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-rw-r--r--wcsmbs/wchar.h169
1 files changed, 122 insertions, 47 deletions
diff --git a/wcsmbs/wchar.h b/wcsmbs/wchar.h
index 9b2f721076..8cdd79bb70 100644
--- a/wcsmbs/wchar.h
+++ b/wcsmbs/wchar.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995-99,2000,01,02 Free Software Foundation, Inc.
+/* Copyright (C) 1995-2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -577,27 +577,39 @@ __BEGIN_NAMESPACE_C99
extern int fwide (__FILE *__fp, int __mode) __THROW;
-/* Write formatted output to STREAM. */
+/* Write formatted output to STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int fwprintf (__FILE *__restrict __stream,
__const wchar_t *__restrict __format, ...)
- __THROW /* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
-/* Write formatted output to stdout. */
+ /* __attribute__ ((__format__ (__wprintf__, 2, 3))) */;
+/* Write formatted output to stdout.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int wprintf (__const wchar_t *__restrict __format, ...)
- __THROW /* __attribute__ ((__format__ (__wprintf__, 1, 2))) */;
+ /* __attribute__ ((__format__ (__wprintf__, 1, 2))) */;
/* Write formatted output of at most N characters to S. */
extern int swprintf (wchar_t *__restrict __s, size_t __n,
__const wchar_t *__restrict __format, ...)
__THROW /* __attribute__ ((__format__ (__wprintf__, 3, 4))) */;
-/* Write formatted output to S from argument list ARG. */
+/* Write formatted output to S from argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int vfwprintf (__FILE *__restrict __s,
__const wchar_t *__restrict __format,
__gnuc_va_list __arg)
- __THROW /* __attribute__ ((__format__ (__wprintf__, 2, 0))) */;
-/* Write formatted output to stdout from argument list ARG. */
+ /* __attribute__ ((__format__ (__wprintf__, 2, 0))) */;
+/* Write formatted output to stdout from argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int vwprintf (__const wchar_t *__restrict __format,
__gnuc_va_list __arg)
- __THROW /* __attribute__ ((__format__ (__wprintf__, 1, 0))) */;
+ /* __attribute__ ((__format__ (__wprintf__, 1, 0))) */;
/* Write formatted output of at most N character to S from argument
list ARG. */
extern int vswprintf (wchar_t *__restrict __s, size_t __n,
@@ -606,13 +618,19 @@ extern int vswprintf (wchar_t *__restrict __s, size_t __n,
__THROW /* __attribute__ ((__format__ (__wprintf__, 3, 0))) */;
-/* Read formatted input from STREAM. */
+/* Read formatted input from STREAM.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int fwscanf (__FILE *__restrict __stream,
__const wchar_t *__restrict __format, ...)
- __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */;
-/* Read formatted input from stdin. */
+ /* __attribute__ ((__format__ (__wscanf__, 2, 3))) */;
+/* Read formatted input from stdin.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int wscanf (__const wchar_t *__restrict __format, ...)
- __THROW /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */;
+ /* __attribute__ ((__format__ (__wscanf__, 1, 2))) */;
/* Read formatted input from S. */
extern int swscanf (__const wchar_t *__restrict __s,
__const wchar_t *__restrict __format, ...)
@@ -624,15 +642,21 @@ __END_NAMESPACE_C99
#ifdef __USE_ISOC99
__BEGIN_NAMESPACE_C99
-/* Read formatted input from S into argument list ARG. */
+/* Read formatted input from S into argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int vfwscanf (__FILE *__restrict __s,
__const wchar_t *__restrict __format,
__gnuc_va_list __arg)
- __THROW /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
-/* Read formatted input from stdin into argument list ARG. */
+ /* __attribute__ ((__format__ (__wscanf__, 2, 0))) */;
+/* Read formatted input from stdin into argument list ARG.
+
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
extern int vwscanf (__const wchar_t *__restrict __format,
__gnuc_va_list __arg)
- __THROW /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */;
+ /* __attribute__ ((__format__ (__wscanf__, 1, 0))) */;
/* Read formatted input from S into argument list ARG. */
extern int vswscanf (__const wchar_t *__restrict __s,
__const wchar_t *__restrict __format,
@@ -644,62 +668,113 @@ __END_NAMESPACE_C99
__BEGIN_NAMESPACE_C99
-/* Read a character from STREAM. */
-extern wint_t fgetwc (__FILE *__stream) __THROW;
-extern wint_t getwc (__FILE *__stream) __THROW;
+/* Read a character from STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern wint_t fgetwc (__FILE *__stream);
+extern wint_t getwc (__FILE *__stream);
-/* Read a character from stdin. */
-extern wint_t getwchar (void) __THROW;
+/* Read a character from stdin.
+ This function is a possible cancellation point and therefore not
+ marked with __THROW. */
+extern wint_t getwchar (void);
-/* Write a character to STREAM. */
-extern wint_t fputwc (wchar_t __wc, __FILE *__stream) __THROW;
-extern wint_t putwc (wchar_t __wc, __FILE *__stream) __THROW;
-/* Write a character to stdout. */
-extern wint_t putwchar (wchar_t __wc) __THROW;
+/* Write a character to STREAM.
+
+ These functions are possible cancellation points and therefore not
+ marked with __THROW. */
+extern wint_t fputwc (wchar_t __wc, __FILE *__stream);
+extern wint_t putwc (wchar_t __wc, __FILE *__stream);
+
+/* Write a character to stdout.
+
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern wint_t putwchar (wchar_t __wc);
/* Get a newline-terminated wide character string of finite length
- from STREAM. */
+ from STREAM.
+
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
extern wchar_t *fgetws (wchar_t *__restrict __ws, int __n,
- __FILE *__restrict __stream) __THROW;
+ __FILE *__restrict __stream);
+
+/* Write a string to STREAM.
-/* Write a string to STREAM. */
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
extern int fputws (__const wchar_t *__restrict __ws,
- __FILE *__restrict __stream) __THROW;
+ __FILE *__restrict __stream);
+
+/* Push a character back onto the input buffer of STREAM.
-/* Push a character back onto the input buffer of STREAM. */
-extern wint_t ungetwc (wint_t __wc, __FILE *__stream) __THROW;
+ This function is a possible cancellation points and therefore not
+ marked with __THROW. */
+extern wint_t ungetwc (wint_t __wc, __FILE *__stream);
__END_NAMESPACE_C99
#ifdef __USE_GNU
/* These are defined to be equivalent to the `char' functions defined
- in POSIX.1:1996. */
-extern wint_t getwc_unlocked (__FILE *__stream) __THROW;
-extern wint_t getwchar_unlocked (void) __THROW;
+ in POSIX.1:1996.
-/* This is the wide character version of a GNU extension. */
-extern wint_t fgetwc_unlocked (__FILE *__stream) __THROW;
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
+extern wint_t getwc_unlocked (__FILE *__stream);
+extern wint_t getwchar_unlocked (void);
-/* Faster version when locking is not necessary. */
-extern wint_t fputwc_unlocked (wchar_t __wc, __FILE *__stream) __THROW;
+/* This is the wide character version of a GNU extension.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern wint_t fgetwc_unlocked (__FILE *__stream);
+
+/* Faster version when locking is not necessary.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
+extern wint_t fputwc_unlocked (wchar_t __wc, __FILE *__stream);
/* These are defined to be equivalent to the `char' functions defined
- in POSIX.1:1996. */
-extern wint_t putwc_unlocked (wchar_t __wc, __FILE *__stream) __THROW;
-extern wint_t putwchar_unlocked (wchar_t __wc) __THROW;
+ in POSIX.1:1996.
+ These functions are not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation they are cancellation points and
+ therefore not marked with __THROW. */
+extern wint_t putwc_unlocked (wchar_t __wc, __FILE *__stream);
+extern wint_t putwchar_unlocked (wchar_t __wc);
-/* This function does the same as `fgetws' but does not lock the stream. */
+
+/* This function does the same as `fgetws' but does not lock the stream.
+
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern wchar_t *fgetws_unlocked (wchar_t *__restrict __ws, int __n,
- __FILE *__restrict __stream) __THROW;
+ __FILE *__restrict __stream);
+
+/* This function does the same as `fputws' but does not lock the stream.
-/* This function does the same as `fputws' but does not lock the stream. */
+ This function is not part of POSIX and therefore no official
+ cancellation point. But due to similarity with an POSIX interface
+ or due to the implementation it is a cancellation point and
+ therefore not marked with __THROW. */
extern int fputws_unlocked (__const wchar_t *__restrict __ws,
- __FILE *__restrict __stream) __THROW;
+ __FILE *__restrict __stream);
#endif