- pull wur settings from upstream. No other changes.

include/stdio.h

@@ -154,27 +154,27 @@ __BEGIN_NAMESPACE_STD
    This function is a possible cancellation points and therefore not
    marked with __THROW.  */
 #ifndef __USE_FILE_OFFSET64
-extern FILE *tmpfile (void);
+extern FILE *tmpfile (void) __wur;
 #else
 # ifdef __REDIRECT
-extern FILE *__REDIRECT (tmpfile, (void), tmpfile64);
+extern FILE *__REDIRECT (tmpfile, (void), tmpfile64) __wur;
 # else
 #  define tmpfile tmpfile64
 # endif
 #endif
 
 #ifdef __USE_LARGEFILE64
-extern FILE *tmpfile64 (void);
+extern FILE *tmpfile64 (void) __wur;
 #endif
 
 /* Generate a temporary filename.  */
-extern char *tmpnam (char *__s) __THROW;
+extern char *tmpnam (char *__s) __THROW __wur;
 __END_NAMESPACE_STD
 
 #ifdef __USE_MISC
 /* This is the reentrant variant of `tmpnam'.  The only difference is
    that it does not allow S to be NULL.  */
-extern char *tmpnam_r (char *__s) __THROW;
+extern char *tmpnam_r (char *__s) __THROW __wur;
 #endif
 
 
@@ -187,7 +187,7 @@ extern char *tmpnam_r (char *__s) __THROW;
    P_tmpdir is tried and finally "/tmp".  The storage for the filename
    is allocated by `malloc'.  */
 extern char *tempnam (__const char *__dir, __const char *__pfx)
-     __THROW __attribute_malloc__;
+     __THROW __attribute_malloc__ __wur;
 #endif
 
 
@@ -232,21 +232,23 @@ __BEGIN_NAMESPACE_STD
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
 extern FILE *fopen (__const char *__restrict __filename,
-		    __const char *__restrict __modes);
+		    __const char *__restrict __modes) __wur;
 /* Open a file, replacing an existing stream with it.
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
 extern FILE *freopen (__const char *__restrict __filename,
 		      __const char *__restrict __modes,
-		      FILE *__restrict __stream);
+		      FILE *__restrict __stream) __wur;
 #else
 # ifdef __REDIRECT
 extern FILE *__REDIRECT (fopen, (__const char *__restrict __filename,
-				 __const char *__restrict __modes), fopen64);
+				 __const char *__restrict __modes), fopen64)
+  __wur;
 extern FILE *__REDIRECT (freopen, (__const char *__restrict __filename,
 				   __const char *__restrict __modes,
-				   FILE *__restrict __stream), freopen64);
+				   FILE *__restrict __stream), freopen64)
+  __wur;
 # else
 #  define fopen fopen64
 #  define freopen freopen64
@@ -255,15 +257,15 @@ extern FILE *__REDIRECT (freopen, (__const char *__restrict __filename,
 __END_NAMESPACE_STD
 #ifdef __USE_LARGEFILE64
 extern FILE *fopen64 (__const char *__restrict __filename,
-		      __const char *__restrict __modes);
+		      __const char *__restrict __modes) __wur;
 extern FILE *freopen64 (__const char *__restrict __filename,
 			__const char *__restrict __modes,
-			FILE *__restrict __stream);
+			FILE *__restrict __stream) __wur;
 #endif
 
 #ifdef	__USE_POSIX
 /* Create a new stream that refers to an existing system file descriptor.  */
-extern FILE *fdopen (int __fd, __const char *__modes) __THROW;
+extern FILE *fdopen (int __fd, __const char *__modes) __THROW __wur;
 #endif
 
 #ifdef	__USE_GNU
@@ -272,16 +274,17 @@ extern FILE *fdopen (int __fd, __const char *__modes) __THROW;
    and uses the given functions for input and output.  */
 extern FILE *fopencookie (void *__restrict __magic_cookie,
 			  __const char *__restrict __modes,
-			  _IO_cookie_io_functions_t __io_funcs) __THROW;
+			  _IO_cookie_io_functions_t __io_funcs) __THROW __wur;
 
 /* Create a new stream that refers to a memory buffer.  */
-extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes) __THROW;
+extern FILE *fmemopen (void *__s, size_t __len, __const char *__modes)
+  __THROW __wur;
 
 /* Open a stream that writes into a malloc'd buffer that is expanded as
    necessary.  *BUFLOC and *SIZELOC are updated with the buffer's location
    and the number of characters written on fflush or fclose.  */
 extern FILE *open_memstream (char **__restrict __bufloc,
-			     size_t *__restrict __sizeloc) __THROW;
+			     size_t *__restrict __sizeloc) __THROW __wur;
 #endif
 #endif
 
@@ -358,15 +361,15 @@ __END_NAMESPACE_C99
    Store the address of the string in *PTR.  */
 extern int vasprintf (char **__restrict __ptr, __const char *__restrict __f,
 		      __gnuc_va_list __arg)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 0)));
+     __THROW __attribute__ ((__format__ (__printf__, 2, 0))) __wur;
 #if 0 /* uClibc: disabled */
 extern int __asprintf (char **__restrict __ptr,
 		       __const char *__restrict __fmt, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
+     __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
 #endif
 extern int asprintf (char **__restrict __ptr,
 		     __const char *__restrict __fmt, ...)
-     __THROW __attribute__ ((__format__ (__printf__, 2, 3)));
+     __THROW __attribute__ ((__format__ (__printf__, 2, 3))) __wur;
 
 /* Write formatted output to a file descriptor.
 
@@ -388,12 +391,12 @@ __BEGIN_NAMESPACE_STD
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
 extern int fscanf (FILE *__restrict __stream,
-		   __const char *__restrict __format, ...);
+		   __const char *__restrict __format, ...) __wur;
 /* Read formatted input from stdin.
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern int scanf (__const char *__restrict __format, ...);
+extern int scanf (__const char *__restrict __format, ...) __wur;
 /* Read formatted input from S.  */
 extern int sscanf (__const char *__restrict __s,
 		   __const char *__restrict __format, ...) __THROW;
@@ -407,14 +410,14 @@ __BEGIN_NAMESPACE_C99
    marked with __THROW.  */
 extern int vfscanf (FILE *__restrict __s, __const char *__restrict __format,
 		    __gnuc_va_list __arg)
-     __attribute__ ((__format__ (__scanf__, 2, 0)));
+     __attribute__ ((__format__ (__scanf__, 2, 0))) __wur;
 
 /* Read formatted input from stdin into argument list ARG.
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
 extern int vscanf (__const char *__restrict __format, __gnuc_va_list __arg)
-     __attribute__ ((__format__ (__scanf__, 1, 0)));
+     __attribute__ ((__format__ (__scanf__, 1, 0))) __wur;
 
 /* Read formatted input from S into argument list ARG.  */
 extern int vsscanf (__const char *__restrict __s,
@@ -526,14 +529,15 @@ __BEGIN_NAMESPACE_STD
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream);
+extern char *fgets (char *__restrict __s, int __n, FILE *__restrict __stream)
+     __wur;
 
 /* Get a newline-terminated string from stdin, removing the newline.
    DO NOT USE THIS FUNCTION!!  There is no limit on how much it will read.
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern char *gets (char *__s);
+extern char *gets (char *__s) __wur;
 __END_NAMESPACE_STD
 
 #ifdef __USE_GNU
@@ -544,7 +548,7 @@ __END_NAMESPACE_STD
    or due to the implementation it is a cancellation point and
    therefore not marked with __THROW.  */
 extern char *fgets_unlocked (char *__restrict __s, int __n,
-			     FILE *__restrict __stream);
+			     FILE *__restrict __stream) __wur;
 #endif
 
 
@@ -562,11 +566,11 @@ extern char *fgets_unlocked (char *__restrict __s, int __n,
 #if 0 /* uClibc: disabled */
 extern __ssize_t __getdelim (char **__restrict __lineptr,
 			       size_t *__restrict __n, int __delimiter,
-			       FILE *__restrict __stream);
+			       FILE *__restrict __stream) __wur;
 #endif
 extern __ssize_t getdelim (char **__restrict __lineptr,
 			     size_t *__restrict __n, int __delimiter,
-			     FILE *__restrict __stream);
+			     FILE *__restrict __stream) __wur;
 
 /* Like `getdelim', but reads up to a newline.
 
@@ -576,7 +580,7 @@ extern __ssize_t getdelim (char **__restrict __lineptr,
    therefore not marked with __THROW.  */
 extern __ssize_t getline (char **__restrict __lineptr,
 			    size_t *__restrict __n,
-			    FILE *__restrict __stream);
+			    FILE *__restrict __stream) __wur;
 #endif
 
 
@@ -606,13 +610,13 @@ extern int ungetc (int __c, FILE *__stream);
    This function is a possible cancellation points and therefore not
    marked with __THROW.  */
 extern size_t fread (void *__restrict __ptr, size_t __size,
-		     size_t __n, FILE *__restrict __stream);
+		     size_t __n, FILE *__restrict __stream) __wur;
 /* Write chunks of generic data to STREAM.
 
    This function is a possible cancellation points and therefore not
    marked with __THROW.  */
 extern size_t fwrite (__const void *__restrict __ptr, size_t __size,
-		      size_t __n, FILE *__restrict __s);
+		      size_t __n, FILE *__restrict __s) __wur;
 __END_NAMESPACE_STD
 
 #ifdef __USE_GNU
@@ -634,9 +638,9 @@ extern int fputs_unlocked (__const char *__restrict __s,
    or due to the implementation they are cancellation points and
    therefore not marked with __THROW.  */
 extern size_t fread_unlocked (void *__restrict __ptr, size_t __size,
-			      size_t __n, FILE *__restrict __stream);
+			      size_t __n, FILE *__restrict __stream) __wur;
 extern size_t fwrite_unlocked (__const void *__restrict __ptr, size_t __size,
-			       size_t __n, FILE *__restrict __stream);
+			       size_t __n, FILE *__restrict __stream) __wur;
 #endif
 
 
@@ -650,7 +654,7 @@ extern int fseek (FILE *__stream, long int __off, int __whence);
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern long int ftell (FILE *__stream);
+extern long int ftell (FILE *__stream) __wur;
 /* Rewind to the beginning of STREAM.
 
    This function is a possible cancellation point and therefore not
@@ -674,7 +678,7 @@ extern int fseeko (FILE *__stream, __off_t __off, int __whence);
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern __off_t ftello (FILE *__stream);
+extern __off_t ftello (FILE *__stream) __wur;
 # else
 #  ifdef __REDIRECT
 extern int __REDIRECT (fseeko,
@@ -715,7 +719,7 @@ __END_NAMESPACE_STD
 
 #ifdef __USE_LARGEFILE64
 extern int fseeko64 (FILE *__stream, __off64_t __off, int __whence);
-extern __off64_t ftello64 (FILE *__stream);
+extern __off64_t ftello64 (FILE *__stream) __wur;
 extern int fgetpos64 (FILE *__restrict __stream, fpos64_t *__restrict __pos);
 extern int fsetpos64 (FILE *__stream, __const fpos64_t *__pos);
 #endif
@@ -724,16 +728,16 @@ __BEGIN_NAMESPACE_STD
 /* Clear the error and EOF indicators for STREAM.  */
 extern void clearerr (FILE *__stream) __THROW;
 /* Return the EOF indicator for STREAM.  */
-extern int feof (FILE *__stream) __THROW;
+extern int feof (FILE *__stream) __THROW __wur;
 /* Return the error indicator for STREAM.  */
-extern int ferror (FILE *__stream) __THROW;
+extern int ferror (FILE *__stream) __THROW __wur;
 __END_NAMESPACE_STD
 
 #ifdef __USE_MISC
 /* Faster versions when locking is not required.  */
 extern void clearerr_unlocked (FILE *__stream) __THROW;
-extern int feof_unlocked (FILE *__stream) __THROW;
-extern int ferror_unlocked (FILE *__stream) __THROW;
+extern int feof_unlocked (FILE *__stream) __THROW __wur;
+extern int ferror_unlocked (FILE *__stream) __THROW __wur;
 #endif
 
 
@@ -757,12 +761,12 @@ extern __const char *__const sys_errlist[];
 
 #ifdef	__USE_POSIX
 /* Return the system file descriptor for STREAM.  */
-extern int fileno (FILE *__stream) __THROW;
+extern int fileno (FILE *__stream) __THROW __wur;
 #endif /* Use POSIX.  */
 
 #ifdef __USE_MISC
 /* Faster version when locking is not required.  */
-extern int fileno_unlocked (FILE *__stream) __THROW;
+extern int fileno_unlocked (FILE *__stream) __THROW __wur;
 #endif
 
 
@@ -772,7 +776,7 @@ extern int fileno_unlocked (FILE *__stream) __THROW;
 
    This function is a possible cancellation point and therefore not
    marked with __THROW.  */
-extern FILE *popen (__const char *__command, __const char *__modes);
+extern FILE *popen (__const char *__command, __const char *__modes) __wur;
 
 /* Close a stream opened by popen and return the status of its child.
 
@@ -816,7 +820,7 @@ extern void flockfile (FILE *__stream) __THROW;
 
 /* Try to acquire ownership of STREAM but do not block if it is not
    possible.  */
-extern int ftrylockfile (FILE *__stream) __THROW;
+extern int ftrylockfile (FILE *__stream) __THROW __wur;
 
 /* Relinquish the ownership granted for STREAM.  */
 extern void funlockfile (FILE *__stream) __THROW;