From bfbaa577f6fc46ebb965724e0f261e79e26ec9fb Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Sun, 20 Aug 2023 20:50:31 +0200
Subject: Make use of __diagnose_as_builtin

---
 include/unistd.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'include/unistd.h')

diff --git a/include/unistd.h b/include/unistd.h
index 15498b8..1c79711 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -42,6 +42,7 @@ extern "C" {
 #undef write
 
 __access(write_only, 2, 3)
+__diagnose_as_builtin(__builtin_confstr, 1, 2, 3)
 _FORTIFY_FN(confstr) size_t confstr(int __n, char * _FORTIFY_POS0 __s, size_t __l)
 {
 	size_t __b = __bos(__s, 0);
@@ -53,6 +54,7 @@ _FORTIFY_FN(confstr) size_t confstr(int __n, char * _FORTIFY_POS0 __s, size_t __
 }
 
 __access(write_only, 1, 2)
+__diagnose_as_builtin(__builtin_getcwd, 1, 2)
 _FORTIFY_FN(getcwd) char *getcwd(char * _FORTIFY_POS0 __s, size_t __l)
 {
 	size_t __b = __bos(__s, 0);
@@ -65,6 +67,7 @@ _FORTIFY_FN(getcwd) char *getcwd(char * _FORTIFY_POS0 __s, size_t __l)
 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 #undef getdomainname
 __access(write_only, 1, 2)
+__diagnose_as_builtin(__builtin_getdomainname, 1, 2)
 _FORTIFY_FN(getdomainname) int getdomainname(char * _FORTIFY_POS0 __s, size_t __l)
 {
 	size_t __b = __bos(__s, 0);
@@ -75,6 +78,7 @@ _FORTIFY_FN(getdomainname) int getdomainname(char * _FORTIFY_POS0 __s, size_t __
 }
 #endif
 
+__diagnose_as_builtin(__builtin_getgroups, 1, 2)
 _FORTIFY_FN(getgroups) int getgroups(int __l, gid_t * _FORTIFY_POS0 __s)
 {
 	size_t __b = __bos(__s, 0);
@@ -85,6 +89,7 @@ _FORTIFY_FN(getgroups) int getgroups(int __l, gid_t * _FORTIFY_POS0 __s)
 }
 
 __access(write_only, 1, 2)
+__diagnose_as_builtin(__builtin_gethostname, 1, 2)
 _FORTIFY_FN(gethostname) int gethostname(char * _FORTIFY_POS0 __s, size_t __l)
 {
 	size_t __b = __bos(__s, 0);
@@ -95,6 +100,7 @@ _FORTIFY_FN(gethostname) int gethostname(char * _FORTIFY_POS0 __s, size_t __l)
 }
 
 __access(write_only, 1, 2)
+__diagnose_as_builtin(__builtin_getlogin_r, 1, 2)
 _FORTIFY_FN(getlogin_r) int getlogin_r(char * _FORTIFY_POS0 __s, size_t __l)
 {
 	size_t __b = __bos(__s, 0);
@@ -104,6 +110,7 @@ _FORTIFY_FN(getlogin_r) int getlogin_r(char * _FORTIFY_POS0 __s, size_t __l)
 	return __orig_getlogin_r(__s, __l);
 }
 
+__diagnose_as_builtin(__builtin_pread, 1, 2, 3, 4)
 _FORTIFY_FN(pread) ssize_t pread(int __f, void * _FORTIFY_POS0 __s,
                                  size_t __n, off_t __o)
 {
@@ -115,6 +122,7 @@ _FORTIFY_FN(pread) ssize_t pread(int __f, void * _FORTIFY_POS0 __s,
 }
 
 __access(write_only, 2, 3)
+__diagnose_as_builtin(__builtin_read, 1, 2, 3)
 _FORTIFY_FN(read) ssize_t read(int __f, void * _FORTIFY_POS0 __s, size_t __n)
 {
 	size_t __b = __bos(__s, 0);
@@ -125,6 +133,7 @@ _FORTIFY_FN(read) ssize_t read(int __f, void * _FORTIFY_POS0 __s, size_t __n)
 }
 
 __access(write_only, 2, 3)
+__diagnose_as_builtin(__builtin_readlink, 1, 2, 3)
 _FORTIFY_FN(readlink) ssize_t readlink(const char *__p,
                                        char * _FORTIFY_POS0 __s, size_t __n)
 {
@@ -136,6 +145,7 @@ _FORTIFY_FN(readlink) ssize_t readlink(const char *__p,
 }
 
 __access(write_only, 3, 4)
+__diagnose_as_builtin(__builtin_readlinkat, 1, 2, 3, 4)
 _FORTIFY_FN(readlinkat) ssize_t readlinkat(int __f, const char *__p,
                                            char * _FORTIFY_POS0 __s, size_t __n)
 {
@@ -147,6 +157,7 @@ _FORTIFY_FN(readlinkat) ssize_t readlinkat(int __f, const char *__p,
 }
 
 __access(write_only, 2, 3)
+__diagnose_as_builtin(__builtin_ttyname_r, 1, 2, 3)
 _FORTIFY_FN(ttyname_r) int ttyname_r(int __f, char * _FORTIFY_POS0 __s,
                                      size_t __n)
 {
@@ -158,6 +169,7 @@ _FORTIFY_FN(ttyname_r) int ttyname_r(int __f, char * _FORTIFY_POS0 __s,
 }
 
 __access(read_only, 2, 3)
+__diagnose_as_builtin(__builtin_write, 1, 2, 3)
 _FORTIFY_FN(write) ssize_t write(int __f, const void * _FORTIFY_POS0 __s,
                                  size_t __n)
 {
-- 
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