US_ARRAY_ITERATE()

This commit is contained in:
Maxim Devaev
2022-07-20 12:54:13 +03:00
parent 2c9334d53f
commit 1c1e3b0875
10 changed files with 78 additions and 38 deletions

37
src/libs/array.h Normal file
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@@ -0,0 +1,37 @@
/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPEG-HTTP streamer. #
# #
# Copyright (C) 2018-2022 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#include <assert.h>
#define US_ARRAY_LEN(x_array) (sizeof(x_array) / sizeof((x_array)[0]))
#define US_ARRAY_ITERATE(x_array, x_start, x_item_ptr, ...) { \
const int m_len = US_ARRAY_LEN(x_array); \
assert(x_start <= m_len); \
for (int m_index = x_start; m_index < m_len; ++m_index) { \
__typeof__((x_array)[0]) *const x_item_ptr = &x_array[m_index]; \
__VA_ARGS__ \
} \
}

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@@ -60,8 +60,6 @@
#define US_ASPRINTF(x_dest, x_fmt, ...) assert(asprintf(&(x_dest), (x_fmt), ##__VA_ARGS__) >= 0)
#define US_ARRAY_LEN(x_array) (sizeof(x_array) / sizeof((x_array)[0]))
INLINE char *us_strdup(const char *str) {
char *const new = strdup(str);