rms/libfaketime
1
0
Fork 0
mirror of https://github.com/wolfcw/libfaketime.git synced 2026-05-17 00:26:16 +03:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #487 from ijackson/t64

Browse Source 
Fake 64-bit time on 32-bit systems
This commit is contained in:
Wolfgang Hommel
2025-01-28 06:26:19 +01:00
committed by GitHub
parent 63aef51102 97721e5491
commit 52fe3cc442
2 changed files with 65 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
src/libfaketime.c
View File

@@ -164,6 +164,20 @@ struct utimbuf {
#include <sys/random.h>
#endif
/* __timespec64 is needed for clock_gettime64 on 32-bit architectures */
struct __timespec64
{
uint64_t tv_sec; /* Seconds */
uint32_t tv_nsec; /* this is 32-bit, apparently! */
};
/* __timespec64 is needed for clock_gettime64 on 32-bit architectures */
struct __timeval64
{
uint64_t tv_sec; /* Seconds */
uint64_t tv_usec; /* this is 64-bit, apparently! */
};
/*
* Per thread variable, which we turn on inside real_* calls to avoid modifying
* time multiple times of for the whole process to prevent faking time
@@ -201,6 +215,7 @@ static time_t (*real_time) (time_t *);
static int (*real_ftime) (struct timeb *);
static int (*real_gettimeofday) (struct timeval *, void *);
static int (*real_clock_gettime) (clockid_t clk_id, struct timespec *tp);
static int (*real_clock_gettime64) (clockid_t clk_id, struct __timespec64 *tp);
#ifdef TIME_UTC
static int (*real_timespec_get) (struct timespec *ts, int base);
#endif
@@ -2417,6 +2432,50 @@ int clock_gettime(clockid_t clk_id, struct timespec *tp)
return result;
}
/* this is used by 32-bit architectures only */
int __clock_gettime64(clockid_t clk_id, struct __timespec64 *tp64)
{
struct timespec tp;
int result;
result = clock_gettime(clk_id, &tp);
tp64->tv_sec = tp.tv_sec;
tp64->tv_nsec = tp.tv_nsec;
return result;
}
/* this is used by 32-bit architectures only */
int __gettimeofday64(struct __timeval64 *tv64, void *tz)
{
struct timeval tv;
int result;
result = gettimeofday(&tv, tz);
tv64->tv_sec = tv.tv_sec;
tv64->tv_usec = tv.tv_usec;
return result;
}
/* this is used by 32-bit architectures only */
uint64_t __time64(uint64_t *write_out)
{
struct timespec tp;
uint64_t output;
int error;
error = clock_gettime(CLOCK_REALTIME, &tp);
if (error == -1)
{
return (uint64_t)error;
}
output = tp.tv_sec;
if (write_out)
{
*write_out = output;
}
return output;
}
#ifdef TIME_UTC
#ifdef MACOS_DYLD_INTERPOSE
@@ -2760,6 +2819,11 @@ static void ftpl_really_init(void)
{
real_clock_gettime = dlsym(RTLD_NEXT, "clock_gettime");
}
real_clock_gettime64 = dlsym(RTLD_NEXT, "clock_gettime64");
if (NULL == real_clock_gettime64)
{
real_clock_gettime64 = dlsym(RTLD_NEXT, "__clock_gettime64");
}
#ifdef FAKE_TIMERS
#if defined(__sun)
real_timer_gettime_233 = dlsym(RTLD_NEXT, "timer_gettime");

2
test/Makefile
View File

@@ -1,6 +1,6 @@
CC = gcc
CFLAGS += -std=gnu99 -Wall -DFAKE_STAT -Werror -Wextra $(FAKETIME_COMPILE_CFLAGS)
CFLAGS += -std=gnu99 -Wall -DFAKE_STAT -Werror -Wextra $(FAKETIME_COMPILE_CFLAGS) -U_FILE_OFFSET_BITS -U_TIME_BITS
LDFLAGS += -lrt -lpthread
SRC = timetest.c