avoid reading uninitialized memory in __map_file

[musl] / src / ctype / isspace.c

diff --git a/src/ctype/isspace.c b/src/ctype/isspace.c
index 7dff20d..231e907 100644 (file)
--- a/src/ctype/isspace.c
+++ b/src/ctype/isspace.c
@@ -1,5 +1,6 @@
 #include <ctype.h>
 #include "libc.h"
+#undef isspace
 
 int isspace(int c)
 {