| 1 | /* |
| 2 | * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; only version 2 |
| 7 | * of the License. |
| 8 | * |
| 9 | * This program 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 |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef _LTTNGERR_H |
| 20 | #define _LTTNGERR_H |
| 21 | |
| 22 | #include <errno.h> |
| 23 | #include <stdio.h> |
| 24 | |
| 25 | /* Stringify the expansion of a define */ |
| 26 | #define XSTR(d) STR(d) |
| 27 | #define STR(s) #s |
| 28 | |
| 29 | extern int opt_quiet; |
| 30 | extern int opt_verbose; |
| 31 | |
| 32 | enum __lttng_print_type { |
| 33 | PRINT_ERR, |
| 34 | PRINT_WARN, |
| 35 | PRINT_BUG, |
| 36 | PRINT_DBG, |
| 37 | PRINT_MSG, |
| 38 | }; |
| 39 | |
| 40 | /* |
| 41 | * __lttng_print |
| 42 | * |
| 43 | * Macro for printing message depending on |
| 44 | * command line option and verbosity. |
| 45 | */ |
| 46 | #define __lttng_print(type, fmt, args...) \ |
| 47 | do { \ |
| 48 | if (opt_quiet == 0) { \ |
| 49 | if (type == PRINT_MSG || (opt_verbose && type == PRINT_DBG)) { \ |
| 50 | fprintf(stdout, fmt, ## args); \ |
| 51 | } else if (type != PRINT_MSG && type != PRINT_DBG) { \ |
| 52 | fprintf(stderr, fmt, ## args); \ |
| 53 | } \ |
| 54 | } \ |
| 55 | } while (0); |
| 56 | |
| 57 | #define MSG(fmt, args...) __lttng_print(PRINT_MSG, fmt "\n", ## args) |
| 58 | #define ERR(fmt, args...) __lttng_print(PRINT_ERR, "Error: " fmt "\n", ## args) |
| 59 | #define WARN(fmt, args...) __lttng_print(PRINT_WARN, "Warning: " fmt "\n", ## args) |
| 60 | #define BUG(fmt, args...) __lttng_print(PRINT_BUG, "BUG: " fmt "\n", ## args) |
| 61 | #define DBG(fmt, args...) __lttng_print(PRINT_DBG, "DEBUG: " fmt " [in %s() at " __FILE__ ":" XSTR(__LINE__) "]\n", ## args, __func__) |
| 62 | |
| 63 | #endif /* _LTTNGERR_H */ |