block all signals (even internal ones) in cancellation signal handler

[musl] / src / ctype / isalpha.c

diff --git a/src/ctype/isalpha.c b/src/ctype/isalpha.c
index 53e115c..f155d3a 100644 (file)
--- a/src/ctype/isalpha.c
+++ b/src/ctype/isalpha.c
@@ -1,7 +1,15 @@
 #include <ctype.h>
+#include "libc.h"
 #undef isalpha
 
 int isalpha(int c)
 {
        return ((unsigned)c|32)-'a' < 26;
 }
+
+int __isalpha_l(int c, locale_t l)
+{
+       return isalpha(c);
+}
+
+weak_alias(__isalpha_l, isalpha_l);