parse.h
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1/*
2 * parse.h
3 *
4 * a Net::DNS like library for C
5 * LibDNS Team @ NLnet Labs
6 * (c) NLnet Labs, 2005-2006
7 * See the file LICENSE for the license
8 */
9
10#ifndef LDNS_PARSE_H
11#define LDNS_PARSE_H
12
13#include <ldns/common.h>
14#include <ldns/buffer.h>
15
16#ifdef __cplusplus
17extern "C" {
18#endif
19
20#define LDNS_PARSE_SKIP_SPACE "\f\n\r\v"
21#define LDNS_PARSE_NORMAL " \f\n\r\t\v"
22#define LDNS_PARSE_NO_NL " \t"
23#define LDNS_MAX_LINELEN 10230
24#define LDNS_MAX_KEYWORDLEN 32
25
26
45typedef enum ldns_enum_directive ldns_directive;
46
57ssize_t ldns_fget_token(FILE *f, char *token, const char *delim, size_t limit);
58
71ssize_t ldns_fget_token_l(FILE *f, char *token, const char *delim, size_t limit, int *line_nr);
72
86ssize_t ldns_fget_token_l_resolv_conf(FILE *f, char *token, const char *delim, size_t limit, int *line_nr);
87
112ldns_status ldns_fget_token_l_st(FILE *f, char **token, size_t *limit, bool fixed, const char *delim, int *line_nr);
113
124ssize_t ldns_bget_token(ldns_buffer *b, char *token, const char *delim, size_t limit);
125
126/*
127 * searches for keyword and delim in a file. Gives everything back
128 * after the keyword + k_del until we hit d_del
129 * \param[in] f file pointer to read from
130 * \param[in] keyword keyword to look for
131 * \param[in] k_del keyword delimiter
132 * \param[out] data the data found
133 * \param[in] d_del the data delimiter
134 * \param[in] data_limit maximum size the data buffer
135 * \return the number of character read
136 */
137ssize_t ldns_fget_keyword_data(FILE *f, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit);
138
139/*
140 * searches for keyword and delim. Gives everything back
141 * after the keyword + k_del until we hit d_del
142 * \param[in] f file pointer to read from
143 * \param[in] keyword keyword to look for
144 * \param[in] k_del keyword delimiter
145 * \param[out] data the data found
146 * \param[in] d_del the data delimiter
147 * \param[in] data_limit maximum size the data buffer
148 * \param[in] line_nr pointer to an integer containing the current line number (for
149debugging purposes)
150 * \return the number of character read
151 */
152ssize_t ldns_fget_keyword_data_l(FILE *f, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit, int *line_nr);
153
154/*
155 * searches for keyword and delim in a buffer. Gives everything back
156 * after the keyword + k_del until we hit d_del
157 * \param[in] b buffer pointer to read from
158 * \param[in] keyword keyword to look for
159 * \param[in] k_del keyword delimiter
160 * \param[out] data the data found
161 * \param[in] d_del the data delimiter
162 * \param[in] data_limit maximum size the data buffer
163 * \return the number of character read
164 */
165ssize_t ldns_bget_keyword_data(ldns_buffer *b, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit);
166
174int ldns_bgetc(ldns_buffer *buffer);
175
183void ldns_bskipcs(ldns_buffer *buffer, const char *s);
184
192void ldns_fskipcs(FILE *fp, const char *s);
193
194
203void ldns_fskipcs_l(FILE *fp, const char *s, int *line_nr);
204
205#ifdef __cplusplus
206}
207#endif
208
209#endif /* LDNS_PARSE_H */
buffer.h
This file contains the definition of ldns_buffer, and functions to manipulate those.
common.h
Common definitions for LDNS.
ldns_status
enum ldns_enum_status ldns_status
Definition error.h:148
ldns_fget_token_l
ssize_t ldns_fget_token_l(FILE *f, char *token, const char *delim, size_t limit, int *line_nr)
returns a token/char from the stream F.
Definition parse.c:247
ldns_fget_token_l_resolv_conf
ssize_t ldns_fget_token_l_resolv_conf(FILE *f, char *token, const char *delim, size_t limit, int *line_nr)
returns a token/char from the stream F.
Definition parse.c:234
ldns_fget_token_l_st
ldns_status ldns_fget_token_l_st(FILE *f, char **token, size_t *limit, signed char fixed, const char *delim, int *line_nr)
returns a token/char from the stream f.
Definition parse.c:226
ldns_fget_keyword_data
ssize_t ldns_fget_keyword_data(FILE *f, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit)
Definition parse.c:258
ldns_directive
enum ldns_enum_directive ldns_directive
Definition parse.h:45
ldns_bget_keyword_data
ssize_t ldns_bget_keyword_data(ldns_buffer *b, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit)
Definition parse.c:485
ldns_fget_token
ssize_t ldns_fget_token(FILE *f, char *token, const char *delim, size_t limit)
returns a token/char from the stream F.
Definition parse.c:25
ldns_fskipcs
void ldns_fskipcs(FILE *fp, const char *s)
skips all of the characters in the given string in the fp, moving the position to the first character...
Definition parse.c:454
ldns_enum_directive
ldns_enum_directive
different type of directives in zone files We now deal with $TTL, $ORIGIN and $INCLUDE.
Definition parse.h:40
LDNS_DIR_TTL
@ LDNS_DIR_TTL
Definition parse.h:41
LDNS_DIR_INCLUDE
@ LDNS_DIR_INCLUDE
Definition parse.h:43
LDNS_DIR_ORIGIN
@ LDNS_DIR_ORIGIN
Definition parse.h:42
ldns_bskipcs
void ldns_bskipcs(ldns_buffer *buffer, const char *s)
skips all of the characters in the given string in the buffer, moving the position to the first chara...
Definition parse.c:431
ldns_fskipcs_l
void ldns_fskipcs_l(FILE *fp, const char *s, int *line_nr)
skips all of the characters in the given string in the fp, moving the position to the first character...
Definition parse.c:460
ldns_fget_keyword_data_l
ssize_t ldns_fget_keyword_data_l(FILE *f, const char *keyword, const char *k_del, char *data, const char *d_del, size_t data_limit, int *line_nr)
Definition parse.c:266
ldns_bget_token
ssize_t ldns_bget_token(ldns_buffer *b, char *token, const char *delim, size_t limit)
returns a token/char from the buffer b.
Definition parse.c:301
ldns_bgetc
int ldns_bgetc(ldns_buffer *buffer)
returns the next character from a buffer.
Definition buffer.c:157
ldns_struct_buffer
implementation of buffers to ease operations
Definition buffer.h:51