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path: root/Build/source/texk/dvipdfm-x/dpxutil.c
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Diffstat (limited to 'Build/source/texk/dvipdfm-x/dpxutil.c')
-rw-r--r--Build/source/texk/dvipdfm-x/dpxutil.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/Build/source/texk/dvipdfm-x/dpxutil.c b/Build/source/texk/dvipdfm-x/dpxutil.c
index a6d3d274467..acf318026ab 100644
--- a/Build/source/texk/dvipdfm-x/dpxutil.c
+++ b/Build/source/texk/dvipdfm-x/dpxutil.c
@@ -477,12 +477,12 @@ read_c_escchar (char *r, const char **pp, const char *endptr)
{
int i;
for (c = 0, i = 0, p++;
- i < 2 && p < endptr && isxdigit(p[0]);
+ i < 2 && p < endptr && isxdigit((unsigned char)p[0]);
i++, p++)
c = (c << 4) +
- (isdigit(p[0]) ?
+ (isdigit((unsigned char)p[0]) ?
p[0] - '0' :
- (islower(p[0]) ? p[0] - 'a' + 10: p[0] - 'A' + 10));
+ (islower((unsigned char)p[0]) ? p[0] - 'a' + 10: p[0] - 'A' + 10));
}
break;
default: