82 lines
1.5 KiB
C
82 lines
1.5 KiB
C
|
/*
|
||
|
|
POSIX getopt for Windows
|
||
|
|
|
||
|
|
AT&T Public License
|
||
|
|
|
||
|
|
Code given out at the 1985 UNIFORUM conference in Dallas.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __GNUC__
|
||
|
|
|
||
|
|
#include "wingetopt.h"
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#ifndef NULL
|
||
|
|
#define NULL 0
|
||
|
|
#endif
|
||
|
|
#define EOF (-1)
|
||
|
|
#define ERR(s, c) if(opterr){\
|
||
|
|
char errbuf[2];\
|
||
|
|
errbuf[0] = c; errbuf[1] = '\n';\
|
||
|
|
fputs(argv[0], stderr);\
|
||
|
|
fputs(s, stderr);\
|
||
|
|
fputc(c, stderr);}
|
||
|
|
//(void) write(2, argv[0], (unsigned)strlen(argv[0]));\
|
||
|
|
//(void) write(2, s, (unsigned)strlen(s));\
|
||
|
|
//(void) write(2, errbuf, 2);}
|
||
|
|
|
||
|
|
int opterr = 1;
|
||
|
|
int optind = 1;
|
||
|
|
int optopt;
|
||
|
|
char *optarg;
|
||
|
|
|
||
|
|
int
|
||
|
|
getopt(argc, argv, opts)
|
||
|
|
int argc;
|
||
|
|
char **argv, *opts;
|
||
|
|
{
|
||
|
|
static int sp = 1;
|
||
|
|
register int c;
|
||
|
|
register char *cp;
|
||
|
|
|
||
|
|
if (sp == 1)
|
||
|
|
if (optind >= argc ||
|
||
|
|
argv[optind][0] != '-' || argv[optind][1] == '\0')
|
||
|
|
return(EOF);
|
||
|
|
else if (strcmp(argv[optind], "--") == (int)NULL) {
|
||
|
|
optind++;
|
||
|
|
return(EOF);
|
||
|
|
}
|
||
|
|
optopt = c = argv[optind][sp];
|
||
|
|
if (c == ':' || (cp = strchr(opts, c)) == NULL) {
|
||
|
|
ERR(": illegal option -- ", c);
|
||
|
|
if (argv[optind][++sp] == '\0') {
|
||
|
|
optind++;
|
||
|
|
sp = 1;
|
||
|
|
}
|
||
|
|
return('?');
|
||
|
|
}
|
||
|
|
if (*++cp == ':') {
|
||
|
|
if (argv[optind][sp + 1] != '\0')
|
||
|
|
optarg = &argv[optind++][sp + 1];
|
||
|
|
else if (++optind >= argc) {
|
||
|
|
ERR(": option requires an argument -- ", c);
|
||
|
|
sp = 1;
|
||
|
|
return('?');
|
||
|
|
}
|
||
|
|
else
|
||
|
|
optarg = argv[optind++];
|
||
|
|
sp = 1;
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
if (argv[optind][++sp] == '\0') {
|
||
|
|
sp = 1;
|
||
|
|
optind++;
|
||
|
|
}
|
||
|
|
optarg = NULL;
|
||
|
|
}
|
||
|
|
return(c);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* __GNUC__ */
|