libspopc/parsing.c

/* this is parsing.c file, part of the libspopc library sources
 * copyright © 2002- Benoit Rouits <brouits@free.fr>
 * released under the terms of the GNU Lesser General Public Licence.
 *
 * libspopc offers simple API for a pop3 client.
 * See RFC 1725 for pop3 specifications.
 * more information on http://herewe.servebeer.com/libspopc/
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <string.h>
#include "libspopc.h"

int dotline(char* buf, int total_size){
/* returns 1 if buf contains a "\r\n.\r\n" substring */
        int skip;
        char* ptr;

        if(!buf){
                return(0);
        }
        skip = total_size > TCPBUFLEN ? total_size - TCPBUFLEN : 0;
        ptr = buf + skip;
        while((ptr = strchr(ptr,'\r'))){
                /* RFC1939 specifies that the termination line is "CRLF.CRLF" */
                if((ptr[1] == '\n') && (ptr[2] == '.') && (ptr[3] == '\r') && (ptr[4] == '\n')){
                        return(1);
                }
                ptr++;
        }
        return(0);
}

DLLIMPORT int pop3_error(char* string){
/* returns 1 if string is a pop server error reply (i.e : -ERR ...) or NULL, 0 else */
        return(string?(!strncmp(string,"-ERR",(size_t)4)):1);
}
1	ben	1	/* this is parsing.c file, part of the libspopc library sources
2			* copyright © 2002- Benoit Rouits <brouits@free.fr>
3			* released under the terms of the GNU Lesser General Public Licence.
4			*
5			* libspopc offers simple API for a pop3 client.
6			* See RFC 1725 for pop3 specifications.
7	ben	2	* more information on http://herewe.servebeer.com/libspopc/
8	ben	1	*
9			* This library is free software; you can redistribute it and/or
10			* modify it under the terms of the GNU Lesser General Public
11			* License as published by the Free Software Foundation; either
12			* version 2.1 of the License, or (at your option) any later version.
13			*
14			* This library is distributed in the hope that it will be useful,
15			* but WITHOUT ANY WARRANTY; without even the implied warranty of
16			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17			* Lesser General Public License for more details.
18			*
19			* You should have received a copy of the GNU Lesser General Public
20			* License along with this library; if not, write to the Free Software
21			* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22			*/
23
24			#include <string.h>
25			#include "libspopc.h"
26
27	ben	24	int dotline(char* buf, int total_size){
28	ben	1	/* returns 1 if buf contains a "\r\n.\r\n" substring */
29	ben	24	int skip;
30	ben	1	char* ptr;
31
32			if(!buf){
33			return(0);
34			}
35	ben	24	skip = total_size > TCPBUFLEN ? total_size - TCPBUFLEN : 0;
36			ptr = buf + skip;
37	ben	1	while((ptr = strchr(ptr,'\r'))){
38			/* RFC1939 specifies that the termination line is "CRLF.CRLF" */
39			if((ptr[1] == '\n') && (ptr[2] == '.') && (ptr[3] == '\r') && (ptr[4] == '\n')){
40			return(1);
41			}
42			ptr++;
43			}
44			return(0);
45			}
46
47	ben	6	DLLIMPORT int pop3_error(char* string){
48	ben	1	/* returns 1 if string is a pop server error reply (i.e : -ERR ...) or NULL, 0 else */
49			return(string?(!strncmp(string,"-ERR",(size_t)4)):1);
50			}