mirror of
https://github.com/leahneukirchen/cwm.git
synced 2023-08-10 21:13:12 +03:00
83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
/*
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* calmwm - the calm window manager
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*
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* Copyright (c) 2004 Marius Aamodt Eriksen <marius@monkey.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* $OpenBSD$
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*/
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#include <sys/types.h>
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#include "queue.h"
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#include <err.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "calmwm.h"
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#define MAXARGLEN 20
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void
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u_spawn(char *argstr)
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{
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switch (fork()) {
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case 0:
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u_exec(argstr);
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err(1, "%s", argstr);
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break;
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case -1:
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warn("fork");
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default:
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break;
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}
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}
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void
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u_exec(char *argstr)
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{
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char *args[MAXARGLEN], **ap = args;
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char **end = &args[MAXARGLEN - 1], *tmp;
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while (ap < end && (*ap = strsep(&argstr, " \t")) != NULL) {
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if (**ap == '\0')
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continue;
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ap++;
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if (argstr != NULL) {
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/* deal with quoted strings */
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switch(argstr[0]) {
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case '"':
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case '\'':
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if ((tmp = strchr(argstr + 1, argstr[0]))
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!= NULL) {
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*(tmp++) = '\0';
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*(ap++) = ++argstr;
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argstr = tmp;
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}
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break;
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default:
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break;
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}
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}
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}
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*ap = NULL;
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(void)setsid();
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(void)execvp(args[0], args);
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}
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