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Diffstat (limited to 'contrib/libio/iogetline.c')
-rw-r--r-- | contrib/libio/iogetline.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/contrib/libio/iogetline.c b/contrib/libio/iogetline.c deleted file mode 100644 index 5aac9b56387e..000000000000 --- a/contrib/libio/iogetline.c +++ /dev/null @@ -1,112 +0,0 @@ -/* Copyright (C) 1993, 1997, 1998 Free Software Foundation, Inc. - 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 <string.h> - -#if defined(_LIBC) || !_G_HAVE_IO_GETLINE_INFO - -_IO_size_t -_IO_getline (fp, buf, n, delim, extract_delim) - _IO_FILE *fp; - char *buf; - _IO_size_t n; - int delim; - int extract_delim; -{ - return _IO_getline_info (fp, buf, n, delim, extract_delim, (int *) 0); -} - -/* Algorithm based on that used by Berkeley pre-4.4 fgets implementation. - - Read chars into buf (of size n), until delim is seen. - Return number of chars read (at most n). - Does not put a terminating '\0' in buf. - If extract_delim < 0, leave delimiter unread. - If extract_delim > 0, insert delim in output. */ - -_IO_size_t -_IO_getline_info (fp, buf, n, delim, extract_delim, eof) - _IO_FILE *fp; - char *buf; - _IO_size_t n; - int delim; - int extract_delim; - int *eof; -{ - char *ptr = buf; - if (eof) *eof = 0; - while (n != 0) - { - _IO_ssize_t len = fp->_IO_read_end - fp->_IO_read_ptr; - if (len <= 0) - { - int c = __uflow (fp); - if (c == EOF) - { - if (eof) *eof = c; - break; - } - if (c == delim) - { - if (extract_delim > 0) - *ptr++ = c; - else if (extract_delim < 0) - _IO_sputbackc (fp, c); - return ptr - buf; - } - *ptr++ = c; - n--; - } - else - { - char *t; - if ((_IO_size_t) len >= n) - len = n; - t = (char *) memchr ((void *) fp->_IO_read_ptr, delim, len); - if (t != NULL) - { - _IO_size_t old_len = ptr-buf; - len = t - fp->_IO_read_ptr; - if (extract_delim >= 0) - { - ++t; - if (extract_delim > 0) - ++len; - } - memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); - fp->_IO_read_ptr = t; - return old_len + len; - } - memcpy ((void *) ptr, (void *) fp->_IO_read_ptr, len); - fp->_IO_read_ptr += len; - ptr += len; - n -= len; - } - } - return ptr - buf; -} - -#endif /* Defined(_LIBC) || !_G_HAVE_IO_GETLINE_INFO */ |