mirror of
https://github.com/GnoConsortium/gno.git
synced 2024-11-19 11:30:51 +00:00
e7bb29a749
- compiled for GNO - added stack diagnostics and error checking - made large auto arrays static, where possible - added checks for unexpected recursion
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#ifdef __ORCAC__
|
|
segment "cpp_3_____";
|
|
#endif
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#define EPR fprintf(stderr,
|
|
#define ERR(str, chr) if(opterr){EPR "%s%c\n", str, chr);}
|
|
int opterr = 1;
|
|
int optind = 1;
|
|
int optopt;
|
|
char *optarg;
|
|
|
|
int
|
|
getopt (int argc, char *const argv[], const char *opts)
|
|
{
|
|
static int sp = 1;
|
|
register c;
|
|
register char *cp;
|
|
|
|
if (sp == 1)
|
|
if (optind >= argc ||
|
|
argv[optind][0] != '-' || argv[optind][1] == '\0')
|
|
return -1;
|
|
else if (strcmp(argv[optind], "--") == 0) {
|
|
optind++;
|
|
return -1;
|
|
}
|
|
optopt = c = argv[optind][sp];
|
|
if (c == ':' || (cp=strchr(opts, c)) == 0) {
|
|
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 = 0;
|
|
}
|
|
return c;
|
|
}
|