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// 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;
}