* sysdeps/unix/sysv/linux/libc_fatal.c: Print backtrace and memory

	map if requested.
	* debug/chk_fail.c: Request backtrace and memory map dump.

	* Versions.def: Add GLIBC_2.4 for libc.
	* debug/fgets_chk.c: New file.
	* debug/fgets_u_chk.c: New file.
	* debug/getcwd_chk.c: New file.
	* debug/getwd_chk.c: New file.
	* debug/readlink_chk.c: New file.
	* debug/read_chk.c: New file.
	* debug/pread_chk.c: New file.
	* debug/pread64_chk.c: New file.
	* debug/recv_chk.c: New file.
	* debug/recvfrom_chk.c: New file.
	* debug/Versions: Add all new functions with version GLIBC_2.4.
	* debug/Makefile (routines): Add fgets_chk, fgets_u_chk, read_chk,
	pread_chk, pread64_chk, recv_chk, recvfrom_chk, readlink_chk,
	getwd_chk, and getcwd_chk.  Plus appropriate CFLAGS definitions.
	* debug/tst-chk1.c: Add more tests.
	* libio/bits/stdio2.h: Add macros for fgets and fgets_unlocked.
	* include/stdio.h: Declare __fgets_chk and __fgets_unlocked_chk.
	* posix/unistd.h: Include <bits/unistd.h> for fortification.
	* posix/bits/unistd.h: New file.
	* posix/Makefile (headers): Add bits/unistd.h.
	* socket/sys/socket.h: Include <bits/socket2.h> for fortification.
	* socket/bits/socket2.h: New file.
	* socket/Makefile (headers): Add bits/socket2.h.

	* string/bits/string3.h: Extend memset macro to check for zero 3rd
	parameter and use __memset_zero_constant_len_parameter in that case.
	* sysdeps/generic/memset_chk.c: Add
	__memset_zero_constant_len_parameter alias and linker warning.
	* debug/Versions: Add __memset_zero_constant_len_parameter to libc
	with version GLIBC_2.4.

	* sysdeps/generic/bits/types.h: Don't unnecessarily use __extension__
	in __STD_TYPE definition.

2005-02-21  Jakub Jelinek  <jakub@redhat.com>

	* malloc/malloc.c (malloc_printerr): If MALLOC_CHECK_={5,7}, print
	the error message rather than program name.

2005-02-21  Ulrich Drepper  <drepper@redhat.com>

2 files changed, 11 insertions, 6 deletions

diff --git a/sysdeps/generic/bits/types.h b/sysdeps/generic/bits/types.h
index ce48964f14..65c8a9fe90 100644
--- a/sysdeps/generic/bits/types.h
+++ b/sysdeps/generic/bits/types.h
@@ -1,5 +1,5 @@
 /* bits/types.h -- definitions of __*_t types underlying *_t types.
-   Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -114,6 +114,9 @@ typedef struct
 # define __ULONG32_TYPE		unsigned long int
 # define __S64_TYPE		__quad_t
 # define __U64_TYPE		__u_quad_t
+/* We want __extension__ before typedef's that use nonstandard base types
+   such as `long long' in C89 mode.  */
+# define __STD_TYPE		__extension__ typedef
 #elif __WORDSIZE == 64
 # define __SQUAD_TYPE		long int
 # define __UQUAD_TYPE		unsigned long int
@@ -123,15 +126,13 @@ typedef struct
 # define __ULONG32_TYPE		unsigned int
 # define __S64_TYPE		long int
 # define __U64_TYPE		unsigned long int
+/* No need to mark the typedef with __extension__.   */
+# define __STD_TYPE		typedef
 #else
 # error
 #endif
 #include <bits/typesizes.h>	/* Defines __*_T_TYPE macros.  */
 
-/* We want __extension__ before typedef's that use nonstandard base types
-   such as `long long' in C89 mode.  */
-#define __STD_TYPE __extension__ typedef
-
 
 __STD_TYPE __DEV_T_TYPE __dev_t;	/* Type of device numbers.  */
 __STD_TYPE __UID_T_TYPE __uid_t;	/* Type of user identifications.  */
diff --git a/sysdeps/generic/memset_chk.c b/sysdeps/generic/memset_chk.c
index c311914395..dfdcfbca3d 100644
--- a/sysdeps/generic/memset_chk.c
+++ b/sysdeps/generic/memset_chk.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1997, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1997, 2003, 2004, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -90,3 +90,7 @@ __memset_chk (dstpp, c, len, dstlen)
 
   return dstpp;
 }
+strong_alias (__memset_chk, __memset_zero_constant_len_parameter)
+
+link_warning (__memset_zero_constant_len_parameter,
+	      "memset used with constant zero length parameter; this could be due to transposed parameters")