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/* This software was written by Dirk Engling <erdgeist@erdgeist.org>
It is considered beerware. Prost. Skol. Cheers or whatever.
$id$ */
#ifndef __SCAN_URLENCODED_QUERY_H__
#define __SCAN_URLENCODED_QUERY_H__
#include <sys/types.h>
typedef struct {
char *key;
int value;
} ot_keywords;
typedef enum {
SCAN_PATH = 1,
SCAN_SEARCHPATH_PARAM = 2,
SCAN_SEARCHPATH_VALUE = 4,
SCAN_SEARCHPATH_TERMINATOR = 8
} SCAN_SEARCHPATH_FLAG;
/* string in: pointer to source
out: pointer to next scan position
deststring pointer to destination
flags determines, what to parse
returns number of valid converted characters in deststring
or -1 for parse error
or -2 for terminator found
*/
ssize_t scan_urlencoded_query(char **string, char *deststring, SCAN_SEARCHPATH_FLAG flags);
/* string in: pointer to source
out: pointer to next scan position
flags determines, what to parse
returns value for matched keyword
or -1 for parse error
or -2 for terminator found
or -3 for no keyword matched
*/
int scan_find_keywords( const ot_keywords * keywords, char **string, SCAN_SEARCHPATH_FLAG flags);
/* string in: pointer to value of a param=value pair to skip
out: pointer to next scan position on return
*/
void scan_urlencoded_skipvalue( char **string );
/* data pointer to len chars of string
len length of chars in data to parse
number number to receive result
returns number of bytes not parsed, mostly !=0 means fail
*/
ssize_t scan_fixed_int( char *data, size_t len, int *number );
/* data pointer to len chars of string
len length of chars in data to parse
ip buffer to receive result
returns number of bytes not parsed, mostly !=0 means fail
*/
ssize_t scan_fixed_ip( char *data, size_t len, unsigned char ip[4] );
#endif
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