#include <pulsecore/winsock.h>
#include <pulsecore/macro.h>
+#include <pulsecore/core-util.h>
#include "timeval.h"
#define EPOCHFILETIME (116444736000000000LL)
#endif
- FILETIME ft;
- LARGE_INTEGER li;
- __int64 t;
+ FILETIME ft;
+ LARGE_INTEGER li;
+ int64_t t;
pa_assert(tv);
}
struct timeval* pa_timeval_add(struct timeval *tv, pa_usec_t v) {
- unsigned long secs;
+ time_t secs;
pa_assert(tv);
- secs = (unsigned long) (v/PA_USEC_PER_SEC);
- tv->tv_sec += (time_t) secs;
- v -= ((pa_usec_t) secs) * PA_USEC_PER_SEC;
+ secs = (time_t) (v/PA_USEC_PER_SEC);
+ if (PA_UNLIKELY(tv->tv_sec > PA_INT_TYPE_MAX(time_t) - secs))
+ goto overflow;
+
+ tv->tv_sec += secs;
+ v -= (pa_usec_t) secs * PA_USEC_PER_SEC;
tv->tv_usec += (suseconds_t) v;
/* Normalize */
- while ((unsigned) tv->tv_usec >= PA_USEC_PER_SEC) {
+ while ((pa_usec_t) tv->tv_usec >= PA_USEC_PER_SEC) {
+
+ if (PA_UNLIKELY(tv->tv_sec >= PA_INT_TYPE_MAX(time_t)))
+ goto overflow;
+
tv->tv_sec++;
tv->tv_usec -= (suseconds_t) PA_USEC_PER_SEC;
}
return tv;
+
+overflow:
+ tv->tv_sec = PA_INT_TYPE_MAX(time_t);
+ tv->tv_usec = (suseconds_t) (PA_USEC_PER_SEC-1);
+ return tv;
}
struct timeval* pa_timeval_sub(struct timeval *tv, pa_usec_t v) {
- unsigned long secs;
+ time_t secs;
pa_assert(tv);
- secs = (unsigned long) (v/PA_USEC_PER_SEC);
- tv->tv_sec -= (time_t) secs;
- v -= ((pa_usec_t) secs) * PA_USEC_PER_SEC;
+ secs = (time_t) (v/PA_USEC_PER_SEC);
+
+ if (PA_UNLIKELY(tv->tv_sec < secs))
+ goto underflow;
+
+ tv->tv_sec -= secs;
+ v -= (pa_usec_t) secs * PA_USEC_PER_SEC;
if (tv->tv_usec >= (suseconds_t) v)
tv->tv_usec -= (suseconds_t) v;
else {
+
+ if (PA_UNLIKELY(tv->tv_sec <= 0))
+ goto underflow;
+
tv->tv_sec --;
tv->tv_usec += (suseconds_t) (PA_USEC_PER_SEC - v);
}
return tv;
+
+underflow:
+ tv->tv_sec = 0;
+ tv->tv_usec = 0;
+ return tv;
}
struct timeval* pa_timeval_store(struct timeval *tv, pa_usec_t v) {