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51 lines
1.1 KiB
C
51 lines
1.1 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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//
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/// \file tuklib_progname.c
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/// \brief Program name to be displayed in messages
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//
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// Author: Lasse Collin
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//
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// This file has been put into the public domain.
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// You can do whatever you want with this file.
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//
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///////////////////////////////////////////////////////////////////////////////
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#include "tuklib_progname.h"
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#include <string.h>
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#if !HAVE_DECL_PROGRAM_INVOCATION_NAME
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char *progname = NULL;
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#endif
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extern void
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tuklib_progname_init(char **argv)
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{
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#ifdef TUKLIB_DOSLIKE
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// On these systems, argv[0] always has the full path and .exe
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// suffix even if the user just types the plain program name.
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// We modify argv[0] to make it nicer to read.
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// Strip the leading path.
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char *p = argv[0] + strlen(argv[0]);
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while (argv[0] < p && p[-1] != '/' && p[-1] != '\\')
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--p;
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argv[0] = p;
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// Strip the .exe suffix.
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p = strrchr(p, '.');
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if (p != NULL)
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*p = '\0';
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// Make it lowercase.
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for (p = argv[0]; *p != '\0'; ++p)
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if (*p >= 'A' && *p <= 'Z')
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*p = *p - 'A' + 'a';
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#endif
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progname = argv[0];
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return;
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}
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