| 1 |
greg |
2.1 |
#ifndef lint
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| 2 |
greg |
2.11 |
static const char RCSid[] = "$Id: fixargv0.c,v 2.10 2025/06/03 21:31:51 greg Exp $";
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| 3 |
greg |
2.1 |
#endif
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| 4 |
|
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/*
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| 5 |
greg |
2.10 |
* Fix argv[0] and assign global progname variable
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| 6 |
greg |
2.2 |
*
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| 7 |
schorsch |
2.4 |
* External symbols declared in paths.h
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| 8 |
greg |
2.2 |
*/
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| 9 |
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|
| 10 |
greg |
2.11 |
#include "rtio.h"
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| 11 |
greg |
2.10 |
#include "paths.h"
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| 12 |
schorsch |
2.4 |
#include <ctype.h>
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| 13 |
greg |
2.10 |
|
| 14 |
|
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char *progname = NULL; /* global argv[0] */
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| 15 |
greg |
2.1 |
|
| 16 |
greg |
2.8 |
char *
|
| 17 |
|
|
fixargv0(char *av0) /* extract command name from full path */
|
| 18 |
greg |
2.1 |
{
|
| 19 |
greg |
2.10 |
char *cp = av0;
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| 20 |
greg |
2.1 |
|
| 21 |
|
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while (*cp) cp++; /* start from end */
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| 22 |
greg |
2.10 |
|
| 23 |
greg |
2.1 |
while (cp-- > av0)
|
| 24 |
greg |
2.10 |
switch (*cp) {
|
| 25 |
|
|
CASEDIRSEP: /* remove directory */
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| 26 |
|
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av0 = cp+1;
|
| 27 |
|
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break;
|
| 28 |
|
|
#if defined(_WIN32) || defined(_WIN64) /* only do for Windows: */
|
| 29 |
greg |
2.1 |
case '.': /* remove extension */
|
| 30 |
|
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*cp = '\0';
|
| 31 |
|
|
continue;
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| 32 |
|
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default: /* convert to lower case */
|
| 33 |
|
|
*cp = tolower(*cp);
|
| 34 |
|
|
continue;
|
| 35 |
greg |
2.10 |
#endif
|
| 36 |
greg |
2.1 |
}
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| 37 |
greg |
2.10 |
return(progname = av0);
|
| 38 |
greg |
2.1 |
}
|
| 39 |
greg |
2.11 |
|
| 40 |
|
|
|
| 41 |
|
|
void
|
| 42 |
|
|
printargs( /* print command arguments to a file */
|
| 43 |
|
|
int ac,
|
| 44 |
|
|
char **av,
|
| 45 |
|
|
FILE *fp
|
| 46 |
|
|
)
|
| 47 |
|
|
{
|
| 48 |
|
|
if (ac <= 0) return;
|
| 49 |
|
|
|
| 50 |
|
|
if (progname == NULL)
|
| 51 |
|
|
fixargv0(av[0]);
|
| 52 |
|
|
|
| 53 |
|
|
if (progname >= av[0] && progname - av[0] < strlen(av[0]))
|
| 54 |
|
|
fputword(progname, fp);
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| 55 |
|
|
else
|
| 56 |
|
|
fputword(av[0], fp);
|
| 57 |
|
|
while (--ac > 0) {
|
| 58 |
|
|
fputc(' ', fp);
|
| 59 |
|
|
fputword(*++av, fp);
|
| 60 |
|
|
}
|
| 61 |
|
|
fputc('\n', fp);
|
| 62 |
|
|
}
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