blob: 594825072d91a0f7ebee1739ca69faaffd925288 [file] [log] [blame]
// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <assert.h>
#include <lib/syslog/global.h>
#include <stdio.h>
#include <stdlib.h>
void __assert_fail(const char* expr, const char* file, int line, const char* func) {
FX_LOGF(ERROR, "goldfish", "Assertion failed: %s (%s: %s: %d)", expr, file, func, line);
abort();
}
int puts(const char* s) { return fputs(s, stdout); }
int printf(const char* format, ...) {
va_list args;
va_start(args, format);
vfprintf(stdout, format, args);
va_end(args);
return 0;
}
int vprintf(const char* format, va_list ap) { return vfprintf(stdout, format, ap); }
int fprintf(FILE* stream, const char* format, ...) {
assert(stream == stdout || stream == stderr);
if (stream == stdout || stream == stderr) {
va_list args;
va_start(args, format);
vfprintf(stream, format, args);
va_end(args);
}
return 0;
}
static inline fx_log_severity_t severity(FILE* stream) {
return stream == stdout ? FX_LOG_INFO : FX_LOG_ERROR;
}
int fputs(const char* s, FILE* stream) {
assert(stream == stdout || stream == stderr);
if (stream == stdout || stream == stderr) {
_FX_LOG(severity(stream), "goldfish", s);
}
return 0;
}
int vfprintf(FILE* stream, const char* format, va_list ap) {
assert(stream == stdout || stream == stderr);
if (stream == stdout || stream == stderr) {
_FX_LOGVF(severity(stream), "goldfish", __FILE__, __LINE__, format, ap);
}
return 0;
}
size_t fwrite(const void* ptr, size_t size, size_t nitems, FILE* stream) {
assert(stream == stdout || stream == stderr);
char buffer[512];
size_t offset = 0;
size_t count = 0;
for (; count < nitems; count++) {
snprintf(buffer + offset, sizeof(buffer) - offset,
reinterpret_cast<const char*>(ptr) + offset, size);
offset += size;
if (offset > sizeof(buffer)) break;
}
buffer[sizeof(buffer) - 1] = 0;
fputs(buffer, stream);
return count;
}