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/*-*- Mode: C; c-basic-offset: 8 -*-*/
#include <assert.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "macro.h"
#include "util.h"
usec_t now(clockid_t clock) {
struct timespec ts;
assert_se(clock_gettime(clock, &ts) == 0);
return timespec_load(&ts);
}
usec_t timespec_load(const struct timespec *ts) {
assert(ts);
return
(usec_t) ts->tv_sec * USEC_PER_SEC +
(usec_t) ts->tv_nsec / NSEC_PER_USEC;
}
struct timespec *timespec_store(struct timespec *ts, usec_t u) {
assert(ts);
ts->tv_sec = (time_t) (u / USEC_PER_SEC);
ts->tv_nsec = (long int) ((u % USEC_PER_SEC) * NSEC_PER_USEC);
return ts;
}
usec_t timeval_load(const struct timeval *tv) {
assert(tv);
return
(usec_t) tv->tv_sec * USEC_PER_SEC +
(usec_t) tv->tv_usec;
}
struct timeval *timeval_store(struct timeval *tv, usec_t u) {
assert(tv);
tv->tv_sec = (time_t) (u / USEC_PER_SEC);
tv->tv_usec = (suseconds_t) (u % USEC_PER_SEC);
return tv;
}
bool endswith(const char *s, const char *postfix) {
size_t sl, pl;
assert(s);
assert(postfix);
sl = strlen(s);
pl = strlen(postfix);
if (sl < pl)
return false;
return memcmp(s + sl - pl, postfix, pl) == 0;
}
bool startswith(const char *s, const char *prefix) {
size_t sl, pl;
assert(s);
assert(prefix);
sl = strlen(s);
pl = strlen(prefix);
if (sl < pl)
return false;
return memcmp(s, prefix, pl) == 0;
}
int nointr_close(int fd) {
assert(fd >= 0);
for (;;) {
int r;
if ((r = close(fd)) >= 0)
return r;
if (errno != EINTR)
return r;
}
}
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