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zdx_util.h
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zdx_util.h
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/**
* MIT License
*
* Copyright (c) 2024 Mudit Ameta
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef ZDX_UTIL_H_
#define ZDX_UTIL_H_
#include <stdio.h> /* needed for fprintf, etc */
#include <stdlib.h> /* needed for abort(), exit(), EXIT_FAILURE macro etc */
#define KB * 1024
#define MB KB * 1024
#define zdx_min(a, b) ((a) < (b) ? (a) : (b))
#define zdx_max(a, b) ((a) > (b) ? (a) : (b))
// Arg extraction macros
#define zdx_last_arg(...) (__VA_ARGS__)
#define zdx_first_arg(first, ...) (first)
// Array macros. Check for false-y values of (arr) BEFORE calling these. Use zdx_truthy() for e.g.
#define zdx_el_sz(arr) sizeof(*(arr))
#define zdx_arr_len(arr) sizeof((arr)) / zdx_el_sz(arr)
#define assertm(cond, ...) \
(cond) ? \
((void)0) \
: (fprintf(stderr, "%s:%d:\t[%s] FAILED ASSERTION: %s => ", __FILE__, __LINE__, __func__, #cond), \
fprintf(stderr, "\n\tREASON: "), \
fprintf(stderr, __VA_ARGS__), \
fprintf(stderr, "\n"), \
abort())
#define bail(...) do { \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, "\n"); \
exit(EXIT_FAILURE); \
} while(0)
#if defined(ZDX_TRACE_ENABLE)
#define dbg(...) do { \
fprintf(stderr, "%s:%d:\t[%s] ", __FILE__, __LINE__, __func__); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, "\n"); \
} while(0)
#else
#define dbg(...)
#endif // ZDX_TRACE_ENABLE
typedef enum {
L_ERROR = 1,
L_WARN,
L_INFO
} ZDX_LOG_LEVEL;
#ifdef ZDX_LOGS_DISABLE
#define log(level, ...)
#else
static const char *ZDX_LOG_LEVEL_STR[] = {
"",
"ERROR",
"WARN",
"INFO"
};
#define log(level, ...) do { \
fprintf(stderr, "%s:%d: ", __FILE__, __LINE__); \
fprintf(stderr, "[%s] ", ZDX_LOG_LEVEL_STR[(level)]); \
fprintf(stderr, __VA_ARGS__); \
fprintf(stderr, "\n"); \
} while(0)
#endif // ZDX_LOGS_DISABLE
#endif // ZDX_UTIL_H_