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Diffstat (limited to 'util.h')
| -rw-r--r-- | util.h | 44 |
1 files changed, 44 insertions, 0 deletions
@@ -0,0 +1,44 @@ +/* + * Copyright (C) 2023 Mikhail Burakov. This file is part of receiver. + * + * receiver 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. + * + * receiver 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 receiver. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef RECEIVER_UTIL_H_ +#define RECEIVER_UTIL_H_ + +#define STR_IMPL(x) #x +#define STR(x) STR_IMPL(x) +#define LOG(fmt, ...) \ + fprintf(stderr, __FILE__ ":" STR(__LINE__) " " fmt "\n", ##__VA_ARGS__) +#define AUTO(x) x __attribute__((__cleanup__(x##Destroy))) +#define SWAP(a, b) Swap((void**)&a, (void**)&b) +#define RELEASE(x) Release((void**)&x) +#define LENGTH(x) (sizeof(x) / sizeof *(x)) +#define MAX(a, b) ((a) > (b) ? (a) : (b)) +#define MIN(a, b) ((a) < (b) ? (a) : (b)) + +static inline void Swap(void** a, void** b) { + void* temp = *a; + *a = *b; + *b = temp; +} + +static inline void* Release(void** x) { + void* result = *x; + *x = 0; + return result; +} + +#endif // RECEIVER_UTIL_H_ |