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metaforce/hecl/lib/hecl.cpp

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#include "hecl/hecl.hpp"
#include <thread>
#include <mutex>
#include <unordered_map>
#ifdef WIN32
#include <windows.h>
#ifndef _WIN32_IE
#define _WIN32_IE 0x0400
#endif
#include <shlobj.h>
#endif
#ifdef __APPLE__
#include <Carbon/Carbon.h>
#endif
#ifdef __linux__
#include <mntent.h>
#include <sys/wait.h>
#endif
namespace hecl
{
unsigned VerbosityLevel = 0;
logvisor::Module LogModule("hecl");
static const std::string Illegals {"<>?\"|"};
#if __GNUC__
__attribute__((__format__ (__printf__, 1, 2)))
#endif
SystemString SysFormat(const SystemChar* format, ...)
{
SystemChar resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
#if HECL_UCS2
int printSz = vswprintf(resultBuf, FORMAT_BUF_SZ, format, va);
#else
int printSz = vsnprintf(resultBuf, FORMAT_BUF_SZ, format, va);
#endif
va_end(va);
return SystemString(resultBuf, printSz);
}
#if __GNUC__
__attribute__((__format__ (__printf__, 1, 2)))
#endif
std::string Format(const char* format, ...)
{
char resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
int printSz = vsnprintf(resultBuf, FORMAT_BUF_SZ, format, va);
va_end(va);
return std::string(resultBuf, printSz);
}
std::wstring WideFormat(const wchar_t* format, ...)
{
wchar_t resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
int printSz = vswprintf(resultBuf, FORMAT_BUF_SZ, format, va);
va_end(va);
return std::wstring(resultBuf, printSz);
}
std::u16string Char16Format(const wchar_t* format, ...)
{
wchar_t resultBuf[FORMAT_BUF_SZ];
va_list va;
va_start(va, format);
int printSz = vswprintf(resultBuf, FORMAT_BUF_SZ, format, va);
va_end(va);
std::u16string res;
res.reserve(printSz);
for (size_t i=0 ; i<printSz ; ++i)
res.push_back(resultBuf[i]);
return res;
}
void SanitizePath(std::string& path)
{
if (path.empty())
return;
path.erase(std::remove(path.begin(), path.end(), '\n'), path.end());
path.erase(std::remove(path.begin(), path.end(), '\r'), path.end());
std::string::iterator p1 = path.begin();
bool ic = false;
std::transform(path.begin(), path.end(), path.begin(), [&](const char a) -> char {
++p1;
if (Illegals.find_first_of(a) != std::string::npos)
{
ic = false;
return '_';
}
if (ic)
{
ic = false;
return a;
}
if (a == '\\' && (p1 == path.end() || *p1 != '\\'))
{
ic = true;
return '/';
}
return a;
});
while (path.back() == '/')
path.pop_back();
}
static const std::wstring WIllegals {L"<>?\"|"};
void SanitizePath(std::wstring& path)
{
if (path.empty())
return;
path.erase(std::remove(path.begin(), path.end(), L'\n'), path.end());
path.erase(std::remove(path.begin(), path.end(), L'\r'), path.end());
std::wstring::iterator p1 = path.begin();
bool ic = false;
std::transform(path.begin(), path.end(), path.begin(), [&](const wchar_t a) -> wchar_t {
++p1;
if (WIllegals.find_first_of(a) != std::wstring::npos)
{
ic = false;
return L'_';
}
if (ic)
{
ic = false;
return a;
}
if (a == L'\\' && (p1 == path.end() || *p1 != L'\\'))
{
ic = true;
return L'/';
}
return a;
});
while (path.back() == L'/')
path.pop_back();
}
static std::mutex PathsMutex;
static std::unordered_map<std::thread::id, ProjectPath> PathsInProgress;
bool ResourceLock::InProgress(const ProjectPath& path)
{
std::unique_lock<std::mutex> lk(PathsMutex);
for (const auto& p : PathsInProgress)
if (p.second == path)
return true;
return false;
}
bool ResourceLock::SetThreadRes(const ProjectPath& path)
{
std::unique_lock<std::mutex> lk(PathsMutex);
if (PathsInProgress.find(std::this_thread::get_id()) != PathsInProgress.cend())
LogModule.report(logvisor::Fatal, "multiple resource locks on thread");
for (const auto& p : PathsInProgress)
if (p.second == path)
return false;
PathsInProgress[std::this_thread::get_id()] = path;
return true;
}
void ResourceLock::ClearThreadRes()
{
std::unique_lock<std::mutex> lk(PathsMutex);
PathsInProgress.erase(std::this_thread::get_id());
}
bool IsPathPNG(const hecl::ProjectPath& path)
{
FILE* fp = hecl::Fopen(path.getAbsolutePath().c_str(), _S("rb"));
if (!fp)
return false;
uint32_t buf = 0;
if (fread(&buf, 1, 4, fp) != 4)
{
fclose(fp);
return false;
}
fclose(fp);
buf = hecl::SBig(buf);
if (buf == 0x89504e47)
return true;
return false;
}
bool IsPathBlend(const hecl::ProjectPath& path)
{
const SystemChar* lastCompExt = path.getLastComponentExt();
if (!lastCompExt || hecl::StrCmp(lastCompExt, _S("blend")))
return false;
FILE* fp = hecl::Fopen(path.getAbsolutePath().c_str(), _S("rb"));
if (!fp)
return false;
uint32_t buf = 0;
if (fread(&buf, 1, 4, fp) != 4)
{
fclose(fp);
return false;
}
fclose(fp);
buf = hecl::SLittle(buf);
if (buf == 0x4e454c42 || buf == 0x88b1f)
return true;
return false;
}
bool IsPathYAML(const hecl::ProjectPath& path)
{
if (!hecl::StrCmp(path.getLastComponent(), _S("!catalog.yaml")))
return false; /* !catalog.yaml is exempt from general use */
const SystemChar* lastCompExt = path.getLastComponentExt();
if (!lastCompExt)
return false;
if (!hecl::StrCmp(lastCompExt, _S("yaml")) ||
!hecl::StrCmp(lastCompExt, _S("yml")))
return true;
return false;
}
hecl::DirectoryEnumerator::DirectoryEnumerator(const hecl::SystemChar* path, Mode mode,
bool sizeSort, bool reverse, bool noHidden)
{
hecl::Sstat theStat;
if (hecl::Stat(path, &theStat) || !S_ISDIR(theStat.st_mode))
return;
#if _WIN32
hecl::SystemString wc(path);
wc += _S("/*");
WIN32_FIND_DATAW d;
HANDLE dir = FindFirstFileW(wc.c_str(), &d);
if (dir == INVALID_HANDLE_VALUE)
return;
switch (mode)
{
case Mode::Native:
do
{
if (!wcscmp(d.cFileName, _S(".")) || !wcscmp(d.cFileName, _S("..")))
continue;
if (noHidden && (d.cFileName[0] == L'.' || (d.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) != 0))
continue;
hecl::SystemString fp(path);
fp += _S('/');
fp += d.cFileName;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st))
continue;
size_t sz = 0;
bool isDir = false;
if (S_ISDIR(st.st_mode))
isDir = true;
else if (S_ISREG(st.st_mode))
sz = st.st_size;
else
continue;
m_entries.push_back(std::move(Entry(std::move(fp), d.cFileName, sz, isDir)));
} while (FindNextFileW(dir, &d));
break;
case Mode::DirsThenFilesSorted:
case Mode::DirsSorted:
{
std::map<hecl::SystemString, Entry, CaseInsensitiveCompare> sort;
do
{
if (!wcscmp(d.cFileName, _S(".")) || !wcscmp(d.cFileName, _S("..")))
continue;
if (noHidden && (d.cFileName[0] == L'.' || (d.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) != 0))
continue;
hecl::SystemString fp(path);
fp +=_S('/');
fp += d.cFileName;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st) || !S_ISDIR(st.st_mode))
continue;
sort.emplace(std::make_pair(d.cFileName, Entry(std::move(fp), d.cFileName, 0, true)));
} while (FindNextFileW(dir, &d));
if (reverse)
for (auto it=sort.crbegin() ; it != sort.crend() ; ++it)
m_entries.push_back(std::move(it->second));
else
for (auto& e : sort)
m_entries.push_back(std::move(e.second));
if (mode == Mode::DirsSorted)
break;
FindClose(dir);
dir = FindFirstFileW(wc.c_str(), &d);
}
case Mode::FilesSorted:
{
if (mode == Mode::FilesSorted)
m_entries.clear();
if (sizeSort)
{
std::multimap<size_t, Entry> sort;
do
{
if (!wcscmp(d.cFileName, _S(".")) || !wcscmp(d.cFileName, _S("..")))
continue;
if (noHidden && (d.cFileName[0] == L'.' || (d.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) != 0))
continue;
hecl::SystemString fp(path);
fp += _S('/');
fp += d.cFileName;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st) || !S_ISREG(st.st_mode))
continue;
sort.emplace(std::make_pair(st.st_size, Entry(std::move(fp), d.cFileName, st.st_size, false)));
} while (FindNextFileW(dir, &d));
if (reverse)
for (auto it=sort.crbegin() ; it != sort.crend() ; ++it)
m_entries.push_back(std::move(it->second));
else
for (auto& e : sort)
m_entries.push_back(std::move(e.second));
}
else
{
std::map<hecl::SystemString, Entry, CaseInsensitiveCompare> sort;
do
{
if (!wcscmp(d.cFileName, _S(".")) || !wcscmp(d.cFileName, _S("..")))
continue;
if (noHidden && (d.cFileName[0] == L'.' || (d.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) != 0))
continue;
hecl::SystemString fp(path);
fp += _S('/');
fp += d.cFileName;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st) || !S_ISREG(st.st_mode))
continue;
sort.emplace(std::make_pair(d.cFileName, Entry(std::move(fp), d.cFileName, st.st_size, false)));
} while (FindNextFileW(dir, &d));
if (reverse)
for (auto it=sort.crbegin() ; it != sort.crend() ; ++it)
m_entries.push_back(std::move(it->second));
else
for (auto& e : sort)
m_entries.push_back(std::move(e.second));
}
break;
}
}
FindClose(dir);
#else
DIR* dir = opendir(path);
if (!dir)
return;
const dirent* d;
switch (mode)
{
case Mode::Native:
while ((d = readdir(dir)))
{
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
if (noHidden && d->d_name[0] == '.')
continue;
hecl::SystemString fp(path);
fp += '/';
fp += d->d_name;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st))
continue;
size_t sz = 0;
bool isDir = false;
if (S_ISDIR(st.st_mode))
isDir = true;
else if (S_ISREG(st.st_mode))
sz = st.st_size;
else
continue;
m_entries.push_back(Entry(std::move(fp), d->d_name, sz, isDir));
}
break;
case Mode::DirsThenFilesSorted:
case Mode::DirsSorted:
{
std::map<hecl::SystemString, Entry, CaseInsensitiveCompare> sort;
while ((d = readdir(dir)))
{
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
if (noHidden && d->d_name[0] == '.')
continue;
hecl::SystemString fp(path);
fp += '/';
fp += d->d_name;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st) || !S_ISDIR(st.st_mode))
continue;
sort.emplace(std::make_pair(d->d_name, Entry(std::move(fp), d->d_name, 0, true)));
}
if (reverse)
for (auto it=sort.crbegin() ; it != sort.crend() ; ++it)
m_entries.push_back(std::move(it->second));
else
for (auto& e : sort)
m_entries.push_back(std::move(e.second));
if (mode == Mode::DirsSorted)
break;
rewinddir(dir);
}
case Mode::FilesSorted:
{
if (mode == Mode::FilesSorted)
m_entries.clear();
if (sizeSort)
{
std::multimap<size_t, Entry> sort;
while ((d = readdir(dir)))
{
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
if (noHidden && d->d_name[0] == '.')
continue;
hecl::SystemString fp(path);
fp += '/';
fp += d->d_name;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st) || !S_ISREG(st.st_mode))
continue;
sort.emplace(std::make_pair(st.st_size, Entry(std::move(fp), d->d_name, st.st_size, false)));
}
if (reverse)
for (auto it=sort.crbegin() ; it != sort.crend() ; ++it)
m_entries.push_back(std::move(it->second));
else
for (auto& e : sort)
m_entries.push_back(std::move(e.second));
}
else
{
std::map<hecl::SystemString, Entry, CaseInsensitiveCompare> sort;
while ((d = readdir(dir)))
{
if (!strcmp(d->d_name, ".") || !strcmp(d->d_name, ".."))
continue;
if (noHidden && d->d_name[0] == '.')
continue;
hecl::SystemString fp(path);
fp += '/';
fp += d->d_name;
hecl::Sstat st;
if (hecl::Stat(fp.c_str(), &st) || !S_ISREG(st.st_mode))
continue;
sort.emplace(std::make_pair(d->d_name, Entry(std::move(fp), d->d_name, st.st_size, false)));
}
if (reverse)
for (auto it=sort.crbegin() ; it != sort.crend() ; ++it)
m_entries.push_back(std::move(it->second));
else
for (auto& e : sort)
m_entries.push_back(std::move(e.second));
}
break;
}
}
closedir(dir);
#endif
}
#define FILE_MAXDIR 768
static std::pair<hecl::SystemString, std::string>
NameFromPath(const hecl::SystemString& path)
{
hecl::SystemUTF8View utf8(path);
if (utf8.str().size() == 1 && utf8.str()[0] == '/')
return {path, "/"};
size_t lastSlash = utf8.str().rfind('/');
if (lastSlash != std::string::npos)
return {path, std::string(utf8.str().cbegin() + lastSlash + 1, utf8.str().cend())};
else
return {path, utf8.str()};
}
std::vector<std::pair<hecl::SystemString, std::string>> GetSystemLocations()
{
std::vector<std::pair<hecl::SystemString, std::string>> ret;
#ifdef WIN32
/* Add the drive names to the listing (as queried by blender) */
{
wchar_t wline[FILE_MAXDIR];
wchar_t* name;
__int64 tmp;
int i;
tmp = GetLogicalDrives();
for (i = 0; i < 26; i++)
{
if ((tmp >> i) & 1)
{
wline[0] = L'A' + i;
wline[1] = L':';
wline[2] = L'/';
wline[3] = L'\0';
name = nullptr;
/* Flee from horrible win querying hover floppy drives! */
if (i > 1)
{
/* Try to get volume label as well... */
if (GetVolumeInformationW(wline, wline + 4, FILE_MAXDIR - 4, nullptr, nullptr, nullptr, nullptr, 0))
{
size_t labelLen = wcslen(wline + 4);
_snwprintf(wline + 4 + labelLen, FILE_MAXDIR - 4 - labelLen, L" (%.2s)", wline);
name = wline + 4;
}
}
wline[2] = L'\0';
if (name)
ret.emplace_back(wline, hecl::WideToUTF8(name));
else
ret.push_back(NameFromPath(wline));
}
}
/* Adding Desktop and My Documents */
SystemString wpath;
SHGetSpecialFolderPathW(0, wline, CSIDL_PERSONAL, 0);
wpath.assign(wline);
SanitizePath(wpath);
ret.push_back(NameFromPath(wpath));
SHGetSpecialFolderPathW(0, wline, CSIDL_DESKTOPDIRECTORY, 0);
wpath.assign(wline);
SanitizePath(wpath);
ret.push_back(NameFromPath(wpath));
}
#else
#ifdef __APPLE__
{
hecl::Sstat theStat;
const char* home = getenv("HOME");
if (home)
{
ret.push_back(NameFromPath(home));
std::string desktop(home);
desktop += "/Desktop";
if (!hecl::Stat(desktop.c_str(), &theStat))
ret.push_back(NameFromPath(desktop));
}
/* Get mounted volumes better method OSX 10.6 and higher, see: */
/*https://developer.apple.com/library/mac/#documentation/CoreFOundation/Reference/CFURLRef/Reference/reference.html*/
/* we get all volumes sorted including network and do not relay on user-defined finder visibility, less confusing */
CFURLRef cfURL = NULL;
CFURLEnumeratorResult result = kCFURLEnumeratorSuccess;
CFURLEnumeratorRef volEnum = CFURLEnumeratorCreateForMountedVolumes(NULL, kCFURLEnumeratorSkipInvisibles, NULL);
while (result != kCFURLEnumeratorEnd)
{
char defPath[1024];
result = CFURLEnumeratorGetNextURL(volEnum, &cfURL, NULL);
if (result != kCFURLEnumeratorSuccess)
continue;
CFURLGetFileSystemRepresentation(cfURL, false, (UInt8 *)defPath, 1024);
ret.push_back(NameFromPath(defPath));
}
CFRelease(volEnum);
}
#else
/* unix */
{
hecl::Sstat theStat;
const char* home = getenv("HOME");
if (home)
{
ret.push_back(NameFromPath(home));
std::string desktop(home);
desktop += "/Desktop";
if (!hecl::Stat(desktop.c_str(), &theStat))
ret.push_back(NameFromPath(desktop));
}
{
bool found = false;
#ifdef __linux__
/* Loop over mount points */
struct mntent *mnt;
FILE* fp = setmntent(MOUNTED, "r");
if (fp)
{
while ((mnt = getmntent(fp)))
{
if (strlen(mnt->mnt_fsname) < 4 || strncmp(mnt->mnt_fsname, "/dev", 4))
continue;
std::string mntStr(mnt->mnt_dir);
if (mntStr.size() > 1 && mntStr.back() == '/')
mntStr.pop_back();
ret.push_back(NameFromPath(mntStr));
found = true;
}
endmntent(fp);
}
#endif
/* Fallback */
if (!found)
ret.push_back(NameFromPath("/"));
}
}
#endif
#endif
return ret;
}
std::wstring Char16ToWide(const std::u16string& src)
{
return std::wstring(src.begin(), src.end());
}
/* recursive mkdir */
#if _WIN32
int RecursiveMakeDir(const SystemChar* dir) {
SystemChar tmp[1024];
SystemChar *p = nullptr;
Sstat sb;
size_t len;
/* copy path */
wcsncpy(tmp, dir, 1024);
len = wcslen(tmp);
if (len >= 1024) {
return -1;
}
/* remove trailing slash */
if(tmp[len - 1] == '/' || tmp[len - 1] == '\\') {
tmp[len - 1] = 0;
}
/* recursive mkdir */
for(p = tmp + 1; *p; p++) {
if(*p == '/' || *p == '\\') {
*p = 0;
/* test path */
if (Stat(tmp, &sb) != 0) {
/* path does not exist - create directory */
if (!CreateDirectoryW(tmp, nullptr)) {
return -1;
}
} else if (!S_ISDIR(sb.st_mode)) {
/* not a directory */
return -1;
}
*p = '/';
}
}
/* test path */
if (Stat(tmp, &sb) != 0) {
/* path does not exist - create directory */
if (!CreateDirectoryW(tmp, nullptr)) {
return -1;
}
} else if (!S_ISDIR(sb.st_mode)) {
/* not a directory */
return -1;
}
return 0;
}
#else
int RecursiveMakeDir(const SystemChar* dir) {
SystemChar tmp[1024];
SystemChar *p = nullptr;
Sstat sb;
size_t len;
/* copy path */
strncpy(tmp, dir, 1024);
len = strlen(tmp);
if (len >= 1024) {
return -1;
}
/* remove trailing slash */
if(tmp[len - 1] == '/') {
tmp[len - 1] = 0;
}
/* recursive mkdir */
for(p = tmp + 1; *p; p++) {
if(*p == '/') {
*p = 0;
/* test path */
if (Stat(tmp, &sb) != 0) {
/* path does not exist - create directory */
if (mkdir(tmp, 0755) < 0) {
return -1;
}
} else if (!S_ISDIR(sb.st_mode)) {
/* not a directory */
return -1;
}
*p = '/';
}
}
/* test path */
if (Stat(tmp, &sb) != 0) {
/* path does not exist - create directory */
if (mkdir(tmp, 0755) < 0) {
return -1;
}
} else if (!S_ISDIR(sb.st_mode)) {
/* not a directory */
return -1;
}
return 0;
}
#endif
const SystemChar* GetTmpDir()
{
#ifdef _WIN32
wchar_t* TMPDIR = _wgetenv(L"TEMP");
if (!TMPDIR)
TMPDIR = (wchar_t*)L"\\Temp";
#else
char* TMPDIR = getenv("TMPDIR");
if (!TMPDIR)
TMPDIR = (char*)"/tmp";
#endif
return TMPDIR;
}
int RunProcess(const SystemChar* path, const SystemChar* const args[])
{
#ifdef _WIN32
SECURITY_ATTRIBUTES sattrs = {sizeof(SECURITY_ATTRIBUTES), NULL, TRUE};
HANDLE consoleOutReadTmp, consoleOutWrite, consoleErrWrite, consoleOutRead;
if (!CreatePipe(&consoleOutReadTmp, &consoleOutWrite, &sattrs, 0))
{
LogModule.report(logvisor::Fatal, "Error with CreatePipe");
return -1;
}
if (!DuplicateHandle(GetCurrentProcess(), consoleOutWrite,
GetCurrentProcess(), &consoleErrWrite, 0,
TRUE,DUPLICATE_SAME_ACCESS))
{
LogModule.report(logvisor::Fatal, "Error with DuplicateHandle");
CloseHandle(consoleOutReadTmp);
CloseHandle(consoleOutWrite);
return -1;
}
if (!DuplicateHandle(GetCurrentProcess(), consoleOutReadTmp,
GetCurrentProcess(),
&consoleOutRead, // Address of new handle.
0, FALSE, // Make it uninheritable.
DUPLICATE_SAME_ACCESS))
{
LogModule.report(logvisor::Fatal, "Error with DupliateHandle");
CloseHandle(consoleOutReadTmp);
CloseHandle(consoleOutWrite);
CloseHandle(consoleErrWrite);
return -1;
}
CloseHandle(consoleOutReadTmp);
hecl::SystemString cmdLine;
const SystemChar* const* arg = &args[1];
while (*arg)
{
cmdLine += _S(" \"");
cmdLine += *arg++;
cmdLine += _S('"');
}
STARTUPINFO sinfo = {sizeof(STARTUPINFO)};
HANDLE nulHandle = CreateFileW(L"nul", GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
&sattrs, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
sinfo.dwFlags = STARTF_USESTDHANDLES;
sinfo.hStdInput = nulHandle;
sinfo.hStdError = consoleErrWrite;
sinfo.hStdOutput = consoleOutWrite;
PROCESS_INFORMATION pinfo = {};
if (!CreateProcessW(path, (LPWSTR)cmdLine.c_str(), NULL, NULL, TRUE, NORMAL_PRIORITY_CLASS, NULL, NULL, &sinfo, &pinfo))
{
LPWSTR messageBuffer = nullptr;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&messageBuffer, 0, NULL);
LogModule.report(logvisor::Error, L"unable to launch process from %s: %s", path, messageBuffer);
LocalFree(messageBuffer);
CloseHandle(nulHandle);
CloseHandle(consoleErrWrite);
CloseHandle(consoleOutWrite);
CloseHandle(consoleOutRead);
return -1;
}
CloseHandle(nulHandle);
CloseHandle(consoleErrWrite);
CloseHandle(consoleOutWrite);
bool consoleThreadRunning = true;
auto consoleThread = std::thread([=, &consoleThreadRunning]()
{
CHAR lpBuffer[256];
DWORD nBytesRead;
DWORD nCharsWritten;
while (consoleThreadRunning)
{
if (!ReadFile(consoleOutRead, lpBuffer, sizeof(lpBuffer),
&nBytesRead, NULL) || !nBytesRead)
{
DWORD err = GetLastError();
if (err == ERROR_BROKEN_PIPE)
break; // pipe done - normal exit path.
else
LogModule.report(logvisor::Error, "Error with ReadFile: %08X", err); // Something bad happened.
}
// Display the character read on the screen.
auto lk = logvisor::LockLog();
if (!WriteConsoleA(GetStdHandle(STD_OUTPUT_HANDLE), lpBuffer,
nBytesRead, &nCharsWritten, NULL))
LogModule.report(logvisor::Error, "Error with WriteConsole: %08X", GetLastError());
}
CloseHandle(consoleOutRead);
});
WaitForSingleObject(pinfo.hProcess, INFINITE);
DWORD ret;
if (!GetExitCodeProcess(pinfo.hProcess, &ret))
ret = -1;
consoleThreadRunning = false;
if (consoleThread.joinable())
consoleThread.join();
CloseHandle(pinfo.hProcess);
CloseHandle(pinfo.hThread);
return ret;
#else
pid_t pid = fork();
if (!pid)
{
execvp(path, (char * const *)args);
exit(1);
}
int ret;
if (waitpid(pid, &ret, 0) < 0)
return -1;
if (WIFEXITED(ret))
return WEXITSTATUS(ret);
return -1;
#endif
}
}
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