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Diffstat (limited to 'cpukit/libnetworking/libc/res_init.c')
-rw-r--r--cpukit/libnetworking/libc/res_init.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/cpukit/libnetworking/libc/res_init.c b/cpukit/libnetworking/libc/res_init.c
index 564c230311..9af80e3727 100644
--- a/cpukit/libnetworking/libc/res_init.c
+++ b/cpukit/libnetworking/libc/res_init.c
@@ -340,7 +340,7 @@ res_init(void)
break;
net = cp;
while (*cp && !ISSORTMASK(*cp) && *cp != ';' &&
- isascii((int)*cp) && !isspace((int)*cp))
+ isascii((unsigned char)*cp) && !isspace((unsigned char)*cp))
cp++;
n = *cp;
*cp = 0;
@@ -350,7 +350,7 @@ res_init(void)
*cp++ = n;
net = cp;
while (*cp && *cp != ';' &&
- isascii((int)*cp) && !isspace((int)*cp))
+ isascii((unsigned char)*cp) && !isspace((unsigned char)*cp))
cp++;
n = *cp;
*cp = 0;