X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=functions%2Fctype%2Fisxdigit.c;fp=functions%2Fctype%2Fisxdigit.c;h=55818dff272952fe41596fa301c16d7fa109e787;hb=f55a1b46c818376556332a6475c0b70a7539fd68;hp=0000000000000000000000000000000000000000;hpb=ad9db5af1af0576b1ac057e35917c08ece7411ba;p=fw%2Fpdclib

diff --git a/functions/ctype/isxdigit.c b/functions/ctype/isxdigit.c
new file mode 100644
index 0000000..55818df
--- /dev/null
+++ b/functions/ctype/isxdigit.c
@@ -0,0 +1,38 @@
+/* $Id$ */
+
+/* isxdigit( int )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <ctype.h>
+
+#ifndef REGTEST
+
+int isxdigit( int c )
+{
+    return ( _PDCLIB_locale_info.ctype[c].flags & _PDCLIB_CTYPE_XDIGT );
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE( isxdigit( '0' ) );
+    TESTCASE( isxdigit( '9' ) );
+    TESTCASE( isxdigit( 'a' ) );
+    TESTCASE( isxdigit( 'f' ) );
+    TESTCASE( ! isxdigit( 'g' ) );
+    TESTCASE( isxdigit( 'A' ) );
+    TESTCASE( isxdigit( 'F' ) );
+    TESTCASE( ! isxdigit( 'G' ) );
+    TESTCASE( ! isxdigit( '@' ) );
+    TESTCASE( ! isxdigit( ' ' ) );
+    return TEST_RESULTS;
+}
+
+#endif