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glibc/strncat-avoid-array-bounds-warning.patch
Andreas Schwab e794ddb00b Accepting request 407107 from home:Andreas_Schwab:Factory
- strncat-avoid-array-bounds-warning.patch: Avoid array-bounds warning for
  stncat on i586 (BZ #20260)
- Update glibc.keyring
- Unset MALLOC_CHECK_ during testsuite run

- nsswitch.conf: Add fallback to files for passwd and group to prepare for
  libnsl removal.

- nis-initgroups-status.patch: Return proper status from
  _nss_nis_initgroups_dyn (bsc#984269, BZ #20262)
- robust-mutex-deadlock.patch: Fix generic __lll_robust_timedlock_wait to
  check for timeout (bsc#985170, BZ #20263)

OBS-URL: https://build.opensuse.org/request/show/407107
OBS-URL: https://build.opensuse.org/package/show/Base:System/glibc?expand=0&rev=442
2016-07-07 12:43:40 +00:00

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1015 B
Diff

Subject: [PATCH] Avoid array-bounds warning for strncat on i586
[BZ #20260]
* sysdeps/x86/bits/string.h (__strncat_g) [!__i686__]: Compute the
address before the beginning of the string as an integer to avoid
array-bounds warning.
diff --git a/sysdeps/x86/bits/string.h b/sysdeps/x86/bits/string.h
index 8dfce05..805d33f 100644
--- a/sysdeps/x86/bits/string.h
+++ b/sysdeps/x86/bits/string.h
@@ -1089,7 +1089,6 @@ __strncat_g (char *__dest, const char __src[], size_t __n)
: "g" (__n), "0" (0), "1" (__tmp), "2" (__src), "3" (0xffffffff)
: "memory", "cc");
# else
- --__tmp;
__asm__ __volatile__
("1:\n\t"
"cmpb $0,1(%1)\n\t"
@@ -1108,7 +1107,7 @@ __strncat_g (char *__dest, const char __src[], size_t __n)
"3:\n\t"
"movb $0,(%1)"
: "=&q" (__dummy), "=&r" (__tmp), "=&r" (__src), "=&r" (__n)
- : "1" (__tmp), "2" (__src), "3" (__n)
+ : "1" ((unsigned long) __tmp - 1), "2" (__src), "3" (__n)
: "memory", "cc");
#endif
return __dest;
--
2.9.0