X-Git-Url: https://git.efficios.com/?a=blobdiff_plain;f=src%2Fplugins%2Fctf%2Ffs-sink%2Ftranslate-trace-ir-to-ctf-ir.c;h=e0a03b2e8be3d02c867e7863f7a8f908d86c8a0c;hb=2c62a90ddcc5d63c6bf0f080e5676bc4eed36655;hp=c808ef0a76c334a12cd9af7c712397fa295b4ffb;hpb=6559432e3ac12aff7a0f729d3982ed6a779d2c3e;p=babeltrace.git

diff --git a/src/plugins/ctf/fs-sink/translate-trace-ir-to-ctf-ir.c b/src/plugins/ctf/fs-sink/translate-trace-ir-to-ctf-ir.c
index c808ef0a..e0a03b2e 100644
--- a/src/plugins/ctf/fs-sink/translate-trace-ir-to-ctf-ir.c
+++ b/src/plugins/ctf/fs-sink/translate-trace-ir-to-ctf-ir.c
@@ -154,14 +154,14 @@ bool ist_valid_identifier(const char *name)
 	}
 
 	/* Make sure the name starts with a letter or `_` */
-	if (!isalpha(name[0]) && name[0] != '_') {
+	if (!isalpha((unsigned char) name[0]) && name[0] != '_') {
 		ist_valid = false;
 		goto end;
 	}
 
 	/* Make sure the name only contains letters, digits, and `_` */
 	for (at = name; *at != '\0'; at++) {
-		if (!isalnum(*at) && *at != '_') {
+		if (!isalnum((unsigned char) *at) && *at != '_') {
 			ist_valid = false;
 			goto end;
 		}