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-rw-r--r--wcsmbs/bits/wchar2.h219
1 files changed, 61 insertions, 158 deletions
diff --git a/wcsmbs/bits/wchar2.h b/wcsmbs/bits/wchar2.h
index ea2518dc72..26012ef936 100644
--- a/wcsmbs/bits/wchar2.h
+++ b/wcsmbs/bits/wchar2.h
@@ -39,17 +39,9 @@ __fortify_function wchar_t *
 __NTH (wmemcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2,
 		size_t __n))
 {
-  if (__glibc_objsize0 (__s1) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n))
-	return __wmemcpy_chk (__s1, __s2, __n,
-			      __glibc_objsize0 (__s1) / sizeof (wchar_t));
-
-      if (__n > __glibc_objsize0 (__s1) / sizeof (wchar_t))
-	return __wmemcpy_chk_warn (__s1, __s2, __n,
-				   __glibc_objsize0 (__s1) / sizeof (wchar_t));
-    }
-  return __wmemcpy_alias (__s1, __s2, __n);
+  return __glibc_fortify_n (wmemcpy, __n, sizeof (wchar_t),
+			    __glibc_objsize0 (__s1),
+			    __s1, __s2, __n);
 }
 
 
@@ -67,18 +59,9 @@ extern wchar_t *__REDIRECT_NTH (__wmemmove_chk_warn,
 __fortify_function wchar_t *
 __NTH (wmemmove (wchar_t *__s1, const wchar_t *__s2, size_t __n))
 {
-  if (__glibc_objsize0 (__s1) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n))
-	return __wmemmove_chk (__s1, __s2, __n,
-			       __glibc_objsize0 (__s1) / sizeof (wchar_t));
-
-      if (__n > __glibc_objsize0 (__s1) / sizeof (wchar_t))
-	return __wmemmove_chk_warn (__s1, __s2, __n,
-				    (__glibc_objsize0 (__s1)
-				     / sizeof (wchar_t)));
-    }
-  return __wmemmove_alias (__s1, __s2, __n);
+  return __glibc_fortify_n (wmemmove, __n, sizeof (wchar_t),
+			    __glibc_objsize0 (__s1),
+			    __s1, __s2, __n);
 }
 
 
@@ -101,18 +84,9 @@ __fortify_function wchar_t *
 __NTH (wmempcpy (wchar_t *__restrict __s1, const wchar_t *__restrict __s2,
 		 size_t __n))
 {
-  if (__glibc_objsize0 (__s1) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n))
-	return __wmempcpy_chk (__s1, __s2, __n,
-			       __glibc_objsize0 (__s1) / sizeof (wchar_t));
-
-      if (__n > __glibc_objsize0 (__s1) / sizeof (wchar_t))
-	return __wmempcpy_chk_warn (__s1, __s2, __n,
-				    (__glibc_objsize0 (__s1)
-				     / sizeof (wchar_t)));
-    }
-  return __wmempcpy_alias (__s1, __s2, __n);
+  return __glibc_fortify_n (wmempcpy, __n, sizeof (wchar_t),
+			    __glibc_objsize0 (__s1),
+			    __s1, __s2, __n);
 }
 #endif
 
@@ -130,17 +104,9 @@ extern wchar_t *__REDIRECT_NTH (__wmemset_chk_warn,
 __fortify_function wchar_t *
 __NTH (wmemset (wchar_t *__s, wchar_t __c, size_t __n))
 {
-  if (__glibc_objsize0 (__s) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n))
-	return __wmemset_chk (__s, __c, __n,
-			      __glibc_objsize0 (__s) / sizeof (wchar_t));
-
-      if (__n > __glibc_objsize0 (__s) / sizeof (wchar_t))
-	return __wmemset_chk_warn (__s, __c, __n,
-				   __glibc_objsize0 (__s) / sizeof (wchar_t));
-    }
-  return __wmemset_alias (__s, __c, __n);
+  return __glibc_fortify_n (wmemset, __n, sizeof (wchar_t),
+			    __glibc_objsize0 (__s),
+			    __s, __c, __n);
 }
 
 
@@ -154,9 +120,9 @@ extern wchar_t *__REDIRECT_NTH (__wcscpy_alias,
 __fortify_function wchar_t *
 __NTH (wcscpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
 {
-  if (__glibc_objsize (__dest) != (size_t) -1)
-    return __wcscpy_chk (__dest, __src,
-			 __glibc_objsize (__dest) / sizeof (wchar_t));
+  size_t sz = __glibc_objsize (__dest);
+  if (sz != (size_t) -1)
+    return __wcscpy_chk (__dest, __src, sz / sizeof (wchar_t));
   return __wcscpy_alias (__dest, __src);
 }
 
@@ -171,9 +137,9 @@ extern wchar_t *__REDIRECT_NTH (__wcpcpy_alias,
 __fortify_function wchar_t *
 __NTH (wcpcpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
 {
-  if (__glibc_objsize (__dest) != (size_t) -1)
-    return __wcpcpy_chk (__dest, __src,
-			 __glibc_objsize (__dest) / sizeof (wchar_t));
+  size_t sz = __glibc_objsize (__dest);
+  if (sz != (size_t) -1)
+    return __wcpcpy_chk (__dest, __src, sz / sizeof (wchar_t));
   return __wcpcpy_alias (__dest, __src);
 }
 
@@ -196,17 +162,9 @@ __fortify_function wchar_t *
 __NTH (wcsncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
 		size_t __n))
 {
-  if (__glibc_objsize (__dest) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n))
-	return __wcsncpy_chk (__dest, __src, __n,
-			      __glibc_objsize (__dest) / sizeof (wchar_t));
-      if (__n > __glibc_objsize (__dest) / sizeof (wchar_t))
-	return __wcsncpy_chk_warn (__dest, __src, __n,
-				   (__glibc_objsize (__dest)
-				    / sizeof (wchar_t)));
-    }
-  return __wcsncpy_alias (__dest, __src, __n);
+  return __glibc_fortify_n (wcsncpy, __n, sizeof (wchar_t),
+			    __glibc_objsize (__dest),
+			    __dest, __src, __n);
 }
 
 
@@ -228,17 +186,9 @@ __fortify_function wchar_t *
 __NTH (wcpncpy (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
 		size_t __n))
 {
-  if (__glibc_objsize (__dest) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n))
-	return __wcpncpy_chk (__dest, __src, __n,
-			      __glibc_objsize (__dest) / sizeof (wchar_t));
-      if (__n > __glibc_objsize (__dest) / sizeof (wchar_t))
-	return __wcpncpy_chk_warn (__dest, __src, __n,
-				   (__glibc_objsize (__dest)
-				    / sizeof (wchar_t)));
-    }
-  return __wcpncpy_alias (__dest, __src, __n);
+  return __glibc_fortify_n (wcpncpy, __n, sizeof (wchar_t),
+			    __glibc_objsize (__dest),
+			    __dest, __src, __n);
 }
 
 
@@ -252,9 +202,9 @@ extern wchar_t *__REDIRECT_NTH (__wcscat_alias,
 __fortify_function wchar_t *
 __NTH (wcscat (wchar_t *__restrict __dest, const wchar_t *__restrict __src))
 {
-  if (__glibc_objsize (__dest) != (size_t) -1)
-    return __wcscat_chk (__dest, __src,
-			 __glibc_objsize (__dest) / sizeof (wchar_t));
+  size_t sz = __glibc_objsize (__dest);
+  if (sz != (size_t) -1)
+    return __wcscat_chk (__dest, __src, sz / sizeof (wchar_t));
   return __wcscat_alias (__dest, __src);
 }
 
@@ -271,9 +221,9 @@ __fortify_function wchar_t *
 __NTH (wcsncat (wchar_t *__restrict __dest, const wchar_t *__restrict __src,
 		size_t __n))
 {
-  if (__glibc_objsize (__dest) != (size_t) -1)
-    return __wcsncat_chk (__dest, __src, __n,
-			  __glibc_objsize (__dest) / sizeof (wchar_t));
+  size_t sz = __glibc_objsize (__dest);
+  if (sz != (size_t) -1)
+    return __wcsncat_chk (__dest, __src, __n, sz / sizeof (wchar_t));
   return __wcsncat_alias (__dest, __src, __n);
 }
 
@@ -293,10 +243,10 @@ __fortify_function int
 __NTH (swprintf (wchar_t *__restrict __s, size_t __n,
 		 const wchar_t *__restrict __fmt, ...))
 {
-  if (__glibc_objsize (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
+  size_t sz = __glibc_objsize (__s);
+  if (sz != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
     return __swprintf_chk (__s, __n, __USE_FORTIFY_LEVEL - 1,
-			   __glibc_objsize (__s) / sizeof (wchar_t),
-			   __fmt, __va_arg_pack ());
+			   sz / sizeof (wchar_t), __fmt, __va_arg_pack ());
   return __swprintf_alias (__s, __n, __fmt, __va_arg_pack ());
 }
 #elif !defined __cplusplus
@@ -323,10 +273,10 @@ __fortify_function int
 __NTH (vswprintf (wchar_t *__restrict __s, size_t __n,
 		  const wchar_t *__restrict __fmt, __gnuc_va_list __ap))
 {
-  if (__glibc_objsize (__s) != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
+  size_t sz = __glibc_objsize (__s);
+  if (sz != (size_t) -1 || __USE_FORTIFY_LEVEL > 1)
     return __vswprintf_chk (__s, __n,  __USE_FORTIFY_LEVEL - 1,
-			    __glibc_objsize (__s) / sizeof (wchar_t), __fmt,
-			    __ap);
+			    sz / sizeof (wchar_t), __fmt, __ap);
   return __vswprintf_alias (__s, __n, __fmt, __ap);
 }
 
@@ -392,18 +342,12 @@ extern wchar_t *__REDIRECT (__fgetws_chk_warn,
 __fortify_function __wur wchar_t *
 fgetws (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
 {
-  if (__glibc_objsize (__s) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n) || __n <= 0)
-	return __fgetws_chk (__s, __glibc_objsize (__s) / sizeof (wchar_t),
-			     __n, __stream);
-
-      if ((size_t) __n > __glibc_objsize (__s) / sizeof (wchar_t))
-	return __fgetws_chk_warn (__s,
-				  __glibc_objsize (__s) / sizeof (wchar_t),
-				  __n, __stream);
-    }
-  return __fgetws_alias (__s, __n, __stream);
+  size_t sz = __glibc_objsize (__s);
+  if (__glibc_safe_or_unknown_len (__n, sizeof (wchar_t), sz))
+    return __fgetws_alias (__s, __n, __stream);
+  if (__glibc_unsafe_len (__n, sizeof (wchar_t), sz))
+    return __fgetws_chk_warn (__s, sz / sizeof (wchar_t), __n, __stream);
+  return __fgetws_chk (__s, sz / sizeof (wchar_t), __n, __stream);
 }
 
 #ifdef __USE_GNU
@@ -424,20 +368,13 @@ extern wchar_t *__REDIRECT (__fgetws_unlocked_chk_warn,
 __fortify_function __wur wchar_t *
 fgetws_unlocked (wchar_t *__restrict __s, int __n, __FILE *__restrict __stream)
 {
-  if (__glibc_objsize (__s) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__n) || __n <= 0)
-	return __fgetws_unlocked_chk (__s,
-				      __glibc_objsize (__s) / sizeof (wchar_t),
-				      __n, __stream);
-
-      if ((size_t) __n > __glibc_objsize (__s) / sizeof (wchar_t))
-	return __fgetws_unlocked_chk_warn (__s,
-					   (__glibc_objsize (__s)
-					    / sizeof (wchar_t)),
-					   __n, __stream);
-    }
-  return __fgetws_unlocked_alias (__s, __n, __stream);
+  size_t sz = __glibc_objsize (__s);
+  if (__glibc_safe_or_unknown_len (__n, sizeof (wchar_t), sz))
+    return __fgetws_unlocked_alias (__s, __n, __stream);
+  if (__glibc_unsafe_len (__n, sizeof (wchar_t), sz))
+    return __fgetws_unlocked_chk_warn (__s, sz / sizeof (wchar_t), __n,
+				       __stream);
+  return __fgetws_unlocked_chk (__s, sz / sizeof (wchar_t), __n, __stream);
 }
 #endif
 
@@ -488,18 +425,9 @@ __fortify_function size_t
 __NTH (mbsrtowcs (wchar_t *__restrict __dst, const char **__restrict __src,
 		  size_t __len, mbstate_t *__restrict __ps))
 {
-  if (__glibc_objsize (__dst) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __mbsrtowcs_chk (__dst, __src, __len, __ps,
-				__glibc_objsize (__dst) / sizeof (wchar_t));
-
-      if (__len > __glibc_objsize (__dst) / sizeof (wchar_t))
-	return __mbsrtowcs_chk_warn (__dst, __src, __len, __ps,
-				     (__glibc_objsize (__dst)
-				      / sizeof (wchar_t)));
-    }
-  return __mbsrtowcs_alias (__dst, __src, __len, __ps);
+  return __glibc_fortify_n (mbsrtowcs, __len, sizeof (wchar_t),
+			    __glibc_objsize (__dst),
+			    __dst, __src, __len, __ps);
 }
 
 
@@ -523,17 +451,9 @@ __fortify_function size_t
 __NTH (wcsrtombs (char *__restrict __dst, const wchar_t **__restrict __src,
 		  size_t __len, mbstate_t *__restrict __ps))
 {
-  if (__glibc_objsize (__dst) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __wcsrtombs_chk (__dst, __src, __len, __ps,
-				__glibc_objsize (__dst));
-
-      if (__len > __glibc_objsize (__dst))
-	return __wcsrtombs_chk_warn (__dst, __src, __len, __ps,
-				     __glibc_objsize (__dst));
-    }
-  return __wcsrtombs_alias (__dst, __src, __len, __ps);
+  return __glibc_fortify (wcsrtombs, __len, sizeof (char),
+			  __glibc_objsize (__dst),
+			  __dst, __src, __len, __ps);
 }
 
 
@@ -559,18 +479,9 @@ __fortify_function size_t
 __NTH (mbsnrtowcs (wchar_t *__restrict __dst, const char **__restrict __src,
 		   size_t __nmc, size_t __len, mbstate_t *__restrict __ps))
 {
-  if (__glibc_objsize (__dst) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __mbsnrtowcs_chk (__dst, __src, __nmc, __len, __ps,
-				 __glibc_objsize (__dst) / sizeof (wchar_t));
-
-      if (__len > __glibc_objsize (__dst) / sizeof (wchar_t))
-	return __mbsnrtowcs_chk_warn (__dst, __src, __nmc, __len, __ps,
-				      (__glibc_objsize (__dst)
-				       / sizeof (wchar_t)));
-    }
-  return __mbsnrtowcs_alias (__dst, __src, __nmc, __len, __ps);
+  return __glibc_fortify_n (mbsnrtowcs, __len, sizeof (wchar_t),
+			    __glibc_objsize (__dst),
+			    __dst, __src, __nmc, __len, __ps);
 }
 
 
@@ -596,16 +507,8 @@ __fortify_function size_t
 __NTH (wcsnrtombs (char *__restrict __dst, const wchar_t **__restrict __src,
 		   size_t __nwc, size_t __len, mbstate_t *__restrict __ps))
 {
-  if (__glibc_objsize (__dst) != (size_t) -1)
-    {
-      if (!__builtin_constant_p (__len))
-	return __wcsnrtombs_chk (__dst, __src, __nwc, __len, __ps,
-				 __glibc_objsize (__dst));
-
-      if (__len > __glibc_objsize (__dst))
-	return __wcsnrtombs_chk_warn (__dst, __src, __nwc, __len, __ps,
-				      __glibc_objsize (__dst));
-    }
-  return __wcsnrtombs_alias (__dst, __src, __nwc, __len, __ps);
+  return __glibc_fortify (wcsnrtombs, __len, sizeof (char),
+			  __glibc_objsize (__dst),
+			  __dst, __src, __nwc, __len, __ps);
 }
 #endif
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-06-14 21:22:50 +0000