Commit | Line | Data |
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19468eff | 1 | /* Copyright (C) 1995,1996,1997 Free Software Foundation, Inc. |
0f2d19dd JB |
2 | * |
3 | * This program is free software; you can redistribute it and/or modify | |
4 | * it under the terms of the GNU General Public License as published by | |
5 | * the Free Software Foundation; either version 2, or (at your option) | |
6 | * any later version. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this software; see the file COPYING. If not, write to | |
82892bed JB |
15 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
16 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
17 | * |
18 | * As a special exception, the Free Software Foundation gives permission | |
19 | * for additional uses of the text contained in its release of GUILE. | |
20 | * | |
21 | * The exception is that, if you link the GUILE library with other files | |
22 | * to produce an executable, this does not by itself cause the | |
23 | * resulting executable to be covered by the GNU General Public License. | |
24 | * Your use of that executable is in no way restricted on account of | |
25 | * linking the GUILE library code into it. | |
26 | * | |
27 | * This exception does not however invalidate any other reasons why | |
28 | * the executable file might be covered by the GNU General Public License. | |
29 | * | |
30 | * This exception applies only to the code released by the | |
31 | * Free Software Foundation under the name GUILE. If you copy | |
32 | * code from other Free Software Foundation releases into a copy of | |
33 | * GUILE, as the General Public License permits, the exception does | |
34 | * not apply to the code that you add in this way. To avoid misleading | |
35 | * anyone as to the status of such modified files, you must delete | |
36 | * this exception notice from them. | |
37 | * | |
38 | * If you write modifications of your own for GUILE, it is your choice | |
39 | * whether to permit this exception to apply to your modifications. | |
82892bed | 40 | * If you do not wish that, delete this exception notice. */ |
0f2d19dd JB |
41 | \f |
42 | ||
43 | #include <stdio.h> | |
44 | #include "_scm.h" | |
876c87ce | 45 | #include "feature.h" |
b9525b92 | 46 | #include "sequences.h" |
20e6290e JB |
47 | |
48 | #include "stime.h" | |
49 | ||
0f2d19dd JB |
50 | #ifdef HAVE_UNISTD_H |
51 | #include <unistd.h> | |
52 | #endif | |
53 | ||
54 | \f | |
55 | # ifdef HAVE_SYS_TYPES_H | |
56 | # include <sys/types.h> | |
57 | # endif | |
58 | ||
59 | # ifdef TIME_WITH_SYS_TIME | |
60 | # include <sys/time.h> | |
61 | # include <time.h> | |
62 | # else | |
63 | # ifdef HAVE_SYS_TIME_H | |
64 | # include <sys/time.h> | |
65 | # else | |
66 | # ifdef HAVE_TIME_H | |
67 | # include <time.h> | |
68 | # endif | |
69 | # endif | |
70 | # endif | |
71 | ||
b1978258 GH |
72 | #ifdef HAVE_SYS_TIMES_H |
73 | # include <sys/times.h> | |
74 | #endif | |
75 | ||
76 | #ifdef HAVE_SYS_TIMEB_H | |
77 | # include <sys/timeb.h> | |
78 | #endif | |
0f2d19dd | 79 | |
b9525b92 GH |
80 | #ifndef tzname /* For SGI. */ |
81 | extern char *tzname[]; /* RS6000 and others reject char **tzname. */ | |
82 | #endif | |
83 | ||
84 | char *strptime (); | |
85 | ||
cda55316 | 86 | /* This should be figured out by autoconf. */ |
0f2d19dd JB |
87 | #ifdef CLK_TCK |
88 | # define CLKTCK CLK_TCK | |
89 | # ifdef CLOCKS_PER_SEC | |
cda55316 | 90 | # if defined (unix) || defined (__unix) |
0f2d19dd JB |
91 | # ifndef ARM_ULIB |
92 | # include <sys/times.h> | |
93 | # endif | |
94 | # define LACK_CLOCK | |
95 | /* This is because clock() might be POSIX rather than ANSI. | |
96 | This occurs on HP-UX machines */ | |
97 | # endif | |
98 | # endif | |
99 | #else | |
100 | # ifdef CLOCKS_PER_SEC | |
101 | # define CLKTCK CLOCKS_PER_SEC | |
102 | # else | |
103 | # define LACK_CLOCK | |
104 | # define CLKTCK 60 | |
105 | # endif | |
106 | #endif | |
107 | ||
0f2d19dd JB |
108 | #ifdef __STDC__ |
109 | # define timet time_t | |
110 | #else | |
111 | # define timet long | |
112 | #endif | |
113 | ||
114 | #ifdef HAVE_TIMES | |
0f2d19dd JB |
115 | static |
116 | long mytime() | |
0f2d19dd JB |
117 | { |
118 | struct tms time_buffer; | |
119 | times(&time_buffer); | |
120 | return time_buffer.tms_utime + time_buffer.tms_stime; | |
121 | } | |
122 | #else | |
123 | # ifdef LACK_CLOCK | |
124 | # define mytime() ((time((timet*)0) - scm_your_base) * CLKTCK) | |
125 | # else | |
126 | # define mytime clock | |
127 | # endif | |
128 | #endif | |
129 | ||
19468eff | 130 | extern int errno; |
0f2d19dd JB |
131 | |
132 | #ifdef HAVE_FTIME | |
133 | ||
23858ad1 MD |
134 | extern int ftime (struct timeb *); |
135 | ||
0f2d19dd JB |
136 | struct timeb scm_your_base = {0}; |
137 | SCM_PROC(s_get_internal_real_time, "get-internal-real-time", 0, 0, 0, scm_get_internal_real_time); | |
0f2d19dd JB |
138 | SCM |
139 | scm_get_internal_real_time() | |
0f2d19dd JB |
140 | { |
141 | struct timeb time_buffer; | |
142 | long tmp; | |
143 | ftime(&time_buffer); | |
144 | time_buffer.time -= scm_your_base.time; | |
145 | tmp = time_buffer.millitm - scm_your_base.millitm; | |
146 | tmp = time_buffer.time*1000L + tmp; | |
147 | tmp *= CLKTCK; | |
148 | tmp /= 1000; | |
19468eff | 149 | return scm_long2num (tmp); |
0f2d19dd JB |
150 | } |
151 | ||
152 | #else | |
153 | ||
154 | timet scm_your_base = 0; | |
155 | SCM_PROC(s_get_internal_real_time, "get-internal-real-time", 0, 0, 0, scm_get_internal_real_time); | |
0f2d19dd JB |
156 | SCM |
157 | scm_get_internal_real_time() | |
0f2d19dd | 158 | { |
19468eff | 159 | return scm_long2num((time((timet*)0) - scm_your_base) * (int)CLKTCK); |
0f2d19dd JB |
160 | } |
161 | #endif | |
162 | ||
0e958795 JB |
163 | #ifndef HAVE_TZSET |
164 | /* GNU-WIN32's cygwin.dll doesn't have this. */ | |
165 | #define tzset() | |
166 | #endif | |
0f2d19dd JB |
167 | |
168 | ||
169 | static long scm_my_base = 0; | |
170 | ||
171 | SCM_PROC(s_get_internal_run_time, "get-internal-run-time", 0, 0, 0, scm_get_internal_run_time); | |
0f2d19dd JB |
172 | SCM |
173 | scm_get_internal_run_time() | |
0f2d19dd | 174 | { |
19468eff | 175 | return scm_long2num(mytime()-scm_my_base); |
0f2d19dd JB |
176 | } |
177 | ||
178 | SCM_PROC(s_current_time, "current-time", 0, 0, 0, scm_current_time); | |
0f2d19dd JB |
179 | SCM |
180 | scm_current_time() | |
0f2d19dd | 181 | { |
19468eff GH |
182 | timet timv; |
183 | ||
184 | SCM_DEFER_INTS; | |
185 | if ((timv = time (0)) == -1) | |
186 | scm_syserror (s_current_time); | |
187 | SCM_ALLOW_INTS; | |
188 | return scm_long2num((long) timv); | |
189 | } | |
190 | ||
1bf9865d | 191 | SCM_PROC (s_gettimeofday, "gettimeofday", 0, 0, 0, scm_gettimeofday); |
19468eff | 192 | SCM |
1bf9865d | 193 | scm_gettimeofday (void) |
19468eff GH |
194 | { |
195 | #ifdef HAVE_GETTIMEOFDAY | |
196 | struct timeval time; | |
197 | ||
198 | SCM_DEFER_INTS; | |
199 | if (gettimeofday (&time, NULL) == -1) | |
1bf9865d | 200 | scm_syserror (s_gettimeofday); |
19468eff GH |
201 | SCM_ALLOW_INTS; |
202 | return scm_cons (scm_long2num ((long) time.tv_sec), | |
203 | scm_long2num ((long) time.tv_usec)); | |
204 | #else | |
205 | # ifdef HAVE_FTIME | |
206 | struct timeb time; | |
207 | ||
208 | ftime(&time); | |
209 | return scm_cons (scm_long2num ((long) time.time), | |
9a81afca | 210 | SCM_MAKINUM (time.millitm * 1000)); |
19468eff GH |
211 | # else |
212 | timet timv; | |
213 | ||
214 | SCM_DEFER_INTS; | |
215 | if ((timv = time (0)) == -1) | |
1bf9865d | 216 | scm_syserror (s_gettimeofday); |
19468eff GH |
217 | SCM_ALLOW_INTS; |
218 | return scm_cons (scm_long2num (timv), SCM_MAKINUM (0)); | |
219 | # endif | |
220 | #endif | |
221 | } | |
222 | ||
223 | static SCM | |
224 | filltime (struct tm *bd_time, int zoff, char *zname) | |
225 | { | |
226 | SCM result = scm_make_vector(SCM_MAKINUM(11), SCM_UNDEFINED, SCM_UNDEFINED); | |
227 | ||
228 | SCM_VELTS (result)[0] = SCM_MAKINUM (bd_time->tm_sec); | |
229 | SCM_VELTS (result)[1] = SCM_MAKINUM (bd_time->tm_min); | |
230 | SCM_VELTS (result)[2] = SCM_MAKINUM (bd_time->tm_hour); | |
231 | SCM_VELTS (result)[3] = SCM_MAKINUM (bd_time->tm_mday); | |
232 | SCM_VELTS (result)[4] = SCM_MAKINUM (bd_time->tm_mon); | |
233 | SCM_VELTS (result)[5] = SCM_MAKINUM (bd_time->tm_year); | |
234 | SCM_VELTS (result)[6] = SCM_MAKINUM (bd_time->tm_wday); | |
235 | SCM_VELTS (result)[7] = SCM_MAKINUM (bd_time->tm_yday); | |
236 | SCM_VELTS (result)[8] = SCM_MAKINUM (bd_time->tm_isdst); | |
237 | SCM_VELTS (result)[9] = SCM_MAKINUM (zoff); | |
b9525b92 | 238 | SCM_VELTS (result)[10] = zname ? scm_makfrom0str (zname) : SCM_BOOL_F; |
19468eff GH |
239 | return result; |
240 | } | |
241 | ||
b9525b92 GH |
242 | static char * |
243 | setzone (SCM zone, int pos, char *subr) | |
244 | { | |
245 | char *oldtz = 0; | |
246 | ||
247 | if (!SCM_UNBNDP (zone)) | |
248 | { | |
249 | char *buf; | |
250 | ||
251 | /* if zone was supplied, set the environment variable TZ temporarily. */ | |
89958ad0 JB |
252 | SCM_ASSERT (SCM_NIMP (zone) && SCM_ROSTRINGP (zone), zone, pos, subr); |
253 | SCM_COERCE_SUBSTR (zone); | |
b9525b92 GH |
254 | buf = malloc (SCM_LENGTH (zone) + 4); |
255 | if (buf == 0) | |
256 | scm_memory_error (subr); | |
257 | oldtz = getenv ("TZ"); | |
258 | if (oldtz != NULL) | |
259 | oldtz = oldtz - 3; | |
89958ad0 | 260 | sprintf (buf, "TZ=%s", SCM_ROCHARS (zone)); |
b9525b92 GH |
261 | if (putenv (buf) < 0) |
262 | scm_syserror (subr); | |
263 | tzset(); | |
264 | } | |
265 | return oldtz; | |
266 | } | |
267 | ||
268 | static void | |
269 | restorezone (SCM zone, char *oldzone) | |
270 | { | |
271 | if (!SCM_UNBNDP (zone)) | |
272 | { | |
273 | int rv; | |
274 | ||
275 | if (oldzone) | |
276 | rv = putenv (oldzone); | |
277 | else | |
278 | rv = putenv ("TZ"); | |
279 | if (rv < 0) | |
280 | scm_syserror ("restorezone"); | |
281 | tzset(); | |
282 | } | |
283 | } | |
284 | ||
285 | ||
19468eff GH |
286 | SCM_PROC (s_localtime, "localtime", 1, 1, 0, scm_localtime); |
287 | SCM | |
288 | scm_localtime (SCM time, SCM zone) | |
289 | { | |
290 | timet itime; | |
4edc089c | 291 | struct tm *ltptr, lt, *utc; |
19468eff GH |
292 | SCM result; |
293 | int zoff; | |
294 | char *zname = 0; | |
b9525b92 | 295 | char *oldtz; |
19468eff GH |
296 | int err; |
297 | ||
298 | itime = scm_num2long (time, (char *) SCM_ARG1, s_localtime); | |
299 | SCM_DEFER_INTS; | |
b9525b92 | 300 | oldtz = setzone (zone, SCM_ARG2, s_localtime); |
4edc089c | 301 | ltptr = localtime (&itime); |
19468eff | 302 | err = errno; |
4edc089c GH |
303 | /* copied in case localtime and gmtime share a buffer. */ |
304 | if (ltptr) | |
305 | lt = *ltptr; | |
19468eff GH |
306 | utc = gmtime (&itime); |
307 | if (utc == NULL) | |
308 | err = errno; | |
4edc089c | 309 | if (ltptr) |
19468eff | 310 | { |
b9525b92 | 311 | #ifdef HAVE_TM_ZONE |
4edc089c | 312 | zname = lt.tm_zone; |
b9525b92 GH |
313 | #else |
314 | # ifdef HAVE_TZNAME | |
19468eff | 315 | /* must be copied before calling tzset again. */ |
4edc089c | 316 | char *ptr = tzname[ (lt.tm_isdst == 1) ? 1 : 0 ]; |
19468eff GH |
317 | |
318 | zname = scm_must_malloc (strlen (ptr) + 1, s_localtime); | |
319 | strcpy (zname, ptr); | |
4edc089c GH |
320 | # else |
321 | scm_misc_error (s_localtime, "Not fully implemented on this platform", | |
da5b3eb1 | 322 | SCM_EOL); |
4edc089c | 323 | # endif |
b9525b92 | 324 | #endif |
19468eff | 325 | } |
b9525b92 GH |
326 | restorezone (zone, oldtz); |
327 | /* delayed until zone has been restored. */ | |
19468eff | 328 | errno = err; |
4edc089c | 329 | if (utc == NULL || ltptr == NULL) |
19468eff GH |
330 | scm_syserror (s_localtime); |
331 | ||
332 | /* calculate timezone offset in seconds west of UTC. */ | |
4edc089c GH |
333 | zoff = (utc->tm_hour - lt.tm_hour) * 3600 + (utc->tm_min - lt.tm_min) * 60 |
334 | + utc->tm_sec - lt.tm_sec; | |
335 | if (utc->tm_year < lt.tm_year) | |
19468eff | 336 | zoff -= 24 * 60 * 60; |
4edc089c | 337 | else if (utc->tm_year > lt.tm_year) |
19468eff | 338 | zoff += 24 * 60 * 60; |
4edc089c | 339 | else if (utc->tm_yday < lt.tm_yday) |
19468eff | 340 | zoff -= 24 * 60 * 60; |
4edc089c | 341 | else if (utc->tm_yday > lt.tm_yday) |
19468eff GH |
342 | zoff += 24 * 60 * 60; |
343 | ||
4edc089c | 344 | result = filltime (<, zoff, zname); |
19468eff GH |
345 | SCM_ALLOW_INTS; |
346 | return result; | |
347 | } | |
19468eff GH |
348 | |
349 | SCM_PROC (s_gmtime, "gmtime", 1, 0, 0, scm_gmtime); | |
350 | SCM | |
351 | scm_gmtime (SCM time) | |
352 | { | |
353 | timet itime; | |
354 | struct tm *bd_time; | |
355 | SCM result; | |
356 | ||
357 | itime = scm_num2long (time, (char *) SCM_ARG1, s_gmtime); | |
358 | SCM_DEFER_INTS; | |
359 | bd_time = gmtime (&itime); | |
360 | if (bd_time == NULL) | |
361 | scm_syserror (s_gmtime); | |
362 | result = filltime (bd_time, 0, "GMT"); | |
363 | SCM_ALLOW_INTS; | |
364 | return result; | |
365 | } | |
366 | ||
b9525b92 GH |
367 | /* copy time components from a Scheme object to a struct tm. */ |
368 | static void | |
369 | bdtime2c (SCM sbd_time, struct tm *lt, int pos, char *subr) | |
19468eff | 370 | { |
b9525b92 GH |
371 | SCM_ASSERT (SCM_NIMP (sbd_time) && SCM_VECTORP (sbd_time) |
372 | && scm_obj_length (sbd_time) == 11 | |
373 | && SCM_INUMP (SCM_VELTS (sbd_time)[0]) | |
19468eff GH |
374 | && SCM_INUMP (SCM_VELTS (sbd_time)[1]) |
375 | && SCM_INUMP (SCM_VELTS (sbd_time)[2]) | |
376 | && SCM_INUMP (SCM_VELTS (sbd_time)[3]) | |
377 | && SCM_INUMP (SCM_VELTS (sbd_time)[4]) | |
378 | && SCM_INUMP (SCM_VELTS (sbd_time)[5]) | |
b9525b92 GH |
379 | && SCM_INUMP (SCM_VELTS (sbd_time)[6]) |
380 | && SCM_INUMP (SCM_VELTS (sbd_time)[7]) | |
19468eff | 381 | && SCM_INUMP (SCM_VELTS (sbd_time)[8]), |
b9525b92 GH |
382 | sbd_time, pos, subr); |
383 | lt->tm_sec = SCM_INUM (SCM_VELTS (sbd_time)[0]); | |
384 | lt->tm_min = SCM_INUM (SCM_VELTS (sbd_time)[1]); | |
385 | lt->tm_hour = SCM_INUM (SCM_VELTS (sbd_time)[2]); | |
386 | lt->tm_mday = SCM_INUM (SCM_VELTS (sbd_time)[3]); | |
387 | lt->tm_mon = SCM_INUM (SCM_VELTS (sbd_time)[4]); | |
388 | lt->tm_year = SCM_INUM (SCM_VELTS (sbd_time)[5]); | |
389 | lt->tm_wday = SCM_INUM (SCM_VELTS (sbd_time)[6]); | |
390 | lt->tm_yday = SCM_INUM (SCM_VELTS (sbd_time)[7]); | |
391 | lt->tm_isdst = SCM_INUM (SCM_VELTS (sbd_time)[8]); | |
392 | } | |
393 | ||
394 | SCM_PROC (s_mktime, "mktime", 1, 1, 0, scm_mktime); | |
395 | SCM | |
396 | scm_mktime (SCM sbd_time, SCM zone) | |
397 | { | |
398 | timet itime; | |
399 | struct tm lt, *utc; | |
400 | SCM result; | |
401 | int zoff; | |
402 | char *zname = 0; | |
403 | char *oldtz = 0; | |
404 | int err; | |
405 | ||
406 | SCM_ASSERT (SCM_NIMP (sbd_time) && SCM_VECTORP (sbd_time), sbd_time, | |
407 | SCM_ARG1, s_mktime); | |
408 | bdtime2c (sbd_time, <, SCM_ARG1, s_mktime); | |
19468eff GH |
409 | |
410 | SCM_DEFER_INTS; | |
b9525b92 | 411 | oldtz = setzone (zone, SCM_ARG2, s_mktime); |
19468eff | 412 | itime = mktime (<); |
b9525b92 | 413 | err = errno; |
19468eff GH |
414 | |
415 | /* timezone offset in seconds west of UTC. */ | |
416 | utc = gmtime (&itime); | |
b9525b92 GH |
417 | if (utc == NULL) |
418 | err = errno; | |
419 | ||
420 | if (itime != -1) | |
421 | { | |
422 | #ifdef HAVE_TM_ZONE | |
73f19016 | 423 | zname = lt.tm_zone; |
b9525b92 GH |
424 | #else |
425 | # ifdef HAVE_TZNAME | |
426 | /* must be copied before calling tzset again. */ | |
427 | char *ptr = tzname[ (lt.tm_isdst == 1) ? 1 : 0 ]; | |
428 | ||
429 | zname = scm_must_malloc (strlen (ptr) + 1, s_mktime); | |
430 | strcpy (zname, ptr); | |
4edc089c GH |
431 | # else |
432 | scm_misc_error (s_localtime, "Not fully implemented on this platform", | |
da5b3eb1 | 433 | SCM_EOL); |
4edc089c | 434 | # endif |
b9525b92 GH |
435 | #endif |
436 | } | |
437 | restorezone (zone, oldtz); | |
438 | /* delayed until zone has been restored. */ | |
439 | errno = err; | |
440 | if (utc == NULL || itime == -1) | |
441 | scm_syserror (s_mktime); | |
442 | ||
19468eff GH |
443 | zoff = (utc->tm_hour - lt.tm_hour) * 3600 + (utc->tm_min - lt.tm_min) * 60 |
444 | + utc->tm_sec - lt.tm_sec; | |
445 | if (utc->tm_year < lt.tm_year) | |
446 | zoff -= 24 * 60 * 60; | |
447 | else if (utc->tm_year > lt.tm_year) | |
448 | zoff += 24 * 60 * 60; | |
449 | else if (utc->tm_yday < lt.tm_yday) | |
450 | zoff -= 24 * 60 * 60; | |
451 | else if (utc->tm_yday > lt.tm_yday) | |
452 | zoff += 24 * 60 * 60; | |
453 | ||
19468eff GH |
454 | result = scm_cons (scm_long2num ((long) itime), |
455 | filltime (<, zoff, zname)); | |
456 | SCM_ALLOW_INTS; | |
457 | return result; | |
0f2d19dd JB |
458 | } |
459 | ||
19468eff GH |
460 | SCM_PROC (s_tzset, "tzset", 0, 0, 0, scm_tzset); |
461 | SCM | |
462 | scm_tzset (void) | |
0f2d19dd | 463 | { |
19468eff GH |
464 | tzset(); |
465 | return SCM_UNSPECIFIED; | |
0f2d19dd JB |
466 | } |
467 | ||
b9525b92 GH |
468 | SCM_PROC (s_strftime, "strftime", 2, 0, 0, scm_strftime); |
469 | ||
470 | SCM | |
471 | scm_strftime (format, stime) | |
472 | SCM format; | |
473 | SCM stime; | |
474 | { | |
475 | struct tm t; | |
476 | ||
477 | char *tbuf; | |
478 | int size = 50; | |
479 | char *fmt; | |
480 | int len; | |
481 | ||
89958ad0 | 482 | SCM_ASSERT (SCM_NIMP (format) && SCM_ROSTRINGP (format), format, SCM_ARG1, |
b9525b92 GH |
483 | s_strftime); |
484 | bdtime2c (stime, &t, SCM_ARG2, s_strftime); | |
485 | ||
89958ad0 | 486 | SCM_COERCE_SUBSTR (format); |
b9525b92 GH |
487 | fmt = SCM_ROCHARS (format); |
488 | len = SCM_ROLENGTH (format); | |
489 | ||
490 | tbuf = scm_must_malloc (size, s_strftime); | |
491 | while ((len = strftime (tbuf, size, fmt, &t)) == size) | |
492 | { | |
493 | scm_must_free (tbuf); | |
494 | size *= 2; | |
495 | tbuf = scm_must_malloc (size, s_strftime); | |
496 | } | |
497 | return scm_makfromstr (tbuf, len, 0); | |
498 | } | |
499 | ||
500 | SCM_PROC (s_strptime, "strptime", 2, 0, 0, scm_strptime); | |
501 | ||
502 | SCM | |
503 | scm_strptime (format, string) | |
504 | SCM format; | |
505 | SCM string; | |
506 | { | |
507 | #ifdef HAVE_STRPTIME | |
508 | struct tm t; | |
509 | char *fmt, *str, *rest; | |
510 | ||
511 | SCM_ASSERT (SCM_NIMP (format) && SCM_ROSTRINGP (format), format, SCM_ARG1, | |
512 | s_strptime); | |
513 | SCM_ASSERT (SCM_NIMP (string) && SCM_ROSTRINGP (string), string, SCM_ARG2, | |
514 | s_strptime); | |
515 | ||
89958ad0 JB |
516 | SCM_COERCE_SUBSTR (format); |
517 | SCM_COERCE_SUBSTR (string); | |
b9525b92 GH |
518 | fmt = SCM_ROCHARS (format); |
519 | str = SCM_ROCHARS (string); | |
520 | ||
521 | /* initialize the struct tm */ | |
522 | #define tm_init(field) t.field = 0 | |
523 | tm_init (tm_sec); | |
524 | tm_init (tm_min); | |
525 | tm_init (tm_hour); | |
526 | tm_init (tm_mday); | |
527 | tm_init (tm_mon); | |
528 | tm_init (tm_year); | |
529 | tm_init (tm_wday); | |
530 | tm_init (tm_yday); | |
531 | #undef tm_init | |
532 | ||
533 | t.tm_isdst = -1; | |
534 | SCM_DEFER_INTS; | |
535 | if ((rest = strptime (str, fmt, &t)) == NULL) | |
536 | scm_syserror (s_strptime); | |
537 | ||
538 | SCM_ALLOW_INTS; | |
539 | return scm_cons (filltime (&t, 0, NULL), SCM_MAKINUM (rest - str)); | |
540 | ||
541 | #else | |
542 | scm_sysmissing (s_strptime); | |
543 | #endif | |
544 | } | |
545 | ||
0f2d19dd JB |
546 | void |
547 | scm_init_stime() | |
0f2d19dd JB |
548 | { |
549 | scm_sysintern("internal-time-units-per-second", | |
19468eff | 550 | scm_long2num((long)CLKTCK)); |
0f2d19dd JB |
551 | |
552 | #ifdef HAVE_FTIME | |
553 | if (!scm_your_base.time) ftime(&scm_your_base); | |
554 | #else | |
555 | if (!scm_your_base) time(&scm_your_base); | |
556 | #endif | |
557 | ||
558 | if (!scm_my_base) scm_my_base = mytime(); | |
559 | ||
876c87ce | 560 | scm_add_feature ("current-time"); |
0f2d19dd JB |
561 | #include "stime.x" |
562 | } | |
563 |