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-rw-r--r--ChangeLog6
-rw-r--r--sysdeps/i386/i486/bits/string.h16
-rw-r--r--sysdeps/x86_64/multiarch/strlen.S2
3 files changed, 15 insertions, 9 deletions
diff --git a/ChangeLog b/ChangeLog
index 80b7d7ca09..aaa6f8b81c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2011-07-25  Andreas Schwab  <schwab@redhat.com>
+
+	* sysdeps/i386/i486/bits/string.h (__strncat_g): Correctly handle
+	__n bigger than INT_MAX+1.
+	(__strncmp_g): Likewise.
+
 2011-07-23  Ulrich Drepper  <drepper@gmail.com>
 
 	* posix/unistd.h: Define SEEK_DATA and SEEK_HOLE.
diff --git a/sysdeps/i386/i486/bits/string.h b/sysdeps/i386/i486/bits/string.h
index 9f05c7e655..4f8c104fee 100644
--- a/sysdeps/i386/i486/bits/string.h
+++ b/sysdeps/i386/i486/bits/string.h
@@ -1,6 +1,6 @@
 /* Optimized, inlined string functions.  i486 version.
-   Copyright (C) 1997,1998,1999,2000,2001,2002,2003,2004,2007
-   	Free Software Foundation, Inc.
+   Copyright (C) 1997,1998,1999,2000,2001,2002,2003,2004,2007,2011
+   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
@@ -1058,8 +1058,8 @@ __strncat_g (char *__dest, __const char __src[], size_t __n)
      "movl %4, %3\n\t"
      "decl %1\n\t"
      "1:\n\t"
-     "decl	%3\n\t"
-     "js	2f\n\t"
+     "subl	$1,%3\n\t"
+     "jc	2f\n\t"
      "movb	(%2),%b0\n\t"
      "movsb\n\t"
      "testb	%b0,%b0\n\t"
@@ -1078,8 +1078,8 @@ __strncat_g (char *__dest, __const char __src[], size_t __n)
      "leal	1(%1),%1\n\t"
      "jne	1b\n"
      "2:\n\t"
-     "decl	%3\n\t"
-     "js	3f\n\t"
+     "subl	$1,%3\n\t"
+     "jc	3f\n\t"
      "movb	(%2),%b0\n\t"
      "leal	1(%2),%2\n\t"
      "movb	%b0,(%1)\n\t"
@@ -1219,8 +1219,8 @@ __strncmp_g (__const char *__s1, __const char *__s2, size_t __n)
   register int __res;
   __asm__ __volatile__
     ("1:\n\t"
-     "decl	%3\n\t"
-     "js	2f\n\t"
+     "subl	$1,%3\n\t"
+     "jc	2f\n\t"
      "movb	(%1),%b0\n\t"
      "incl	%1\n\t"
      "cmpb	%b0,(%2)\n\t"
diff --git a/sysdeps/x86_64/multiarch/strlen.S b/sysdeps/x86_64/multiarch/strlen.S
index d78970742f..43e2100f41 100644
--- a/sysdeps/x86_64/multiarch/strlen.S
+++ b/sysdeps/x86_64/multiarch/strlen.S
@@ -1,5 +1,5 @@
 /* strlen(str) -- determine the length of the string STR.
-   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2010, 2011 Free Software Foundation, Inc.
    Contributed by Ulrich Drepper <drepper@redhat.com>.
    This file is part of the GNU C Library.