common: cast arguments to character classification functions to unsigned char

[babeltrace.git] / tests / utils / tap / tap.c

diff --git a/tests/utils/tap/tap.c b/tests/utils/tap/tap.c
index 7d5920ac89f5b83891e7aa4e10b6fe7843112e3d..8e9f9a645fc38c2ec09a972b1b8d45fbcccb891c 100644 (file)
--- a/tests/utils/tap/tap.c
+++ b/tests/utils/tap/tap.c
@@ -109,7 +109,7 @@ _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(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;
                                }
                                        name_is_digits = 0;
                                        break;
                                }