avoid the use of c_isascii() and use c_isprint()

That latter detects correctly the printable characters we are
interested in.

3 files changed, 3 insertions, 3 deletions

diff --git a/lib/str.c b/lib/str.c
index 2893c32c2c..4a72a2f27f 100644
--- a/lib/str.c
+++ b/lib/str.c
@@ -722,7 +722,7 @@ _gnutls_hostname_compare(const char *certname,
 	unsigned i;
 
 	for (i=0;i<certnamesize;i++) {
-		if (c_isascii(certname[i]) == 0)
+		if (c_isprint(certname[i]) == 0)
 			return hostname_compare_raw(certname, certnamesize, hostname);
 	}
 
diff --git a/lib/x509/common.c b/lib/x509/common.c
index 6d72338d42..d94761517a 100644
--- a/lib/x509/common.c
+++ b/lib/x509/common.c
@@ -299,7 +299,7 @@ make_printable_string(unsigned etype, const gnutls_datum_t * input,
 		 * characters then treat it as printable.
 		 */
 		for (i = 0; i < input->size; i++)
-			if (!c_isascii(input->data[i]))
+			if (!c_isprint(input->data[i]))
 				ascii = 1;
 
 		if (ascii == 0) {
diff --git a/lib/x509/output.c b/lib/x509/output.c
index a6b0b64e8a..db8bb9aa2b 100644
--- a/lib/x509/output.c
+++ b/lib/x509/output.c
@@ -68,7 +68,7 @@ int ret;
 	case GNUTLS_SAN_DNSNAME:
 #ifdef HAVE_LIBIDN
 		for (i=0;i<name->size;i++) {
-			if (c_isascii(name->data[i]) == 0) {
+			if (c_isprint(name->data[i]) == 0) {
 				non_ascii = 1;
 				break;
 			}