92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/*
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Copyright (C) 2016 Paul Brossier <piem@aubio.org>
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This file is part of aubio.
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aubio is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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aubio is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with aubio. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "aubio_priv.h"
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#include "log.h"
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/** array of pointers to logging functions, one per level */
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static aubio_log_function_t aubio_log_function[AUBIO_LOG_LAST_LEVEL];
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/** array of pointers to closure passed to logging functions, one per level */
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static void* aubio_log_user_data[AUBIO_LOG_LAST_LEVEL];
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/** buffer for logging messages */
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static char aubio_log_buffer[512];
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/** private function used by default by logging functions */
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void
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aubio_default_log(sint_t level, const char_t *message, void * data UNUSED)
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{
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FILE *out;
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out = stdout;
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if (level == AUBIO_LOG_ERR || level == AUBIO_LOG_DBG || level == AUBIO_LOG_WRN) {
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out = stderr;
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}
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fprintf(out, "%s", message);
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//fflush(out);
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}
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uint_t
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aubio_log(sint_t level, const char_t *fmt, ...)
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{
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aubio_log_function_t fun = NULL;
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va_list args;
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va_start(args, fmt);
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vsnprintf(aubio_log_buffer, sizeof(aubio_log_buffer), fmt, args);
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va_end(args);
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if ((level >= 0) && (level < AUBIO_LOG_LAST_LEVEL)) {
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fun = aubio_log_function[level];
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if (fun != NULL) {
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(*fun)(level, aubio_log_buffer, aubio_log_user_data[level]);
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} else {
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aubio_default_log(level, aubio_log_buffer, NULL);
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}
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}
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return AUBIO_FAIL;
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}
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void
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aubio_log_reset(void)
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{
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uint_t i = 0;
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for (i = 0; i < AUBIO_LOG_LAST_LEVEL; i++) {
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aubio_log_set_level_function(i, aubio_default_log, NULL);
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}
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}
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aubio_log_function_t
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aubio_log_set_level_function(sint_t level, aubio_log_function_t fun, void * data)
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{
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aubio_log_function_t old = NULL;
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if ((level >= 0) && (level < AUBIO_LOG_LAST_LEVEL)) {
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old = aubio_log_function[level];
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aubio_log_function[level] = fun;
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aubio_log_user_data[level] = data;
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}
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return old;
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}
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void
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aubio_log_set_function(aubio_log_function_t fun, void * data) {
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uint_t i = 0;
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for (i = 0; i < AUBIO_LOG_LAST_LEVEL; i++) {
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aubio_log_set_level_function(i, fun, data);
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}
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}
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