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Overview
| Comment: | Rework the localtime logic yet again in order to make all branches reachable and to follow GNU standards for HAVE_LOCALTIME_R-type macros. Ticket [bd484a090c8077]. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
176248095b8056443ebcbff819e575bd |
| User & Date: | drh 2011-06-21 15:01:25 |
Context
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2011-06-21
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| 15:24 | Fix main.mk so that the "amalgamation-testfixture" target works again. check-in: 22265323 user: dan tags: trunk | |
| 15:01 | Rework the localtime logic yet again in order to make all branches reachable and to follow GNU standards for HAVE_LOCALTIME_R-type macros. Ticket [bd484a090c8077]. check-in: 17624809 user: drh tags: trunk | |
| 14:35 | Simplifications to the localtime() interface. Fix the case where localtime_r() is available so that it works. Ticket [bd484a090c8077]. check-in: 5b68dae3 user: drh tags: trunk | |
Changes
Changes to src/date.c.
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#include "sqliteInt.h" #include <stdlib.h> #include <assert.h> #include <time.h> #ifndef SQLITE_OMIT_DATETIME_FUNCS /* ** On recent Windows platforms, the localtime_s() function is available ** as part of the "Secure CRT". It is essentially equivalent to ** localtime_r() available under most POSIX platforms, except that the ** order of the parameters is reversed. ** ** See http://msdn.microsoft.com/en-us/library/a442x3ye(VS.80).aspx. ** ** If the user has not indicated to use localtime_r() or localtime_s() ** already, check for an MSVC build environment that provides ** localtime_s(). */ #if !defined(HAVE_LOCALTIME_R) && !defined(HAVE_LOCALTIME_S) && \ defined(_MSC_VER) && defined(_CRT_INSECURE_DEPRECATE) #define HAVE_LOCALTIME_S 1 #endif /* ** A structure for holding a single date and time. */ typedef struct DateTime DateTime; struct DateTime { sqlite3_int64 iJD; /* The julian day number times 86400000 */ ................................................................................ */ static void clearYMD_HMS_TZ(DateTime *p){ p->validYMD = 0; p->validHMS = 0; p->validTZ = 0; } #ifndef SQLITE_OMIT_LOCALTIME /* ** The following routine implements the rough equivalent of localtime_r() ** using whatever operating-system specific localtime facility that ** is available. This routine returns 0 on success and ** non-zero on any kind of error. ** ** If the sqlite3GlobalConfig.bLocaltimeFault variable is true then this ** routine will always fail. */ int osLocaltime(time_t *t, struct tm *pTm){ int rc; #ifndef SQLITE_OMIT_BUILTIN_TEST if( sqlite3GlobalConfig.bLocaltimeFault ) return 1; #endif #ifdef HAVE_LOCALTIME_R rc = localtime_r(t, pTm)==0; #elif defined(HAVE_LOCALTIME_S) && HAVE_LOCALTIME_S rc = localtime_s(pTm, t); #else { struct tm *pX; sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER); sqlite3_mutex_enter(mutex); pX = localtime(t); if( pX ) *pTm = *pX; sqlite3_mutex_leave(mutex); rc = pX==0; } #endif return rc; } #endif /* SQLITE_OMIT_LOCALTIME */ #ifndef SQLITE_OMIT_LOCALTIME /* |
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#include "sqliteInt.h"
#include <stdlib.h>
#include <assert.h>
#include <time.h>
#ifndef SQLITE_OMIT_DATETIME_FUNCS
/*
** A structure for holding a single date and time.
*/
typedef struct DateTime DateTime;
struct DateTime {
sqlite3_int64 iJD; /* The julian day number times 86400000 */
................................................................................
*/
static void clearYMD_HMS_TZ(DateTime *p){
p->validYMD = 0;
p->validHMS = 0;
p->validTZ = 0;
}
/*
** On recent Windows platforms, the localtime_s() function is available
** as part of the "Secure CRT". It is essentially equivalent to
** localtime_r() available under most POSIX platforms, except that the
** order of the parameters is reversed.
**
** See http://msdn.microsoft.com/en-us/library/a442x3ye(VS.80).aspx.
**
** If the user has not indicated to use localtime_r() or localtime_s()
** already, check for an MSVC build environment that provides
** localtime_s().
*/
#if !defined(HAVE_LOCALTIME_R) && !defined(HAVE_LOCALTIME_S) && \
defined(_MSC_VER) && defined(_CRT_INSECURE_DEPRECATE)
#define HAVE_LOCALTIME_S 1
#endif
#ifndef SQLITE_OMIT_LOCALTIME
/*
** The following routine implements the rough equivalent of localtime_r()
** using whatever operating-system specific localtime facility that
** is available. This routine returns 0 on success and
** non-zero on any kind of error.
**
** If the sqlite3GlobalConfig.bLocaltimeFault variable is true then this
** routine will always fail.
*/
int osLocaltime(time_t *t, struct tm *pTm){
int rc;
#if (!defined(HAVE_LOCALTIME_R) || !HAVE_LOCALTIME_R) \
&& (!defined(HAVE_LOCALTIME_S) || !HAVE_LOCALTIME_S)
struct tm *pX;
sqlite3_mutex *mutex = sqlite3MutexAlloc(SQLITE_MUTEX_STATIC_MASTER);
sqlite3_mutex_enter(mutex);
pX = localtime(t);
#ifndef SQLITE_OMIT_BUILTIN_TEST
if( sqlite3GlobalConfig.bLocaltimeFault ) pX = 0;
#endif
if( pX ) *pTm = *pX;
sqlite3_mutex_leave(mutex);
rc = pX==0;
#else
#ifndef SQLITE_OMIT_BUILTIN_TEST
if( sqlite3GlobalConfig.bLocaltimeFault ) return 1;
#endif
#if defined(HAVE_LOCALTIME_R) && HAVE_LOCALTIME_R
rc = localtime_r(t, pTm)==0;
#else
rc = localtime_s(pTm, t);
#endif /* HAVE_LOCALTIME_R */
#endif /* HAVE_LOCALTIME_R || HAVE_LOCALTIME_S */
return rc;
}
#endif /* SQLITE_OMIT_LOCALTIME */
#ifndef SQLITE_OMIT_LOCALTIME
/*
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