| 1 | /* |
| 2 | * Copyright (C) 2014-2020 Paul Cercueil <paul@crapouillou.net> |
| 3 | * |
| 4 | * This library is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This library is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | */ |
| 14 | |
| 15 | #ifndef DEBUG_H |
| 16 | #define DEBUG_H |
| 17 | |
| 18 | #include <stdio.h> |
| 19 | #include <unistd.h> |
| 20 | |
| 21 | #define NOLOG_L 0 |
| 22 | #define ERROR_L 1 |
| 23 | #define WARNING_L 2 |
| 24 | #define INFO_L 3 |
| 25 | #define DEBUG_L 4 |
| 26 | |
| 27 | #ifndef LOG_LEVEL |
| 28 | #define LOG_LEVEL INFO_L |
| 29 | #endif |
| 30 | |
| 31 | // ------------- |
| 32 | |
| 33 | #ifndef COLOR_DEBUG |
| 34 | #define COLOR_DEBUG "\e[0;32m" |
| 35 | #endif |
| 36 | #ifndef COLOR_WARNING |
| 37 | #define COLOR_WARNING "\e[01;35m" |
| 38 | #endif |
| 39 | #ifndef COLOR_ERROR |
| 40 | #define COLOR_ERROR "\e[01;31m" |
| 41 | #endif |
| 42 | |
| 43 | #define COLOR_END "\e[0m" |
| 44 | |
| 45 | #if (LOG_LEVEL >= DEBUG_L) |
| 46 | # ifdef COLOR_DEBUG |
| 47 | # define pr_debug(str, ...) do { \ |
| 48 | if (isatty(STDOUT_FILENO)) \ |
| 49 | fprintf(stdout, COLOR_DEBUG "DEBUG: " str COLOR_END, \ |
| 50 | ##__VA_ARGS__); \ |
| 51 | else \ |
| 52 | fprintf(stdout, "DEBUG: " str, ##__VA_ARGS__); \ |
| 53 | } while (0) |
| 54 | # else |
| 55 | # define pr_debug(...) \ |
| 56 | fprintf(stdout, "DEBUG: " __VA_ARGS__) |
| 57 | # endif |
| 58 | #else |
| 59 | #define pr_debug(...) |
| 60 | #endif |
| 61 | |
| 62 | #if (LOG_LEVEL >= INFO_L) |
| 63 | # ifdef COLOR_INFO |
| 64 | # define pr_info(str, ...) \ |
| 65 | fprintf(stdout, COLOR_INFO str COLOR_END, ##__VA_ARGS__) |
| 66 | # else |
| 67 | # define pr_info(...) \ |
| 68 | fprintf(stdout, __VA_ARGS__) |
| 69 | # endif |
| 70 | #else |
| 71 | #define pr_info(...) |
| 72 | #endif |
| 73 | |
| 74 | #if (LOG_LEVEL >= WARNING_L) |
| 75 | # ifdef COLOR_WARNING |
| 76 | # define pr_warn(str, ...) do { \ |
| 77 | if (isatty(STDERR_FILENO)) \ |
| 78 | fprintf(stderr, COLOR_WARNING "WARNING: " str COLOR_END,\ |
| 79 | ##__VA_ARGS__); \ |
| 80 | else \ |
| 81 | fprintf(stderr, "WARNING: " str, ##__VA_ARGS__); \ |
| 82 | } while (0) |
| 83 | # else |
| 84 | # define pr_warn(...) \ |
| 85 | fprintf(stderr, "WARNING: " __VA_ARGS__) |
| 86 | # endif |
| 87 | #else |
| 88 | #define pr_warn(...) |
| 89 | #endif |
| 90 | |
| 91 | #if (LOG_LEVEL >= ERROR_L) |
| 92 | # ifdef COLOR_ERROR |
| 93 | # define pr_err(str, ...) do { \ |
| 94 | if (isatty(STDERR_FILENO)) \ |
| 95 | fprintf(stderr, COLOR_ERROR "ERROR: " str COLOR_END, \ |
| 96 | ##__VA_ARGS__); \ |
| 97 | else \ |
| 98 | fprintf(stderr, "ERROR: " str, ##__VA_ARGS__); \ |
| 99 | } while (0) |
| 100 | # else |
| 101 | # define pr_err(...) \ |
| 102 | fprintf(stderr, "ERROR: " __VA_ARGS__) |
| 103 | # endif |
| 104 | #else |
| 105 | #define pr_err(...) |
| 106 | #endif |
| 107 | |
| 108 | #endif |