From 8762512fdb088acefb9f3ea5f7b1e1bf2d336ff3 Mon Sep 17 00:00:00 2001 From: Rostislav Skudnov Date: Wed, 1 Feb 2017 18:35:13 +0000 Subject: Replace int -> uint to avoid signed integer overflow An example of such an error (should be compiled with DEBUG_SANITIZE): runtime error: left shift of 1 by 31 places cannot be represented in type 'int' Signed-off-by: Rostislav Skudnov Signed-off-by: Denys Vlasenko --- libbb/getopt32.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libbb/getopt32.c') diff --git a/libbb/getopt32.c b/libbb/getopt32.c index 15b6efc09..497fc016f 100644 --- a/libbb/getopt32.c +++ b/libbb/getopt32.c @@ -404,7 +404,7 @@ getopt32(char **argv, const char *applet_opts, ...) if (c >= 32) break; on_off->opt_char = *s; - on_off->switch_on = (1 << c); + on_off->switch_on = (1U << c); if (*++s == ':') { on_off->optarg = va_arg(p, void **); if (s[1] == '+' || s[1] == '*') { @@ -454,7 +454,7 @@ getopt32(char **argv, const char *applet_opts, ...) if (c >= 32) break; on_off->opt_char = l_o->val; - on_off->switch_on = (1 << c); + on_off->switch_on = (1U << c); if (l_o->has_arg != no_argument) on_off->optarg = va_arg(p, void **); c++; -- cgit v1.2.3