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annotate util.c @ 72:d0eb0bb63c40

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I prefer the tiled/floating indicator on the right side
author Anselm R. Garbe <garbeam@wmii.de>
date Fri, 14 Jul 2006 18:59:25 +0200
parents 50450aa24a46
children f08271b7cb20
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1 /*
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2 * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
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3 * See LICENSE file for license details.
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4 */
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5
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6 #include <stdarg.h>
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7 #include <stdio.h>
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8 #include <stdlib.h>
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9 #include <sys/types.h>
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10 #include <sys/wait.h>
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11 #include <unistd.h>
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12
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13 #include "dwm.h"
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14
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15 void
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16 error(const char *errstr, ...) {
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17 va_list ap;
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18 va_start(ap, errstr);
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19 vfprintf(stderr, errstr, ap);
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20 va_end(ap);
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21 exit(1);
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22 }
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23
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24 static void
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25 bad_malloc(unsigned int size)
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26 {
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27 fprintf(stderr, "fatal: could not malloc() %d bytes\n",
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28 (int) size);
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29 exit(1);
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30 }
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31
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32 void *
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33 emallocz(unsigned int size)
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34 {
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35 void *res = calloc(1, size);
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36 if(!res)
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37 bad_malloc(size);
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38 return res;
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39 }
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40
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41 void
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42 spawn(Arg *arg)
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43 {
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44 char **argv = (char **)arg->argv;
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45 if(!argv || !argv[0])
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46 return;
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47 if(fork() == 0) {
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48 if(fork() == 0) {
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49 if(dpy)
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50 close(ConnectionNumber(dpy));
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51 setsid();
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52 execvp(argv[0], argv);
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53 fprintf(stderr, "dwm: execvp %s", argv[0]);
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54 perror(" failed");
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55 }
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56 exit (0);
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57 }
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58 wait(0);
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59 }