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/*
* Read MIME body-part, stopping on boundaries.
*/
/* (C) Copyright 1994 by Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of Carnegie
* Mellon University not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. Carnegie Mellon University makes no
* representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
* FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/* Max length of a MIME "boundary", per RFC 1521 */
#define PART_MAX_BOUNDARY_LEN 70
/* Structure describing an input file from which we read MIME */
struct part {
/* Input file */
FILE *infile;
/* Input buffer */
unsigned char *buf;
int buf_alloc;
unsigned char *ptr;
int cnt;
/* Boundary information */
char (*boundary)[PART_MAX_BOUNDARY_LEN+1];
int *boundary_length;
int boundary_alloc;
int boundary_num;
int boundary_seen; /* Index of boundary last seen, or
* boundary_num if no pending boundary
*/
};
#define part_getc(s) (((s)->cnt-- > 0 && (s)->ptr[0] != '\n') ? (int)*(s)->ptr++ : part_fill(s))
#define part_ungetc(c, s) ((s)->cnt++, ((s)->boundary_seen = (s)->boundary_num), (*--(s)->ptr = (c)))
extern struct part *part_init(FILE *infile);
extern char *part_gets(char *s, int n, struct part *part);
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