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#include "config.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <threads.h>
#include "trace.h"
thread_local enum TraceLevel
TRACE_LEVEL = TraceLevel_INFO;
thread_local FILE *
TRACE_OUTPUT = NULL;
void
set_level(const enum TraceLevel level) {
assert(level >= TraceLevel_NONE);
assert(level <= TraceLevel_ERROR);
TRACE_LEVEL = level;
}
void
set_output(FILE *stream) {
TRACE_OUTPUT = stream;
}
int
vtrace(
const char *const file,
const char *const function,
const int lineno,
const enum TraceLevel level,
const char *restrict format,
...
) {
int rc = 0;
// FIXME: test
if (level < TRACE_LEVEL) {
return rc;
}
if (TRACE_OUTPUT == NULL) {
TRACE_OUTPUT = stderr;
}
// FIXME: weavify!
if (fprintf(TRACE_OUTPUT, "%s:%s:%d: ", file, function, lineno) < 0) {
perror(__FILE__ ":vtrace(): fprintf() < 0");
rc = -1;
}
va_list args;
va_start(args, format);
if (vfprintf(TRACE_OUTPUT, format, args) < 0) {
perror(__FILE__ ":vtrace(): vfprintf() < 0");
rc = -1;
}
va_end(args);
if (fprintf(TRACE_OUTPUT, "\n") < 0) {
perror(__FILE__ ":vtrace(): fprintf() < 0");
rc = -1;
}
return rc;
}
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