cstdio (gets): Provide only in C++98 and C++11.

2013-04-26  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/c_global/cstdio (gets): Provide only in C++98 and C++11.
	* include/c_std/cstdio (gets): Likewise.
	* testsuite/27_io/headers/cstdio/functions_std.cc: Adjust.

From-SVN: r198335

libstdc++-v3/ChangeLog

+2013-04-26  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/c_global/cstdio (gets): Provide only in C++98 and C++11.
+	* include/c_std/cstdio (gets): Likewise.
+	* testsuite/27_io/headers/cstdio/functions_std.cc: Adjust.
+
 2013-04-25  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR libstdc++/57065

libstdc++-v3/include/c_global/cstdio

@@ -69,7 +69,9 @@ extern "C" char* gets (char* __s) __attribute__((deprecated));
 #undef ftell
 #undef fwrite
 #undef getc
-#undef gets
+#if __cplusplus <= 201103L
+# undef gets
+#endif
 #undef perror
 #undef printf
 #undef putc
@@ -116,7 +118,9 @@ namespace std
   using ::fwrite;
   using ::getc;
   using ::getchar;
+#if __cplusplus <= 201103L
   using ::gets;
+#endif
   using ::perror;
   using ::printf;
   using ::putc;

libstdc++-v3/include/c_std/cstdio

@@ -70,7 +70,9 @@ extern "C" char* gets (char* __s) __attribute__((deprecated));
 #undef fwrite
 #undef getc
 #undef getchar
-#undef gets
+#if __cplusplus <= 201103L
+# undef gets
+#endif
 #undef perror
 #undef printf
 #undef putc
@@ -117,7 +119,9 @@ namespace std
   using ::fwrite;
   using ::getc;
   using ::getchar;
+#if __cplusplus <= 201103L
   using ::gets;
+#endif
   using ::perror;
   using ::printf;
   using ::putc;

libstdc++-v3/testsuite/27_io/headers/cstdio/functions_std.cc

@@ -24,8 +24,10 @@ namespace gnu
   using std::clearerr; 
   using std::tmpfile; 
   using std::fgets; 
-  using std::fscanf; 
-  using std::gets; 
+  using std::fscanf;
+#if __cplusplus <= 201103L
+  using std::gets;
+#endif
   using std::rename;
   using std::fclose; 
   using std::fopen;