math: tgammal.c fixes

[oweals/musl.git] / src / ctype / iswalnum.c

diff --git a/src/ctype/iswalnum.c b/src/ctype/iswalnum.c
index d3b5667470e91e57d9ea022b8cacf86b76426c53..35dbe02cf3cb3993e701c3acf8f950db101a890c 100644 (file)
--- a/src/ctype/iswalnum.c
+++ b/src/ctype/iswalnum.c
@@ -1,9 +1,7 @@
 #include <wchar.h>
 #include <wctype.h>
 
-#undef iswalnum
-
 int iswalnum(wint_t wc)
 {
-       return (unsigned)wc-'0' < 10 || iswalpha(wc);
+       return iswdigit(wc) || iswalpha(wc);
 }