diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | string/strcpy.c | 7 | ||||
| -rw-r--r-- | sysdeps/generic/bp-checks.h | 12 |
3 files changed, 11 insertions, 17 deletions
@@ -1,3 +1,12 @@ +2013-02-08 Joseph Myers <joseph@codesourcery.com> + + [BZ #13550] + * sysdeps/generic/bp-checks.h (CHECK_BOUNDS_LOW): Remove all + definitions. + (CHECK_BOUNDS_HIGH): Likewise. + * string/strcpy.c: Do not include <bp-checks.h>. + (strcpy): Do not use CHECK_BOUNDS_LOW and CHECK_BOUNDS_HIGH. + 2013-02-07 Roland McGrath <roland@hack.frob.com> * nscd/nscd-client.h (__nscd_drop_map_ref): diff --git a/string/strcpy.c b/string/strcpy.c index a2bb8ef..9b713dc 100644 --- a/string/strcpy.c +++ b/string/strcpy.c @@ -18,7 +18,6 @@ #include <stddef.h> #include <string.h> #include <memcopy.h> -#include <bp-checks.h> #undef strcpy @@ -29,8 +28,8 @@ strcpy (dest, src) const char *src; { char c; - char *__unbounded s = (char *__unbounded) CHECK_BOUNDS_LOW (src); - const ptrdiff_t off = CHECK_BOUNDS_LOW (dest) - s - 1; + char *__unbounded s = (char *__unbounded) src; + const ptrdiff_t off = dest - s - 1; size_t n; do @@ -41,8 +40,6 @@ strcpy (dest, src) while (c != '\0'); n = s - src; - (void) CHECK_BOUNDS_HIGH (src + n); - (void) CHECK_BOUNDS_HIGH (dest + n); return dest; } diff --git a/sysdeps/generic/bp-checks.h b/sysdeps/generic/bp-checks.h index 13d00ca..618497c 100644 --- a/sysdeps/generic/bp-checks.h +++ b/sysdeps/generic/bp-checks.h @@ -24,16 +24,6 @@ # define BOUNDS_VIOLATED (__builtin_trap (), 0) -/* Verify that pointer's value >= low. Return pointer value. */ -# define CHECK_BOUNDS_LOW(ARG) \ - (((__ptrvalue (ARG) < __ptrlow (ARG)) && BOUNDS_VIOLATED), \ - __ptrvalue (ARG)) - -/* Verify that pointer's value < high. Return pointer value. */ -# define CHECK_BOUNDS_HIGH(ARG) \ - (((__ptrvalue (ARG) > __ptrhigh (ARG)) && BOUNDS_VIOLATED), \ - __ptrvalue (ARG)) - # define _CHECK_N(ARG, N, COND) \ (((COND) \ && (__ptrvalue (ARG) < __ptrlow (ARG) \ @@ -56,8 +46,6 @@ /* Do nothing if not compiling with -fbounded-pointers. */ # define BOUNDS_VIOLATED -# define CHECK_BOUNDS_LOW(ARG) (ARG) -# define CHECK_BOUNDS_HIGH(ARG) (ARG) # define CHECK_1(ARG) (ARG) # define CHECK_1_NULL_OK(ARG) (ARG) # define CHECK_N(ARG, N) (ARG) |