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-rw-r--r--include/stdio.h92
1 files changed, 48 insertions, 44 deletions
diff --git a/include/stdio.h b/include/stdio.h
index fd2a73842..c854ec333 100644
--- a/include/stdio.h
+++ b/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;