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| author | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2020-12-30 11:09:58 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@sourceware.org> | 2020-12-31 16:55:21 +0530 |
| commit | 2a3224c53653214cbba2ec23424702193c80ea3b (patch) | |
| tree | c34edd8ad17636d2aef26f16dd69ebcff87d1dbe /include | |
| parent | c43c5796121bc5bcc0867f02e5536874aa8196c1 (diff) | |
| download | glibc-2a3224c53653214cbba2ec23424702193c80ea3b.tar.gz glibc-2a3224c53653214cbba2ec23424702193c80ea3b.tar.xz glibc-2a3224c53653214cbba2ec23424702193c80ea3b.zip | |
string: Enable __FORTIFY_LEVEL=3
This change enhances fortified string functions to use __builtin_dynamic_object_size under _FORTIFY_SOURCE=3 whenever the compiler supports it.
Diffstat (limited to 'include')
| -rw-r--r-- | include/string.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/include/string.h b/include/string.h index 7d344d77d4..81dab39891 100644 --- a/include/string.h +++ b/include/string.h @@ -123,10 +123,11 @@ libc_hidden_proto (__strerror_l) void __explicit_bzero_chk_internal (void *, size_t, size_t) __THROW __nonnull ((1)) attribute_hidden; # define explicit_bzero(buf, len) \ - __explicit_bzero_chk_internal (buf, len, __bos0 (buf)) + __explicit_bzero_chk_internal (buf, len, __glibc_objsize0 (buf)) #elif !IS_IN (nonlib) void __explicit_bzero_chk (void *, size_t, size_t) __THROW __nonnull ((1)); -# define explicit_bzero(buf, len) __explicit_bzero_chk (buf, len, __bos0 (buf)) +# define explicit_bzero(buf, len) __explicit_bzero_chk (buf, len, \ + __glibc_objsize0 (buf)) #endif libc_hidden_builtin_proto (memchr) |