94 lines
1.6 KiB
C
94 lines
1.6 KiB
C
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/**************************************************************************
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*
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* FILE utils.c
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* Copyright (c) 2012, 2015, 2017 Daniel Kahlin <daniel@kahlin.net>
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* Written by Daniel Kahlin <daniel@kahlin.net>
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*
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* DESCRIPTION
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* utility functions.
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*
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******/
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#include <stdlib.h>
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#include <string.h>
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#include <sys/time.h>
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#include "global.h"
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#include "utils.h"
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/**************************************************************************
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*
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* SECTION memory functions
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*
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******/
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void *safe_malloc(size_t size, const char *msg)
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{
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void *ptr = malloc(size);
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if (!ptr) {
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panic("couldn't malloc: %s", msg);
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}
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return ptr;
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}
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void *safe_calloc(size_t nmemb, size_t size, const char *msg)
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{
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void *ptr = calloc(nmemb, size);
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if (!ptr) {
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panic("couldn't calloc: %s", msg);
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}
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return ptr;
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}
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void *safe_realloc(void *ptr, size_t size, const char *msg)
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{
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ptr = realloc(ptr, size);
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if (!ptr) {
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panic("couldn't realloc: %s", msg);
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}
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return ptr;
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}
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char *safe_strdup(const char *str, const char *msg)
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{
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char *dup = strdup(str);
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if (!dup) {
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panic("couldn't strdup: %s", msg);
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}
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return dup;
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}
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#if 0
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/* apparently not present in mingw32 */
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char *safe_strndup(const char *str, int n, const char *msg)
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{
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char *dup = strndup(str, n);
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if (!dup) {
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panic("couldn't strndup: %s", msg);
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}
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return dup;
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}
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#endif
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/**************************************************************************
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*
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* SECTION time functions
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*
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******/
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double get_time(void)
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{
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struct timeval tv;
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gettimeofday(&tv, 0);
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return tv.tv_sec + 0.000001 * tv.tv_usec;
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}
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/* eof */
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