mosesdecoder/util/getopt.c
2012-10-15 13:58:33 +01:00

79 lines
1.4 KiB
C

/*
POSIX getopt for Windows
AT&T Public License
Code given out at the 1985 UNIFORUM conference in Dallas.
*/
#ifndef __GNUC__
#include "getopt.hh"
#include <stdio.h>
#include <string.h>
#define NULL 0
#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], "--") == 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__ */