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Fix memchr overflow.

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The overflow's actually in the generic C implementation of memchr.

While I'm here, let's switch our generic memrchr to the OpenBSD version too.

Bug: https://code.google.com/p/android/issues/detail?id=147048
Change-Id: I296ae06a1ee196d2c77c95a22f11ee4d658962da
This commit is contained in:
Elliott Hughes
2015-02-14 13:21:22 -08:00
parent f9fb52ab30
commit 41ef902379
10 changed files with 107 additions and 102 deletions
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6
libc/arch-x86_64/x86_64.mk
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@@ -9,8 +9,6 @@ libc_bionic_src_files_x86_64 += \
bionic/__memset_chk.cpp \
bionic/__strcpy_chk.cpp \
bionic/__strcat_chk.cpp \
bionic/memchr.c \
bionic/memrchr.c \
bionic/strchr.cpp \
bionic/strnlen.c \
bionic/strrchr.cpp \
@@ -25,6 +23,10 @@ libc_freebsd_src_files_x86_64 += \
upstream-freebsd/lib/libc/string/wmemcmp.c \
upstream-freebsd/lib/libc/string/wmemmove.c \
libc_openbsd_src_files_x86_64 += \
upstream-openbsd/lib/libc/string/memchr.c \
upstream-openbsd/lib/libc/string/memrchr.c \
#
# Inherently architecture-specific code.
#