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