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#include "unalf.h"
#define OPTIONS "aefFklLon:pqstTvVd:x:"
/* uncomment to test exclude/include glob lists */
// #define DEBUG_GLOBS
static void add_exclude(const char *glob) {
if(exclude_count == MAX_EXCLUDES)
return;
exclude_globs[exclude_count++] = glob;
}
#ifdef DEBUG_GLOBS
static void show_globs(void) {
int i;
printf("Include globs:\n");
while(*include_globs)
printf(" + %s\n", *include_globs++);
printf("Exclude globs:\n");
for(i = 0; i < exclude_count; i++)
printf(" - %s\n", exclude_globs[i]);
exit(0);
}
#endif
int parsenum(const char opt, const char *arg) {
const char *p = arg;
int result, err = 0;
if(opts.extract_num) {
fprintf(stderr, "%s: fatal: can't use multiple -%c arguments (try --help).\n", self, opt);
exit(1);
}
for(p = arg; *p && (*p >= '0' && *p <= '9'); p++)
;
if(*p || p == arg) {
err++;
} else {
result = atoi(arg);
if(!result) err++;
}
if(err) {
fprintf(stderr, "%s: fatal: invalid number '%s' for -%c option (try --help).\n", self, arg, opt);
exit(1);
}
return result;
}
void parse_opts(int argc, char * const *argv) {
int opt;
char **ig;
/* don't let getopt() print error message for us. */
opterr = 0;
while((opt = getopt(argc, argv, OPTIONS)) != -1) {
switch(opt) {
case 'a': opts.txtconv++; break;
case 'e': opts.listonly = opts.testonly = 0; break;
case 'k': opts.keepdot++; break;
case 'f': opts.fixjunk++; opts.testonly = 1; opts.listonly = 0; opts.quiet = 1; break;
case 'F': opts.force++; break;
case 'l': opts.listonly++; opts.testonly = 0; break;
case 'L': opts.lowercase++; break;
case 'n': opts.extract_num = parsenum('n', optarg); break;
case 'o': opts.overwrite++; break;
case 'p': opts.extract_to_stdout++; opts.quiet++; break;
case 'q': opts.quiet++; break;
case 's': opts.split++; opts.testonly = 0; opts.listonly = 0; break;
case 't': opts.testonly++; opts.listonly = 0; break;
case 'T': opts.ignore_datetime = 1; break;
case 'v': opts.listonly = 1; opts.testonly = 0; opts.verbose_list++; break;
case 'V': puts(VERSION); exit(0); break;
case 'd': opts.outdir = optarg; break;
case 'x': add_exclude(optarg); break;
default:
fprintf(stderr, "%s: fatal: invalid option '-%c' (try -h or --help)\n", self, optopt);
exit(1);
}
}
if(optind >= argc) {
fprintf(stderr, "%s: fatal: missing alf file argument (try -h or --help)\n", self);
exit(1);
}
in_filename = argv[optind];
if(optind < argc)
include_globs = &argv[optind + 1]; /* might be null, that's OK */
ig = (char **)include_globs;
if(opts.extract_num && *ig) {
fprintf(stderr, "%s: fatal: can't use wildcards with -n (try -h or --help)\n.", self);
exit(1);
}
while(*ig) {
if(globmatch("*.alf", *ig)) {
fprintf(stderr, "%s: ALF files don't normally contain other ALF files, are you trying to extract/list multiple ALF files at once?\n", self);
break;
}
ig++;
}
#ifdef DEBUG_GLOBS
show_globs();
#endif
}
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