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annotate util.c @ 384:126e78129f1d

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configurenotify remembers max geom now, and restores this if necessary, however it accepts to touch the max size on configurerequest, this shouldn't break fillscreen apps (tested with mplayer)
author Anselm R. Garbe <arg@10kloc.org>
date Tue, 29 Aug 2006 17:31:55 +0200
parents 06438e022f9a
children 9d23330a5268
rev   line source
garbeam@2 1 /*
garbeam@2 2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
garbeam@2 3 * See LICENSE file for license details.
garbeam@2 4 */
garbeam@76 5 #include "dwm.h"
garbeam@2 6 #include <stdarg.h>
garbeam@2 7 #include <stdio.h>
garbeam@2 8 #include <stdlib.h>
garbeam@5 9 #include <sys/wait.h>
garbeam@5 10 #include <unistd.h>
garbeam@5 11
garbeam@84 12 /* extern */
garbeam@76 13
garbeam@3 14 void *
garbeam@3 15 emallocz(unsigned int size)
garbeam@3 16 {
garbeam@3 17 void *res = calloc(1, size);
arg@123 18
garbeam@3 19 if(!res)
arg@325 20 eprint("fatal: could not malloc() %u bytes\n", size);
garbeam@3 21 return res;
garbeam@3 22 }
garbeam@3 23
garbeam@3 24 void
arg@187 25 eprint(const char *errstr, ...)
arg@187 26 {
garbeam@76 27 va_list ap;
arg@123 28
garbeam@76 29 va_start(ap, errstr);
garbeam@76 30 vfprintf(stderr, errstr, ap);
garbeam@76 31 va_end(ap);
garbeam@92 32 exit(EXIT_FAILURE);
garbeam@76 33 }
garbeam@76 34
arg@270 35 void *
arg@270 36 erealloc(void *ptr, unsigned int size)
arg@270 37 {
arg@270 38 void *res = realloc(ptr, size);
arg@270 39 if(!res)
arg@325 40 eprint("fatal: could not malloc() %u bytes\n", size);
arg@270 41 return res;
arg@270 42 }
arg@270 43
garbeam@76 44 void
garbeam@49 45 spawn(Arg *arg)
garbeam@5 46 {
arg@189 47 static char *shell = NULL;
arg@123 48
arg@189 49 if(!shell && !(shell = getenv("SHELL")))
arg@189 50 shell = "/bin/sh";
arg@189 51
arg@189 52 if(!arg->cmd)
garbeam@5 53 return;
arg@373 54 /* the double-fork construct avoids zombie processes */
garbeam@5 55 if(fork() == 0) {
garbeam@5 56 if(fork() == 0) {
garbeam@5 57 if(dpy)
garbeam@5 58 close(ConnectionNumber(dpy));
garbeam@9 59 setsid();
arg@338 60 execl(shell, shell, "-c", arg->cmd, (char *)NULL);
arg@217 61 fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
garbeam@5 62 perror(" failed");
garbeam@5 63 }
arg@138 64 exit(0);
garbeam@5 65 }
garbeam@5 66 wait(0);
garbeam@5 67 }