| /* |
| 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__ */ |