// Function the reads command line arguments and sets up appropriate
// flags.
void set_options (int argc, char **argv) {
static struct option long_options[] =
{
{"list", no_argument, NULL, 'l'},
{"recurse", no_argument, NULL, 'R'},
{"debug", required_argument, NULL, '@'},
{NULL, 0, NULL, 0}
};
opterr = false;
for (;;) {
int option = getopt_long (argc, argv, "lR@:", long_options, NULL);
if (option == EOF) break;
switch (option) {
char optopt_str[16]; // used for printing error
case 'l': flags.long_listing = true;
break;
case 'R': flags.recursive = true;
break;
case '@': set_debugflags (optarg);
break;
default : sprintf (optopt_str, "-%c", optopt);
print_error (optopt_str, "invalid option");
exit (exit_status);
}
}
// collect any operands in argv
if (optind < argc) {
flags.opct = argc - optind;
flags.pathname = calloc (flags.opct, sizeof (char*));
assert (flags.pathname != NULL);
for (int itor = optind; itor < argc; ++itor) {
flags.pathname[itor - optind] = argv[itor];
}
}
}
int main (int argc, char **argv) {
Exec_Name = basename (argv[0]);
char *default_dictionary = DEFAULT_DICTNAME;
char *user_dictionary = NULL;
hashset_ref hashset = new_hashset ();
yy_flex_debug = false;
// Scan the arguments and set flags.
opterr = false;
for (;;) {
int option = getopt (argc, argv, "nxyd:@:");
if (option == EOF) break;
switch (option) {
char optopt_string[16]; // used in default:
case 'd': user_dictionary = optarg;
break;
case 'n': default_dictionary = NULL;
break;
case 'x': option_x(hashset);
break;
case 'y': yy_flex_debug = true;
break;
case '@': set_debugflags (optarg);
if (strpbrk (optarg, "@y")) yy_flex_debug = true;
break;
default : sprintf (optopt_string, "-%c", optopt);
print_error (optopt_string, "invalid option");
break;
}
}
// Load the dictionaries into the hash table.
load_dictionary (default_dictionary, hashset);
load_dictionary (user_dictionary, hashset);
// Read and do spell checking on each of the files.
if (optind >= argc) {
yyin = stdin;
spellcheck (STDIN_NAME, hashset);
}else {
int fileix = optind;
for (; fileix < argc; ++fileix) {
DEBUGF ('m', "argv[%d] = \"%s\"\n", fileix, argv[fileix]);
char *filename = argv[fileix];
if (strcmp (filename, STDIN_NAME) == 0) {
yyin = stdin;
spellcheck (STDIN_NAME, hashset);
}else {
yyin = open_infile (filename);
if (yyin == NULL) continue;
spellcheck (filename, hashset);
fclose (yyin);
}
}
}
yycleanup ();
return Exit_Status;
}