freebsd-dev/contrib/unbound/compat/ctime_r.c
Cy Schubert 5469a99530 unbound: Vendor import 1.13.2
Merge commit '625f1c1312fb7defbd148c8ba121a0cf058707ef'

MFC after:	1 month
2021-08-17 02:32:56 -07:00

43 lines
909 B
C

/* taken from ldns 1.6.1 */
#include "config.h"
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#include "util/locks.h"
/** the lock for ctime buffer */
static lock_basic_type ctime_lock;
/** has it been inited */
static int ctime_r_init = 0;
/** cleanup ctime_r on exit */
static void
ctime_r_cleanup(void)
{
if(ctime_r_init) {
ctime_r_init = 0;
lock_basic_destroy(&ctime_lock);
}
}
char *ctime_r(const time_t *timep, char *buf)
{
char* result;
if(!ctime_r_init) {
/* still small race where this init can be done twice,
* which is mostly harmless */
ctime_r_init = 1;
lock_basic_init(&ctime_lock);
atexit(&ctime_r_cleanup);
}
lock_basic_lock(&ctime_lock);
result = ctime(timep);
if(buf && result) {
if(strlen(result) > 10 && result[7]==' ' && result[8]=='0')
result[8]=' '; /* fix error in windows ctime */
strcpy(buf, result);
}
lock_basic_unlock(&ctime_lock);
return buf;
}