rev: Avoid calling free in a signal handler

free() is not a safe function for a signal handler. The next
line calls _exit() anyway, so there is no need for resource
management.

diff --git a/text-utils/rev.c b/text-utils/rev.c
index cb384824138323a90dcdd0ba6cce720a5461792d..ace2cd6a6bc29bd460b3613422b4ff98a3d8e1f9 100644 (file)
--- a/text-utils/rev.c
+++ b/text-utils/rev.c
@@ -68,7 +68,6 @@ wchar_t *buf;
 
 static void sig_handler(int signo __attribute__ ((__unused__)))
 {
-       free(buf);
        _exit(EXIT_SUCCESS);
 }