lsquic_util.h revision a74702c6 
1/* Copyright (c) 2017 - 2022 LiteSpeed Technologies Inc.  See LICENSE. */
2/*
3 * lsquic_util.h -- Utility functions
4 */
5
6#ifndef LSQUIC_UTIL_H
7#define LSQUIC_UTIL_H 1
8
9#ifdef __cplusplus
10extern "C" {
11#endif
12
13struct sockaddr;
14
15lsquic_time_t
16lsquic_time_now (void);
17
18void
19lsquic_init_timers (void);
20
21/* Returns 1 if `buf' contains only zero bytes, 0 otherwise.
22 */
23int
24lsquic_is_zero (const void *buf, size_t bufsz);
25
26
27
28char *
29lsquic_get_bin_str (const void *s, size_t len, size_t max_display_len);
30
31size_t
32lsquic_hex_encode (const void *src, size_t src_sz, void *dst, size_t dst_sz);
33
34/* `out_sz' is assumed to be at least 1.  `out' is always NUL-terminated. */
35size_t
36lsquic_hexdump (const void *src, size_t src_sz, char *out, size_t out_sz);
37
38void
39lsquic_hexstr (const unsigned char *buf, size_t bufsz, char *out, size_t outsz);
40
41#define HEXSTR(buf, bufsz, out) \
42    (lsquic_hexstr(buf, bufsz, out, sizeof(out)), out)
43
44int
45lsquic_sockaddr_eq (const struct sockaddr *a, const struct sockaddr *b);
46
47void
48lsquic_sockaddr2str (const struct sockaddr *addr, char *buf, size_t sz);
49
50#define SA2STR(sa_, buf_) (lsquic_sockaddr2str(sa_, buf_, sizeof(buf_)), buf_)
51
52#ifdef _MSC_VER
53char *
54lsquic_strndup(const char *s, size_t n);
55#define strndup lsquic_strndup
56#endif
57
58#ifdef __cplusplus
59}
60#endif
61
62
63#endif
64