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92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
/*****************************************************************************
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# #
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# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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*****************************************************************************/
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#pragma once
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <math.h>
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#include <time.h>
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#include <assert.h>
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#define A_CALLOC(_dest, _nmemb) assert((_dest = calloc(_nmemb, sizeof(*(_dest)))))
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#define A_REALLOC(_dest, _nmemb) assert((_dest = realloc(_dest, _nmemb * sizeof(*(_dest)))))
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#define MEMSET_ZERO(_obj) memset(&(_obj), 0, sizeof(_obj))
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#define ARRAY_LEN(_array) (sizeof(_array) / sizeof(_array[0]))
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#define INLINE inline __attribute__((always_inline))
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#define UNUSED __attribute__((unused))
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INLINE char *bool_to_string(bool flag) {
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return (flag ? "true" : "false");
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}
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INLINE size_t align_size(size_t size, size_t to) {
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return ((size + (to - 1)) & ~(to - 1));
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}
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INLINE unsigned min_u(unsigned a, unsigned b) {
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return (a < b ? a : b);
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}
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INLINE unsigned max_u(unsigned a, unsigned b) {
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return (a > b ? a : b);
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}
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INLINE long long floor_ms(long double now) {
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return (long long)now - (now < (long long)now); // floor()
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}
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INLINE void get_now(clockid_t clk_id, time_t *sec, long *msec) {
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struct timespec spec;
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assert(!clock_gettime(clk_id, &spec));
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*sec = spec.tv_sec;
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*msec = round(spec.tv_nsec / 1.0e6);
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if (*msec > 999) {
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*sec += 1;
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*msec = 0;
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}
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}
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INLINE long double get_now_monotonic(void) {
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time_t sec;
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long msec;
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get_now(CLOCK_MONOTONIC_RAW, &sec, &msec);
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return (long double)sec + ((long double)msec) / 1000;
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}
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INLINE long double get_now_real(void) {
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time_t sec;
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long msec;
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get_now(CLOCK_REALTIME, &sec, &msec);
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return (long double)sec + ((long double)msec) / 1000;
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}
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