aubio: utils/test-log.c

aubio 0.4.7

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;
}