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authorFrédéric Bérat <fberat@redhat.com>2023-06-07 11:06:50 +0200
committerFrédéric Bérat <fberat@redhat.com>2023-07-05 16:59:48 +0200
commit64f9857507f6dbf9715350b75e83b465be9b8f03 (patch)
treeb176a051eb3b8de0c0969766edc8dc1d889946d4 /include
parenteea000f6e69a829425fae25a7c2519f5c79551de (diff)
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wchar: Avoid PLT entries with _FORTIFY_SOURCE
The change is meant to avoid unwanted PLT entries for the wmemset and
wcrtomb routines when _FORTIFY_SOURCE is set.

On top of that, ensure that *_chk routines have their hidden builtin
definitions available.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'include')
-rw-r--r--include/wchar.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/wchar.h b/include/wchar.h
index 7b763bc24f..484e6b3fef 100644
--- a/include/wchar.h
+++ b/include/wchar.h
@@ -166,6 +166,8 @@ libc_hidden_proto (putwc)
 
 libc_hidden_proto (mbrtowc)
 libc_hidden_proto (wcrtomb)
+libc_hidden_proto (__wcrtomb_chk)
+
 extern int __wcscmp (const wchar_t *__s1, const wchar_t *__s2)
      __THROW __attribute_pure__;
 libc_hidden_proto (__wcscmp)
@@ -260,16 +262,25 @@ extern wchar_t *__wcschrnul (const wchar_t *__s, wchar_t __wc)
 
 extern wchar_t *__wmemset_chk (wchar_t *__s, wchar_t __c, size_t __n,
 			       size_t __ns) __THROW;
+libc_hidden_builtin_proto (__wmemset_chk)
 
 extern int __vfwscanf (__FILE *__restrict __s,
 		       const wchar_t *__restrict __format,
 		       __gnuc_va_list __arg)
      attribute_hidden
      /* __attribute__ ((__format__ (__wscanf__, 2, 0)) */;
+
+extern int __swprintf_chk (wchar_t *__restrict __s, size_t __n,
+			   int __flag, size_t __s_len,
+			   const wchar_t *__restrict __format, ...)
+     __THROW /* __attribute__ ((__format__ (__wprintf__, 5, 6))) */;
+
 extern int __fwprintf (__FILE *__restrict __s,
 		       const wchar_t *__restrict __format, ...)
      attribute_hidden
      /* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
+extern int __wprintf_chk (int __flag, const wchar_t *__restrict __format,
+			  ...);
 extern int __vfwprintf_chk (FILE *__restrict __s, int __flag,
 			    const wchar_t *__restrict __format,
 			    __gnuc_va_list __arg)
@@ -279,6 +290,10 @@ extern int __vswprintf_chk (wchar_t *__restrict __s, size_t __n,
 			    const wchar_t *__restrict __format,
 			    __gnuc_va_list __arg)
      /* __attribute__ ((__format__ (__wprintf__, 5, 0))) */;
+extern int __fwprintf_chk (__FILE *__restrict __stream, int __flag,
+			   const wchar_t *__restrict __format, ...);
+extern int __vwprintf_chk (int __flag, const wchar_t *__restrict __format,
+			   __gnuc_va_list __ap);
 
 extern int __isoc99_fwscanf (__FILE *__restrict __stream,
 			     const wchar_t *__restrict __format, ...);