parseutil.h

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/*
 * parseutil.h - parse utilities for string and wire conversion
 *
 * (c) NLnet Labs, 2004
 *
 * See the file LICENSE for the license
 */
 
#ifndef LDNS_PARSEUTIL_H
#define LDNS_PARSEUTIL_H
struct tm;

struct sldns_struct_lookup_table {
        int id;
        const char *name;
};
typedef struct sldns_struct_lookup_table sldns_lookup_table;

sldns_lookup_table *sldns_lookup_by_name(sldns_lookup_table table[],
                                       const char *name);
sldns_lookup_table *sldns_lookup_by_id(sldns_lookup_table table[], int id);

time_t sldns_mktime_from_utc(const struct tm *tm);

struct tm * sldns_serial_arithmetics_gmtime_r(int32_t time, time_t now, struct tm *result);

uint32_t sldns_str2period(const char *nptr, const char **endptr);

int sldns_hexdigit_to_int(char ch);

size_t sldns_b64_ntop_calculate_size(size_t srcsize);
 
int sldns_b64_ntop(uint8_t const *src, size_t srclength,
    char *target, size_t targsize);

size_t sldns_b64_pton_calculate_size(size_t srcsize);
 
int sldns_b64_pton(char const *src, uint8_t *target, size_t targsize);

size_t sldns_b32_ntop_calculate_size(size_t src_data_length);
 
size_t sldns_b32_ntop_calculate_size_no_padding(size_t src_data_length);
 
int sldns_b32_ntop(const uint8_t* src_data, size_t src_data_length,
    char* target_text_buffer, size_t target_text_buffer_size);
 
int sldns_b32_ntop_extended_hex(const uint8_t* src_data, size_t src_data_length,
    char* target_text_buffer, size_t target_text_buffer_size);

size_t sldns_b32_pton_calculate_size(size_t src_text_length);
 
int sldns_b32_pton(const char* src_text, size_t src_text_length,
    uint8_t* target_data_buffer, size_t target_data_buffer_size);
 
int sldns_b32_pton_extended_hex(const char* src_text, size_t src_text_length,
    uint8_t* target_data_buffer, size_t target_data_buffer_size);
 
/*
 * Checks whether the escaped value at **s is an octal value or
 * a 'normally' escaped character (and not eos)
 *
 * @param ch_p: the parsed character
 * @param str_p: the string. moved along for characters read.
 * The string pointer at *s is increased by either 0 (on error), 1 (on
 * normal escapes), or 3 (on octals)
 *
 * @return 0 on error
 */
int sldns_parse_escape(uint8_t *ch_p, const char** str_p);

int sldns_parse_char(uint8_t *ch_p, const char** str_p);
 
#endif /* LDNS_PARSEUTIL_H */