/[libspopc]/parsing.c
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Contents of /parsing.c

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Revision 24 - (show annotations)
Sun Apr 8 22:56:53 2012 UTC (8 years, 2 months ago) by ben
File MIME type: text/plain
File size: 1784 byte(s)
speedup dotline()

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 * more information on http://herewe.servebeer.com/libspopc/
8 *
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 int dotline(char* buf, int total_size){
28 /* returns 1 if buf contains a "\r\n.\r\n" substring */
29 int skip;
30 char* ptr;
31
32 if(!buf){
33 return(0);
34 }
35 skip = total_size > TCPBUFLEN ? total_size - TCPBUFLEN : 0;
36 ptr = buf + skip;
37 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 DLLIMPORT int pop3_error(char* string){
48 /* 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 }

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