coreutils/lib/linebuffer.h
2003-06-18 07:39:28 +00:00

47 lines
1.6 KiB
C

/* linebuffer.h -- declarations for reading arbitrarily long lines
Copyright (C) 1986, 1991, 1998, 1999, 2002, 2003 Free Software
Foundation, Inc.
This program 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 program 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 program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#if !defined LINEBUFFER_H
# define LINEBUFFER_H
# include <stdio.h>
/* A `struct linebuffer' holds a line of text. */
struct linebuffer
{
size_t size; /* Allocated. */
size_t length; /* Used. */
char *buffer;
};
/* Initialize linebuffer LINEBUFFER for use. */
void initbuffer (struct linebuffer *linebuffer);
/* Read an arbitrarily long line of text from STREAM into LINEBUFFER.
Keep the newline; append a newline if it's the last line of a file
that ends in a non-newline character. Do not null terminate.
Return LINEBUFFER, except at end of file return 0. */
struct linebuffer *readlinebuffer (struct linebuffer *linebuffer, FILE *stream);
/* Free linebuffer LINEBUFFER and its data, all allocated with malloc. */
void freebuffer (struct linebuffer *);
#endif /* LINEBUFFER_H */