source: src/utils/log.c @ 6e5dd2b

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Last change on this file since 6e5dd2b was 6e5dd2b, checked in by Paul Brossier <piem@piem.org>, 3 years ago

src/utils/log.c: add header, remove unused code

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File size: 2.5 KB
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1/*
2  Copyright (C) 2016 Paul Brossier <piem@aubio.org>
3
4  This file is part of aubio.
5
6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
10
11  aubio is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
18
19*/
20
21#include "config.h"
22#include "aubio_priv.h"
23#include "log.h"
24
25/** array of pointers to logging functions, one per level */
26static aubio_log_function_t aubio_log_function[AUBIO_LOG_LAST_LEVEL];
27/** array of pointers to closure passed to logging functions, one per level */
28static void* aubio_log_user_data[AUBIO_LOG_LAST_LEVEL];
29/** buffer for logging messages */
30static char aubio_log_buffer[512];
31
32/** private function used by default by logging functions */
33void
34aubio_default_log(sint_t level, const char_t *message, void * data UNUSED)
35{
36  FILE *out;
37  out = stdout;
38  if (level == AUBIO_LOG_DBG || level == AUBIO_LOG_ERR) {
39    out = stderr;
40  }
41  fprintf(out, "%s", message);
42  //fflush(out);
43}
44
45uint_t
46aubio_log(sint_t level, const char_t *fmt, ...)
47{
48  aubio_log_function_t fun = NULL;
49
50  va_list args;
51  va_start(args, fmt);
52  vsnprintf(aubio_log_buffer, sizeof(aubio_log_buffer), fmt, args);
53  va_end(args);
54
55  if ((level >= 0) && (level < AUBIO_LOG_LAST_LEVEL)) {
56    fun = aubio_log_function[level];
57    if (fun != NULL) {
58      (*fun)(level, aubio_log_buffer, aubio_log_user_data[level]);
59    } else {
60      aubio_default_log(level, aubio_log_buffer, NULL);
61    }
62  }
63  return AUBIO_FAIL;
64}
65
66void
67aubio_log_reset(void)
68{
69  uint_t i = 0;
70  for (i = 0; i < AUBIO_LOG_LAST_LEVEL; i++) {
71    aubio_log_set_level_function(i, aubio_default_log, NULL);
72  }
73}
74
75aubio_log_function_t
76aubio_log_set_level_function(sint_t level, aubio_log_function_t fun, void * data)
77{
78  aubio_log_function_t old = NULL;
79  if ((level >= 0) && (level < AUBIO_LOG_LAST_LEVEL)) {
80    old = aubio_log_function[level];
81    aubio_log_function[level] = fun;
82    aubio_log_user_data[level] = data;
83  }
84  return old;
85}
86
87void
88aubio_log_set_function(aubio_log_function_t fun, void * data) {
89  uint_t i = 0;
90  for (i = 0; i < AUBIO_LOG_LAST_LEVEL; i++) {
91    aubio_log_set_level_function(i, fun, data);
92  }
93}
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