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Diffstat (limited to 'posix')
-rw-r--r--posix/bits/unistd.h174
1 files changed, 39 insertions, 135 deletions
diff --git a/posix/bits/unistd.h b/posix/bits/unistd.h
index 622adeb2b2..697dcbbf7b 100644
--- a/posix/bits/unistd.h
+++ b/posix/bits/unistd.h
@@ -35,16 +35,9 @@ extern ssize_t __REDIRECT (__read_chk_warn,
 __fortify_function __wur ssize_t
 read (int __fd, void *__buf, size_t __nbytes)
 {
-  if (__glibc_objsize0 (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__nbytes))
-	return __read_chk (__fd, __buf, __nbytes, __glibc_objsize0 (__buf));
-
-      if (__nbytes > __glibc_objsize0 (__buf))
-	return __read_chk_warn (__fd, __buf, __nbytes,
-				__glibc_objsize0 (__buf));
-    }
-  return __read_alias (__fd, __buf, __nbytes);
+  return __glibc_fortify (read, __nbytes, sizeof (char),
+			  __glibc_objsize0 (__buf),
+			  __fd, __buf, __nbytes);
 }
 
 #ifdef __USE_UNIX98
@@ -78,34 +71,17 @@ extern ssize_t __REDIRECT (__pread64_chk_warn,
 __fortify_function __wur ssize_t
 pread (int __fd, void *__buf, size_t __nbytes, __off_t __offset)
 {
-  if (__glibc_objsize0 (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__nbytes))
-	return __pread_chk (__fd, __buf, __nbytes, __offset,
-			    __glibc_objsize0 (__buf));
-
-      if ( __nbytes > __glibc_objsize0 (__buf))
-	return __pread_chk_warn (__fd, __buf, __nbytes, __offset,
-				 __glibc_objsize0 (__buf));
-    }
-  return __pread_alias (__fd, __buf, __nbytes, __offset);
+  return __glibc_fortify (pread, __nbytes, sizeof (char),
+			  __glibc_objsize0 (__buf),
+			  __fd, __buf, __nbytes, __offset);
 }
 # else
 __fortify_function __wur ssize_t
 pread (int __fd, void *__buf, size_t __nbytes, __off64_t __offset)
 {
-  if (__glibc_objsize0 (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__nbytes))
-	return __pread64_chk (__fd, __buf, __nbytes, __offset,
-			      __glibc_objsize0 (__buf));
-
-      if ( __nbytes > __glibc_objsize0 (__buf))
-	return __pread64_chk_warn (__fd, __buf, __nbytes, __offset,
-				   __glibc_objsize0 (__buf));
-    }
-
-  return __pread64_alias (__fd, __buf, __nbytes, __offset);
+  return __glibc_fortify (pread64, __nbytes, sizeof (char),
+			  __glibc_objsize0 (__buf),
+			  __fd, __buf, __nbytes, __offset);
 }
 # endif
 
@@ -113,18 +89,9 @@ 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 (__glibc_objsize0 (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__nbytes))
-	return __pread64_chk (__fd, __buf, __nbytes, __offset,
-			      __glibc_objsize0 (__buf));
-
-      if ( __nbytes > __glibc_objsize0 (__buf))
-	return __pread64_chk_warn (__fd, __buf, __nbytes, __offset,
-				   __glibc_objsize0 (__buf));
-    }
-
-  return __pread64_alias (__fd, __buf, __nbytes, __offset);
+  return __glibc_fortify (pread64, __nbytes, sizeof (char),
+			  __glibc_objsize0 (__buf),
+			  __fd, __buf, __nbytes, __offset);
 }
 # endif
 #endif
@@ -149,16 +116,9 @@ __fortify_function __nonnull ((1, 2)) __wur ssize_t
 __NTH (readlink (const char *__restrict __path, char *__restrict __buf,
 		 size_t __len))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __readlink_chk (__path, __buf, __len, __glibc_objsize (__buf));
-
-      if ( __len > __glibc_objsize (__buf))
-	return __readlink_chk_warn (__path, __buf, __len,
-				    __glibc_objsize (__buf));
-    }
-  return __readlink_alias (__path, __buf, __len);
+  return __glibc_fortify (readlink, __len, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __path, __buf, __len);
 }
 #endif
 
@@ -184,17 +144,9 @@ __fortify_function __nonnull ((2, 3)) __wur ssize_t
 __NTH (readlinkat (int __fd, const char *__restrict __path,
 		   char *__restrict __buf, size_t __len))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __readlinkat_chk (__fd, __path, __buf, __len,
-				 __glibc_objsize (__buf));
-
-      if (__len > __glibc_objsize (__buf))
-	return __readlinkat_chk_warn (__fd, __path, __buf, __len,
-				      __glibc_objsize (__buf));
-    }
-  return __readlinkat_alias (__fd, __path, __buf, __len);
+  return __glibc_fortify (readlinkat, __len, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __fd, __path, __buf, __len);
 }
 #endif
 
@@ -211,15 +163,9 @@ extern char *__REDIRECT_NTH (__getcwd_chk_warn,
 __fortify_function __wur char *
 __NTH (getcwd (char *__buf, size_t __size))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__size))
-	return __getcwd_chk (__buf, __size, __glibc_objsize (__buf));
-
-      if (__size > __glibc_objsize (__buf))
-	return __getcwd_chk_warn (__buf, __size, __glibc_objsize (__buf));
-    }
-  return __getcwd_alias (__buf, __size);
+  return __glibc_fortify (getcwd, __size, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __buf, __size);
 }
 
 #if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
@@ -253,16 +199,9 @@ extern size_t __REDIRECT_NTH (__confstr_chk_warn,
 __fortify_function size_t
 __NTH (confstr (int __name, char *__buf, size_t __len))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __confstr_chk (__name, __buf, __len, __glibc_objsize (__buf));
-
-      if (__glibc_objsize (__buf) < __len)
-	return __confstr_chk_warn (__name, __buf, __len,
-				   __glibc_objsize (__buf));
-    }
-  return __confstr_alias (__name, __buf, __len);
+  return __glibc_fortify (confstr, __len, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __name, __buf, __len);
 }
 
 
@@ -279,15 +218,9 @@ extern int __REDIRECT_NTH (__getgroups_chk_warn,
 __fortify_function int
 __NTH (getgroups (int __size, __gid_t __list[]))
 {
-  if (__glibc_objsize (__list) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__size) || __size < 0)
-	return __getgroups_chk (__size, __list, __glibc_objsize (__list));
-
-      if (__size * sizeof (__gid_t) > __glibc_objsize (__list))
-	return __getgroups_chk_warn (__size, __list, __glibc_objsize (__list));
-    }
-  return __getgroups_alias (__size, __list);
+  return __glibc_fortify (getgroups, __size, sizeof (__gid_t),
+			  __glibc_objsize (__list),
+			  __size, __list);
 }
 
 
@@ -306,17 +239,9 @@ extern int __REDIRECT_NTH (__ttyname_r_chk_warn,
 __fortify_function int
 __NTH (ttyname_r (int __fd, char *__buf, size_t __buflen))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__buflen))
-	return __ttyname_r_chk (__fd, __buf, __buflen,
-				__glibc_objsize (__buf));
-
-      if (__buflen > __glibc_objsize (__buf))
-	return __ttyname_r_chk_warn (__fd, __buf, __buflen,
-				     __glibc_objsize (__buf));
-    }
-  return __ttyname_r_alias (__fd, __buf, __buflen);
+  return __glibc_fortify (ttyname_r, __buflen, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __fd, __buf, __buflen);
 }
 
 
@@ -334,16 +259,9 @@ extern int __REDIRECT (__getlogin_r_chk_warn,
 __fortify_function int
 getlogin_r (char *__buf, size_t __buflen)
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__buflen))
-	return __getlogin_r_chk (__buf, __buflen, __glibc_objsize (__buf));
-
-      if (__buflen > __glibc_objsize (__buf))
-	return __getlogin_r_chk_warn (__buf, __buflen,
-				      __glibc_objsize (__buf));
-    }
-  return __getlogin_r_alias (__buf, __buflen);
+  return __glibc_fortify (getlogin_r, __buflen, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __buf, __buflen);
 }
 #endif
 
@@ -363,16 +281,9 @@ extern int __REDIRECT_NTH (__gethostname_chk_warn,
 __fortify_function int
 __NTH (gethostname (char *__buf, size_t __buflen))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__buflen))
-	return __gethostname_chk (__buf, __buflen, __glibc_objsize (__buf));
-
-      if (__buflen > __glibc_objsize (__buf))
-	return __gethostname_chk_warn (__buf, __buflen,
-				       __glibc_objsize (__buf));
-    }
-  return __gethostname_alias (__buf, __buflen);
+  return __glibc_fortify (gethostname, __buflen, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __buf, __buflen);
 }
 #endif
 
@@ -394,15 +305,8 @@ extern int __REDIRECT_NTH (__getdomainname_chk_warn,
 __fortify_function int
 __NTH (getdomainname (char *__buf, size_t __buflen))
 {
-  if (__glibc_objsize (__buf) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__buflen))
-	return __getdomainname_chk (__buf, __buflen, __glibc_objsize (__buf));
-
-      if (__buflen > __glibc_objsize (__buf))
-	return __getdomainname_chk_warn (__buf, __buflen,
-					 __glibc_objsize (__buf));
-    }
-  return __getdomainname_alias (__buf, __buflen);
+  return __glibc_fortify (getdomainname, __buflen, sizeof (char),
+			  __glibc_objsize (__buf),
+			  __buf, __buflen);
 }
 #endif
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-06-28 10:23:34 +0000