view lib/readtokens.h @ 12246:b156d2d1b827

freopen-safer: new module * modules/freopen-safer: New module. * m4/stdio-safer.m4 (gl_FREOPEN_SAFER): New macro. * lib/freopen-safer.c (freopen_safer): New file. * lib/stdio-safer.h (freopen_safer): New declaration. * lib/stdio--.h (freopen): New override. * MODULES.html.sh (File stream based Input/Output): Mention it. * doc/posix-functions/freopen.texi (freopen): Mention pitfalls and freopen-safer module. * doc/posix-functions/stderr.texi (stderr): Likewise. * doc/posix-functions/stdin.texi (stdin): Likewise. * doc/posix-functions/stdout.texi (stdout): Likewise. * modules/freopen-safer-tests: New test. * tests/test-reopen-safer.c: New file. Signed-off-by: Eric Blake <ebb9@byu.net>
author Eric Blake <ebb9@byu.net>
date Thu, 05 Nov 2009 15:13:00 -0700
parents bbbbbf4cd1c5
children e8d2c6fc33ad
line wrap: on
line source

/* readtokens.h -- Functions for reading tokens from an input stream.

   Copyright (C) 1990, 1991, 1999, 2001-2004 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.

   Written by Jim Meyering. */

#ifndef READTOKENS_H
# define READTOKENS_H

# include <stdio.h>

struct tokenbuffer
{
  size_t size;
  char *buffer;
};
typedef struct tokenbuffer token_buffer;

void init_tokenbuffer (token_buffer *tokenbuffer);

size_t
  readtoken (FILE *stream, const char *delim, size_t n_delim,
	     token_buffer *tokenbuffer);
size_t
  readtokens (FILE *stream, size_t projected_n_tokens,
	      const char *delim, size_t n_delim,
	      char ***tokens_out, size_t **token_lengths);

#endif /* not READTOKENS_H */