Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Arnaldo Carvalho de Melo | 1e6dd07 | 2010-08-10 15:58:50 -0300 | [diff] [blame] | 2 | #include "util.h" |
Luke Mujica | 2b75863 | 2019-07-19 13:22:53 -0700 | [diff] [blame] | 3 | #include "../util/debug.h" |
Arnaldo Carvalho de Melo | 8520a98 | 2019-08-29 16:18:59 -0300 | [diff] [blame] | 4 | #include <stdio.h> |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 5 | |
| 6 | /* |
| 7 | * Default error logging functions |
| 8 | */ |
| 9 | static int perf_stdio__error(const char *format, va_list args) |
Arnaldo Carvalho de Melo | 1056d3dd | 2011-10-26 07:11:03 -0200 | [diff] [blame] | 10 | { |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 11 | fprintf(stderr, "Error:\n"); |
Arnaldo Carvalho de Melo | ae55795 | 2011-10-26 08:00:55 -0200 | [diff] [blame] | 12 | vfprintf(stderr, format, args); |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 13 | return 0; |
| 14 | } |
| 15 | |
| 16 | static int perf_stdio__warning(const char *format, va_list args) |
| 17 | { |
| 18 | fprintf(stderr, "Warning:\n"); |
| 19 | vfprintf(stderr, format, args); |
| 20 | return 0; |
| 21 | } |
| 22 | |
| 23 | static struct perf_error_ops default_eops = |
| 24 | { |
| 25 | .error = perf_stdio__error, |
| 26 | .warning = perf_stdio__warning, |
| 27 | }; |
| 28 | |
| 29 | static struct perf_error_ops *perf_eops = &default_eops; |
| 30 | |
| 31 | |
| 32 | int ui__error(const char *format, ...) |
| 33 | { |
| 34 | int ret; |
| 35 | va_list args; |
| 36 | |
| 37 | va_start(args, format); |
| 38 | ret = perf_eops->error(format, args); |
| 39 | va_end(args); |
| 40 | |
| 41 | return ret; |
Arnaldo Carvalho de Melo | 53c5401 | 2010-03-24 16:40:14 -0300 | [diff] [blame] | 42 | } |
Arnaldo Carvalho de Melo | 068ffaa | 2010-11-27 02:41:01 -0200 | [diff] [blame] | 43 | |
Arnaldo Carvalho de Melo | 4610e41 | 2011-10-26 12:04:37 -0200 | [diff] [blame] | 44 | int ui__warning(const char *format, ...) |
Arnaldo Carvalho de Melo | 068ffaa | 2010-11-27 02:41:01 -0200 | [diff] [blame] | 45 | { |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 46 | int ret; |
Arnaldo Carvalho de Melo | 068ffaa | 2010-11-27 02:41:01 -0200 | [diff] [blame] | 47 | va_list args; |
| 48 | |
| 49 | va_start(args, format); |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 50 | ret = perf_eops->warning(format, args); |
Arnaldo Carvalho de Melo | ae55795 | 2011-10-26 08:00:55 -0200 | [diff] [blame] | 51 | va_end(args); |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 52 | |
| 53 | return ret; |
Arnaldo Carvalho de Melo | ae55795 | 2011-10-26 08:00:55 -0200 | [diff] [blame] | 54 | } |
| 55 | |
Namhyung Kim | ba47a14 | 2012-05-29 13:22:58 +0900 | [diff] [blame] | 56 | /** |
| 57 | * perf_error__register - Register error logging functions |
| 58 | * @eops: The pointer to error logging function struct |
| 59 | * |
| 60 | * Register UI-specific error logging functions. Before calling this, |
| 61 | * other logging functions should be unregistered, if any. |
| 62 | */ |
| 63 | int perf_error__register(struct perf_error_ops *eops) |
| 64 | { |
| 65 | if (perf_eops != &default_eops) |
| 66 | return -1; |
| 67 | |
| 68 | perf_eops = eops; |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * perf_error__unregister - Unregister error logging functions |
| 74 | * @eops: The pointer to error logging function struct |
| 75 | * |
| 76 | * Unregister already registered error logging functions. |
| 77 | */ |
| 78 | int perf_error__unregister(struct perf_error_ops *eops) |
| 79 | { |
| 80 | if (perf_eops != eops) |
| 81 | return -1; |
| 82 | |
| 83 | perf_eops = &default_eops; |
| 84 | return 0; |
Arnaldo Carvalho de Melo | 068ffaa | 2010-11-27 02:41:01 -0200 | [diff] [blame] | 85 | } |