aubio: utils/test-log.c

aubio 0.4.9

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utils/test-log.c
#include <aubio.h>
#include <stdio.h>
#include "aubio_priv.h"
const char_t *hdr = "CUSTOM HEADER: ";
const char_t *hdr2 = "OTHER HEADER: ";
/* an example of logging function that adds a custom header and prints
* aubio debug messages on stdout instead of stderr */
void logging(int level, const char_t *message, void *data) {
FILE *out;
//fprintf(stdout, "using custom logging function\n");
if (level == AUBIO_LOG_ERR) {
out = stderr;
} else {
out = stdout;
}
if ((level >= 0) && (data != NULL)) {
fprintf(out, "%s", (const char_t *)data);
}
fprintf(out, "%s", message);
}
int main (void)
{
fprintf(stdout, "### testing normal logging\n");
AUBIO_ERR("testing normal AUBIO_LOG_ERR\n");
AUBIO_INF("testing normal AUBIO_LOG_INF\n");
AUBIO_WRN("testing normal AUBIO_LOG_WRN\n");
AUBIO_MSG("testing normal AUBIO_LOG_MSG\n");
AUBIO_DBG("testing normal AUBIO_LOG_DBG\n");
fprintf(stdout, "### testing with one custom function\n");
aubio_log_set_function(logging, (void *)hdr);
AUBIO_ERR("testing custom set_function AUBIO_LOG_ERR\n");
AUBIO_INF("testing custom set_function AUBIO_LOG_INF\n");
AUBIO_WRN("testing custom set_function AUBIO_LOG_WRN\n");
AUBIO_MSG("testing custom set_function AUBIO_LOG_MSG\n");
AUBIO_DBG("testing custom set_function AUBIO_LOG_DBG\n");
fprintf(stdout, "### testing resetted logging\n");
aubio_log_reset();
AUBIO_ERR("testing again normal AUBIO_LOG_ERR\n");
AUBIO_INF("testing again normal AUBIO_LOG_INF\n");
AUBIO_WRN("testing again normal AUBIO_LOG_WRN\n");
AUBIO_MSG("testing again normal AUBIO_LOG_MSG\n");
AUBIO_DBG("testing again normal AUBIO_LOG_DBG\n");
fprintf(stdout, "### testing per level customization\n");
aubio_log_set_level_function(AUBIO_LOG_ERR, logging, (void *)hdr2);
aubio_log_set_level_function(AUBIO_LOG_WRN, logging, NULL);
aubio_log_set_level_function(AUBIO_LOG_MSG, logging, (void *)hdr);
AUBIO_ERR("testing custom set_level_function AUBIO_LOG_ERR\n");
AUBIO_INF("testing again normal AUBIO_LOG_INF\n");
AUBIO_WRN("testing custom set_level_function AUBIO_LOG_WRN with data=NULL\n");
AUBIO_MSG("testing custom set_level_function AUBIO_LOG_MSG\n");
AUBIO_DBG("testing again normal AUBIO_LOG_DBG\n");
return 0;
}
aubio.h
Global aubio include file.
aubio_log_set_function
void aubio_log_set_function(aubio_log_function_t fun, void *data)
Set logging function for all levels.
aubio_log_reset
void aubio_log_reset(void)
Reset all logging functions to the default one.
aubio_log_set_level_function
aubio_log_function_t aubio_log_set_level_function(sint_t level, aubio_log_function_t fun, void *data)
Set logging function for a given level.
AUBIO_LOG_MSG
@ AUBIO_LOG_MSG
general messages
Definition log.h:49
AUBIO_LOG_ERR
@ AUBIO_LOG_ERR
critical errors
Definition log.h:47
AUBIO_LOG_WRN
@ AUBIO_LOG_WRN
warnings
Definition log.h:51
char_t
char char_t
character
Definition types.h:64