rainlance/amiga-tz
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standardization

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SCCS-file: localtime.c
SCCS-SID: 3.8
This commit is contained in:
Arthur David Olson
1988-02-18 09:01:44 -05:00
committed by Paul Eggert
parent 94ba00dd81
commit 25717439c8
1 changed files with 55 additions and 48 deletions
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103
localtime.c
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@ -12,7 +12,42 @@ static char elsieid[] = "%W%";
#include "time.h" #include "time.h"
#include "string.h" #include "string.h"
#ifdef MODERN #if defined __TURBOC__
#include "io.h" /* to pick up prototypes for open and such */
#include "fcntl.h" /* to pick up O_BINARY and O_RDONLY bits */
#endif /* defined __TURBOC__ */
#ifdef unix
#include "fcntl.h"
#endif /* defined unix */
#ifdef O_BINARY
#ifdef O_RDONLY
#define OPEN_MODE O_BINARY | O_RDONLY
#endif /* defined O_RDONLY */
#endif /* defined O_BINARY */
#ifndef OPEN_MODE
#define OPEN_MODE 0
#endif /* !defined OPEN_MODE */
#ifdef O_RDONLY
#define ACCESS_MODE O_RDONLY
#else /* !defined O_RDONLY */
#define ACCESS_MODE 4
#endif /* !defined O_RDONLY */
#ifdef const
#include "sys/types.h" /* to get time_t */
extern char * getenv();
#ifndef MAXPATHLEN
#include "sys/param.h"
#endif /* !defined MAXPATHLEN */
#else /* !defined const */
#include "stdlib.h" #include "stdlib.h"
#include "time.h" #include "time.h"
@ -21,23 +56,7 @@ static char elsieid[] = "%W%";
#define MAXPATHLEN FILENAME_MAX #define MAXPATHLEN FILENAME_MAX
#endif /* defined FILENAME_MAX */ #endif /* defined FILENAME_MAX */
#else /* !defined MODERN */ #endif /* !defined const */
/*
** sys/types.h is included to get time_t.
*/
#include "sys/types.h"
extern char * getenv();
#ifndef MAXPATHLEN
#include "sys/param.h"
#endif /* !defined MAXPATHLEN */
#define const
#endif /* !defined MODERN */
#ifndef MAXPATHLEN #ifndef MAXPATHLEN
#define MAXPATHLEN 1024 #define MAXPATHLEN 1024
@ -48,12 +67,17 @@ extern char * getenv();
#define FALSE 0 #define FALSE 0
#endif /* !defined TRUE */ #endif /* !defined TRUE */
static long detzcode P((const char * codep));
#ifdef STD_INSPIRED #ifdef STD_INSPIRED
struct tm * offtime(); struct tm * offtime P((const time_t * clockp, long offset));
#else /* !defined STD_INSPIRED */ #else /* !defined STD_INSPIRED */
static struct tm * offtime(); static struct tm * offtime P((const time_t * clockp, long offset));
#endif /* !defined STD_INSPIRED */ #endif /* !defined STD_INSPIRED */
static struct tm * timesub(); static struct tm * timesub P((const time_t * clockp, long offset,
struct state * sp));
static int tzload P((const char * name, struct state * sp));
static void tzsetgmt P((struct state * sp));
void tzsetwall P((void));
struct ttinfo { /* time type information */ struct ttinfo { /* time type information */
long tt_gmtoff; /* GMT offset in seconds */ long tt_gmtoff; /* GMT offset in seconds */
@ -100,7 +124,7 @@ char * tz_abbr; /* compatibility w/older versions */
static long static long
detzcode(codep) detzcode(codep)
char * codep; const char * codep;
{ {
register long result; register long result;
register int i; register int i;
@ -111,27 +135,9 @@ char * codep;
return result; return result;
} }
#ifdef __TURBOC__ static int
#include "fcntl.h"
#endif /* defined __TURBOC__ */
#ifdef unix
#include "fcntl.h"
#endif /* defined unix */
#ifdef O_BINARY
#ifdef O_RDONLY
#define MODE O_BINARY | O_RDONLY
#endif /* defined O_RDONLY */
#endif /* defined O_BINARY */
#ifndef MODE
#define MODE 0
#endif /* !defined MODE */
static
tzload(name, sp) tzload(name, sp)
register char * name; register const char * name;
register struct state * sp; register struct state * sp;
{ {
register int i; register int i;
@ -161,9 +167,9 @@ register struct state * sp;
doaccess = TRUE; doaccess = TRUE;
name = fullname; name = fullname;
} }
if (doaccess && access(name, 4) != 0) if (doaccess && access(name, ACCESS_MODE) != 0)
return -1; return -1;
if ((fid = open(name, MODE)) == -1) if ((fid = open(name, OPEN_MODE)) == -1)
return -1; return -1;
} }
{ {
@ -249,12 +255,12 @@ register struct state * sp;
tzname[1] = &sp->chars[ttisp->tt_abbrind]; tzname[1] = &sp->chars[ttisp->tt_abbrind];
#ifdef USG_COMPAT #ifdef USG_COMPAT
daylight = 1; daylight = 1;
#endif /* defined USG_COMPAT */ #endif /* defined USG_COMPAT */
} else { } else {
tzname[0] = &sp->chars[ttisp->tt_abbrind]; tzname[0] = &sp->chars[ttisp->tt_abbrind];
#ifdef USG_COMPAT #ifdef USG_COMPAT
timezone = -ttisp->tt_gmtoff; timezone = -ttisp->tt_gmtoff;
#endif /* defined USG_COMPAT */ #endif /* defined USG_COMPAT */
} }
} }
} }
@ -366,7 +372,7 @@ struct tm *
static struct tm * static struct tm *
#endif /* !defined STD_INSPIRED */ #endif /* !defined STD_INSPIRED */
offtime(clock, offset) offtime(clock, offset)
time_t * clock; const time_t * clock;
long offset; long offset;
{ {
if (!gmt_is_set) { if (!gmt_is_set) {
@ -388,7 +394,7 @@ static int year_lengths[2] = {
static struct tm * static struct tm *
timesub(clock, offset, sp) timesub(clock, offset, sp)
time_t * clock; const time_t * clock;
long offset; long offset;
register struct state * sp; register struct state * sp;
{ {
@ -486,6 +492,7 @@ time_t * timep;
} }
#endif /* defined BSD_COMPAT */ #endif /* defined BSD_COMPAT */
/* /*
** UNIX is a registered trademark of AT&T. ** UNIX is a registered trademark of AT&T.
*/ */