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process_options(): better error report if giving non existent short option(s)

This commit is contained in:
stefan schippers 2025-10-01 09:42:52 +02:00
parent b2e12251dc
commit 77db999d35
1 changed files with 5 additions and 2 deletions
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7
src/options.c
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@ -24,8 +24,9 @@
#define SHORT 1
#define LONG 2
static void check_opt(char *opt, char *optval, int type)
static int check_opt(char *opt, char *optval, int type)
{
int valid = 1;
if( (type == SHORT && *opt == 'd') || (type == LONG && !strcmp("debug", opt)) ) {
if(optval) debug_var = atoi(optval);
else debug_var = 0;
@ -179,7 +180,9 @@ static void check_opt(char *opt, char *optval, int type)
has_x = 0;
} else {
fprintf(errfp, "Unknown option: %s\n", opt);
valid = 0;
}
return valid;
}
int process_options(int argc, char *argv[])
@ -258,7 +261,7 @@ int process_options(int argc, char *argv[])
else if(*opt == 'o') {
optval = argv[++i];
}
check_opt(opt, optval, SHORT);
if(!check_opt(opt, optval, SHORT)) break;
/* printf("opt: %c, value: %s\n", *opt, optval ? optval : "no value"); */
++opt;
}