2020-09-02 16:47:03 +08:00
|
|
|
/* linebuffer.h -- declarations for reading arbitrarily long lines
|
|
|
|
|
|
2022-07-28 14:16:50 +08:00
|
|
|
Copyright (C) 1986, 1991, 1998-1999, 2002-2003, 2007, 2009-2022 Free
|
2020-09-02 16:47:03 +08:00
|
|
|
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
|
2022-07-28 14:16:50 +08:00
|
|
|
the Free Software Foundation, either version 3 of the License, or
|
2020-09-02 16:47:03 +08:00
|
|
|
(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, see <https://www.gnu.org/licenses/>. */
|
|
|
|
|
|
|
|
|
|
#if !defined LINEBUFFER_H
|
|
|
|
|
# define LINEBUFFER_H
|
|
|
|
|
|
2022-07-28 14:16:50 +08:00
|
|
|
# include "idx.h"
|
2020-09-02 16:47:03 +08:00
|
|
|
# include <stdio.h>
|
|
|
|
|
|
|
|
|
|
/* A 'struct linebuffer' holds a line of text. */
|
|
|
|
|
|
|
|
|
|
struct linebuffer
|
|
|
|
|
{
|
2022-07-28 14:16:50 +08:00
|
|
|
idx_t size; /* Allocated. */
|
|
|
|
|
idx_t length; /* Used. */
|
2020-09-02 16:47:03 +08:00
|
|
|
char *buffer;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/* Initialize linebuffer LINEBUFFER for use. */
|
|
|
|
|
void initbuffer (struct linebuffer *linebuffer);
|
|
|
|
|
|
|
|
|
|
/* Read an arbitrarily long line of text from STREAM into LINEBUFFER.
|
|
|
|
|
Consider lines to be terminated by DELIMITER.
|
|
|
|
|
Keep the delimiter; append DELIMITER if we reach EOF and it wasn't
|
|
|
|
|
the last character in the file. Do not NUL-terminate.
|
|
|
|
|
Return LINEBUFFER, except at end of file return NULL. */
|
|
|
|
|
struct linebuffer *readlinebuffer_delim (struct linebuffer *linebuffer,
|
|
|
|
|
FILE *stream, char delimiter);
|
|
|
|
|
|
|
|
|
|
/* 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 NUL-terminate.
|
|
|
|
|
Return LINEBUFFER, except at end of file return NULL. */
|
|
|
|
|
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 */
|
