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Diffstat (limited to 'contrib/libio/isgetline.cc')
| -rw-r--r-- | contrib/libio/isgetline.cc | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/contrib/libio/isgetline.cc b/contrib/libio/isgetline.cc deleted file mode 100644 index 5e48a00..0000000 --- a/contrib/libio/isgetline.cc +++ /dev/null @@ -1,153 +0,0 @@ -/* This is part of libio/iostream, providing -*- C++ -*- input/output. -Copyright (C) 1993 Free Software Foundation - -This file is part of the GNU IO 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - -As a special exception, if you link this library with files -compiled with a GNU compiler to produce an executable, this does not 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. */ - -#include <libioP.h> -#include "iostream.h" -#include <string.h> - -istream& istream::getline(char* buf, int len, char delim) -{ - _gcount = 0; - if (len <= 0) - { - set(ios::failbit); - return *this; - } - int ch; - if (ipfx1()) - { - _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, - _strbuf); - streambuf *sb = rdbuf(); - _gcount = _IO_getline_info(sb, buf, len - 1, delim, -1, &ch); - if (ch != EOF) - ch = sb->sbumpc(); - if (ch == EOF) - set (_gcount == 0 ? (ios::failbit|ios::eofbit) : ios::eofbit); - else if (ch != (unsigned char) delim) - { - set(ios::failbit); - sb->sungetc(); // Leave delimiter unread. - } - isfx(); - _IO_cleanup_region_end (0); - } - else - ch = EOF; - buf[_gcount] = '\0'; - if (ch == (unsigned char)delim) - _gcount++; // The delimiter is counted in the gcount(). - return *this; -} - -istream& istream::get(char* buf, int len, char delim) -{ - _gcount = 0; - if (len <= 0) - { - set(ios::failbit); - return *this; - } - if (ipfx1()) - { - _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, - _strbuf); - streambuf *sbuf = rdbuf(); - int ch; - _gcount = _IO_getline_info(sbuf, buf, len - 1, delim, -1, &ch); - if (_gcount == 0 && ch == EOF) - set(ios::failbit|ios::eofbit); - isfx(); - _IO_cleanup_region_end (0); - } - buf[_gcount] = '\0'; - return *this; -} - - -// from Doug Schmidt - -#define CHUNK_SIZE 512 - -/* Reads an arbitrarily long input line terminated by a user-specified - TERMINATOR. Super-nifty trick using recursion avoids unnecessary calls - to NEW! */ - -char *_sb_readline (streambuf *sb, long& total, char terminator) -{ - char buf[CHUNK_SIZE]; - char *ptr; - int ch; - - _IO_size_t count = _IO_getline_info(sb, buf, CHUNK_SIZE, terminator, - -1, &ch); - if (ch != EOF) - ch = sb->sbumpc(); - long old_total = total; - total += count; - if (ch != EOF && ch != terminator) { - total++; // Include ch in total. - ptr = _sb_readline(sb, total, terminator); - if (ptr) { - memcpy(ptr + old_total, buf, count); - ptr[old_total+count] = ch; - } - return ptr; - } - - ptr = new char[total+1]; - if (ptr != NULL) { - ptr[total] = '\0'; - memcpy(ptr + total - count, buf, count); - } - return ptr; -} - -/* Reads an arbitrarily long input line terminated by TERMINATOR. - This routine allocates its own memory, so the user should - only supply the address of a (char *). */ - -istream& istream::gets(char **s, char delim /* = '\n' */) -{ - if (ipfx1()) { - _IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, - _strbuf); - long size = 0; - streambuf *sb = rdbuf(); - *s = _sb_readline (sb, size, delim); - _gcount = *s ? size : 0; - if (sb->_flags & _IO_EOF_SEEN) { - set(ios::eofbit); - if (_gcount == 0) - set(ios::failbit); - } - isfx(); - _IO_cleanup_region_end (0); - } - else { - _gcount = 0; - *s = NULL; - } - return *this; -} |
