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#ifndef lint |
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static const char RCSid[] = "$Id: fixargv0.c,v 2.10 2025/06/03 21:31:51 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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|
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#include "rtio.h" |
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#include "paths.h" |
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#include <ctype.h> |
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|
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char *progname = NULL; /* global argv[0] */ |
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|
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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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|
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while (*cp) cp++; /* start from end */ |
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|
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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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|
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|
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void |
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printargs( /* print command arguments to a file */ |
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int ac, |
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char **av, |
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FILE *fp |
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) |
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{ |
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if (ac <= 0) return; |
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|
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if (progname == NULL) |
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fixargv0(av[0]); |
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|
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if (progname >= av[0] && progname - av[0] < strlen(av[0])) |
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fputword(progname, fp); |
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else |
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fputword(av[0], fp); |
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while (--ac > 0) { |
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fputc(' ', fp); |
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fputword(*++av, fp); |
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} |
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fputc('\n', fp); |
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} |
