snore

commit 962f4eded6effdc8474928ec02e3ca9e33ed753f
parent a156a190c5277a05887fbe33cfcb03eddfe450ea
Author: Claudio Alessi <smoppy@gmail.com>
Date:   Mon, 10 Jul 2017 23:55:48 +0200

Fix SIGSEGV with large time values.

This is a quick and dirty fix, it's likely there is a better way to go.

Diffstat:
M
snore.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/snore.c b/snore.c
@@ -1,5 +1,6 @@
 /* See LICENSE for license details. */
 #include <errno.h>
+#include <limits.h>
 #include <stdio.h>
 #include <stdarg.h>
 #include <stdlib.h>
@@ -112,6 +113,8 @@ main(int argc, char *argv[]) {
 		if(tm < 0)
 			die("%s: wrong time\n", argv[i]);
 		endtm += tm;
+		if(endtm >= UINT_MAX)
+			die("%s: time too large\n", argv[0]);
 	}
 	if(!endtm)
 		endtm = symbols[LENGTH(symbols) - 1].mult;