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Diffstat (limited to 'testcode/readhex.c')
-rw-r--r--testcode/readhex.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/testcode/readhex.c b/testcode/readhex.c
index b986efdebc1b..d9aba09b7102 100644
--- a/testcode/readhex.c
+++ b/testcode/readhex.c
@@ -49,7 +49,7 @@ static void
skip_whites(const char** p)
{
while(1) {
- while(isspace((int)**p))
+ while(isspace((unsigned char)**p))
(*p)++;
if(**p == ';') {
/* comment, skip until newline */
@@ -71,11 +71,11 @@ void hex_to_buf(sldns_buffer* pkt, const char* hex)
skip_whites(&p);
if(sldns_buffer_position(pkt) == sldns_buffer_limit(pkt))
fatal_exit("hex_to_buf: buffer too small");
- if(!isalnum((int)*p))
+ if(!isalnum((unsigned char)*p))
break;
val = sldns_hexdigit_to_int(*p++) << 4;
skip_whites(&p);
- log_assert(*p && isalnum((int)*p));
+ log_assert(*p && isalnum((unsigned char)*p));
val |= sldns_hexdigit_to_int(*p++);
sldns_buffer_write_u8(pkt, (uint8_t)val);
skip_whites(&p);