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-rw-r--r--gcc-4.4.3/libstdc++-v3/config/io/basic_file_stdio.cc380
1 files changed, 0 insertions, 380 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/config/io/basic_file_stdio.cc b/gcc-4.4.3/libstdc++-v3/config/io/basic_file_stdio.cc
deleted file mode 100644
index fd20d1aba..000000000
--- a/gcc-4.4.3/libstdc++-v3/config/io/basic_file_stdio.cc
+++ /dev/null
@@ -1,380 +0,0 @@
-// Wrapper of C-language FILE struct -*- C++ -*-
-
-// Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2009
-// Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the
-// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 3, or (at your option)
-// any later version.
-
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
-// <http://www.gnu.org/licenses/>.
-
-//
-// ISO C++ 14882: 27.8 File-based streams
-//
-
-#include <bits/basic_file.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#ifdef _GLIBCXX_HAVE_POLL
-#include <poll.h>
-#endif
-
-// Pick up ioctl on Solaris 2.8
-#ifdef _GLIBCXX_HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-
-// Pick up FIONREAD on Solaris 2
-#ifdef _GLIBCXX_HAVE_SYS_IOCTL_H
-#define BSD_COMP
-#include <sys/ioctl.h>
-#endif
-
-// Pick up FIONREAD on Solaris 2.5.
-#ifdef _GLIBCXX_HAVE_SYS_FILIO_H
-#include <sys/filio.h>
-#endif
-
-#ifdef _GLIBCXX_HAVE_SYS_UIO_H
-#include <sys/uio.h>
-#endif
-
-#if defined(_GLIBCXX_HAVE_S_ISREG) || defined(_GLIBCXX_HAVE_S_IFREG)
-# include <sys/stat.h>
-# ifdef _GLIBCXX_HAVE_S_ISREG
-# define _GLIBCXX_ISREG(x) S_ISREG(x)
-# else
-# define _GLIBCXX_ISREG(x) (((x) & S_IFMT) == S_IFREG)
-# endif
-#endif
-
-#include <limits> // For <off_t>::max() and min() and <streamsize>::max()
-
-namespace
-{
- // Map ios_base::openmode flags to a string for use in fopen().
- // Table of valid combinations as given in [lib.filebuf.members]/2.
- static const char*
- fopen_mode(std::ios_base::openmode mode)
- {
- enum
- {
- in = std::ios_base::in,
- out = std::ios_base::out,
- trunc = std::ios_base::trunc,
- app = std::ios_base::app,
- binary = std::ios_base::binary
- };
-
- // _GLIBCXX_RESOLVE_LIB_DEFECTS
- // 596. 27.8.1.3 Table 112 omits "a+" and "a+b" modes.
- switch (mode & (in|out|trunc|app|binary))
- {
- case ( out ): return "w";
- case ( out |app ): return "a";
- case ( app ): return "a";
- case ( out|trunc ): return "w";
- case (in ): return "r";
- case (in|out ): return "r+";
- case (in|out|trunc ): return "w+";
- case (in|out |app ): return "a+";
- case (in |app ): return "a+";
-
- case ( out |binary): return "wb";
- case ( out |app|binary): return "ab";
- case ( app|binary): return "ab";
- case ( out|trunc |binary): return "wb";
- case (in |binary): return "rb";
- case (in|out |binary): return "r+b";
- case (in|out|trunc |binary): return "w+b";
- case (in|out |app|binary): return "a+b";
- case (in |app|binary): return "a+b";
-
- default: return 0; // invalid
- }
- }
-
- // Wrapper handling partial write.
- static std::streamsize
- xwrite(int __fd, const char* __s, std::streamsize __n)
- {
- std::streamsize __nleft = __n;
-
- for (;;)
- {
- const std::streamsize __ret = write(__fd, __s, __nleft);
- if (__ret == -1L && errno == EINTR)
- continue;
- if (__ret == -1L)
- break;
-
- __nleft -= __ret;
- if (__nleft == 0)
- break;
-
- __s += __ret;
- }
-
- return __n - __nleft;
- }
-
-#ifdef _GLIBCXX_HAVE_WRITEV
- // Wrapper handling partial writev.
- static std::streamsize
- xwritev(int __fd, const char* __s1, std::streamsize __n1,
- const char* __s2, std::streamsize __n2)
- {
- std::streamsize __nleft = __n1 + __n2;
- std::streamsize __n1_left = __n1;
-
- struct iovec __iov[2];
- __iov[1].iov_base = const_cast<char*>(__s2);
- __iov[1].iov_len = __n2;
-
- for (;;)
- {
- __iov[0].iov_base = const_cast<char*>(__s1);
- __iov[0].iov_len = __n1_left;
-
- const std::streamsize __ret = writev(__fd, __iov, 2);
- if (__ret == -1L && errno == EINTR)
- continue;
- if (__ret == -1L)
- break;
-
- __nleft -= __ret;
- if (__nleft == 0)
- break;
-
- const std::streamsize __off = __ret - __n1_left;
- if (__off >= 0)
- {
- __nleft -= xwrite(__fd, __s2 + __off, __n2 - __off);
- break;
- }
-
- __s1 += __ret;
- __n1_left -= __ret;
- }
-
- return __n1 + __n2 - __nleft;
- }
-#endif
-} // anonymous namespace
-
-
-_GLIBCXX_BEGIN_NAMESPACE(std)
-
- // Definitions for __basic_file<char>.
- __basic_file<char>::__basic_file(__c_lock* /*__lock*/)
- : _M_cfile(NULL), _M_cfile_created(false) { }
-
- __basic_file<char>::~__basic_file()
- { this->close(); }
-
- __basic_file<char>*
- __basic_file<char>::sys_open(__c_file* __file, ios_base::openmode)
- {
- __basic_file* __ret = NULL;
- if (!this->is_open() && __file)
- {
- int __err;
- errno = 0;
- do
- __err = this->sync();
- while (__err && errno == EINTR);
- if (!__err)
- {
- _M_cfile = __file;
- _M_cfile_created = false;
- __ret = this;
- }
- }
- return __ret;
- }
-
- __basic_file<char>*
- __basic_file<char>::sys_open(int __fd, ios_base::openmode __mode)
- {
- __basic_file* __ret = NULL;
- const char* __c_mode = fopen_mode(__mode);
- if (__c_mode && !this->is_open() && (_M_cfile = fdopen(__fd, __c_mode)))
- {
- char* __buf = NULL;
- _M_cfile_created = true;
- if (__fd == 0)
- setvbuf(_M_cfile, __buf, _IONBF, 0);
- __ret = this;
- }
- return __ret;
- }
-
- __basic_file<char>*
- __basic_file<char>::open(const char* __name, ios_base::openmode __mode,
- int /*__prot*/)
- {
- __basic_file* __ret = NULL;
- const char* __c_mode = fopen_mode(__mode);
- if (__c_mode && !this->is_open())
- {
-#ifdef _GLIBCXX_USE_LFS
- if ((_M_cfile = fopen64(__name, __c_mode)))
-#else
- if ((_M_cfile = fopen(__name, __c_mode)))
-#endif
- {
- _M_cfile_created = true;
- __ret = this;
- }
- }
- return __ret;
- }
-
- bool
- __basic_file<char>::is_open() const
- { return _M_cfile != 0; }
-
- int
- __basic_file<char>::fd()
- { return fileno(_M_cfile); }
-
- __c_file*
- __basic_file<char>::file()
- { return _M_cfile; }
-
- __basic_file<char>*
- __basic_file<char>::close()
- {
- __basic_file* __ret = static_cast<__basic_file*>(NULL);
- if (this->is_open())
- {
- int __err = 0;
- if (_M_cfile_created)
- {
- // In general, no need to zero errno in advance if checking
- // for error first. However, C89/C99 (at variance with IEEE
- // 1003.1, f.i.) do not mandate that fclose must set errno
- // upon error.
- errno = 0;
- do
- __err = fclose(_M_cfile);
- while (__err && errno == EINTR);
- }
- _M_cfile = 0;
- if (!__err)
- __ret = this;
- }
- return __ret;
- }
-
- streamsize
- __basic_file<char>::xsgetn(char* __s, streamsize __n)
- {
- streamsize __ret;
- do
- __ret = read(this->fd(), __s, __n);
- while (__ret == -1L && errno == EINTR);
- return __ret;
- }
-
- streamsize
- __basic_file<char>::xsputn(const char* __s, streamsize __n)
- { return xwrite(this->fd(), __s, __n); }
-
- streamsize
- __basic_file<char>::xsputn_2(const char* __s1, streamsize __n1,
- const char* __s2, streamsize __n2)
- {
- streamsize __ret = 0;
-#ifdef _GLIBCXX_HAVE_WRITEV
- __ret = xwritev(this->fd(), __s1, __n1, __s2, __n2);
-#else
- if (__n1)
- __ret = xwrite(this->fd(), __s1, __n1);
-
- if (__ret == __n1)
- __ret += xwrite(this->fd(), __s2, __n2);
-#endif
- return __ret;
- }
-
- streamoff
- __basic_file<char>::seekoff(streamoff __off, ios_base::seekdir __way)
- {
-#ifdef _GLIBCXX_USE_LFS
- return lseek64(this->fd(), __off, __way);
-#else
- if (__off > numeric_limits<off_t>::max()
- || __off < numeric_limits<off_t>::min())
- return -1L;
- return lseek(this->fd(), __off, __way);
-#endif
- }
-
- int
- __basic_file<char>::sync()
- { return fflush(_M_cfile); }
-
- streamsize
- __basic_file<char>::showmanyc()
- {
-#ifdef FIONREAD
- // Pipes and sockets.
-#ifdef _GLIBCXX_FIONREAD_TAKES_OFF_T
- off_t __num = 0;
-#else
- int __num = 0;
-#endif
- int __r = ioctl(this->fd(), FIONREAD, &__num);
- if (!__r && __num >= 0)
- return __num;
-#endif
-
-#ifdef _GLIBCXX_HAVE_POLL
- // Cheap test.
- struct pollfd __pfd[1];
- __pfd[0].fd = this->fd();
- __pfd[0].events = POLLIN;
- if (poll(__pfd, 1, 0) <= 0)
- return 0;
-#endif
-
-#if defined(_GLIBCXX_HAVE_S_ISREG) || defined(_GLIBCXX_HAVE_S_IFREG)
- // Regular files.
-#ifdef _GLIBCXX_USE_LFS
- struct stat64 __buffer;
- const int __err = fstat64(this->fd(), &__buffer);
- if (!__err && _GLIBCXX_ISREG(__buffer.st_mode))
- {
- const streamoff __off = __buffer.st_size - lseek64(this->fd(), 0,
- ios_base::cur);
- return std::min(__off, streamoff(numeric_limits<streamsize>::max()));
- }
-#else
- struct stat __buffer;
- const int __err = fstat(this->fd(), &__buffer);
- if (!__err && _GLIBCXX_ISREG(__buffer.st_mode))
- return __buffer.st_size - lseek(this->fd(), 0, ios_base::cur);
-#endif
-#endif
- return 0;
- }
-
-_GLIBCXX_END_NAMESPACE
-