From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 8404 invoked by alias); 30 Mar 2007 11:41:36 -0000 Received: (qmail 8381 invoked by uid 22791); 30 Mar 2007 11:41:35 -0000 X-Spam-Check-By: sourceware.org Received: from sunsite.ms.mff.cuni.cz (HELO sunsite.mff.cuni.cz) (195.113.15.26) by sourceware.org (qpsmtpd/0.31) with ESMTP; Fri, 30 Mar 2007 12:41:19 +0100 Received: from sunsite.mff.cuni.cz (localhost.localdomain [127.0.0.1]) by sunsite.mff.cuni.cz (8.13.8/8.13.8) with ESMTP id l2UBkHwD009413; Fri, 30 Mar 2007 13:46:17 +0200 Received: (from jakub@localhost) by sunsite.mff.cuni.cz (8.13.8/8.13.8/Submit) id l2UBkGcv009410; Fri, 30 Mar 2007 13:46:16 +0200 Date: Fri, 30 Mar 2007 11:41:00 -0000 From: Jakub Jelinek To: Ulrich Drepper Cc: Glibc hackers Subject: [PATCH] __THROW in libio revisited Message-ID: <20070330114616.GE1826@sunsite.mff.cuni.cz> Reply-To: Jakub Jelinek Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.4.2.2i Mailing-List: contact libc-hacker-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-hacker-owner@sourceware.org X-SW-Source: 2007-03/txt/msg00042.txt.bz2 Hi! The following functions either directly call cancellation points (usually open, write, read) or can call it indirectly. This patch itself doesn't fix BZ#2748, but together with building involved objects with -fexceptions it would. While I think I prefer just compiling whole glibc with -fasynchronous-unwind-tables which doesn't actually require the __THROW removal (except on exported functions), IMHO nuking __THROW even just for documentation purposes that a function is a possible cancellation point is a good idea. 2007-03-30 Jakub Jelinek * libio/libio.h (__underflow, __uflow, __overflow, __wunderflow, __wuflow, __woverflow, _IO_getc, _IO_putc, _IO_peekc_locked, _IO_padn, _IO_sgetn, _IO_seekoff, _IO_seekpos, _IO_getwc, _IO_putwc, _IO_wpadn): Remove __THROW. * libio/fileops.c (new_do_write, _IO_file_xsgetn_mmap, _IO_file_xsgetn_maybe_mmap): Likewise. * libio/oldfileops.c (old_do_write): Likewise. * libio/libioP.h (_IO_switch_to_get_mode, _IO_switch_to_wget_mode, _IO_init_marker, _IO_init_wmarker, _IO_default_uflow, _IO_wdefault_uflow, _IO_default_setbuf, _IO_default_seekpos, _IO_do_write, _IO_new_do_write, _IO_old_do_write, _IO_wdo_write, _IO_flush_all_lockp, _IO_flush_all, _IO_cleanup, _IO_flush_all_linebuffered, _IO_new_fgetpos, _IO_old_fgetpos, _IO_new_fsetpos, _IO_old_fsetpos, _IO_new_fgetpos64, _IO_old_fgetpos64, _IO_new_fsetpos64, _IO_old_fsetpos64, _IO_file_setbuf, _IO_file_seekoff, _IO_file_xsputn, _IO_file_xsgetn, _IO_file_underflow, _IO_file_underflow_mmap, _IO_file_underflow_maybe_mmap, _IO_file_overflow, _IO_file_attach, _IO_file_open, _IO_file_fopen, _IO_file_write, _IO_file_read, _IO_file_sync, _IO_file_close_it, _IO_file_finish, _IO_new_file_attach, _IO_new_file_close_it, _IO_new_file_finish, _IO_new_file_fopen, _IO_new_file_setbuf, _IO_file_setbuf_mmap, _IO_new_file_sync, _IO_new_file_underflow, _IO_new_file_overflow, _IO_new_file_seekoff, _IO_new_file_write, _IO_new_file_xsputn, _IO_old_file_setbuf, _IO_old_file_seekoff, _IO_old_file_xsputn, _IO_old_file_underflow, _IO_old_file_overflow, _IO_old_file_attach, _IO_old_file_fopen, _IO_old_file_write, _IO_old_file_sync, _IO_old_file_close_it, _IO_old_file_finish, _IO_wfile_xsputn, _IO_wfile_setbuf, _IO_wfile_sync, _IO_wfile_underflow, _IO_wfile_overflow, _IO_wfile_seekoff, _IO_old_proc_open, _IO_old_proc_close, _IO_getdelim, _IO_flush_all_internal, _IO_adjust_column_internal, _IO_default_uflow_internal, _IO_default_xsgetn_internal, _IO_wdefault_xsputn_internal, _IO_wdefault_xsgetn_internal, _IO_wdefault_uflow_internal, _IO_file_setbuf_internal, _IO_file_seekoff_internal, _IO_file_xsputn_internal, _IO_file_xsgetn_internal, _IO_file_close_it_internal, _IO_file_underflow_internal, _IO_file_overflow_internal, _IO_file_attach_internal, _IO_file_fopen_internal, _IO_file_sync_internal, _IO_file_finish_internal, _IO_wfile_xsputn_internal, _IO_wfile_seekoff_internal, _IO_wfile_sync_internal, _IO_switch_to_wget_mode_internal, _IO_padn_internal, _IO_switch_to_get_mode_internal, _IO_seekoff_unlocked, _IO_seekpos_unlocked): Likewise. (_IO_strtod, _IO_dtoa, _IO_outfloat, _IO_read, _IO_write, _IO_lseek, _IO_close, _IO_fstat): Remove unused prototypes. --- libc/libio/libio.h.jj 2007-01-03 10:59:40.000000000 +0100 +++ libc/libio/libio.h 2007-03-29 18:50:38.000000000 +0200 @@ -410,12 +410,12 @@ extern void _IO_cookie_init (struct _IO_ extern "C" { #endif -extern int __underflow (_IO_FILE *) __THROW; -extern int __uflow (_IO_FILE *) __THROW; -extern int __overflow (_IO_FILE *, int) __THROW; -extern _IO_wint_t __wunderflow (_IO_FILE *) __THROW; -extern _IO_wint_t __wuflow (_IO_FILE *) __THROW; -extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t) __THROW; +extern int __underflow (_IO_FILE *); +extern int __uflow (_IO_FILE *); +extern int __overflow (_IO_FILE *, int); +extern _IO_wint_t __wunderflow (_IO_FILE *); +extern _IO_wint_t __wuflow (_IO_FILE *); +extern _IO_wint_t __woverflow (_IO_FILE *, _IO_wint_t); #if __GNUC__ >= 3 # define _IO_BE(expr, res) __builtin_expect ((expr), res) @@ -448,12 +448,12 @@ extern _IO_wint_t __woverflow (_IO_FILE #define _IO_feof_unlocked(__fp) (((__fp)->_flags & _IO_EOF_SEEN) != 0) #define _IO_ferror_unlocked(__fp) (((__fp)->_flags & _IO_ERR_SEEN) != 0) -extern int _IO_getc (_IO_FILE *__fp) __THROW; -extern int _IO_putc (int __c, _IO_FILE *__fp) __THROW; +extern int _IO_getc (_IO_FILE *__fp); +extern int _IO_putc (int __c, _IO_FILE *__fp); extern int _IO_feof (_IO_FILE *__fp) __THROW; extern int _IO_ferror (_IO_FILE *__fp) __THROW; -extern int _IO_peekc_locked (_IO_FILE *__fp) __THROW; +extern int _IO_peekc_locked (_IO_FILE *__fp); /* This one is for Emacs. */ #define _IO_PENDING_OUTPUT_COUNT(_fp) \ @@ -482,17 +482,17 @@ extern int _IO_vfscanf (_IO_FILE * __res _IO_va_list, int *__restrict); extern int _IO_vfprintf (_IO_FILE *__restrict, const char *__restrict, _IO_va_list); -extern _IO_ssize_t _IO_padn (_IO_FILE *, int, _IO_ssize_t) __THROW; -extern _IO_size_t _IO_sgetn (_IO_FILE *, void *, _IO_size_t) __THROW; +extern _IO_ssize_t _IO_padn (_IO_FILE *, int, _IO_ssize_t); +extern _IO_size_t _IO_sgetn (_IO_FILE *, void *, _IO_size_t); -extern _IO_off64_t _IO_seekoff (_IO_FILE *, _IO_off64_t, int, int) __THROW; -extern _IO_off64_t _IO_seekpos (_IO_FILE *, _IO_off64_t, int) __THROW; +extern _IO_off64_t _IO_seekoff (_IO_FILE *, _IO_off64_t, int, int); +extern _IO_off64_t _IO_seekpos (_IO_FILE *, _IO_off64_t, int); extern void _IO_free_backup_area (_IO_FILE *) __THROW; #if defined _LIBC || defined _GLIBCPP_USE_WCHAR_T -extern _IO_wint_t _IO_getwc (_IO_FILE *__fp) __THROW; -extern _IO_wint_t _IO_putwc (wchar_t __wc, _IO_FILE *__fp) __THROW; +extern _IO_wint_t _IO_getwc (_IO_FILE *__fp); +extern _IO_wint_t _IO_putwc (wchar_t __wc, _IO_FILE *__fp); extern int _IO_fwide (_IO_FILE *__fp, int __mode) __THROW; # if __GNUC__ >= 2 /* While compiling glibc we have to handle compatibility with very old @@ -531,7 +531,7 @@ extern int _IO_vfwscanf (_IO_FILE * __re _IO_va_list, int *__restrict); extern int _IO_vfwprintf (_IO_FILE *__restrict, const wchar_t *__restrict, _IO_va_list); -extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t) __THROW; +extern _IO_ssize_t _IO_wpadn (_IO_FILE *, wint_t, _IO_ssize_t); extern void _IO_free_wbackup_area (_IO_FILE *) __THROW; #endif --- libc/libio/fileops.c.jj 2007-01-17 11:18:43.000000000 +0100 +++ libc/libio/fileops.c 2007-03-29 18:55:52.000000000 +0200 @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1995, 1997-2005, 2006 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1995, 1997-2005, 2006, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner . @@ -472,7 +473,7 @@ _IO_file_setbuf_mmap (fp, p, len) return result; } -static _IO_size_t new_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; +static _IO_size_t new_do_write (_IO_FILE *, const char *, _IO_size_t); /* Write TO_DO bytes from DATA to FP. Then mark FP as having empty buffers. */ @@ -1468,8 +1469,7 @@ _IO_file_xsgetn (fp, data, n) } INTDEF(_IO_file_xsgetn) -static _IO_size_t _IO_file_xsgetn_mmap (_IO_FILE *, void *, _IO_size_t) - __THROW; +static _IO_size_t _IO_file_xsgetn_mmap (_IO_FILE *, void *, _IO_size_t); static _IO_size_t _IO_file_xsgetn_mmap (fp, data, n) _IO_FILE *fp; @@ -1528,8 +1528,7 @@ _IO_file_xsgetn_mmap (fp, data, n) return s - (char *) data; } -static _IO_size_t _IO_file_xsgetn_maybe_mmap (_IO_FILE *, void *, _IO_size_t) - __THROW; +static _IO_size_t _IO_file_xsgetn_maybe_mmap (_IO_FILE *, void *, _IO_size_t); static _IO_size_t _IO_file_xsgetn_maybe_mmap (fp, data, n) _IO_FILE *fp; --- libc/libio/oldfileops.c.jj 2005-10-17 17:54:13.000000000 +0200 +++ libc/libio/oldfileops.c 2007-03-29 18:54:48.000000000 +0200 @@ -1,4 +1,5 @@ -/* Copyright (C) 1993, 1995, 1997-2004, 2005 Free Software Foundation, Inc. +/* Copyright (C) 1993, 1995, 1997-2004, 2005, 2007 + Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Per Bothner . @@ -271,7 +272,7 @@ _IO_old_file_setbuf (fp, p, len) return fp; } -static int old_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; +static int old_do_write (_IO_FILE *, const char *, _IO_size_t); /* Write TO_DO bytes from DATA to FP. Then mark FP as having empty buffers. */ --- libc/libio/libioP.h.jj 2006-01-14 13:09:46.000000000 +0100 +++ libc/libio/libioP.h 2007-03-29 18:38:10.000000000 +0200 @@ -1,4 +1,4 @@ -/* Copyright (C) 1993, 1997-2003,2004,2005,2006 +/* Copyright (C) 1993, 1997-2003,2004,2005,2006,2007 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -380,7 +380,7 @@ typedef struct _IO_FILE *_IO_ITER; extern void _IO_switch_to_main_get_area (_IO_FILE *) __THROW; extern void _IO_switch_to_backup_area (_IO_FILE *) __THROW; -extern int _IO_switch_to_get_mode (_IO_FILE *) __THROW; +extern int _IO_switch_to_get_mode (_IO_FILE *); extern void _IO_init (_IO_FILE *, int) __THROW; extern int _IO_sputbackc (_IO_FILE *, int) __THROW; extern int _IO_sungetc (_IO_FILE *) __THROW; @@ -394,7 +394,7 @@ extern unsigned _IO_adjust_column (unsig extern void _IO_switch_to_main_wget_area (_IO_FILE *) __THROW; extern void _IO_switch_to_wbackup_area (_IO_FILE *) __THROW; -extern int _IO_switch_to_wget_mode (_IO_FILE *) __THROW; +extern int _IO_switch_to_wget_mode (_IO_FILE *); extern void _IO_wsetb (_IO_FILE *, wchar_t *, wchar_t *, int) __THROW; extern wint_t _IO_sputbackwc (_IO_FILE *, wint_t) __THROW; extern wint_t _IO_sungetwc (_IO_FILE *) __THROW; @@ -404,8 +404,8 @@ extern unsigned _IO_adjust_wcolumn (unsi /* Marker-related function. */ -extern void _IO_init_marker (struct _IO_marker *, _IO_FILE *) __THROW; -extern void _IO_init_wmarker (struct _IO_marker *, _IO_FILE *) __THROW; +extern void _IO_init_marker (struct _IO_marker *, _IO_FILE *); +extern void _IO_init_wmarker (struct _IO_marker *, _IO_FILE *); extern void _IO_remove_marker (struct _IO_marker *) __THROW; extern int _IO_marker_difference (struct _IO_marker *, struct _IO_marker *) __THROW; @@ -434,22 +434,22 @@ libc_hidden_proto (_IO_list_resetlock) /* Default jumptable functions. */ extern int _IO_default_underflow (_IO_FILE *) __THROW; -extern int _IO_default_uflow (_IO_FILE *) __THROW; -extern wint_t _IO_wdefault_uflow (_IO_FILE *) __THROW; +extern int _IO_default_uflow (_IO_FILE *); +extern wint_t _IO_wdefault_uflow (_IO_FILE *); extern int _IO_default_doallocate (_IO_FILE *) __THROW; extern int _IO_wdefault_doallocate (_IO_FILE *) __THROW; extern void _IO_default_finish (_IO_FILE *, int) __THROW; extern void _IO_wdefault_finish (_IO_FILE *, int) __THROW; extern int _IO_default_pbackfail (_IO_FILE *, int) __THROW; extern wint_t _IO_wdefault_pbackfail (_IO_FILE *, wint_t) __THROW; -extern _IO_FILE* _IO_default_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; +extern _IO_FILE* _IO_default_setbuf (_IO_FILE *, char *, _IO_ssize_t); extern _IO_size_t _IO_default_xsputn (_IO_FILE *, const void *, _IO_size_t); extern _IO_size_t _IO_wdefault_xsputn (_IO_FILE *, const void *, _IO_size_t); extern _IO_size_t _IO_default_xsgetn (_IO_FILE *, void *, _IO_size_t); extern _IO_size_t _IO_wdefault_xsgetn (_IO_FILE *, void *, _IO_size_t); extern _IO_off64_t _IO_default_seekoff (_IO_FILE *, _IO_off64_t, int, int) __THROW; -extern _IO_off64_t _IO_default_seekpos (_IO_FILE *, _IO_off64_t, int) __THROW; +extern _IO_off64_t _IO_default_seekpos (_IO_FILE *, _IO_off64_t, int); extern _IO_ssize_t _IO_default_write (_IO_FILE *, const void *, _IO_ssize_t); extern _IO_ssize_t _IO_default_read (_IO_FILE *, void *, _IO_ssize_t); extern int _IO_default_stat (_IO_FILE *, void *) __THROW; @@ -473,22 +473,22 @@ extern const struct _IO_jump_t _IO_old_p extern const struct _IO_jump_t _IO_str_jumps attribute_hidden; extern const struct _IO_jump_t _IO_wstr_jumps attribute_hidden; extern const struct _IO_codecvt __libio_codecvt attribute_hidden; -extern int _IO_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; -extern int _IO_new_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; -extern int _IO_old_do_write (_IO_FILE *, const char *, _IO_size_t) __THROW; -extern int _IO_wdo_write (_IO_FILE *, const wchar_t *, _IO_size_t) __THROW; -extern int _IO_flush_all_lockp (int) __THROW; -extern int _IO_flush_all (void) __THROW; -extern int _IO_cleanup (void) __THROW; -extern void _IO_flush_all_linebuffered (void) __THROW; -extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *) __THROW; -extern int _IO_old_fgetpos (_IO_FILE *, _IO_fpos_t *) __THROW; -extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *) __THROW; -extern int _IO_old_fsetpos (_IO_FILE *, const _IO_fpos_t *) __THROW; -extern int _IO_new_fgetpos64 (_IO_FILE *, _IO_fpos64_t *) __THROW; -extern int _IO_old_fgetpos64 (_IO_FILE *, _IO_fpos64_t *) __THROW; -extern int _IO_new_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *) __THROW; -extern int _IO_old_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *) __THROW; +extern int _IO_do_write (_IO_FILE *, const char *, _IO_size_t); +extern int _IO_new_do_write (_IO_FILE *, const char *, _IO_size_t); +extern int _IO_old_do_write (_IO_FILE *, const char *, _IO_size_t); +extern int _IO_wdo_write (_IO_FILE *, const wchar_t *, _IO_size_t); +extern int _IO_flush_all_lockp (int); +extern int _IO_flush_all (void); +extern int _IO_cleanup (void); +extern void _IO_flush_all_linebuffered (void); +extern int _IO_new_fgetpos (_IO_FILE *, _IO_fpos_t *); +extern int _IO_old_fgetpos (_IO_FILE *, _IO_fpos_t *); +extern int _IO_new_fsetpos (_IO_FILE *, const _IO_fpos_t *); +extern int _IO_old_fsetpos (_IO_FILE *, const _IO_fpos_t *); +extern int _IO_new_fgetpos64 (_IO_FILE *, _IO_fpos64_t *); +extern int _IO_old_fgetpos64 (_IO_FILE *, _IO_fpos64_t *); +extern int _IO_new_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *); +extern int _IO_old_fsetpos64 (_IO_FILE *, const _IO_fpos64_t *); extern void _IO_old_init (_IO_FILE *fp, int flags) __THROW; @@ -534,95 +534,79 @@ extern void _IO_old_init (_IO_FILE *fp, /* Jumptable functions for files. */ extern int _IO_file_doallocate (_IO_FILE *) __THROW; -extern _IO_FILE* _IO_file_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; -extern _IO_off64_t _IO_file_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; +extern _IO_FILE* _IO_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); +extern _IO_off64_t _IO_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); extern _IO_off64_t _IO_file_seekoff_mmap (_IO_FILE *, _IO_off64_t, int, int) __THROW; -extern _IO_size_t _IO_file_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; -extern _IO_size_t _IO_file_xsgetn (_IO_FILE *, void *, _IO_size_t) __THROW; +extern _IO_size_t _IO_file_xsputn (_IO_FILE *, const void *, _IO_size_t); +extern _IO_size_t _IO_file_xsgetn (_IO_FILE *, void *, _IO_size_t); extern int _IO_file_stat (_IO_FILE *, void *) __THROW; extern int _IO_file_close (_IO_FILE *) __THROW; extern int _IO_file_close_mmap (_IO_FILE *) __THROW; -extern int _IO_file_underflow (_IO_FILE *) __THROW; -extern int _IO_file_underflow_mmap (_IO_FILE *) __THROW; -extern int _IO_file_underflow_maybe_mmap (_IO_FILE *) __THROW; -extern int _IO_file_overflow (_IO_FILE *, int) __THROW; +extern int _IO_file_underflow (_IO_FILE *); +extern int _IO_file_underflow_mmap (_IO_FILE *); +extern int _IO_file_underflow_maybe_mmap (_IO_FILE *); +extern int _IO_file_overflow (_IO_FILE *, int); #define _IO_file_is_open(__fp) ((__fp)->_fileno != -1) extern void _IO_file_init (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_file_attach (_IO_FILE *, int) __THROW; -extern _IO_FILE* _IO_file_open (_IO_FILE *, const char *, int, int, int, int) - __THROW; +extern _IO_FILE* _IO_file_attach (_IO_FILE *, int); +extern _IO_FILE* _IO_file_open (_IO_FILE *, const char *, int, int, int, int); libc_hidden_proto (_IO_file_open) -extern _IO_FILE* _IO_file_fopen (_IO_FILE *, const char *, const char *, int) - __THROW; -extern _IO_ssize_t _IO_file_write (_IO_FILE *, const void *, _IO_ssize_t) - __THROW; -extern _IO_ssize_t _IO_file_read (_IO_FILE *, void *, _IO_ssize_t) __THROW; -extern int _IO_file_sync (_IO_FILE *) __THROW; -extern int _IO_file_close_it (_IO_FILE *) __THROW; +extern _IO_FILE* _IO_file_fopen (_IO_FILE *, const char *, const char *, int); +extern _IO_ssize_t _IO_file_write (_IO_FILE *, const void *, _IO_ssize_t); +extern _IO_ssize_t _IO_file_read (_IO_FILE *, void *, _IO_ssize_t); +extern int _IO_file_sync (_IO_FILE *); +extern int _IO_file_close_it (_IO_FILE *); extern _IO_off64_t _IO_file_seek (_IO_FILE *, _IO_off64_t, int) __THROW; -extern void _IO_file_finish (_IO_FILE *, int) __THROW; +extern void _IO_file_finish (_IO_FILE *, int); -extern _IO_FILE* _IO_new_file_attach (_IO_FILE *, int) __THROW; -extern int _IO_new_file_close_it (_IO_FILE *) __THROW; -extern void _IO_new_file_finish (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_new_file_attach (_IO_FILE *, int); +extern int _IO_new_file_close_it (_IO_FILE *); +extern void _IO_new_file_finish (_IO_FILE *, int); extern _IO_FILE* _IO_new_file_fopen (_IO_FILE *, const char *, const char *, - int) __THROW; + int); extern void _IO_no_init (_IO_FILE *, int, int, struct _IO_wide_data *, const struct _IO_jump_t *) __THROW; extern void _IO_new_file_init (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_new_file_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; -extern _IO_FILE* _IO_file_setbuf_mmap (_IO_FILE *, char *, _IO_ssize_t) - __THROW; -extern int _IO_new_file_sync (_IO_FILE *) __THROW; -extern int _IO_new_file_underflow (_IO_FILE *) __THROW; -extern int _IO_new_file_overflow (_IO_FILE *, int) __THROW; -extern _IO_off64_t _IO_new_file_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; -extern _IO_ssize_t _IO_new_file_write (_IO_FILE *, const void *, _IO_ssize_t) - __THROW; -extern _IO_size_t _IO_new_file_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; - -extern _IO_FILE* _IO_old_file_setbuf (_IO_FILE *, char *, _IO_ssize_t) __THROW; -extern _IO_off64_t _IO_old_file_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; -extern _IO_size_t _IO_old_file_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; -extern int _IO_old_file_underflow (_IO_FILE *) __THROW; -extern int _IO_old_file_overflow (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_new_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); +extern _IO_FILE* _IO_file_setbuf_mmap (_IO_FILE *, char *, _IO_ssize_t); +extern int _IO_new_file_sync (_IO_FILE *); +extern int _IO_new_file_underflow (_IO_FILE *); +extern int _IO_new_file_overflow (_IO_FILE *, int); +extern _IO_off64_t _IO_new_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); +extern _IO_ssize_t _IO_new_file_write (_IO_FILE *, const void *, _IO_ssize_t); +extern _IO_size_t _IO_new_file_xsputn (_IO_FILE *, const void *, _IO_size_t); + +extern _IO_FILE* _IO_old_file_setbuf (_IO_FILE *, char *, _IO_ssize_t); +extern _IO_off64_t _IO_old_file_seekoff (_IO_FILE *, _IO_off64_t, int, int); +extern _IO_size_t _IO_old_file_xsputn (_IO_FILE *, const void *, _IO_size_t); +extern int _IO_old_file_underflow (_IO_FILE *); +extern int _IO_old_file_overflow (_IO_FILE *, int); extern void _IO_old_file_init (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_old_file_attach (_IO_FILE *, int) __THROW; -extern _IO_FILE* _IO_old_file_fopen (_IO_FILE *, const char *, const char *) - __THROW; -extern _IO_ssize_t _IO_old_file_write (_IO_FILE *, const void *, _IO_ssize_t) - __THROW; -extern int _IO_old_file_sync (_IO_FILE *) __THROW; -extern int _IO_old_file_close_it (_IO_FILE *) __THROW; -extern void _IO_old_file_finish (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_old_file_attach (_IO_FILE *, int); +extern _IO_FILE* _IO_old_file_fopen (_IO_FILE *, const char *, const char *); +extern _IO_ssize_t _IO_old_file_write (_IO_FILE *, const void *, _IO_ssize_t); +extern int _IO_old_file_sync (_IO_FILE *); +extern int _IO_old_file_close_it (_IO_FILE *); +extern void _IO_old_file_finish (_IO_FILE *, int); extern int _IO_wfile_doallocate (_IO_FILE *) __THROW; -extern _IO_size_t _IO_wfile_xsputn (_IO_FILE *, const void *, _IO_size_t) - __THROW; -extern _IO_FILE* _IO_wfile_setbuf (_IO_FILE *, wchar_t *, _IO_ssize_t) __THROW; -extern wint_t _IO_wfile_sync (_IO_FILE *) __THROW; -extern wint_t _IO_wfile_underflow (_IO_FILE *) __THROW; -extern wint_t _IO_wfile_overflow (_IO_FILE *, wint_t) __THROW; -extern _IO_off64_t _IO_wfile_seekoff (_IO_FILE *, _IO_off64_t, int, int) - __THROW; +extern _IO_size_t _IO_wfile_xsputn (_IO_FILE *, const void *, _IO_size_t); +extern _IO_FILE* _IO_wfile_setbuf (_IO_FILE *, wchar_t *, _IO_ssize_t); +extern wint_t _IO_wfile_sync (_IO_FILE *); +extern wint_t _IO_wfile_underflow (_IO_FILE *); +extern wint_t _IO_wfile_overflow (_IO_FILE *, wint_t); +extern _IO_off64_t _IO_wfile_seekoff (_IO_FILE *, _IO_off64_t, int, int); /* Jumptable functions for proc_files. */ extern _IO_FILE* _IO_proc_open (_IO_FILE *, const char *, const char *) __THROW; extern _IO_FILE* _IO_new_proc_open (_IO_FILE *, const char *, const char *) __THROW; -extern _IO_FILE* _IO_old_proc_open (_IO_FILE *, const char *, const char *) - __THROW; +extern _IO_FILE* _IO_old_proc_open (_IO_FILE *, const char *, const char *); extern int _IO_proc_close (_IO_FILE *) __THROW; extern int _IO_new_proc_close (_IO_FILE *) __THROW; -extern int _IO_old_proc_close (_IO_FILE *) __THROW; +extern int _IO_old_proc_close (_IO_FILE *); /* Jumptable functions for strfiles. */ extern int _IO_str_underflow (_IO_FILE *) __THROW; @@ -660,73 +644,62 @@ extern int _IO_vsnprintf (char *string, extern _IO_size_t _IO_getline (_IO_FILE *,char *, _IO_size_t, int, int); extern _IO_size_t _IO_getline_info (_IO_FILE *,char *, _IO_size_t, int, int, int *); -extern _IO_ssize_t _IO_getdelim (char **, _IO_size_t *, int, _IO_FILE *) - __THROW; +extern _IO_ssize_t _IO_getdelim (char **, _IO_size_t *, int, _IO_FILE *); extern _IO_size_t _IO_getwline (_IO_FILE *,wchar_t *, _IO_size_t, wint_t, int); extern _IO_size_t _IO_getwline_info (_IO_FILE *,wchar_t *, _IO_size_t, wint_t, int, wint_t *); -extern double _IO_strtod (const char *, char **) __THROW; -extern char *_IO_dtoa (double __d, int __mode, int __ndigits, - int *__decpt, int *__sign, char **__rve) __THROW; -extern int _IO_outfloat (double __value, _IO_FILE *__sb, int __type, - int __width, int __precision, int __flags, - int __sign_mode, int __fill) __THROW; extern struct _IO_FILE_plus *_IO_list_all; extern void (*_IO_cleanup_registration_needed) (void); /* Prototype for functions with alternative entry point. */ -extern int _IO_flush_all_internal (void) __THROW; -extern unsigned _IO_adjust_column_internal (unsigned, const char *, int) - __THROW; +extern int _IO_flush_all_internal (void); +extern unsigned _IO_adjust_column_internal (unsigned, const char *, int); -extern int _IO_default_uflow_internal (_IO_FILE *) __THROW; +extern int _IO_default_uflow_internal (_IO_FILE *); extern void _IO_default_finish_internal (_IO_FILE *, int) __THROW; extern int _IO_default_pbackfail_internal (_IO_FILE *, int) __THROW; extern _IO_size_t _IO_default_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; -extern _IO_size_t _IO_default_xsgetn_internal (_IO_FILE *, void *, _IO_size_t) - __THROW; + _IO_size_t); +extern _IO_size_t _IO_default_xsgetn_internal (_IO_FILE *, void *, _IO_size_t); extern int _IO_default_doallocate_internal (_IO_FILE *) __THROW; extern void _IO_wdefault_finish_internal (_IO_FILE *, int) __THROW; extern wint_t _IO_wdefault_pbackfail_internal (_IO_FILE *, wint_t) __THROW; extern _IO_size_t _IO_wdefault_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; + _IO_size_t); extern _IO_size_t _IO_wdefault_xsgetn_internal (_IO_FILE *, void *, - _IO_size_t) __THROW; + _IO_size_t); extern int _IO_wdefault_doallocate_internal (_IO_FILE *) __THROW; -extern wint_t _IO_wdefault_uflow_internal (_IO_FILE *) __THROW; +extern wint_t _IO_wdefault_uflow_internal (_IO_FILE *); extern int _IO_file_doallocate_internal (_IO_FILE *) __THROW; -extern _IO_FILE* _IO_file_setbuf_internal (_IO_FILE *, char *, _IO_ssize_t) - __THROW; +extern _IO_FILE* _IO_file_setbuf_internal (_IO_FILE *, char *, _IO_ssize_t); extern _IO_off64_t _IO_file_seekoff_internal (_IO_FILE *, _IO_off64_t, - int, int) __THROW; + int, int); extern _IO_size_t _IO_file_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; -extern _IO_size_t _IO_file_xsgetn_internal (_IO_FILE *, void *, _IO_size_t) - __THROW; + _IO_size_t); +extern _IO_size_t _IO_file_xsgetn_internal (_IO_FILE *, void *, _IO_size_t); extern int _IO_file_stat_internal (_IO_FILE *, void *) __THROW; extern int _IO_file_close_internal (_IO_FILE *) __THROW; -extern int _IO_file_close_it_internal (_IO_FILE *) __THROW; -extern int _IO_file_underflow_internal (_IO_FILE *) __THROW; -extern int _IO_file_overflow_internal (_IO_FILE *, int) __THROW; +extern int _IO_file_close_it_internal (_IO_FILE *); +extern int _IO_file_underflow_internal (_IO_FILE *); +extern int _IO_file_overflow_internal (_IO_FILE *, int); extern void _IO_file_init_internal (struct _IO_FILE_plus *) __THROW; -extern _IO_FILE* _IO_file_attach_internal (_IO_FILE *, int) __THROW; +extern _IO_FILE* _IO_file_attach_internal (_IO_FILE *, int); extern _IO_FILE* _IO_file_fopen_internal (_IO_FILE *, const char *, - const char *, int) __THROW; + const char *, int); extern _IO_ssize_t _IO_file_read_internal (_IO_FILE *, void *, _IO_ssize_t); -extern int _IO_file_sync_internal (_IO_FILE *) __THROW; +extern int _IO_file_sync_internal (_IO_FILE *); extern _IO_off64_t _IO_file_seek_internal (_IO_FILE *, _IO_off64_t, int) __THROW; -extern void _IO_file_finish_internal (_IO_FILE *, int) __THROW; +extern void _IO_file_finish_internal (_IO_FILE *, int); extern _IO_size_t _IO_wfile_xsputn_internal (_IO_FILE *, const void *, - _IO_size_t) __THROW; + _IO_size_t); extern _IO_off64_t _IO_wfile_seekoff_internal (_IO_FILE *, _IO_off64_t, - int, int) __THROW; -extern wint_t _IO_wfile_sync_internal (_IO_FILE *) __THROW; + int, int); +extern wint_t _IO_wfile_sync_internal (_IO_FILE *); extern int _IO_str_underflow_internal (_IO_FILE *) __THROW; extern int _IO_str_overflow_internal (_IO_FILE *, int) __THROW; @@ -747,12 +720,12 @@ extern void _IO_wdoallocbuf_internal (_I extern _IO_size_t _IO_sgetn_internal (_IO_FILE *, void *, _IO_size_t); extern void _IO_flush_all_linebuffered_internal (void) __THROW; -extern int _IO_switch_to_wget_mode_internal (_IO_FILE *) __THROW; +extern int _IO_switch_to_wget_mode_internal (_IO_FILE *); extern void _IO_unsave_markers_internal (_IO_FILE *) __THROW; extern void _IO_switch_to_main_wget_area_internal (_IO_FILE *) __THROW; extern int _IO_wdo_write_internal (_IO_FILE *, const wchar_t *, _IO_size_t); extern int _IO_do_write_internal (_IO_FILE *, const char *, _IO_size_t); -extern _IO_ssize_t _IO_padn_internal (_IO_FILE *, int, _IO_ssize_t) __THROW; +extern _IO_ssize_t _IO_padn_internal (_IO_FILE *, int, _IO_ssize_t); extern _IO_size_t _IO_getline_info_internal (_IO_FILE *,char *, _IO_size_t, int, int, int *); extern _IO_size_t _IO_getline_internal (_IO_FILE *, char *, _IO_size_t, int, @@ -762,7 +735,7 @@ extern void _IO_free_backup_area_interna extern void _IO_switch_to_wbackup_area_internal (_IO_FILE *) __THROW; extern void _IO_setb_internal (_IO_FILE *, char *, char *, int) __THROW; extern wint_t _IO_sputbackwc_internal (_IO_FILE *, wint_t) __THROW; -extern int _IO_switch_to_get_mode_internal (_IO_FILE *) __THROW; +extern int _IO_switch_to_get_mode_internal (_IO_FILE *); extern int _IO_vfscanf_internal (_IO_FILE * __restrict, const char * __restrict, _IO_va_list, int *__restrict); @@ -772,9 +745,9 @@ extern void _IO_doallocbuf_internal (_IO extern void _IO_wsetb_internal (_IO_FILE *, wchar_t *, wchar_t *, int) __THROW; extern _IO_off64_t _IO_seekoff_unlocked (_IO_FILE *, _IO_off64_t, int, int) - attribute_hidden __THROW; + attribute_hidden; extern _IO_off64_t _IO_seekpos_unlocked (_IO_FILE *, _IO_off64_t, int) - attribute_hidden __THROW; + attribute_hidden; extern int _IO_putc_internal (int __c, _IO_FILE *__fp); extern void _IO_init_internal (_IO_FILE *, int) __THROW; extern void _IO_un_link_internal (struct _IO_FILE_plus *) __THROW; @@ -866,12 +839,6 @@ extern void _IO_un_link_internal (struct #ifndef OS_FSTAT # define OS_FSTAT fstat #endif -struct stat; -extern _IO_ssize_t _IO_read (int, void *, _IO_size_t); -extern _IO_ssize_t _IO_write (int, const void *, _IO_size_t); -extern _IO_off64_t _IO_lseek (int, _IO_off64_t, int) __THROW; -extern int _IO_close (int); -extern int _IO_fstat (int, struct stat *) __THROW; extern int _IO_vscanf (const char *, _IO_va_list) __THROW; /* _IO_pos_BAD is an _IO_off64_t value indicating error, unknown, or EOF. */ Jakub