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* [glibc/azanella/clang] string: Improve fortify with clang
@ 2024-02-09 17:27 Adhemerval Zanella
0 siblings, 0 replies; 4+ messages in thread
From: Adhemerval Zanella @ 2024-02-09 17:27 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=dc3d875d3f6c47f69e4d6bb056aab6fc1ac60471
commit dc3d875d3f6c47f69e4d6bb056aab6fc1ac60471
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 5 10:33:43 2023 -0300
string: Improve fortify with clang
It improve fortify checks for strcpy, stpcpy, strncpy, stpncpy, strcat,
strncat, strlcpy, and strlcat. The runtime and compile checks have
similar coverage as with GCC.
Checked on aarch64, armhf, x86_64, and i686.
Diff:
---
string/bits/string_fortified.h | 56 +++++++++++++++++++++++++-----------------
1 file changed, 34 insertions(+), 22 deletions(-)
diff --git a/string/bits/string_fortified.h b/string/bits/string_fortified.h
index e0714f794c..5c93dd677d 100644
--- a/string/bits/string_fortified.h
+++ b/string/bits/string_fortified.h
@@ -73,24 +73,29 @@ __NTH (explicit_bzero (void *__dest, size_t __len))
}
#endif
-__fortify_function char *
-__NTH (strcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#ifdef __USE_XOPEN2K8
-__fortify_function char *
-__NTH (stpcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___stpcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#endif
-__fortify_function char *
-__NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_dest_too_small (__dest, __len)
{
return __builtin___strncpy_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -98,8 +103,10 @@ __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
#ifdef __USE_XOPEN2K8
# if __GNUC_PREREQ (4, 7) || __glibc_clang_prereq (2, 6)
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
return __builtin___stpncpy_chk (__dest, __src, __n,
__glibc_objsize (__dest));
@@ -112,8 +119,9 @@ extern char *__stpncpy_chk (char *__dest, const char *__src, size_t __n,
extern char *__REDIRECT_NTH (__stpncpy_alias, (char *__dest, const char *__src,
size_t __n), stpncpy);
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
{
if (__bos (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n) || __n > __bos (__dest)))
@@ -124,16 +132,19 @@ __NTH (stpncpy (char *__dest, const char *__src, size_t __n))
#endif
-__fortify_function char *
-__NTH (strcat (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcat_chk (__dest, __src, __glibc_objsize (__dest));
}
-__fortify_function char *
-__NTH (strncat (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strncat_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -146,9 +157,10 @@ extern size_t __REDIRECT_NTH (__strlcpy_alias,
(char *__dest, const char *__src, size_t __n),
strlcpy);
-__fortify_function size_t
-__NTH (strlcpy (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
@@ -163,9 +175,9 @@ extern size_t __REDIRECT_NTH (__strlcat_alias,
(char *__dest, const char *__src, size_t __n),
strlcat);
-__fortify_function size_t
-__NTH (strlcat (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
^ permalink raw reply [flat|nested] 4+ messages in thread
* [glibc/azanella/clang] string: Improve fortify with clang
@ 2024-02-07 14:03 Adhemerval Zanella
0 siblings, 0 replies; 4+ messages in thread
From: Adhemerval Zanella @ 2024-02-07 14:03 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a1f497e158f57325d0aa49d30452e24ae4cac87b
commit a1f497e158f57325d0aa49d30452e24ae4cac87b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 5 10:33:43 2023 -0300
string: Improve fortify with clang
It improve fortify checks for strcpy, stpcpy, strncpy, stpncpy, strcat,
strncat, strlcpy, and strlcat. The runtime and compile checks have
similar coverage as with GCC.
Checked on aarch64, armhf, x86_64, and i686.
Diff:
---
string/bits/string_fortified.h | 57 ++++++++++++++++++++++++++----------------
1 file changed, 35 insertions(+), 22 deletions(-)
diff --git a/string/bits/string_fortified.h b/string/bits/string_fortified.h
index e0714f794c..83b80184a8 100644
--- a/string/bits/string_fortified.h
+++ b/string/bits/string_fortified.h
@@ -73,24 +73,29 @@ __NTH (explicit_bzero (void *__dest, size_t __len))
}
#endif
-__fortify_function char *
-__NTH (strcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#ifdef __USE_XOPEN2K8
-__fortify_function char *
-__NTH (stpcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___stpcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#endif
-__fortify_function char *
-__NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_dest_too_small (__dest, __len)
{
return __builtin___strncpy_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -98,8 +103,10 @@ __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
#ifdef __USE_XOPEN2K8
# if __GNUC_PREREQ (4, 7) || __glibc_clang_prereq (2, 6)
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
return __builtin___stpncpy_chk (__dest, __src, __n,
__glibc_objsize (__dest));
@@ -112,8 +119,9 @@ extern char *__stpncpy_chk (char *__dest, const char *__src, size_t __n,
extern char *__REDIRECT_NTH (__stpncpy_alias, (char *__dest, const char *__src,
size_t __n), stpncpy);
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
{
if (__bos (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n) || __n > __bos (__dest)))
@@ -124,16 +132,19 @@ __NTH (stpncpy (char *__dest, const char *__src, size_t __n))
#endif
-__fortify_function char *
-__NTH (strcat (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcat_chk (__dest, __src, __glibc_objsize (__dest));
}
-__fortify_function char *
-__NTH (strncat (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strncat_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -146,9 +157,10 @@ extern size_t __REDIRECT_NTH (__strlcpy_alias,
(char *__dest, const char *__src, size_t __n),
strlcpy);
-__fortify_function size_t
-__NTH (strlcpy (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
@@ -163,9 +175,10 @@ extern size_t __REDIRECT_NTH (__strlcat_alias,
(char *__dest, const char *__src, size_t __n),
strlcat);
-__fortify_function size_t
-__NTH (strlcat (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
^ permalink raw reply [flat|nested] 4+ messages in thread
* [glibc/azanella/clang] string: Improve fortify with clang
@ 2024-01-29 17:53 Adhemerval Zanella
0 siblings, 0 replies; 4+ messages in thread
From: Adhemerval Zanella @ 2024-01-29 17:53 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d6e404e9c9af5785b537a65c54b423ba482fadd6
commit d6e404e9c9af5785b537a65c54b423ba482fadd6
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 5 10:33:43 2023 -0300
string: Improve fortify with clang
It improve fortify checks for strcpy, stpcpy, strncpy, stpncpy, strcat,
strncat, strlcpy, and strlcat. The runtime and compile checks have
similar coverage as with GCC.
Checked on aarch64, armhf, x86_64, and i686.
Diff:
---
string/bits/string_fortified.h | 57 ++++++++++++++++++++++++++----------------
1 file changed, 35 insertions(+), 22 deletions(-)
diff --git a/string/bits/string_fortified.h b/string/bits/string_fortified.h
index e0714f794c..83b80184a8 100644
--- a/string/bits/string_fortified.h
+++ b/string/bits/string_fortified.h
@@ -73,24 +73,29 @@ __NTH (explicit_bzero (void *__dest, size_t __len))
}
#endif
-__fortify_function char *
-__NTH (strcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#ifdef __USE_XOPEN2K8
-__fortify_function char *
-__NTH (stpcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___stpcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#endif
-__fortify_function char *
-__NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_dest_too_small (__dest, __len)
{
return __builtin___strncpy_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -98,8 +103,10 @@ __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
#ifdef __USE_XOPEN2K8
# if __GNUC_PREREQ (4, 7) || __glibc_clang_prereq (2, 6)
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
return __builtin___stpncpy_chk (__dest, __src, __n,
__glibc_objsize (__dest));
@@ -112,8 +119,9 @@ extern char *__stpncpy_chk (char *__dest, const char *__src, size_t __n,
extern char *__REDIRECT_NTH (__stpncpy_alias, (char *__dest, const char *__src,
size_t __n), stpncpy);
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
{
if (__bos (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n) || __n > __bos (__dest)))
@@ -124,16 +132,19 @@ __NTH (stpncpy (char *__dest, const char *__src, size_t __n))
#endif
-__fortify_function char *
-__NTH (strcat (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcat_chk (__dest, __src, __glibc_objsize (__dest));
}
-__fortify_function char *
-__NTH (strncat (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strncat_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -146,9 +157,10 @@ extern size_t __REDIRECT_NTH (__strlcpy_alias,
(char *__dest, const char *__src, size_t __n),
strlcpy);
-__fortify_function size_t
-__NTH (strlcpy (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
@@ -163,9 +175,10 @@ extern size_t __REDIRECT_NTH (__strlcat_alias,
(char *__dest, const char *__src, size_t __n),
strlcat);
-__fortify_function size_t
-__NTH (strlcat (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
^ permalink raw reply [flat|nested] 4+ messages in thread
* [glibc/azanella/clang] string: Improve fortify with clang
@ 2023-12-21 18:50 Adhemerval Zanella
0 siblings, 0 replies; 4+ messages in thread
From: Adhemerval Zanella @ 2023-12-21 18:50 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c3ffcf2b9eb3695ce5666053e78db8473f0b51fa
commit c3ffcf2b9eb3695ce5666053e78db8473f0b51fa
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Tue Dec 5 10:33:43 2023 -0300
string: Improve fortify with clang
It improve fortify checks for strcpy, stpcpy, strncpy, stpncpy, strcat,
strncat, strlcpy, and strlcat. The runtime and compile checks have
similar coverage as with GCC.
Checked on aarch64, armhf, x86_64, and i686.
Diff:
---
string/bits/string_fortified.h | 57 ++++++++++++++++++++++++++----------------
1 file changed, 35 insertions(+), 22 deletions(-)
diff --git a/string/bits/string_fortified.h b/string/bits/string_fortified.h
index 23ef064168..d3ee250642 100644
--- a/string/bits/string_fortified.h
+++ b/string/bits/string_fortified.h
@@ -73,24 +73,29 @@ __NTH (explicit_bzero (void *__dest, size_t __len))
}
#endif
-__fortify_function char *
-__NTH (strcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#ifdef __USE_XOPEN2K8
-__fortify_function char *
-__NTH (stpcpy (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___stpcpy_chk (__dest, __src, __glibc_objsize (__dest));
}
#endif
-__fortify_function char *
-__NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_dest_too_small (__dest, __len)
{
return __builtin___strncpy_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -98,8 +103,10 @@ __NTH (strncpy (char *__restrict __dest, const char *__restrict __src,
#ifdef __USE_XOPEN2K8
# if __GNUC_PREREQ (4, 7) || __glibc_clang_prereq (2, 6)
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
return __builtin___stpncpy_chk (__dest, __src, __n,
__glibc_objsize (__dest));
@@ -112,8 +119,9 @@ extern char *__stpncpy_chk (char *__dest, const char *__src, size_t __n,
extern char *__REDIRECT_NTH (__stpncpy_alias, (char *__dest, const char *__src,
size_t __n), stpncpy);
-__fortify_function char *
-__NTH (stpncpy (char *__dest, const char *__src, size_t __n))
+__fortify_function __attribute_overloadable__ char *
+__NTH (stpncpy (__fortify_clang_overload_arg (char *, ,__dest),
+ const char *__src, size_t __n))
{
if (__bos (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n) || __n > __bos (__dest)))
@@ -124,16 +132,19 @@ __NTH (stpncpy (char *__dest, const char *__src, size_t __n))
#endif
-__fortify_function char *
-__NTH (strcat (char *__restrict __dest, const char *__restrict __src))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strcat_chk (__dest, __src, __glibc_objsize (__dest));
}
-__fortify_function char *
-__NTH (strncat (char *__restrict __dest, const char *__restrict __src,
- size_t __len))
+__fortify_function __attribute_overloadable__ char *
+__NTH (strncat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __len))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
return __builtin___strncat_chk (__dest, __src, __len,
__glibc_objsize (__dest));
@@ -146,9 +157,10 @@ extern size_t __REDIRECT_NTH (__strlcpy_alias,
(char *__dest, const char *__src, size_t __n),
strlcpy);
-__fortify_function size_t
-__NTH (strlcpy (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcpy (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_dest_too_small (__dest, __n)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
@@ -163,9 +175,10 @@ extern size_t __REDIRECT_NTH (__strlcat_alias,
(char *__dest, const char *__src, size_t __n),
strlcat);
-__fortify_function size_t
-__NTH (strlcat (char *__restrict __dest, const char *__restrict __src,
- size_t __n))
+__fortify_function __attribute_overloadable__ size_t
+__NTH (strlcat (__fortify_clang_overload_arg (char *, __restrict, __dest),
+ const char *__restrict __src, size_t __n))
+ __fortify_clang_warn_if_src_too_large (__dest, __src)
{
if (__glibc_objsize (__dest) != (size_t) -1
&& (!__builtin_constant_p (__n > __glibc_objsize (__dest))
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2024-02-09 17:27 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2024-02-09 17:27 [glibc/azanella/clang] string: Improve fortify with clang Adhemerval Zanella
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2024-02-07 14:03 Adhemerval Zanella
2024-01-29 17:53 Adhemerval Zanella
2023-12-21 18:50 Adhemerval Zanella
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