* localtime.c: Changed whole file to become C++ clean. Rename to
localtime.cc.
* localtime.cc (tzload): Preserve errno.
This commit is contained in:
Corinna Vinschen
parent
a7670c1e82
commit
09ff05f7f9
@ -1,3 +1,9 @@
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Wed 25 Jul 2001 23:46:00 Corinna Vinschen <corinna@vinschen.de>
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* localtime.c: Changed whole file to become C++ clean. Rename to
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localtime.cc.
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* localtime.cc (tzload): Preserve errno.
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Fri 20 Jul 2001 11:15:50 PM EDT Christopher Faylor <cgf@cygnus.com>
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* cygheap.cc (cygheap_fixup_in_child): Attempt Win95 workaround.
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@ -6,6 +6,7 @@
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/* CYGNUS LOCAL */
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#include "winsup.h"
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#include "cygerrno.h"
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#include <windows.h>
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#define lint
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@ -97,7 +98,6 @@ static char privatehid[] = "@(#)private.h 7.48";
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#include "sys/types.h" /* for time_t */
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#include "stdio.h"
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#include "errno.h"
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#include "limits.h" /* for CHAR_BIT */
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#include "time.h"
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#include "stdlib.h"
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@ -195,28 +195,6 @@ extern int unlink P((const char * filename));
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#define remove unlink
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#endif /* !defined remove */
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/*
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** Some ancient errno.h implementations don't declare errno.
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** But some newer errno.h implementations define it as a macro.
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** Fix the former without affecting the latter.
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*/
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#ifndef errno
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extern int errno;
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#endif /* !defined errno */
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/*
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** Private function declarations.
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*/
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char * icalloc P((int nelem, int elsize));
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char * icatalloc P((char * old, const char * new));
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char * icpyalloc P((const char * string));
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char * imalloc P((int n));
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void * irealloc P((void * pointer, int size));
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void icfree P((char * pointer));
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void ifree P((char * pointer));
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char * scheck P((const char *string, const char *format));
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/*
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** Finally, some convenience items.
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*/
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@ -671,8 +649,7 @@ time_t altzone = 0;
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#endif /* defined ALTZONE */
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static long
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detzcode(codep)
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const char * const codep;
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detzcode(const char *codep)
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{
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register long result;
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register int i;
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@ -736,13 +713,12 @@ settzname P((void))
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#include "tz_posixrules.h"
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static int
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tzload(name, sp)
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register const char * name;
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register struct state * const sp;
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tzload(const char *name, struct state *sp)
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{
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register const char * p;
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register int i;
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register int fid;
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save_errno save;
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if (name == NULL && (name = TZDEFAULT) == NULL)
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return -1;
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@ -916,8 +892,7 @@ static const int year_lengths[2] = {
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*/
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static const char *
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getzname(strp)
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register const char * strp;
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getzname(const char *strp)
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{
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register char c;
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@ -935,11 +910,7 @@ register const char * strp;
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*/
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static const char *
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getnum(strp, nump, min, max)
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register const char * strp;
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int * const nump;
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const int min;
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const int max;
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getnum(const char *strp, int *nump, const int min, const int max)
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{
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register char c;
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register int num;
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@ -968,9 +939,7 @@ const int max;
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*/
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static const char *
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getsecs(strp, secsp)
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register const char * strp;
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long * const secsp;
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getsecs(const char *strp, long *secsp)
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{
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int num;
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@ -1010,9 +979,7 @@ long * const secsp;
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*/
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static const char *
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getoffset(strp, offsetp)
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register const char * strp;
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long * const offsetp;
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getoffset(const char *strp, long *offsetp)
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{
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register int neg = 0;
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@ -1037,9 +1004,7 @@ long * const offsetp;
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*/
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static const char *
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getrule(strp, rulep)
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const char * strp;
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register struct rule * const rulep;
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getrule(const char *strp, struct rule *rulep)
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{
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if (*strp == 'J') {
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/*
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@ -1091,11 +1056,8 @@ register struct rule * const rulep;
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*/
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static time_t
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transtime(janfirst, year, rulep, offset)
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const time_t janfirst;
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const int year;
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register const struct rule * const rulep;
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const long offset;
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transtime(const time_t janfirst, const int year, const struct rule *rulep,
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long offset)
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{
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register int leapyear;
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register time_t value;
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@ -1186,10 +1148,7 @@ const long offset;
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*/
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static int
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tzparse(name, sp, lastditch)
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const char * name;
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register struct state * const sp;
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const int lastditch;
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tzparse(const char *name, struct state *sp, const int lastditch)
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{
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const char * stdname;
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const char * dstname;
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@ -1399,8 +1358,7 @@ const int lastditch;
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}
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static void
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gmtload(sp)
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struct state * const sp;
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gmtload(struct state *sp)
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{
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if (tzload(gmt, sp) != 0)
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(void) tzparse(gmt, sp, TRUE);
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@ -1506,7 +1464,7 @@ tzsetwall P((void))
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settzname();
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}
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void
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extern "C" void
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tzset P((void))
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{
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const char * name = getenv("TZ");
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@ -1559,7 +1517,7 @@ tzset P((void))
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/*ARGSUSED*/
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static void
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localsub (const time_t * const timep,
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const long offset __attribute__ ((unused)),
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const long offset,
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struct tm * const tmp)
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{
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register struct state * sp;
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@ -1602,9 +1560,8 @@ localsub (const time_t * const timep,
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#endif /* defined TM_ZONE */
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}
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struct tm *
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localtime(timep)
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const time_t * const timep;
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extern "C" struct tm *
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localtime(const time_t *timep)
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{
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tzset();
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localsub(timep, 0L, &tm);
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@ -1614,10 +1571,8 @@ const time_t * const timep;
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/*
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* Re-entrant version of localtime
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*/
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struct tm *
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localtime_r(timep, tm)
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const time_t * const timep;
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struct tm * tm;
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extern "C" struct tm *
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localtime_r(const time_t *timep, struct tm *tm)
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{
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localsub(timep, 0L, tm);
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return tm;
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@ -1628,10 +1583,7 @@ struct tm * tm;
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*/
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static void
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gmtsub(timep, offset, tmp)
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const time_t * const timep;
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const long offset;
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struct tm * const tmp;
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gmtsub(const time_t *timep, const long offset, struct tm *tmp)
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{
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if (!gmt_is_set) {
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gmt_is_set = TRUE;
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@ -1663,9 +1615,8 @@ struct tm * const tmp;
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#endif /* defined TM_ZONE */
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}
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struct tm *
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gmtime(timep)
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const time_t * const timep;
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extern "C" struct tm *
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gmtime(const time_t *timep)
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{
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gmtsub(timep, 0L, &tm);
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return &tm;
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@ -1674,10 +1625,8 @@ const time_t * const timep;
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/*
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* Re-entrant version of gmtime
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*/
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struct tm *
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gmtime_r(timep, tm)
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const time_t * const timep;
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struct tm * tm;
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extern "C" struct tm *
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gmtime_r(const time_t *timep, struct tm *tm)
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{
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gmtsub(timep, 0L, tm);
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return tm;
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@ -1685,10 +1634,8 @@ struct tm * tm;
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#ifdef STD_INSPIRED
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struct tm *
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offtime(timep, offset)
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const time_t * const timep;
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const long offset;
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extern "C" struct tm *
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offtime(const time_t *timep, const long offset)
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{
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gmtsub(timep, offset, &tm);
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return &tm;
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@ -1697,11 +1644,8 @@ const long offset;
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#endif /* defined STD_INSPIRED */
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static void
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timesub(timep, offset, sp, tmp)
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const time_t * const timep;
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const long offset;
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register const struct state * const sp;
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register struct tm * const tmp;
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timesub(const time_t *timep, const long offset, const struct state *sp,
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struct tm *tmp)
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{
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register const struct lsinfo * lp;
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register long days;
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@ -1797,9 +1741,8 @@ register struct tm * const tmp;
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#endif /* defined TM_GMTOFF */
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}
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char *
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ctime(timep)
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const time_t * const timep;
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extern "C" char *
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ctime(const time_t *timep)
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{
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/*
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** Section 4.12.3.2 of X3.159-1989 requires that
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@ -1810,10 +1753,8 @@ const time_t * const timep;
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return asctime(localtime(timep));
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}
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char *
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ctime_r(timep, buf)
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const time_t * const timep;
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char * buf;
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extern "C" char *
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ctime_r(const time_t *timep, char *buf)
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{
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struct tm tm;
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@ -1839,9 +1780,7 @@ char * buf;
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*/
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static int
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increment_overflow(number, delta)
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int * number;
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int delta;
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increment_overflow(int *number, int delta)
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{
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int number0;
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@ -1851,10 +1790,7 @@ int delta;
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}
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static int
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normalize_overflow(tensptr, unitsptr, base)
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int * const tensptr;
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int * const unitsptr;
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const int base;
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normalize_overflow(int *tensptr, int *unitsptr, const int base)
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{
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register int tensdelta;
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@ -1866,9 +1802,7 @@ const int base;
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}
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static int
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tmcomp(atmp, btmp)
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register const struct tm * const atmp;
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register const struct tm * const btmp;
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tmcomp(register const struct tm *atmp, register const struct tm *btmp)
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{
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register int result;
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@ -1882,12 +1816,8 @@ register const struct tm * const btmp;
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}
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static time_t
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time2sub(tmp, funcp, offset, okayp, do_norm_secs)
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struct tm * const tmp;
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void (* const funcp) P((const time_t*, long, struct tm*));
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const long offset;
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int * const okayp;
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const int do_norm_secs;
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time2sub(struct tm *tmp, void (*funcp) P((const time_t*, long, struct tm*)),
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const long offset, int *okayp, const int do_norm_secs)
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{
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register const struct state * sp;
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register int dir;
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@ -2034,11 +1964,8 @@ label:
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}
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static time_t
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time2(tmp, funcp, offset, okayp)
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struct tm * const tmp;
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void (* const funcp) P((const time_t*, long, struct tm*));
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const long offset;
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int * const okayp;
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time2(struct tm *tmp, void (*funcp) P((const time_t*, long, struct tm*)),
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const long offset, int *okayp)
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{
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time_t t;
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@ -2052,10 +1979,8 @@ int * const okayp;
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}
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static time_t
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time1(tmp, funcp, offset)
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struct tm * const tmp;
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void (* const funcp) P((const time_t *, long, struct tm *));
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const long offset;
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time1(struct tm *tmp, void (*funcp) P((const time_t *, long, struct tm *)),
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const long offset)
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{
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register time_t t;
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register const struct state * sp;
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@ -2113,9 +2038,8 @@ const long offset;
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return WRONG;
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}
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time_t
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mktime(tmp)
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struct tm * const tmp;
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extern "C" time_t
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mktime(struct tm *tmp)
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{
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tzset();
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return time1(tmp, localsub, 0L);
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@ -2123,26 +2047,22 @@ struct tm * const tmp;
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#ifdef STD_INSPIRED
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time_t
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timelocal(tmp)
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struct tm * const tmp;
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extern "C" time_t
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timelocal(struct tm *tmp)
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{
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tmp->tm_isdst = -1; /* in case it wasn't initialized */
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return mktime(tmp);
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}
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time_t
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timegm(tmp)
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struct tm * const tmp;
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extern "C" time_t
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timegm(struct tm *tmp)
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{
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tmp->tm_isdst = 0;
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return time1(tmp, gmtsub, 0L);
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}
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time_t
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timeoff(tmp, offset)
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struct tm * const tmp;
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const long offset;
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extern "C" time_t
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timeoff(struct tm *tmp, const long offset)
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{
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tmp->tm_isdst = 0;
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return time1(tmp, gmtsub, offset);
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@ -2157,9 +2077,8 @@ const long offset;
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** previous versions of the CMUCS runtime library.
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*/
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long
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gtime(tmp)
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struct tm * const tmp;
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extern "C" long
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gtime(struct tm *tmp)
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{
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const time_t t = mktime(tmp);
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@ -2185,8 +2104,7 @@ struct tm * const tmp;
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*/
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static long
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leapcorr(timep)
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time_t * timep;
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leapcorr(time_t *timep)
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{
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register struct state * sp;
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register struct lsinfo * lp;
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@ -2202,17 +2120,15 @@ time_t * timep;
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return 0;
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}
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time_t
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time2posix(t)
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time_t t;
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extern "C" time_t
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time2posix(time_t t)
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{
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tzset();
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return t - leapcorr(&t);
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}
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time_t
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posix2time(t)
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time_t t;
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extern "C" time_t
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posix2time(time_t t)
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{
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time_t x;
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time_t y;
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