1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
#ifndef _STRING_UTIL_H
#define _STRING_UTIL_H
#include <string.h>
/* like strtok(3), but without state, and doesn't modify s. Return
* value is indicated by pointer and length, not null terminator.
*
* Usage pattern:
*
* const char *tok = input;
* const char *delim = " \t";
* size_t tok_len = 0;
*
* while ((tok = strtok_len (tok + tok_len, delim, &tok_len)) != NULL) {
* // do stuff with string tok of length tok_len
* }
*/
char *strtok_len (char *s, const char *delim, size_t *len);
/* Construct a boolean term query with the specified prefix (e.g.,
* "id") and search term, quoting term as necessary. Specifically, if
* term contains any non-printable ASCII characters, non-ASCII
* characters, close parenthesis or double quotes, it will be enclosed
* in double quotes and any internal double quotes will be doubled
* (e.g. a"b -> "a""b"). The result will be a valid notmuch query and
* can be parsed by parse_boolean_term.
*
* Output is into buf; it may be talloc_realloced.
* Return: 0 on success, -1 on error. errno will be set to ENOMEM if
* there is an allocation failure.
*/
int make_boolean_term (void *talloc_ctx, const char *prefix, const char *term,
char **buf, size_t *len);
#endif
|
