| localtime.c (102885) | localtime.c (107480) |
|---|---|
| 1/* 2** This file is in the public domain, so clarified as of 3** June 5, 1996 by Arthur David Olson (arthur_david_olson@nih.gov). 4*/ 5 6#ifndef lint 7#ifndef NOID 8static char elsieid[] = "@(#)localtime.c 7.57"; 9#endif /* !defined NOID */ 10#endif /* !defined lint */ 11#include <sys/cdefs.h> | 1/* 2** This file is in the public domain, so clarified as of 3** June 5, 1996 by Arthur David Olson (arthur_david_olson@nih.gov). 4*/ 5 6#ifndef lint 7#ifndef NOID 8static char elsieid[] = "@(#)localtime.c 7.57"; 9#endif /* !defined NOID */ 10#endif /* !defined lint */ 11#include <sys/cdefs.h> |
| 12__FBSDID("$FreeBSD: head/lib/libc/stdtime/localtime.c 102885 2002-09-03 04:34:10Z peter $"); | 12__FBSDID("$FreeBSD: head/lib/libc/stdtime/localtime.c 107480 2002-12-02 01:05:08Z peter $"); |
| 13 14/* 15** Leap second handling from Bradley White (bww@k.gp.cs.cmu.edu). 16** POSIX-style TZ environment variable handling from Guy Harris 17** (guy@auspex.com). 18*/ 19 20/*LINTLIBRARY*/ --- 1196 unchanged lines hidden (view full) --- 1217const time_t * const timep; 1218const long offset; 1219const struct state * const sp; 1220struct tm * const tmp; 1221{ 1222 const struct lsinfo * lp; 1223 long days; 1224 long rem; | 13 14/* 15** Leap second handling from Bradley White (bww@k.gp.cs.cmu.edu). 16** POSIX-style TZ environment variable handling from Guy Harris 17** (guy@auspex.com). 18*/ 19 20/*LINTLIBRARY*/ --- 1196 unchanged lines hidden (view full) --- 1217const time_t * const timep; 1218const long offset; 1219const struct state * const sp; 1220struct tm * const tmp; 1221{ 1222 const struct lsinfo * lp; 1223 long days; 1224 long rem; |
| 1225 int y; | 1225 long y; |
| 1226 int yleap; 1227 const int * ip; 1228 long corr; 1229 int hit; 1230 int i; 1231 1232 corr = 0; 1233 hit = 0; --- 52 unchanged lines hidden (view full) --- 1286 */ 1287 tmp->tm_sec = (int) (rem % SECSPERMIN) + hit; 1288 tmp->tm_wday = (int) ((EPOCH_WDAY + days) % DAYSPERWEEK); 1289 if (tmp->tm_wday < 0) 1290 tmp->tm_wday += DAYSPERWEEK; 1291 y = EPOCH_YEAR; 1292#define LEAPS_THRU_END_OF(y) ((y) / 4 - (y) / 100 + (y) / 400) 1293 while (days < 0 || days >= (long) year_lengths[yleap = isleap(y)]) { | 1226 int yleap; 1227 const int * ip; 1228 long corr; 1229 int hit; 1230 int i; 1231 1232 corr = 0; 1233 hit = 0; --- 52 unchanged lines hidden (view full) --- 1286 */ 1287 tmp->tm_sec = (int) (rem % SECSPERMIN) + hit; 1288 tmp->tm_wday = (int) ((EPOCH_WDAY + days) % DAYSPERWEEK); 1289 if (tmp->tm_wday < 0) 1290 tmp->tm_wday += DAYSPERWEEK; 1291 y = EPOCH_YEAR; 1292#define LEAPS_THRU_END_OF(y) ((y) / 4 - (y) / 100 + (y) / 400) 1293 while (days < 0 || days >= (long) year_lengths[yleap = isleap(y)]) { |
| 1294 int newy; | 1294 long newy; |
| 1295 1296 newy = y + days / DAYSPERNYEAR; 1297 if (days < 0) 1298 --newy; 1299 days -= (newy - y) * DAYSPERNYEAR + 1300 LEAPS_THRU_END_OF(newy - 1) - 1301 LEAPS_THRU_END_OF(y - 1); 1302 y = newy; --- 168 unchanged lines hidden (view full) --- 1471 yourtm.tm_sec = 0; 1472 } 1473 /* 1474 ** Divide the search space in half 1475 ** (this works whether time_t is signed or unsigned). 1476 */ 1477 bits = TYPE_BIT(time_t) - 1; 1478 /* | 1295 1296 newy = y + days / DAYSPERNYEAR; 1297 if (days < 0) 1298 --newy; 1299 days -= (newy - y) * DAYSPERNYEAR + 1300 LEAPS_THRU_END_OF(newy - 1) - 1301 LEAPS_THRU_END_OF(y - 1); 1302 y = newy; --- 168 unchanged lines hidden (view full) --- 1471 yourtm.tm_sec = 0; 1472 } 1473 /* 1474 ** Divide the search space in half 1475 ** (this works whether time_t is signed or unsigned). 1476 */ 1477 bits = TYPE_BIT(time_t) - 1; 1478 /* |
| 1479 * Limit to 32 bits or the things go crazy 1480 * when it tries to figure out times near 2^62 etc. 1481 */ 1482 if (bits > 31) 1483 bits = 31; 1484 /* | |
| 1485 ** If time_t is signed, then 0 is just above the median, 1486 ** assuming two's complement arithmetic. 1487 ** If time_t is unsigned, then (1 << bits) is just above the median. 1488 */ 1489 t = TYPE_SIGNED(time_t) ? 0 : (((time_t) 1) << bits); 1490 for ( ; ; ) { 1491 (*funcp)(&t, offset, &mytm); 1492 dir = tmcomp(&mytm, &yourtm); --- 258 unchanged lines hidden --- | 1479 ** If time_t is signed, then 0 is just above the median, 1480 ** assuming two's complement arithmetic. 1481 ** If time_t is unsigned, then (1 << bits) is just above the median. 1482 */ 1483 t = TYPE_SIGNED(time_t) ? 0 : (((time_t) 1) << bits); 1484 for ( ; ; ) { 1485 (*funcp)(&t, offset, &mytm); 1486 dir = tmcomp(&mytm, &yourtm); --- 258 unchanged lines hidden --- |