- int fd, nr, nr_prec = 4;
- struct stat st;
- unsigned long size;
- void *map;
-
- if (argc == 4 && !strncmp(argv[1], "-d", 2)) {
- nr_prec = strtol(argv[1] + 2, NULL, 10);
- if (nr_prec < 3 || 10 <= nr_prec)
- usage();
- argc--; argv++;
- }
- if (argc != 3)
- usage();
- fd = open(argv[1], O_RDONLY);
- if (fd < 0) {
- perror(argv[1]);
- exit(1);
- }
- if (chdir(argv[2]) < 0)
- usage();
- if (fstat(fd, &st) < 0) {
- perror("stat");
- exit(1);
+ int nr = 0, nr_prec = 4;
+ int allow_bare = 0;
+ const char *dir = NULL;
+ const char **argp;
+ static const char *stdin_only[] = { "-", NULL };
+ char *name;
+
+ for (argp = argv+1; *argp; argp++) {
+ const char *arg = *argp;
+
+ if (arg[0] != '-')
+ break;
+ /* do flags here */
+ if ( arg[1] == 'd' ) {
+ nr_prec = strtol(arg+2, NULL, 10);
+ if (nr_prec < 3 || 10 <= nr_prec)
+ usage(git_mailsplit_usage);
+ continue;
+ } else if ( arg[1] == 'f' ) {
+ nr = strtol(arg+2, NULL, 10);
+ } else if ( arg[1] == 'b' && !arg[2] ) {
+ allow_bare = 1;
+ } else if ( arg[1] == 'o' && arg[2] ) {
+ dir = arg+2;
+ } else if ( arg[1] == '-' && !arg[2] ) {
+ argp++; /* -- marks end of options */
+ break;
+ } else {
+ die("unknown option: %s", arg);
+ }