summaryrefslogtreecommitdiff
path: root/contrib/libstdc++/src/strstream.cc
diff options
context:
space:
mode:
Diffstat (limited to 'contrib/libstdc++/src/strstream.cc')
-rw-r--r--contrib/libstdc++/src/strstream.cc419
1 files changed, 0 insertions, 419 deletions
diff --git a/contrib/libstdc++/src/strstream.cc b/contrib/libstdc++/src/strstream.cc
deleted file mode 100644
index f2214549ab7cc..0000000000000
--- a/contrib/libstdc++/src/strstream.cc
+++ /dev/null
@@ -1,419 +0,0 @@
-// strstream definitions -*- C++ -*-
-
-// Copyright (C) 2001, 2002, 2003, 2005 Free Software Foundation
-//
-// 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 2, 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.
-
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-// USA.
-
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
-
-/*
- * Copyright (c) 1998
- * Silicon Graphics Computer Systems, Inc.
- *
- * Permission to use, copy, modify, distribute and sell this software
- * and its documentation for any purpose is hereby granted without fee,
- * provided that the above copyright notice appear in all copies and
- * that both that copyright notice and this permission notice appear
- * in supporting documentation. Silicon Graphics makes no
- * representations about the suitability of this software for any
- * purpose. It is provided "as is" without express or implied warranty.
- */
-
-// Implementation of the classes in header <strstream>.
-// WARNING: The classes defined in <strstream> are DEPRECATED. This
-// header is defined in section D.7.1 of the C++ standard, and it
-// MAY BE REMOVED in a future standard revision. You should use the
-// header <sstream> instead.
-
-#include <strstream>
-#include <algorithm>
-#include <new>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-
-_GLIBCXX_BEGIN_NAMESPACE(std)
-
- strstreambuf::strstreambuf(streamsize initial_capacity)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(true),
- _M_frozen(false), _M_constant(false)
- {
- streamsize n = std::max(initial_capacity, streamsize(16));
-
- char* buf = _M_alloc(n);
- if (buf)
- {
- setp(buf, buf + n);
- setg(buf, buf, buf);
- }
- }
-
- strstreambuf::strstreambuf(void* (*alloc_f)(size_t), void (*free_f)(void*))
- : _Base(), _M_alloc_fun(alloc_f), _M_free_fun(free_f), _M_dynamic(true),
- _M_frozen(false), _M_constant(false)
- {
- streamsize n = 16;
-
- char* buf = _M_alloc(n);
- if (buf)
- {
- setp(buf, buf + n);
- setg(buf, buf, buf);
- }
- }
-
- strstreambuf::strstreambuf(char* get, streamsize n, char* put)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(false),
- _M_frozen(false), _M_constant(false)
- { _M_setup(get, put, n); }
-
- strstreambuf::strstreambuf(signed char* get, streamsize n, signed char* put)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(false),
- _M_frozen(false), _M_constant(false)
- { _M_setup(reinterpret_cast<char*>(get), reinterpret_cast<char*>(put), n); }
-
- strstreambuf::strstreambuf(unsigned char* get, streamsize n,
- unsigned char* put)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(false),
- _M_frozen(false), _M_constant(false)
- { _M_setup(reinterpret_cast<char*>(get), reinterpret_cast<char*>(put), n); }
-
- strstreambuf::strstreambuf(const char* get, streamsize n)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(false),
- _M_frozen(false), _M_constant(true)
- { _M_setup(const_cast<char*>(get), 0, n); }
-
- strstreambuf::strstreambuf(const signed char* get, streamsize n)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(false),
- _M_frozen(false), _M_constant(true)
- { _M_setup(reinterpret_cast<char*>(const_cast<signed char*>(get)), 0, n); }
-
- strstreambuf::strstreambuf(const unsigned char* get, streamsize n)
- : _Base(), _M_alloc_fun(0), _M_free_fun(0), _M_dynamic(false),
- _M_frozen(false), _M_constant(true)
- { _M_setup(reinterpret_cast<char*>(const_cast<unsigned char*>(get)), 0, n); }
-
- strstreambuf::~strstreambuf()
- {
- if (_M_dynamic && !_M_frozen)
- _M_free(eback());
- }
-
- void
- strstreambuf::freeze(bool frozenflag)
- {
- if (_M_dynamic)
- _M_frozen = frozenflag;
- }
-
- char*
- strstreambuf::str()
- {
- freeze(true);
- return eback();
- }
-
- int
- strstreambuf::pcount() const
- { return pptr() ? pptr() - pbase() : 0; }
-
- strstreambuf::int_type
- strstreambuf::overflow(int_type c)
- {
- if (c == traits_type::eof())
- return traits_type::not_eof(c);
-
- // Try to expand the buffer.
- if (pptr() == epptr() && _M_dynamic && !_M_frozen && !_M_constant)
- {
- ptrdiff_t old_size = epptr() - pbase();
- ptrdiff_t new_size = std::max(ptrdiff_t(2 * old_size), ptrdiff_t(1));
-
- char* buf = _M_alloc(new_size);
- if (buf)
- {
- memcpy(buf, pbase(), old_size);
- char* old_buffer = pbase();
- bool reposition_get = false;
- ptrdiff_t old_get_offset;
- if (gptr() != 0)
- {
- reposition_get = true;
- old_get_offset = gptr() - eback();
- }
-
- setp(buf, buf + new_size);
- pbump(old_size);
-
- if (reposition_get)
- setg(buf, buf + old_get_offset, buf +
- std::max(old_get_offset, old_size));
-
- _M_free(old_buffer);
- }
- }
-
- if (pptr() != epptr())
- {
- *pptr() = c;
- pbump(1);
- return c;
- }
- else
- return traits_type::eof();
- }
-
- strstreambuf::int_type
- strstreambuf::pbackfail(int_type c)
- {
- if (gptr() != eback())
- {
- if (c == _Traits::eof())
- {
- gbump(-1);
- return _Traits::not_eof(c);
- }
- else if (c == _Traits::to_int_type(gptr()[-1]))
- { // KLUDGE
- gbump(-1);
- return c;
- }
- else if (!_M_constant)
- {
- gbump(-1);
- *gptr() = c;
- return c;
- }
- }
- return _Traits::eof();
- }
-
- strstreambuf::int_type
- strstreambuf::underflow()
- {
- if (gptr() == egptr() && pptr() && pptr() > egptr())
- setg(eback(), gptr(), pptr());
-
- if (gptr() != egptr())
- return (unsigned char) *gptr();
- else
- return _Traits::eof();
- }
-
- basic_streambuf<char, char_traits<char> >*
- strstreambuf::setbuf(char*, streamsize)
- { return this; }
-
- strstreambuf::pos_type
- strstreambuf::seekoff(off_type off, ios_base::seekdir dir,
- ios_base::openmode mode)
- {
- bool do_get = false;
- bool do_put = false;
-
- if ((mode & (ios_base::in | ios_base::out))
- == (ios_base::in | ios_base::out) &&
- (dir == ios_base::beg || dir == ios_base::end))
- do_get = do_put = true;
- else if (mode & ios_base::in)
- do_get = true;
- else if (mode & ios_base::out)
- do_put = true;
-
- // !gptr() is here because, according to D.7.1 paragraph 4, the seekable
- // area is undefined if there is no get area.
- if ((!do_get && !do_put) || (do_put && !pptr()) || !gptr())
- return pos_type(off_type(-1));
-
- char* seeklow = eback();
- char* seekhigh = epptr() ? epptr() : egptr();
-
- off_type newoff;
- switch (dir)
- {
- case ios_base::beg:
- newoff = 0;
- break;
- case ios_base::end:
- newoff = seekhigh - seeklow;
- break;
- case ios_base::cur:
- newoff = do_put ? pptr() - seeklow : gptr() - seeklow;
- break;
- default:
- return pos_type(off_type(-1));
- }
-
- off += newoff;
- if (off < 0 || off > seekhigh - seeklow)
- return pos_type(off_type(-1));
-
- if (do_put)
- {
- if (seeklow + off < pbase())
- {
- setp(seeklow, epptr());
- pbump(off);
- }
- else
- {
- setp(pbase(), epptr());
- pbump(off - (pbase() - seeklow));
- }
- }
- if (do_get)
- {
- if (off <= egptr() - seeklow)
- setg(seeklow, seeklow + off, egptr());
- else if (off <= pptr() - seeklow)
- setg(seeklow, seeklow + off, pptr());
- else
- setg(seeklow, seeklow + off, epptr());
- }
- return pos_type(newoff);
- }
-
- strstreambuf::pos_type
- strstreambuf::seekpos(pos_type pos, ios_base::openmode mode)
- { return seekoff(pos - pos_type(off_type(0)), ios_base::beg, mode); }
-
- char*
- strstreambuf::_M_alloc(size_t n)
- {
- if (_M_alloc_fun)
- return static_cast<char*>(_M_alloc_fun(n));
- else
- return new char[n];
- }
-
- void
- strstreambuf::_M_free(char* p)
- {
- if (p)
- {
- if (_M_free_fun)
- _M_free_fun(p);
- else
- delete[] p;
- }
- }
-
- void
- strstreambuf::_M_setup(char* get, char* put, streamsize n)
- {
- if (get)
- {
- size_t N = n > 0 ? size_t(n) : n == 0 ? strlen(get) : size_t(INT_MAX);
-
- if (put)
- {
- setg(get, get, put);
- setp(put, put + N);
- }
- else
- setg(get, get, get + N);
- }
- }
-
- istrstream::istrstream(char* s)
- : basic_ios<char>(), basic_istream<char>(0), _M_buf(s, 0)
- { basic_ios<char>::init(&_M_buf); }
-
- istrstream::istrstream(const char* s)
- : basic_ios<char>(), basic_istream<char>(0), _M_buf(s, 0)
- { basic_ios<char>::init(&_M_buf); }
-
- istrstream::istrstream(char* s, streamsize n)
- : basic_ios<char>(), basic_istream<char>(0), _M_buf(s, n)
- { basic_ios<char>::init(&_M_buf); }
-
- istrstream::istrstream(const char* s, streamsize n)
- : basic_ios<char>(), basic_istream<char>(0), _M_buf(s, n)
- { basic_ios<char>::init(&_M_buf); }
-
- istrstream::~istrstream() { }
-
- strstreambuf*
- istrstream::rdbuf() const
- { return const_cast<strstreambuf*>(&_M_buf); }
-
- char*
- istrstream::str()
- { return _M_buf.str(); }
-
- ostrstream::ostrstream()
- : basic_ios<char>(), basic_ostream<char>(0), _M_buf()
- { basic_ios<char>::init(&_M_buf); }
-
- ostrstream::ostrstream(char* s, int n, ios_base::openmode mode)
- : basic_ios<char>(), basic_ostream<char>(0),
- _M_buf(s, n, mode & ios_base::app ? s + strlen(s) : s)
- { basic_ios<char>::init(&_M_buf); }
-
- ostrstream::~ostrstream() {}
-
- strstreambuf*
- ostrstream::rdbuf() const
- { return const_cast<strstreambuf*>(&_M_buf); }
-
- void
- ostrstream::freeze(bool freezeflag)
- { _M_buf.freeze(freezeflag); }
-
- char*
- ostrstream::str()
- { return _M_buf.str(); }
-
- int
- ostrstream::pcount() const
- { return _M_buf.pcount(); }
-
- strstream::strstream()
- : basic_ios<char>(), basic_iostream<char>(0), _M_buf()
- { basic_ios<char>::init(&_M_buf); }
-
- strstream::strstream(char* s, int n, ios_base::openmode mode)
- : basic_ios<char>(), basic_iostream<char>(0),
- _M_buf(s, n, mode & ios_base::app ? s + strlen(s) : s)
- { basic_ios<char>::init(&_M_buf); }
-
- strstream::~strstream() { }
-
- strstreambuf*
- strstream::rdbuf() const
- { return const_cast<strstreambuf*>(&_M_buf); }
-
- void
- strstream::freeze(bool freezeflag)
- { _M_buf.freeze(freezeflag); }
-
- int
- strstream::pcount() const
- { return _M_buf.pcount(); }
-
- char*
- strstream::str()
- { return _M_buf.str(); }
-
-_GLIBCXX_END_NAMESPACE
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-02 03:04:40 +0000