source: src/utils/log.c @ f5e9e3f

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchsampleryinfft+
Last change on this file since f5e9e3f was f5e9e3f, checked in by Paul Brossier <piem@piem.org>, 3 years ago

src/utils/log.c: also print warnings to stderr

  • Property mode set to 100644
File size: 2.5 KB
Line 
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 "aubio_priv.h"
22#include "log.h"
23
24/** array of pointers to logging functions, one per level */
25static aubio_log_function_t aubio_log_function[AUBIO_LOG_LAST_LEVEL];
26/** array of pointers to closure passed to logging functions, one per level */
27static void* aubio_log_user_data[AUBIO_LOG_LAST_LEVEL];
28/** buffer for logging messages */
29static char aubio_log_buffer[512];
30
31/** private function used by default by logging functions */
32void
33aubio_default_log(sint_t level, const char_t *message, void * data UNUSED)
34{
35  FILE *out;
36  out = stdout;
37  if (level == AUBIO_LOG_ERR || level == AUBIO_LOG_DBG || level == AUBIO_LOG_WRN) {
38    out = stderr;
39  }
40  fprintf(out, "%s", message);
41  //fflush(out);
42}
43
44uint_t
45aubio_log(sint_t level, const char_t *fmt, ...)
46{
47  aubio_log_function_t fun = NULL;
48
49  va_list args;
50  va_start(args, fmt);
51  vsnprintf(aubio_log_buffer, sizeof(aubio_log_buffer), fmt, args);
52  va_end(args);
53
54  if ((level >= 0) && (level < AUBIO_LOG_LAST_LEVEL)) {
55    fun = aubio_log_function[level];
56    if (fun != NULL) {
57      (*fun)(level, aubio_log_buffer, aubio_log_user_data[level]);
58    } else {
59      aubio_default_log(level, aubio_log_buffer, NULL);
60    }
61  }
62  return AUBIO_FAIL;
63}
64
65void
66aubio_log_reset(void)
67{
68  uint_t i = 0;
69  for (i = 0; i < AUBIO_LOG_LAST_LEVEL; i++) {
70    aubio_log_set_level_function(i, aubio_default_log, NULL);
71  }
72}
73
74aubio_log_function_t
75aubio_log_set_level_function(sint_t level, aubio_log_function_t fun, void * data)
76{
77  aubio_log_function_t old = NULL;
78  if ((level >= 0) && (level < AUBIO_LOG_LAST_LEVEL)) {
79    old = aubio_log_function[level];
80    aubio_log_function[level] = fun;
81    aubio_log_user_data[level] = data;
82  }
83  return old;
84}
85
86void
87aubio_log_set_function(aubio_log_function_t fun, void * data) {
88  uint_t i = 0;
89  for (i = 0; i < AUBIO_LOG_LAST_LEVEL; i++) {
90    aubio_log_set_level_function(i, fun, data);
91  }
92}
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