tools: fix ctype.h and string usage.

[ccan] / tools / ccanlint / tests / headers_idempotent.c

diff --git a/tools/ccanlint/tests/headers_idempotent.c b/tools/ccanlint/tests/headers_idempotent.c
index 7e0dc300c81307b6b7786c0306e964c94c8fbc86..59d240e339f1a60477dd12814a47eb833e5db08d 100644 (file)
--- a/tools/ccanlint/tests/headers_idempotent.c
+++ b/tools/ccanlint/tests/headers_idempotent.c
@@ -27,7 +27,7 @@ static void fix_name(char *name)
        unsigned int i;
 
        for (i = 0; name[i]; i++) {
-               if (isalnum(name[i]))
+               if (cisalnum(name[i]))
                        name[i] = toupper(name[i]);
                else
                        name[i] = '_';