 | 939 add (1, *p = '\t'); |
940 break; | |
941 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
942 case 'u': /* POSIX.2 extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
943 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
|
944 |
604 | 945 case 'U': |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
946 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
947 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
948 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
949 DO_NUMBER (2, (tp->tm_yday - tp->tm_wday + 7) / 7); |
604 | 950 |
951 case 'V': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
952 case 'g': /* GNU extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
953 case 'G': /* GNU extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
954 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
955 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
956 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
957 int year = tp->tm_year + TM_YEAR_BASE; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
958 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
|
959 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
960 if (days < 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
961 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
962 /* This ISO week belongs to the previous year. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
963 year--; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
964 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
|
965 tp->tm_wday); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
966 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
967 else |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
968 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
969 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
|
970 tp->tm_wday); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
971 if (0 <= d) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
972 { |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
973 /* This ISO week belongs to the next year. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
974 year++; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
975 days = d; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
976 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
977 } |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
978 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
979 switch (*f) |
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 case 'g': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
982 DO_NUMBER (2, (year % 100 + 100) % 100); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
983 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
984 case 'G': |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
985 DO_NUMBER (1, year); |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
986 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
987 default: |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
988 DO_NUMBER (2, days / 7 + 1); |
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 } |
604 | 991 |
992 case 'W': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
993 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
994 goto bad_format; |
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_NUMBER (2, (tp->tm_yday - (tp->tm_wday - 1 + 7) % 7 + 7) / 7); |
604 | 997 |
998 case 'w': | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
999 if (modifier == 'E') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1000 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1001 |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1002 DO_NUMBER (1, tp->tm_wday); |
604 | 1003 |
1004 case 'Y': | |
794 | 1005 #if HAVE_STRUCT_ERA_ENTRY |
1006 if (modifier == 'E') | |
1007 { | |
1008 struct era_entry *era = _nl_get_era_entry (tp); | |
1009 if (era) | |
1010 { | |
1011 subfmt = strchr (era->name_fmt, '\0') + 1; | |
1012 goto subformat; | |
1013 } | |
1014 } | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1015 #endif |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1016 if (modifier == 'O') |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1017 goto bad_format; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1018 else |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1019 DO_NUMBER (1, tp->tm_year + TM_YEAR_BASE); |
604 | 1020 |
1021 case 'y': | |
794 | 1022 #if HAVE_STRUCT_ERA_ENTRY |
1023 if (modifier == 'E') | |
1024 { | |
1025 struct era_entry *era = _nl_get_era_entry (tp); | |
1026 if (era) | |
1027 { | |
1028 int delta = tp->tm_year - era->start_date[0]; | |
1029 DO_NUMBER (1, (era->offset | |
1030 + (era->direction == '-' ? -delta : delta))); | |
1031 } | |
1032 } | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1033 #endif |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1034 DO_NUMBER (2, (tp->tm_year % 100 + 100) % 100); |
604 | 1035 |
1036 case 'Z': | |
1058 | 1037 if (change_case) |
1038 { | |
1039 to_uppcase = 0; | |
1040 to_lowcase = 1; | |
1041 } | |
804 | 1042 cpy (zonelen, zone); |
604 | 1043 break; |
1044 | |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1045 case 'z': /* GNU extension. */ |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1046 if (tp->tm_isdst < 0) |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1047 break; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1048 |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1049 { |
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1050 int diff; |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1051 #if HAVE_TM_GMTOFF |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1052 diff = tp->tm_gmtoff; |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1053 #else |
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1054 struct tm gtm; |
726
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1055 struct tm ltm; |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1056 time_t lt; |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1057 |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1058 ltm = *tp; |
8867c987f8cf
(strftime): Accommodate the broken C compiler
Jim Meyering <jim@meyering.net>
parents:
691
diff
changeset
|
1059 lt = mktime (<m); |
672
d4a380613840
Update from GNU libc -- this adds back %z and %s
Jim Meyering <jim@meyering.net>
parents:
668
diff
changeset
|
1060 |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1061 if (lt == (time_t) -1) |
687 | 1062 { |
691
6813ffe12e6a
(strftime): New version, from GNU libc.
Jim Meyering <jim@meyering.net>
parents:
687
diff
changeset
|
1063 /* 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
|
1064 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
|
1065 occurred. */ |
6813ffe12e6a
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1066 struct tm tm; |
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1067 localtime_r (<, &tm); |
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1068 |
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1069 if ((ltm.tm_sec ^ tm.tm_sec) |
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1070 | (ltm.tm_min ^ tm.tm_min) |
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1071 | (ltm.tm_hour ^ tm.tm_hour) |
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1072 | (ltm.tm_mday ^ tm.tm_mday) |
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1073 | (ltm.tm_mon ^ tm.tm_mon) |
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1074 | (ltm.tm_year ^ tm.tm_year)) |
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1075 break; |
672
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1076 } |
691
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1077 |
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1078 if (! gmtime_r (<, >m)) |
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1079 break; |
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1080 |
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1081 diff = tm_diff (<m, >m); |
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1082 #endif |
672
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1083 |
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1084 if (diff < 0) |
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1085 { |
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1086 add (1, *p = '-'); |
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1087 diff = -diff; |
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1088 } |
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1089 else |
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1090 add (1, *p = '+'); |
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1091 |
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1092 diff /= 60; |
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1093 DO_NUMBER (4, (diff / 60) * 100 + diff % 60); |
672
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1094 } |
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1095 |
794 | 1096 case '\0': /* GNU extension: % at end of format. */ |
1097 --f; | |
1098 /* Fall through. */ | |
604 | 1099 default: |
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1100 /* Unknown format; output the format, including the '%', |
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1101 since this is most likely the right thing to do if a |
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1102 multibyte string has been misparsed. */ |
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1103 bad_format: |
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1104 { |
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1105 int flen; |
794 | 1106 for (flen = 1; f[1 - flen] != '%'; flen++) |
691
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1107 continue; |
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1108 cpy (flen, &f[1 - flen]); |
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1109 } |
604 | 1110 break; |
9 | 1111 } |
1112 } | |
604 | 1113 |
1114 if (p) | |
1115 *p = '\0'; | |
1116 return i; | |
9 | 1117 } |