mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-24 05:11:16 +00:00
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "mozilla/glue/Debug.h"
|
|
#include "mozilla/Fuzzing.h"
|
|
#include "mozilla/Sprintf.h"
|
|
|
|
#include <stdarg.h>
|
|
#include <stdio.h>
|
|
|
|
#ifdef XP_WIN
|
|
# include <io.h>
|
|
# include <windows.h>
|
|
#endif
|
|
|
|
#ifdef ANDROID
|
|
# include <android/log.h>
|
|
#endif
|
|
|
|
#ifndef ANDROID
|
|
static void vprintf_stderr_buffered(const char* aFmt, va_list aArgs) {
|
|
// Avoid interleaving by writing to an on-stack buffer and then writing in one
|
|
// go with fputs, as long as the output fits into the buffer.
|
|
char buffer[1024];
|
|
va_list argsCpy;
|
|
va_copy(argsCpy, aArgs);
|
|
int n = VsprintfLiteral(buffer, aFmt, aArgs);
|
|
if (n < int(sizeof(buffer))) {
|
|
fputs(buffer, stderr);
|
|
} else {
|
|
// Message too long for buffer. Just print it, not worrying about
|
|
// interleaving. (We could malloc, but the underlying write() syscall could
|
|
// get interleaved if the output is too big anyway.)
|
|
vfprintf(stderr, aFmt, argsCpy);
|
|
}
|
|
va_end(argsCpy);
|
|
fflush(stderr);
|
|
}
|
|
#endif
|
|
|
|
#if defined(XP_WIN)
|
|
MFBT_API void vprintf_stderr(const char* aFmt, va_list aArgs) {
|
|
if (IsDebuggerPresent()) {
|
|
int lengthNeeded = _vscprintf(aFmt, aArgs);
|
|
if (lengthNeeded) {
|
|
lengthNeeded++;
|
|
auto buf = mozilla::MakeUnique<char[]>(lengthNeeded);
|
|
if (buf) {
|
|
va_list argsCpy;
|
|
va_copy(argsCpy, aArgs);
|
|
vsnprintf(buf.get(), lengthNeeded, aFmt, argsCpy);
|
|
buf[lengthNeeded - 1] = '\0';
|
|
va_end(argsCpy);
|
|
OutputDebugStringA(buf.get());
|
|
}
|
|
}
|
|
}
|
|
|
|
vprintf_stderr_buffered(aFmt, aArgs);
|
|
}
|
|
|
|
#elif defined(ANDROID)
|
|
MFBT_API void vprintf_stderr(const char* aFmt, va_list aArgs) {
|
|
__android_log_vprint(ANDROID_LOG_INFO, "Gecko", aFmt, aArgs);
|
|
}
|
|
#elif defined(FUZZING_SNAPSHOT)
|
|
MFBT_API void vprintf_stderr(const char* aFmt, va_list aArgs) {
|
|
if (nyx_puts) {
|
|
auto msgbuf = mozilla::Vsmprintf(aFmt, aArgs);
|
|
nyx_puts(msgbuf.get());
|
|
} else {
|
|
vprintf_stderr_buffered(aFmt, aArgs);
|
|
}
|
|
}
|
|
#else
|
|
MFBT_API void vprintf_stderr(const char* aFmt, va_list aArgs) {
|
|
vprintf_stderr_buffered(aFmt, aArgs);
|
|
}
|
|
#endif
|
|
|
|
MFBT_API void printf_stderr(const char* aFmt, ...) {
|
|
va_list args;
|
|
va_start(args, aFmt);
|
|
vprintf_stderr(aFmt, args);
|
|
va_end(args);
|
|
}
|
|
|
|
MFBT_API void fprintf_stderr(FILE* aFile, const char* aFmt, ...) {
|
|
va_list args;
|
|
va_start(args, aFmt);
|
|
if (aFile == stderr) {
|
|
vprintf_stderr(aFmt, args);
|
|
} else {
|
|
vfprintf(aFile, aFmt, args);
|
|
}
|
|
va_end(args);
|
|
}
|
|
|
|
MFBT_API void print_stderr(std::stringstream& aStr) {
|
|
#if defined(ANDROID)
|
|
// On Android logcat output is truncated to 1024 chars per line, and
|
|
// we usually use std::stringstream to build up giant multi-line gobs
|
|
// of output. So to avoid the truncation we find the newlines and
|
|
// print the lines individually.
|
|
std::string line;
|
|
while (std::getline(aStr, line)) {
|
|
printf_stderr("%s\n", line.c_str());
|
|
}
|
|
#else
|
|
printf_stderr("%s", aStr.str().c_str());
|
|
#endif
|
|
}
|
|
|
|
MFBT_API void fprint_stderr(FILE* aFile, std::stringstream& aStr) {
|
|
if (aFile == stderr) {
|
|
print_stderr(aStr);
|
|
} else {
|
|
fprintf_stderr(aFile, "%s", aStr.str().c_str());
|
|
}
|
|
}
|