if (!arg) {
v = unset ? 0 : DEFAULT_ABBREV;
} else {
+ if (!*arg)
+ return error(_("option `%s' expects a numerical value"),
+ opt->long_name);
v = strtol(arg, (char **)&arg, 10);
if (*arg)
return error(_("option `%s' expects a numerical value"),
opt->long_name);
if (v && v < MINIMUM_ABBREV)
v = MINIMUM_ABBREV;
- else if (v > 40)
- v = 40;
+ else if (v > the_hash_algo->hexsz)
+ v = the_hash_algo->hexsz;
}
*(int *)(opt->value) = v;
return 0;