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2e0bbbfbf9
glibc/sysdeps/unix/sysv/linux/sparc
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Dennis Wölfing 2e0bbbfbf9 Add reallocarray function 
The reallocarray function is an extension from OpenBSD.  It is an
integer-overflow-safe replacement for realloc(p, X*Y) and
malloc(X*Y) (realloc(NULL, X*Y)).  It can therefore help in preventing
certain security issues in code.

This is an updated version of a patch originally submitted by Rüdiger
Sonderfeld in May 2014 [1].

Checked on i686-linux-gnu and x86_64-linux-gnu.

[1] <https://sourceware.org/ml/libc-alpha/2014-05/msg00481.html>.

2017-05-30  Dennis Wölfing  <denniswoelfing@gmx.de>
            Rüdiger Sonderfeld  <ruediger@c-plusplus.de>

	* include/stdlib.h (__libc_reallocarray): New declaration.
	* malloc/Makefile (routines): Add reallocarray.
	(tests): Add tst-reallocarray.c.
	* malloc/Versions: Add reallocarray and __libc_reallocarray.
	* malloc/malloc-internal.h (check_mul_overflow_size_t): New inline
	function.
	* malloc/malloc.h (reallocarray): New declaration.
	* stdlib/stdlib.h (reallocarray): Likewise.
	* malloc/reallocarray.c: New file.
	* malloc/tst-reallocarray.c: New test file.
	* manual/memory.texi: Document reallocarray.
	* sysdeps/unix/sysv/linux/aarch64/libc.abilist: Add reallocarray.
	* sysdeps/unix/sysv/linux/alpha/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/arm/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/hppa/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/i386/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/ia64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/m68k/coldfire/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/m68k/m680x0/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/microblaze/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/nios2/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
	Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sh/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/tilepro/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/64/libc.abilist: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/x32/libc.abilist: Likewise.
2017-05-30 18:27:57 -03:00
..
bits Fix a bug in 'Remove __need macros from signal.h' (a992f506) 2017-05-22 22:32:09 -04:00
sparc32 Add reallocarray function 2017-05-30 18:27:57 -03:00
sparc64 Add reallocarray function 2017-05-30 18:27:57 -03:00
sys Fix sys/ucontext.h namespace from signal.h etc. inclusion (bug 21457). 2017-05-23 11:49:48 +00:00
a.out.h Remove trailing whitespace. 2013-06-05 20:44:03 +00:00
aio_cancel.c Move remaining SPARC code out of nptl/. 2014-06-20 17:13:47 -07:00
arch-fork.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
configure Move architecture cases out of sysdeps/unix/sysv/linux/configure.ac. 2014-06-24 20:53:03 +00:00
configure.ac Move architecture cases out of sysdeps/unix/sysv/linux/configure.ac. 2014-06-24 20:53:03 +00:00
dl-cache.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getrlimit64.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getshmlba.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
getsysstats.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
Implies NPTL is no longer an add-on! 2014-07-07 09:29:06 -07:00
kernel_termios.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
kernel-features.h posix: Consolidate Linux pause syscall 2017-05-18 18:06:47 -03:00
ldd-rewrite.sed Update. 1999-07-14 15:21:35 +00:00
lowlevellock.h robust mutexes: Fix broken x86 assembly by removing it 2017-01-13 17:16:07 +01:00
Makefile Do not override objects in libc.a in other static libraries [BZ #20452] 2016-08-17 14:57:01 +02:00
pt-vfork.S Consolidate sparc clone, fork, and vfork implementations. 2014-06-13 14:47:53 -07:00
readelflib.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
rt-sysdep.c * shlib-versions: Use sparc64.*- for CPU patterns. 2006-03-06 01:34:09 +00:00
sysdep.c * shlib-versions: Use sparc64.*- for CPU patterns. 2006-03-06 01:34:09 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
system.c Update copyright dates with scripts/update-copyrights. 2017-01-01 00:14:16 +00:00
Versions Revert {send,sendm,recv,recvm}msg conformance changes 2016-06-10 11:58:16 -03:00