alloc: avoid arithmetic on void pointers.

[ccan] / ccan / tap / tap.c

diff --git a/ccan/tap/tap.c b/ccan/tap/tap.c
index 9c92f7f21deb92c75ffe016f4c8e18a54b65f69b..9f6d4d066a4e7068d16bc05659cb47fd680b3f6b 100644 (file)
--- a/ccan/tap/tap.c
+++ b/ccan/tap/tap.c
@@ -23,10 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */
-/* FIXME: The real fix is an asprintf module. */
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE 1
-#endif
+#include "config.h"
 #include <ctype.h>
 #include <stdarg.h>
 #include <stdio.h>
@@ -118,7 +115,8 @@ _gen_result(int ok, const char *func, const char *file, unsigned int line,
                if(local_test_name) {
                        name_is_digits = 1;
                        for(c = local_test_name; *c != '\0'; c++) {
-                               if(!isdigit(*c) && !isspace(*c)) {
+                               if(!isdigit((unsigned char)*c)
+                                  && !isspace((unsigned char)*c)) {
                                        name_is_digits = 0;
                                        break;
                                }