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