int main(int argc, char *argv[])
{
(void)argc;
(void)argv;
/* Current log level is set to ZF_LOG_INFO by defining ZF_LOG_LEVEL
* before zf_log.h include. All log messages below INFO level will be
* compiled out.
*/
ZF_LOGV("Argument of this VERBOSE message will not be evaluated: %i",
call_exit());
ZF_LOGI("So you will see that INFO message");
/* Output log level is set to WARN and then to INFO. Argument of INFO log
* statement will be evaluated only once (after setting output log level to
* INFO).
*/
zf_log_set_output_level(ZF_LOG_WARN);
int count = 0;
for (int i = 2; 0 < i--;)
{
ZF_LOGI("Argument of this INFO message will be evaluated only once: %i",
++count);
zf_log_set_output_level(ZF_LOG_INFO);
}
if (1 != count)
{
abort();
}
ZF_LOGI("And you will see that INFO message");
return 0;
}
int main(int argc, char *argv[])
{
zf_log_set_output_v(ZF_LOG_PUT_STD, mock_output_callback, 0);
ZF_LOGI("log from cpp, argc=%i", argc);
ZF_LOGI_MEM(argv, argc * sizeof(*argv), "log from cpp, argv pointers:");
return 0;
}
int main(int argc, char *argv[])
{
zf_log_set_tag_prefix("hello");
ZF_LOGI("You will see the number of arguments: %i", argc);
ZF_LOGD("You will NOT see the first argument: %s", *argv);
zf_log_set_output_level(ZF_LOG_WARN);
ZF_LOGW("You will see this WARNING message");
ZF_LOGI("You will NOT see this INFO message");
const char data[] =
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. "
"Aliquam pharetra orci id velit porttitor tempus.";
ZF_LOGW_MEM(data, sizeof(data), "Lorem ipsum at %p:", data);
return 0;
}
int main(int argc, char *argv[])
{
file_output_open("example.log");
ZF_LOGI("Writing number of arguments to log file: %i", argc);
ZF_LOGI_MEM(argv, argc * sizeof(*argv), "argv pointers:");
return 0;
}
void test_module()
{
zf_log_set_output_v(ZF_LOG_PUT_STD, 0, module_output_callback);
ZF_LOGI("module");
if (!module_called)
{
fprintf(stderr, "module callback was not called\n");
exit(1);
}
}
static void test_conditional()
{
ZF_LOG_IF(1 < 2, ZF_LOGI("True"));
EXPECTED_LINES(1);
ZF_LOG_IF(2 < 1, ZF_LOGI("False"));
EXPECTED_LINES(0);
ZF_LOG_IF(g_forty_two == 42, ZF_LOGI("True"));
EXPECTED_LINES(1);
ZF_LOG_IF(g_forty_two != 42, ZF_LOGI("False"));
EXPECTED_LINES(0);
ZF_LOG_IF(g_forty_two == 42, ZF_LOGI("True"));
EXPECTED_LINES(1);
ZF_LOG_IF(g_forty_two != 42, ZF_LOGI("False"));
EXPECTED_LINES(0);
ZF_LOG_IF(forty_two() == 42, ZF_LOGI("True"));
EXPECTED_LINES(1);
ZF_LOG_IF(forty_two() != 42, ZF_LOGI("False"));
EXPECTED_LINES(0);
}
static void test_function()
{
const unsigned line = __LINE__ + 1;
ZF_LOGI("test message");
char expected[64];
#if ZF_LOG_SRCLOC_NONE==TEST_SRCLOC
(void)line;
*expected = 0;
#endif
#if ZF_LOG_SRCLOC_SHORT==TEST_SRCLOC
snprintf(expected, sizeof(expected), "@%s:%u",
c_filename, line);
#endif
#if ZF_LOG_SRCLOC_LONG==TEST_SRCLOC
snprintf(expected, sizeof(expected), "%s@%s:%u",
__FUNCTION__, c_filename, line);
#endif
TEST_VERIFY_EQUAL(strcmp(expected, g_srcloc), 0);
}
int main(int argc, char *argv[])
{
#if defined(OUTPUT_SYSLOG)
openlog("custom_output", LOG_CONS|LOG_PERROR|LOG_PID, LOG_USER);
#endif
const unsigned put_mask =
#if defined(OUTPUT_SYSLOG)
ZF_LOG_PUT_STD & !ZF_LOG_PUT_CTX;
#else
ZF_LOG_PUT_STD;
#endif
;
zf_log_set_output_v(put_mask, custom_output_callback, 0);
ZF_LOGI("Number of arguments goes into custom output: %i", argc);
ZF_LOGI_MEM(argv, argc * sizeof(*argv), "and argv pointers as well:");
#if defined(OUTPUT_SYSLOG)
closelog();
#endif
return 0;
}
