getservbyport_r: fix out-of-bounds buffer read

[musl] / src / multibyte / internal.c

diff --git a/src/multibyte/internal.c b/src/multibyte/internal.c
index 1a4ddc3..2f5aaa9 100644 (file)
--- a/src/multibyte/internal.c
+++ b/src/multibyte/internal.c
@@ -1,11 +1,3 @@
-/* 
- * This code was written by Rich Felker in 2010; no copyright is claimed.
- * This code is in the public domain. Attribution is appreciated but
- * unnecessary.
- */
-
-#include <inttypes.h>
-
 #include "internal.h"
 
 #define C(x) ( x<2 ? -1 : ( R(0x80,0xc0) | x ) )
@@ -17,13 +9,13 @@
              | x )
 #define F(x) ( ( x>=5 ? 0 : \
                  x==0 ? R(0x90,0xc0) : \
-                 x==4 ? R(0x80,0xa0) : \
+                 x==4 ? R(0x80,0x90) : \
                  R(0x80,0xc0) ) \
              | ( R(0x80,0xc0) >> 6 ) \
              | ( R(0x80,0xc0) >> 12 ) \
              | x )
 
-const uint32_t bittab[] ATTR_LIBC_VISIBILITY = {
+const uint32_t bittab[] = {
                      C(0x2),C(0x3),C(0x4),C(0x5),C(0x6),C(0x7),
        C(0x8),C(0x9),C(0xa),C(0xb),C(0xc),C(0xd),C(0xe),C(0xf),
        D(0x0),D(0x1),D(0x2),D(0x3),D(0x4),D(0x5),D(0x6),D(0x7),