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avoid compiler warning | |
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ccache gcc -DHAVE_CONFIG_H -I. -I.. -include ../config.h -DBSD=1 -DSHELL -DIFS_BROKEN -Wall -gdwarf-2 -Wall -Werror -MT mystring.o -MD -MP -MF .deps/mystring.Tpo -c -o mystring.o mystring.c miscbltin.c: In function `umaskcmd': miscbltin.c:201: warning: subscript has type `char' isdigit is only defined over EOF and unsigned char values, so without this patch, you can trigger undefined behavior. Or you can pull from $ git pull git://repo.or.cz/dash/ericb.git master -- Don't work too hard, make some time for fun as well! Eric Blake ebb9@xxxxxxx
>From 4e9dc98029647880acc1992f36d12331872a818d Mon Sep 17 00:00:00 2001
From: Eric Blake <ebb9@xxxxxxx>
Date: Thu, 9 Jul 2009 06:52:15 -0600
Subject: [PATCH] [BUILD] Avoid compiler warning
Pass correct type to ctype macro.
Signed-off-by: Eric Blake <ebb9@xxxxxxx>
---
ChangeLog | 4 ++++
src/miscbltin.c | 2 +-
2 files changed, 5 insertions(+), 1 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index e6a1d26..5731f79 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2009-07-09 Eric Blake <ebb9@xxxxxxx>
+
+ * Avoid compiler warnings.
+
2009-06-27 Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
* Fix quoted pattern patch breakage.
diff --git a/src/miscbltin.c b/src/miscbltin.c
index 3f91bc3..65ff46d 100644
--- a/src/miscbltin.c
+++ b/src/miscbltin.c
@@ -198,7 +198,7 @@ umaskcmd(int argc, char **argv)
} else {
int new_mask;
- if (isdigit(*ap)) {
+ if (isdigit((unsigned char) *ap)) {
new_mask = 0;
do {
if (*ap >= '8' || *ap < '0')
--
1.6.3.3.334.g916e1