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-rw-r--r--parse-options.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/parse-options.c b/parse-options.c
index 987e27cb91..87b26a1d92 100644
--- a/parse-options.c
+++ b/parse-options.c
@@ -195,6 +195,9 @@ static enum parse_opt_result get_value(struct parse_opt_ctx_t *p,
}
if (get_arg(p, opt, flags, &arg))
return -1;
+ if (!*arg)
+ return error(_("%s expects a numerical value"),
+ optname(opt, flags));
*(int *)opt->value = strtol(arg, (char **)&s, 10);
if (*s)
return error(_("%s expects a numerical value"),