wz_mini_hacks/libcallback_wz_mod/gmtime_r.c
Alfonso Gamboa 26af3aa7bc rtsp fixes
2022-05-07 01:23:49 -07:00

26 lines
767 B
C

#include <stdio.h>
#include <dlfcn.h>
#include <time.h>
#include <sys/time.h>
extern int MotorFd;
extern struct timeval MotorLastMovedTime;
static struct tm *(*original_gmtime_r)(const time_t *timep, struct tm *result);
static void __attribute ((constructor)) gmtime_r_hook_init(void) {
original_gmtime_r = dlsym(dlopen ("/lib/libc.so.0", RTLD_LAZY), "gmtime_r");
}
struct tm *gmtime_r(const time_t *timep, struct tm *result) {
original_gmtime_r(timep, result);
// While the camera is moving, the AI process is disabled by returning a day of the week that does not exist when motion is detected.
struct timeval tv;
gettimeofday(&tv, NULL);
timersub(&tv, &MotorLastMovedTime, &tv);
if(MotorFd || !tv.tv_sec) result->tm_wday = 8;
return result;
}