10 /* like strtok(3), but without state, and doesn't modify s. Return
11 * value is indicated by pointer and length, not null terminator.
15 * const char *tok = input;
16 * const char *delim = " \t";
19 * while ((tok = strtok_len (tok + tok_len, delim, &tok_len)) != NULL) {
20 * // do stuff with string tok of length tok_len
24 char *strtok_len (char *s, const char *delim, size_t *len);
26 /* Const version of strtok_len. */
27 const char *strtok_len_c (const char *s, const char *delim, size_t *len);
29 /* Return a talloced string with str sanitized.
31 * Whitespace characters (tabs and newlines) are replaced with spaces,
32 * non-printable characters with question marks.
34 char *sanitize_string (const void *ctx, const char *str);
36 /* Construct a boolean term query with the specified prefix (e.g.,
37 * "id") and search term, quoting term as necessary. Specifically, if
38 * term contains any non-printable ASCII characters, non-ASCII
39 * characters, close parenthesis or double quotes, it will be enclosed
40 * in double quotes and any internal double quotes will be doubled
41 * (e.g. a"b -> "a""b"). The result will be a valid notmuch query and
42 * can be parsed by parse_boolean_term.
44 * Output is into buf; it may be talloc_realloced.
45 * Return: 0 on success, -1 on error. errno will be set to ENOMEM if
46 * there is an allocation failure.
48 int make_boolean_term (void *talloc_ctx, const char *prefix, const char *term,
49 char **buf, size_t *len);
51 /* Parse a boolean term query consisting of a prefix, a colon, and a
52 * term that may be quoted as described for make_boolean_term. If the
53 * term is not quoted, then it ends at the first whitespace or close
54 * parenthesis. str may containing leading or trailing whitespace,
55 * but anything else is considered a parse error. This is compatible
56 * with anything produced by make_boolean_term, and supports a subset
57 * of the quoting styles supported by Xapian (and hence notmuch).
58 * *prefix_out and *term_out will be talloc'd with context ctx.
60 * Return: 0 on success, -1 on error. errno will be set to EINVAL if
61 * there is a parse error or ENOMEM if there is an allocation failure.
64 parse_boolean_term (void *ctx, const char *str,
65 char **prefix_out, char **term_out);
67 /* strcmp that handles NULL strings; in strcmp terms a NULL string is
68 * considered to be less than a non-NULL string.
70 int strcmp_null (const char *s1, const char *s2);
72 /* GLib GEqualFunc compatible strcasecmp wrapper */
73 int strcase_equal (const void *a, const void *b);
75 /* GLib GHashFunc compatible case insensitive hash function */
76 unsigned int strcase_hash (const void *ptr);