lsquic_str.h revision 06b2a236 
1/* Copyright (c) 2017 - 2021 LiteSpeed Technologies Inc.  See LICENSE. */
2/*
3 * lsquic_str.h -- Some string routines.
4 */
5
6#ifndef LSQUIC_STR_H
7#define LSQUIC_STR_H 1
8
9struct lsquic_str
10{
11    char       *str;
12    size_t      len;
13};
14
15
16typedef struct lsquic_str lsquic_str_t;
17
18
19lsquic_str_t *
20lsquic_str_new (const char *, size_t);
21
22#define lsquic_str_len(lstr) (+(lstr)->len)
23
24#define lsquic_str_setlen(lstr, len_) do {                              \
25    (lstr)->len = len_;                                                 \
26} while (0)
27
28void
29lsquic_str_setto (lsquic_str_t *, const void *, size_t);
30
31int
32lsquic_str_append (lsquic_str_t *, const char *, size_t);
33
34void
35lsquic_str_d (lsquic_str_t *);
36
37void
38lsquic_str_delete (lsquic_str_t *);
39
40char *
41lsquic_str_prealloc (lsquic_str_t *, size_t);
42
43#define lsquic_str_buf(lstr) ((char *) (lstr)->str)
44
45#define lsquic_str_cstr(lstr) ((const char *) (lstr)->str)
46
47#define lsquic_str_blank(lstr) do {                                     \
48    (lstr)->str = NULL;                                                 \
49    (lstr)->len = 0;                                                    \
50} while (0)
51
52int
53lsquic_str_bcmp (const void *, const void *);
54
55lsquic_str_t *
56lsquic_str_copy (lsquic_str_t *, const lsquic_str_t *);
57
58#define lsquic_str_set(lstr, src, len_) do {                            \
59    (lstr)->str = src;                                                  \
60    (lstr)->len = len_;                                                 \
61} while (0)
62
63#endif
64