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annotate c/setprogname/setprogname.c @ 621:ca5912ad2909

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Misc: massive refactoring, closes #717
author David Demelier <markand@malikania.fr>
date Fri, 20 Oct 2017 12:36:51 +0200
parents port/C/setprogname.c@266f32919d0a
children b327391f6a62
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1 /*
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2 * setprogname.c -- get or set the program name
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3 *
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4 * Copyright (c) 2011-2017 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <stdio.h>
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20 #include <stdlib.h>
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21 #include <string.h>
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22
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23 /*
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24 * Do not return NULL if the developer didn't call setprogname to
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25 * prevent useless segfault.
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26 */
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27 static const char *g_pname = "";
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28
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29 void
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30 setprogname(const char *progname)
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31 {
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32 const char *p;
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33
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34 /* Seek last / or \ on windows */
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35 if ((p = strrchr(progname, '/')) || (p = strrchr(progname, '\\')))
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36 g_pname = &p[1];
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37 else
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38 g_pname = progname;
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39 }
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40
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41 const char *
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42 getprogname(void)
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43 {
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44 return g_pname;
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45 }