nonstring: Enable __FORTIFY_LEVEL=3

Use __builtin_dynamic_object_size in the remaining functions that
don't have compiler builtins as is the case for string functions.

1 files changed, 66 insertions, 54 deletions

diff --git a/posix/bits/unistd.h b/posix/bits/unistd.h
index 725a83eb0d..6c5ed0c618 100644
--- a/posix/bits/unistd.h
+++ b/posix/bits/unistd.h
@@ -35,13 +35,14 @@ extern ssize_t __REDIRECT (__read_chk_warn,
 __fortify_function __wur ssize_t
 read (int __fd, void *__buf, size_t __nbytes)
 {
-  if (__bos0 (__buf) != (size_t) -1)
+  if (__glibc_objsize0 (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__nbytes))
-	return __read_chk (__fd, __buf, __nbytes, __bos0 (__buf));
+	return __read_chk (__fd, __buf, __nbytes, __glibc_objsize0 (__buf));
 
-      if (__nbytes > __bos0 (__buf))
-	return __read_chk_warn (__fd, __buf, __nbytes, __bos0 (__buf));
+      if (__nbytes > __glibc_objsize0 (__buf))
+	return __read_chk_warn (__fd, __buf, __nbytes,
+				__glibc_objsize0 (__buf));
     }
   return __read_alias (__fd, __buf, __nbytes);
 }
@@ -77,14 +78,15 @@ extern ssize_t __REDIRECT (__pread64_chk_warn,
 __fortify_function __wur ssize_t
 pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset)
 {
-  if (__bos0 (__buf) != (size_t) -1)
+  if (__glibc_objsize0 (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__nbytes))
-	return __pread_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf));
+	return __pread_chk (__fd, __buf, __nbytes, __offset,
+			    __glibc_objsize0 (__buf));
 
-      if ( __nbytes > __bos0 (__buf))
+      if ( __nbytes > __glibc_objsize0 (__buf))
 	return __pread_chk_warn (__fd, __buf, __nbytes, __offset,
-				 __bos0 (__buf));
+				 __glibc_objsize0 (__buf));
     }
   return __pread_alias (__fd, __buf, __nbytes, __offset);
 }
@@ -92,14 +94,15 @@ pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset)
 __fortify_function __wur ssize_t
 pread (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
 {
-  if (__bos0 (__buf) != (size_t) -1)
+  if (__glibc_objsize0 (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__nbytes))
-	return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf));
+	return __pread64_chk (__fd, __buf, __nbytes, __offset,
+			      __glibc_objsize0 (__buf));
 
-      if ( __nbytes > __bos0 (__buf))
+      if ( __nbytes > __glibc_objsize0 (__buf))
 	return __pread64_chk_warn (__fd, __buf, __nbytes, __offset,
-				   __bos0 (__buf));
+				   __glibc_objsize0 (__buf));
     }
 
   return __pread64_alias (__fd, __buf, __nbytes, __offset);
@@ -110,14 +113,15 @@ pread (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
 __fortify_function __wur ssize_t
 pread64 (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
 {
-  if (__bos0 (__buf) != (size_t) -1)
+  if (__glibc_objsize0 (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__nbytes))
-	return __pread64_chk (__fd, __buf, __nbytes, __offset, __bos0 (__buf));
+	return __pread64_chk (__fd, __buf, __nbytes, __offset,
+			      __glibc_objsize0 (__buf));
 
-      if ( __nbytes > __bos0 (__buf))
+      if ( __nbytes > __glibc_objsize0 (__buf))
 	return __pread64_chk_warn (__fd, __buf, __nbytes, __offset,
-				   __bos0 (__buf));
+				   __glibc_objsize0 (__buf));
     }
 
   return __pread64_alias (__fd, __buf, __nbytes, __offset);
@@ -145,13 +149,14 @@ __fortify_function __nonnull ((1, 2)) __wur ssize_t
 __NTH (readlink (const char *__restrict __path, char *__restrict __buf,
 		 size_t __len))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__len))
-	return __readlink_chk (__path, __buf, __len, __bos (__buf));
+	return __readlink_chk (__path, __buf, __len, __glibc_objsize (__buf));
 
-      if ( __len > __bos (__buf))
-	return __readlink_chk_warn (__path, __buf, __len, __bos (__buf));
+      if ( __len > __glibc_objsize (__buf))
+	return __readlink_chk_warn (__path, __buf, __len,
+				    __glibc_objsize (__buf));
     }
   return __readlink_alias (__path, __buf, __len);
 }
@@ -179,14 +184,15 @@ __fortify_function __nonnull ((2, 3)) __wur ssize_t
 __NTH (readlinkat (int __fd, const char *__restrict __path,
 		   char *__restrict __buf, size_t __len))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__len))
-	return __readlinkat_chk (__fd, __path, __buf, __len, __bos (__buf));
+	return __readlinkat_chk (__fd, __path, __buf, __len,
+				 __glibc_objsize (__buf));
 
-      if (__len > __bos (__buf))
+      if (__len > __glibc_objsize (__buf))
 	return __readlinkat_chk_warn (__fd, __path, __buf, __len,
-				      __bos (__buf));
+				      __glibc_objsize (__buf));
     }
   return __readlinkat_alias (__fd, __path, __buf, __len);
 }
@@ -206,13 +212,13 @@ extern char *__REDIRECT_NTH (__getcwd_chk_warn,
 __fortify_function __wur char *
 __NTH (getcwd (char *__buf, size_t __size))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__size))
-	return __getcwd_chk (__buf, __size, __bos (__buf));
+	return __getcwd_chk (__buf, __size, __glibc_objsize (__buf));
 
-      if (__size > __bos (__buf))
-	return __getcwd_chk_warn (__buf, __size, __bos (__buf));
+      if (__size > __glibc_objsize (__buf))
+	return __getcwd_chk_warn (__buf, __size, __glibc_objsize (__buf));
     }
   return __getcwd_alias (__buf, __size);
 }
@@ -227,8 +233,8 @@ extern char *__REDIRECT_NTH (__getwd_warn, (char *__buf), getwd)
 __fortify_function __nonnull ((1)) __attribute_deprecated__ __wur char *
 __NTH (getwd (char *__buf))
 {
-  if (__bos (__buf) != (size_t) -1)
-    return __getwd_chk (__buf, __bos (__buf));
+  if (__glibc_objsize (__buf) != (size_t) -1)
+    return __getwd_chk (__buf, __glibc_objsize (__buf));
   return __getwd_warn (__buf);
 }
 #endif
@@ -248,13 +254,14 @@ extern size_t __REDIRECT_NTH (__confstr_chk_warn,
 __fortify_function size_t
 __NTH (confstr (int __name, char *__buf, size_t __len))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__len))
-	return __confstr_chk (__name, __buf, __len, __bos (__buf));
+	return __confstr_chk (__name, __buf, __len, __glibc_objsize (__buf));
 
-      if (__bos (__buf) < __len)
-	return __confstr_chk_warn (__name, __buf, __len, __bos (__buf));
+      if (__glibc_objsize (__buf) < __len)
+	return __confstr_chk_warn (__name, __buf, __len,
+				   __glibc_objsize (__buf));
     }
   return __confstr_alias (__name, __buf, __len);
 }
@@ -273,13 +280,13 @@ extern int __REDIRECT_NTH (__getgroups_chk_warn,
 __fortify_function int
 __NTH (getgroups (int __size, __gid_t __list[]))
 {
-  if (__bos (__list) != (size_t) -1)
+  if (__glibc_objsize (__list) != (size_t) -1)
     {
       if (!__builtin_constant_p (__size) || __size < 0)
-	return __getgroups_chk (__size, __list, __bos (__list));
+	return __getgroups_chk (__size, __list, __glibc_objsize (__list));
 
-      if (__size * sizeof (__gid_t) > __bos (__list))
-	return __getgroups_chk_warn (__size, __list, __bos (__list));
+      if (__size * sizeof (__gid_t) > __glibc_objsize (__list))
+	return __getgroups_chk_warn (__size, __list, __glibc_objsize (__list));
     }
   return __getgroups_alias (__size, __list);
 }
@@ -300,13 +307,15 @@ extern int __REDIRECT_NTH (__ttyname_r_chk_warn,
 __fortify_function int
 __NTH (ttyname_r (int __fd, char *__buf, size_t __buflen))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__buflen))
-	return __ttyname_r_chk (__fd, __buf, __buflen, __bos (__buf));
+	return __ttyname_r_chk (__fd, __buf, __buflen,
+				__glibc_objsize (__buf));
 
-      if (__buflen > __bos (__buf))
-	return __ttyname_r_chk_warn (__fd, __buf, __buflen, __bos (__buf));
+      if (__buflen > __glibc_objsize (__buf))
+	return __ttyname_r_chk_warn (__fd, __buf, __buflen,
+				     __glibc_objsize (__buf));
     }
   return __ttyname_r_alias (__fd, __buf, __buflen);
 }
@@ -326,13 +335,14 @@ extern int __REDIRECT (__getlogin_r_chk_warn,
 __fortify_function int
 getlogin_r (char *__buf, size_t __buflen)
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__buflen))
-	return __getlogin_r_chk (__buf, __buflen, __bos (__buf));
+	return __getlogin_r_chk (__buf, __buflen, __glibc_objsize (__buf));
 
-      if (__buflen > __bos (__buf))
-	return __getlogin_r_chk_warn (__buf, __buflen, __bos (__buf));
+      if (__buflen > __glibc_objsize (__buf))
+	return __getlogin_r_chk_warn (__buf, __buflen,
+				      __glibc_objsize (__buf));
     }
   return __getlogin_r_alias (__buf, __buflen);
 }
@@ -354,13 +364,14 @@ extern int __REDIRECT_NTH (__gethostname_chk_warn,
 __fortify_function int
 __NTH (gethostname (char *__buf, size_t __buflen))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__buflen))
-	return __gethostname_chk (__buf, __buflen, __bos (__buf));
+	return __gethostname_chk (__buf, __buflen, __glibc_objsize (__buf));
 
-      if (__buflen > __bos (__buf))
-	return __gethostname_chk_warn (__buf, __buflen, __bos (__buf));
+      if (__buflen > __glibc_objsize (__buf))
+	return __gethostname_chk_warn (__buf, __buflen,
+				       __glibc_objsize (__buf));
     }
   return __gethostname_alias (__buf, __buflen);
 }
@@ -384,13 +395,14 @@ extern int __REDIRECT_NTH (__getdomainname_chk_warn,
 __fortify_function int
 __NTH (getdomainname (char *__buf, size_t __buflen))
 {
-  if (__bos (__buf) != (size_t) -1)
+  if (__glibc_objsize (__buf) != (size_t) -1)
     {
       if (!__builtin_constant_p (__buflen))
-	return __getdomainname_chk (__buf, __buflen, __bos (__buf));
+	return __getdomainname_chk (__buf, __buflen, __glibc_objsize (__buf));
 
-      if (__buflen > __bos (__buf))
-	return __getdomainname_chk_warn (__buf, __buflen, __bos (__buf));
+      if (__buflen > __glibc_objsize (__buf))
+	return __getdomainname_chk_warn (__buf, __buflen,
+					 __glibc_objsize (__buf));
     }
   return __getdomainname_alias (__buf, __buflen);
 }