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92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
/**
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* @file utils/misc.h
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* @author Martin Pulec <pulec@cesnet.cz>
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*/
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/*
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* Copyright (c) 2014-2021 CESNET z.s.p.o.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, is permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of CESNET nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef UTILS_MISC_H_
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#define UTILS_MISC_H_
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#ifdef __cplusplus
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#include <cstddef>
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#else
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#include <stdbool.h>
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#include <stddef.h>
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#endif
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#define STRINGIFY(A) #A
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#define TOSTRING(A) STRINGIFY(A) // https://stackoverflow.com/questions/240353/convert-a-preprocessor-token-to-a-string
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#ifdef __cplusplus
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extern "C" {
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#endif
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int clampi(long long val, int lo, int hi);
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bool is_wine(void);
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long long unit_evaluate(const char *str);
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double unit_evaluate_dbl(const char *str);
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int get_framerate_n(double framerate);
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int get_framerate_d(double framerate);
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#define DELDEL "\177\177"
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#define ESCAPED_COLON "\\:"
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void replace_all(char *in, const char *from, const char *to);
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int urlencode_html5_eval(int c);
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int urlencode_rfc3986_eval(int c);
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size_t urlencode(char *out, size_t max_len, const char *in, int (*eval_pass)(int c), bool space_plus_replace);
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size_t urldecode(char *out, size_t max_len, const char *in);
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const char *ug_strerror(int errnum);
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/**
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* @brief Creates FourCC word
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*
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* The main idea of FourCC is that it can be anytime read by human (by hexa editor, gdb, tcpdump).
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* Therefore, this is stored as a big endian even on little-endian architectures - first byte
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* of FourCC is in the memory on the lowest address.
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*/
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#ifdef WORDS_BIGENDIAN
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#define to_fourcc(a,b,c,d) (((uint32_t)(d)) | ((uint32_t)(c)<<8U) | ((uint32_t)(b)<<16U) | ((uint32_t)(a)<<24U))
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#else
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#define to_fourcc(a,b,c,d) (((uint32_t)(a)) | ((uint32_t)(b)<<8U) | ((uint32_t)(c)<<16U) | ((uint32_t)(d)<<24U))
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif// UTILS_MISC_H_
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