libio/bits/stdio2.h: Clearly separate declaration from definitions

Move declarations from libio/bits/stdio.h to existing
libio/bits/stdio2-decl.h. This will enable future use of
__REDIRECT_FORTIFY in place of some __REDIRECT.

Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>

2 files changed, 49 insertions, 48 deletions

diff --git a/libio/bits/stdio2-decl.h b/libio/bits/stdio2-decl.h
index 9d4668da21..114b06d24b 100644
--- a/libio/bits/stdio2-decl.h
+++ b/libio/bits/stdio2-decl.h
@@ -84,18 +84,55 @@ extern int __obstack_vprintf_chk (struct obstack *__restrict __obstack,
 #endif
 
 #if __GLIBC_USE (DEPRECATED_GETS)
+extern char *__REDIRECT (__gets_warn, (char *__str), gets)
+     __wur __warnattr ("please use fgets or getline instead, gets can't "
+		       "specify buffer size");
+
 extern char *__gets_chk (char *__str, size_t) __wur;
 #endif
 
+extern char *__REDIRECT (__fgets_alias,
+			 (char *__restrict __s, int __n,
+			  FILE *__restrict __stream), fgets)
+    __wur __attr_access ((__write_only__, 1, 2));
+extern char *__REDIRECT (__fgets_chk_warn,
+			 (char *__restrict __s, size_t __size, int __n,
+			  FILE *__restrict __stream), __fgets_chk)
+     __wur __warnattr ("fgets called with bigger size than length "
+		       "of destination buffer");
+
 extern char *__fgets_chk (char *__restrict __s, size_t __size, int __n,
 			  FILE *__restrict __stream)
     __wur __attr_access ((__write_only__, 1, 3));
 
+extern size_t __REDIRECT (__fread_alias,
+			  (void *__restrict __ptr, size_t __size,
+			   size_t __n, FILE *__restrict __stream),
+			  fread) __wur;
+extern size_t __REDIRECT (__fread_chk_warn,
+			  (void *__restrict __ptr, size_t __ptrlen,
+			   size_t __size, size_t __n,
+			   FILE *__restrict __stream),
+			  __fread_chk)
+     __wur __warnattr ("fread called with bigger size * nmemb than length "
+		       "of destination buffer");
+
 extern size_t __fread_chk (void *__restrict __ptr, size_t __ptrlen,
 			   size_t __size, size_t __n,
 			   FILE *__restrict __stream) __wur;
 
 #ifdef __USE_GNU
+extern char *__REDIRECT (__fgets_unlocked_alias,
+			 (char *__restrict __s, int __n,
+			  FILE *__restrict __stream), fgets_unlocked)
+    __wur __attr_access ((__write_only__, 1, 2));
+extern char *__REDIRECT (__fgets_unlocked_chk_warn,
+			 (char *__restrict __s, size_t __size, int __n,
+			  FILE *__restrict __stream), __fgets_unlocked_chk)
+     __wur __warnattr ("fgets_unlocked called with bigger size than length "
+		       "of destination buffer");
+
+
 extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
 				   int __n, FILE *__restrict __stream)
     __wur __attr_access ((__write_only__, 1, 3));
@@ -103,6 +140,18 @@ extern char *__fgets_unlocked_chk (char *__restrict __s, size_t __size,
 
 #ifdef __USE_MISC
 # undef fread_unlocked
+extern size_t __REDIRECT (__fread_unlocked_alias,
+			  (void *__restrict __ptr, size_t __size,
+			   size_t __n, FILE *__restrict __stream),
+			  fread_unlocked) __wur;
+extern size_t __REDIRECT (__fread_unlocked_chk_warn,
+			  (void *__restrict __ptr, size_t __ptrlen,
+			   size_t __size, size_t __n,
+			   FILE *__restrict __stream),
+			  __fread_unlocked_chk)
+     __wur __warnattr ("fread_unlocked called with bigger size * nmemb than "
+		       "length of destination buffer");
+
 extern size_t __fread_unlocked_chk (void *__restrict __ptr, size_t __ptrlen,
 				    size_t __size, size_t __n,
 				    FILE *__restrict __stream) __wur;
diff --git a/libio/bits/stdio2.h b/libio/bits/stdio2.h
index ad85f7df8b..71226408ab 100644
--- a/libio/bits/stdio2.h
+++ b/libio/bits/stdio2.h
@@ -182,10 +182,6 @@ __NTH (obstack_vprintf (struct obstack *__restrict __obstack,
 #endif
 
 #if __GLIBC_USE (DEPRECATED_GETS)
-extern char *__REDIRECT (__gets_warn, (char *__str), gets)
-     __wur __warnattr ("please use fgets or getline instead, gets can't "
-		       "specify buffer size");
-
 __fortify_function __wur char *
 gets (char *__str)
 {
@@ -195,16 +191,6 @@ gets (char *__str)
 }
 #endif
 
-extern char *__REDIRECT (__fgets_alias,
-			 (char *__restrict __s, int __n,
-			  FILE *__restrict __stream), fgets)
-    __wur __attr_access ((__write_only__, 1, 2));
-extern char *__REDIRECT (__fgets_chk_warn,
-			 (char *__restrict __s, size_t __size, int __n,
-			  FILE *__restrict __stream), __fgets_chk)
-     __wur __warnattr ("fgets called with bigger size than length "
-		       "of destination buffer");
-
 __fortify_function __wur __fortified_attr_access (__write_only__, 1, 2) char *
 fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
 {
@@ -216,18 +202,6 @@ fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
   return __fgets_chk (__s, sz, __n, __stream);
 }
 
-extern size_t __REDIRECT (__fread_alias,
-			  (void *__restrict __ptr, size_t __size,
-			   size_t __n, FILE *__restrict __stream),
-			  fread) __wur;
-extern size_t __REDIRECT (__fread_chk_warn,
-			  (void *__restrict __ptr, size_t __ptrlen,
-			   size_t __size, size_t __n,
-			   FILE *__restrict __stream),
-			  __fread_chk)
-     __wur __warnattr ("fread called with bigger size * nmemb than length "
-		       "of destination buffer");
-
 __fortify_function __wur size_t
 fread (void *__restrict __ptr, size_t __size, size_t __n,
        FILE *__restrict __stream)
@@ -241,16 +215,6 @@ fread (void *__restrict __ptr, size_t __size, size_t __n,
 }
 
 #ifdef __USE_GNU
-extern char *__REDIRECT (__fgets_unlocked_alias,
-			 (char *__restrict __s, int __n,
-			  FILE *__restrict __stream), fgets_unlocked)
-    __wur __attr_access ((__write_only__, 1, 2));
-extern char *__REDIRECT (__fgets_unlocked_chk_warn,
-			 (char *__restrict __s, size_t __size, int __n,
-			  FILE *__restrict __stream), __fgets_unlocked_chk)
-     __wur __warnattr ("fgets_unlocked called with bigger size than length "
-		       "of destination buffer");
-
 __fortify_function __wur __fortified_attr_access (__write_only__, 1, 2) char *
 fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream)
 {
@@ -265,18 +229,6 @@ fgets_unlocked (char *__restrict __s, int __n, FILE *__restrict __stream)
 
 #ifdef __USE_MISC
 # undef fread_unlocked
-extern size_t __REDIRECT (__fread_unlocked_alias,
-			  (void *__restrict __ptr, size_t __size,
-			   size_t __n, FILE *__restrict __stream),
-			  fread_unlocked) __wur;
-extern size_t __REDIRECT (__fread_unlocked_chk_warn,
-			  (void *__restrict __ptr, size_t __ptrlen,
-			   size_t __size, size_t __n,
-			   FILE *__restrict __stream),
-			  __fread_unlocked_chk)
-     __wur __warnattr ("fread_unlocked called with bigger size * nmemb than "
-		       "length of destination buffer");
-
 __fortify_function __wur size_t
 fread_unlocked (void *__restrict __ptr, size_t __size, size_t __n,
 		FILE *__restrict __stream)