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#ifndef lint
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static const char RCSid[] = "$Id: fixargv0.c,v 2.9 2020/07/24 16:58:16 greg Exp $";
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#endif
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/*
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* Fix argv[0] and assign global progname variable
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*
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* External symbols declared in paths.h
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*/
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#include "paths.h"
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#include <ctype.h>
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char *progname = NULL; /* global argv[0] */
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char *
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fixargv0(char *av0) /* extract command name from full path */
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{
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char *cp = av0;
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while (*cp) cp++; /* start from end */
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while (cp-- > av0)
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switch (*cp) {
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CASEDIRSEP: /* remove directory */
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av0 = cp+1;
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break;
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#if defined(_WIN32) || defined(_WIN64) /* only do for Windows: */
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case '.': /* remove extension */
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*cp = '\0';
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continue;
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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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#endif
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}
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return(progname = av0);
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}
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