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/* SPDX-License-Identifier: GPL-3.0-or-later
* Copyright © 2016-2026 The TokTok team.
* Copyright © 2013-2015 Tox project.
*/
/**
* Text logging abstraction.
*/
#include "logger.h"
#include <assert.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "ccompat.h"
#include "mem.h"
struct Logger {
const Memory *_Nonnull mem;
logger_cb *_Nullable callback;
void *_Nullable context;
void *_Nullable userdata;
};
/*
* Public Functions
*/
Logger *logger_new(const Memory *mem)
{
Logger *log = (Logger *)mem_alloc(mem, sizeof(Logger));
if (log == nullptr) {
return nullptr;
}
log->mem = mem;
return log;
}
void logger_kill(Logger *log)
{
if (log == nullptr) {
return;
}
mem_delete(log->mem, log);
}
void logger_callback_log(Logger *log, logger_cb *function, void *context, void *userdata)
{
assert(log != nullptr);
log->callback = function;
log->context = context;
log->userdata = userdata;
}
void logger_write(const Logger *log, Logger_Level level, const char *file, uint32_t line, const char *func,
const char *format, ...)
{
if (log == nullptr) {
return;
}
if (log->callback == nullptr) {
return;
}
// Only pass the file name, not the entire file path, for privacy reasons.
// The full path may contain PII of the person compiling toxcore (their
// username and directory layout).
const char *filename = strrchr(file, '/');
if (filename != nullptr) {
file = &filename[1];
}
#if defined(_WIN32) || defined(__CYGWIN__)
// On Windows, the path separator *may* be a backslash, so we look for that
// one too.
const char *windows_filename = strrchr(file, '\\');
file = windows_filename != nullptr ? windows_filename + 1 : file;
#endif /* WIN32 */
// Format message
char msg[1024];
va_list args;
va_start(args, format);
vsnprintf(msg, sizeof(msg), format, args);
va_end(args);
log->callback(log->context, level, file, line, func, msg, log->userdata);
}
void logger_abort(void)
{
abort();
}
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