X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fuuid.c;h=cf23f5b37eea4e6505f62cb8ac37c65def408a07;hb=59c7ee1cafaf53814838794908dd84f8101334c7;hp=e0de0d9b314ed53575b7e5f00b08921a03834642;hpb=47faf00c18402cefd0e195d63ad48d5e7e6a4a92;p=collectd.git

diff --git a/src/uuid.c b/src/uuid.c
index e0de0d9b..cf23f5b3 100644
--- a/src/uuid.c
+++ b/src/uuid.c
@@ -55,7 +55,7 @@ looks_like_a_uuid (const char *uuid)
         return 0;
 
     while (*uuid) {
-        if (!isxdigit (*uuid) && *uuid != '-') return 0;
+        if (!isxdigit ((int)*uuid) && *uuid != '-') return 0;
         uuid++;
     }
     return 1;