updated man page regarding Mod1-m - suckless/dwm - Unnamed repository; edit this file 'description' to name the repository.

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author	Anselm R Garbe <garbeam@gmail.com>	2008-06-15 18:59:52 +0100
committer	Anselm R Garbe <garbeam@gmail.com>	2008-06-15 18:59:52 +0100
commit	1ce173402f0941ef8e8c6cf21f88b8a89511969c (patch)
tree	1a0960f949b2688f659aa58e99256d175a71da12 /dwm.png
parent	a06b9193c7dcbed307c163ab778ad3bf66807af3 (diff)
download	dwm-1ce173402f0941ef8e8c6cf21f88b8a89511969c.tar.gz

updated man page regarding Mod1-m

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/*
 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
 * See LICENSE file for license details.
 */
#include "dwm.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>

/* static */

static void
bad_malloc(unsigned int size)
{
	eprint("fatal: could not malloc() %u bytes\n", size);
}

/* extern */

void *
emallocz(unsigned int size)
{
	void *res = calloc(1, size);

	if(!res)
		bad_malloc(size);
	return res;
}

void
eprint(const char *errstr, ...)
{
	va_list ap;

	va_start(ap, errstr);
	vfprintf(stderr, errstr, ap);
	va_end(ap);
	exit(EXIT_FAILURE);
}

void *
erealloc(void *ptr, unsigned int size)
{
	void *res = realloc(ptr, size);
	if(!res)
		bad_malloc(size);
	return res;
}

void
spawn(Arg *arg)
{
	static char *shell = NULL;

	if(!shell && !(shell = getenv("SHELL")))
		shell = "/bin/sh";

	if(!arg->cmd)
		return;
	if(fork() == 0) {
		if(fork() == 0) {
			if(dpy)
				close(ConnectionNumber(dpy));
			setsid();
			execl(shell, shell, "-c", arg->cmd, NULL);
			fprintf(stderr, "dwm: execl '%s -c %s'", shell, arg->cmd);
			perror(" failed");
		}
		exit(0);
	}
	wait(0);
}


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