log.c

#include <stdio.h>
#include <stdint.h>

#include "log.h"

static int log_level = LOG_LEVEL_DEBUG;
static FILE *out_stream = NULL;

void log_set_level(int level) {
  log_level = level;
}

int log_get_level() {
  return log_level;
}

void log_set_stream(FILE *stream) {
  out_stream = stream;
}

void log_hex(int msg_log_level, uint8_t *data, int len) {
  int i;

  if (msg_log_level < log_level) {
    return;
  }

  for (i = 0; i < len; i++) {
    log_msg_level(msg_log_level, "%02x", data[i]);
  }
}

void log_msg(int msg_log_level, const char *format, const va_list args) {
  if (out_stream == NULL) {
    out_stream = stdout;
  }

  if (msg_log_level >= log_level) {
    vfprintf(out_stream, format, args);
  }
}

void log_msg_level(int msg_log_level, const char *format, ...) {
  va_list args;
  va_start(args, format);
  log_msg(msg_log_level, format, args);
  va_end(args);
}

void log_debug(const char *format, ...) {
  va_list args;
  va_start(args, format);
  log_msg(LOG_LEVEL_DEBUG, format, args);
  va_end(args);
}

void log_info(const char *format, ...) {
  va_list args;
  va_start(args, format);
  log_msg(LOG_LEVEL_INFO, format, args);
  va_end(args);
}

void log_warn(const char *format, ...) {
  va_list args;
  va_start(args, format);
  log_msg(LOG_LEVEL_WARN, format, args);
  va_end(args);
}

void log_error(const char *format, ...) {
  va_list args;
  va_start(args, format);
  log_msg(LOG_LEVEL_ERROR, format, args);
  va_end(args);
}

void log_fatal(const char *format, ...) {
  va_list args;
  va_start(args, format);
  log_msg(LOG_LEVEL_FATAL, format, args);
  va_end(args);
}