diff --git a/WEGA/contrib/lcc/lib/libc/port/gen/getopt.c b/WEGA/contrib/lcc/lib/libc/port/gen/getopt.c new file mode 100644 index 0000000..9257abb --- /dev/null +++ b/WEGA/contrib/lcc/lib/libc/port/gen/getopt.c @@ -0,0 +1,60 @@ +#include +#define ERR(s, c) if(opterr){\ + (void) fputs(argv[0], stderr);\ + (void) fputs(s, stderr);\ + (void) fputc(c, stderr);\ + (void) fputc('\n', stderr);} + +extern int strcmp(); +extern char *strchr(); + +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], "--") == 0) { + 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); +}