X-Git-Url: https://git.danieliu.xyz/?p=dwm.git;a=blobdiff_plain;f=util.c;h=fe044fc7b7978d1f3c23768e315aae415d90b11a;hp=435069f9903703412fe2edfc3514058d01014959;hb=HEAD;hpb=439e15d09f6fa9271d3b49ef97194f0c80ebe161 diff --git a/util.c b/util.c index 435069f..fe044fc 100644 --- a/util.c +++ b/util.c @@ -1,100 +1,35 @@ -/* - * (C)opyright MMVI Anselm R. Garbe - * See LICENSE file for license details. - */ - +/* See LICENSE file for copyright and license details. */ #include #include #include #include -#include -#include -#include #include "util.h" -void -error(char *errstr, ...) { - va_list ap; - va_start(ap, errstr); - vfprintf(stderr, errstr, ap); - va_end(ap); - exit(1); -} - -static void -bad_malloc(unsigned int size) -{ - fprintf(stderr, "fatal: could not malloc() %d bytes\n", - (int) size); - exit(1); -} - -void * -emallocz(unsigned int size) -{ - void *res = calloc(1, size); - if(!res) - bad_malloc(size); - return res; -} - -void * -emalloc(unsigned int size) -{ - void *res = malloc(size); - if(!res) - bad_malloc(size); - return res; -} - void * -erealloc(void *ptr, unsigned int size) +ecalloc(size_t nmemb, size_t size) { - void *res = realloc(ptr, size); - if(!res) - bad_malloc(size); - return res; -} + void *p; -char * -estrdup(const char *str) -{ - void *res = strdup(str); - if(!res) - bad_malloc(strlen(str)); - return res; + if (!(p = calloc(nmemb, size))) + die("calloc:"); + return p; } void -failed_assert(char *a, char *file, int line) -{ - fprintf(stderr, "Assertion \"%s\" failed at %s:%d\n", a, file, line); - abort(); -} +die(const char *fmt, ...) { + va_list ap; -void -swap(void **p1, void **p2) -{ - void *tmp = *p1; - *p1 = *p2; - *p2 = tmp; -} + va_start(ap, fmt); + vfprintf(stderr, fmt, ap); + va_end(ap); -void -spawn(Display *dpy, const char *shell, const char *cmd) -{ - if(!cmd || !shell) - return; - if(fork() == 0) { - if(fork() == 0) { - if(dpy) - close(ConnectionNumber(dpy)); - execl(shell, shell, "-c", cmd, (const char *)0); - fprintf(stderr, "gridwm: execl %s", shell); - perror(" failed"); - } - exit (0); + if (fmt[0] && fmt[strlen(fmt)-1] == ':') { + fputc(' ', stderr); + perror(NULL); + } else { + fputc('\n', stderr); } - wait(0); + + exit(1); }