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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Fix argv[0] for DOS environments |
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* |
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* External symbols declared in paths.h |
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*/ |
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#include <ctype.h> |
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#include <string.h> |
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char * |
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fixargv0(av0) /* extract command name from full path */ |
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char *av0; |
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fixargv0(char *av0) /* extract command name from full path */ |
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{ |
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register char *cp = av0; |
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char *cp = av0, *end; |
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while (*cp) cp++; /* start from end */ |
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end = cp; |
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while (cp-- > av0) |
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switch (*cp) { /* fix up command name */ |
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case '.': /* remove extension */ |
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*cp = '\0'; |
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end = cp; |
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continue; |
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case '\\': /* remove directory */ |
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return(cp+1); |
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/* make sure the original pointer remains the same */ |
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memmove(av0, cp+1, end-cp); |
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return(av0); |
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default: /* convert to lower case */ |
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*cp = tolower(*cp); |
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continue; |
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} |
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return(av0); |
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} |
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