/* getndelim2 - Read a line from a stream, stopping at one of 2 delimiters,
with bounded memory allocation.
- Copyright (C) 2003 Free Software Foundation, Inc.
+ Copyright (C) 2003-2004, 2006, 2009-2011 Free Software Foundation, Inc.
- This program is free software; you can redistribute it and/or modify
+ 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.
+ 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
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. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef GETNDELIM2_H
#define GETNDELIM2_H 1
-#include <stddef.h>
#include <stdio.h>
-
-/* Get ssize_t. */
#include <sys/types.h>
-/* Read up to (and including) a delimiter DELIM1 from STREAM into *LINEPTR
- + OFFSET (and NUL-terminate it). If DELIM2 is non-zero, then read up
- and including the first occurrence of DELIM1 or DELIM2. *LINEPTR is
- a pointer returned from malloc (or NULL), pointing to *LINESIZE bytes of
- space. It is realloc'd as necessary. Reallocation is limited to
- NMAX bytes; if the line is longer than that, the extra bytes are read but
- thrown away.
+#define GETNLINE_NO_LIMIT ((size_t) -1)
+
+/* Read into a buffer *LINEPTR returned from malloc (or NULL),
+ pointing to *LINESIZE bytes of space. Store the input bytes
+ starting at *LINEPTR + OFFSET, and null-terminate them. Reallocate
+ the buffer as necessary, but if NMAX is not GETNLINE_NO_LIMIT
+ then do not allocate more than NMAX bytes; if the line is longer
+ than that, read and discard the extra bytes. Stop reading after
+ the first occurrence of DELIM1 or DELIM2, whichever comes first;
+ a delimiter equal to EOF stands for no delimiter. Read the
+ input bytes from STREAM.
Return the number of bytes read and stored at *LINEPTR + OFFSET (not
including the NUL terminator), or -1 on error or EOF. */
-extern ssize_t getndelim2 (char **lineptr, size_t *linesize, size_t nmax,
- FILE *stream, int delim1, int delim2,
- size_t offset);
+extern ssize_t getndelim2 (char **lineptr, size_t *linesize, size_t offset,
+ size_t nmax, int delim1, int delim2,
+ FILE *stream);
#endif /* GETNDELIM2_H */