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small refactor

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This commit is contained in:
Connor Olding 2012-04-14 19:38:26 -07:00
parent 3b30447bca
commit cd8144aec7
1 changed files with 16 additions and 11 deletions
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27
args.h
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@ -97,6 +97,20 @@ void args_print_help()
exit(0); exit(0);
} }
static void args_check_bounds()
{
if (args_current >= args_argc) {
if (args_current - 1 == args_previous)
fprintf(stderr, "%s requires an argument.\n",
args_previous_name);
else
fprintf(stderr, "%s requires another argument.\n",
args_previous_name);
args_print_usage();
exit(1);
}
}
static int args_get_index(char* name) static int args_get_index(char* name)
{ {
int i; int i;
@ -114,20 +128,11 @@ static int args_get_index(char* name)
static char* args__poll(char wants_switch) static char* args__poll(char wants_switch)
{ {
static char short_[3] = "-\0"; static char short_[3] = "--";
static int pos = 0; static int pos = 0;
char* arg = NULL; char* arg = NULL;
if (args_current >= args_argc) { args_check_bounds();
if (args_current - 1 == args_previous)
fprintf(stderr, "%s requires an argument.\n",
args_previous_name);
else
fprintf(stderr, "%s requires another argument.\n",
args_previous_name);
args_print_usage();
exit(1);
}
arg = args_argv[args_current]; arg = args_argv[args_current];
if (!wants_switch) { if (!wants_switch) {