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4603
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1 /* Program name management. |
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2 Copyright (C) 2001-2003 Free Software Foundation, Inc. |
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3 Written by Bruno Haible <haible@clisp.cons.org>, 2001. |
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4 |
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5 This program is free software; you can redistribute it and/or modify |
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6 it under the terms of the GNU General Public License as published by |
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7 the Free Software Foundation; either version 2, or (at your option) |
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8 any later version. |
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9 |
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10 This program is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 GNU General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU General Public License |
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16 along with this program; if not, write to the Free Software Foundation, |
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17 Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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18 |
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19 |
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20 #ifdef HAVE_CONFIG_H |
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21 # include "config.h" |
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22 #endif |
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23 |
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24 /* Specification. */ |
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25 #include "progname.h" |
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26 |
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27 #include <string.h> |
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28 |
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29 #undef set_program_name |
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30 |
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31 |
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32 /* String containing name the program is called with. |
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33 To be initialized by main(). */ |
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34 const char *program_name; |
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35 |
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36 /* Set program_name, based on argv[0]. */ |
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37 void |
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38 set_program_name (const char *argv0) |
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39 { |
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40 /* libtool creates a temporary executable whose name is sometimes prefixed |
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41 with "lt-" (depends on the platform). It also makes argv[0] absolute. |
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42 Remove this "<dirname>/.libs/" or "<dirname>/.libs/lt-" prefix here. */ |
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43 const char *slash; |
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44 const char *base; |
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45 |
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46 slash = strrchr (argv0, '/'); |
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47 base = (slash != NULL ? slash + 1 : argv0); |
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48 if (base - argv0 >= 7 && memcmp (base - 7, "/.libs/", 7) == 0) |
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49 argv0 = base; |
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50 if (strncmp (base, "lt-", 3) == 0) |
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51 argv0 = base + 3; |
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52 program_name = argv0; |
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53 } |
