From d5961baa13127cc4b02a5e88bb11dc7c8e47d3a8 Mon Sep 17 00:00:00 2001
From: Lars Henriksen <LarsHenriksen@get2net.dk>
Date: Mon, 28 May 2018 13:58:40 +0200
Subject: Check for empty string in config_parse_int()
Signed-off-by: Lukas Fleischer <lfleischer@calcurse.org>
---
src/config.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
(limited to 'src')
diff --git a/src/config.c b/src/config.c
index 8dbfa31..ff66fce 100644
--- a/src/config.c
+++ b/src/config.c
@@ -151,12 +151,15 @@ static int config_parse_unsigned(unsigned *dest, const char *val)
static int config_parse_int(int *dest, const char *val)
{
- if ((*val == '+' || *val == '-' || isdigit(*val))
- && is_all_digit(val + 1))
+ char *cp = (char *)val;
+
+ if (*val == '+' || *val == '-')
+ cp++;
+ /* Test for empty string before checking for digits only. */
+ if (*cp && is_all_digit(cp))
*dest = atoi(val);
else
return 0;
-
return 1;
}
--
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