| 1 |
greg |
2.1 |
#ifndef lint |
| 2 |
schorsch |
2.7 |
static const char RCSid[] = "$Id: fixargv0.c,v 2.6 2016/03/19 00:44:46 schorsch Exp $"; |
| 3 |
greg |
2.1 |
#endif |
| 4 |
|
|
/* |
| 5 |
|
|
* Fix argv[0] for DOS environments |
| 6 |
greg |
2.2 |
* |
| 7 |
schorsch |
2.4 |
* External symbols declared in paths.h |
| 8 |
greg |
2.2 |
*/ |
| 9 |
|
|
|
| 10 |
greg |
2.3 |
#include "copyright.h" |
| 11 |
greg |
2.1 |
|
| 12 |
schorsch |
2.4 |
#include <ctype.h> |
| 13 |
schorsch |
2.6 |
#include <string.h> |
| 14 |
greg |
2.1 |
|
| 15 |
schorsch |
2.5 |
extern char * |
| 16 |
greg |
2.1 |
fixargv0(av0) /* extract command name from full path */ |
| 17 |
|
|
char *av0; |
| 18 |
|
|
{ |
| 19 |
schorsch |
2.7 |
register char *cp = av0, *end = av0; |
| 20 |
greg |
2.1 |
|
| 21 |
|
|
while (*cp) cp++; /* start from end */ |
| 22 |
schorsch |
2.7 |
end = cp; |
| 23 |
greg |
2.1 |
while (cp-- > av0) |
| 24 |
|
|
switch (*cp) { /* fix up command name */ |
| 25 |
|
|
case '.': /* remove extension */ |
| 26 |
|
|
*cp = '\0'; |
| 27 |
schorsch |
2.7 |
end = cp; |
| 28 |
greg |
2.1 |
continue; |
| 29 |
|
|
case '\\': /* remove directory */ |
| 30 |
schorsch |
2.7 |
/* make sure the original pointer remains the same */ |
| 31 |
|
|
memmove(av0, cp+1, end-cp); |
| 32 |
schorsch |
2.6 |
break; |
| 33 |
greg |
2.1 |
default: /* convert to lower case */ |
| 34 |
|
|
*cp = tolower(*cp); |
| 35 |
|
|
continue; |
| 36 |
|
|
} |
| 37 |
|
|
return(av0); |
| 38 |
|
|
} |
| 39 |
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| 40 |
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