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435a566751
* sumatrapdf - vendor import * everything compiles (libjpeg, poppler, fitz, sumatrapdf) * does NOT link (remove the comment tags in the parent directory.rbuild file (rosapps dir) to build it) svn path=/trunk/; revision=29295
113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
/* Written by Krzysztof Kowalczyk (http://blog.kowalczyk.info)
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The author disclaims copyright to this source code. */
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#include "base_util.h"
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#include "WinUtil.hpp"
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#include "str_util.h"
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// TODO: exe name might be unicode so to support everything cmd or args
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// should be unicode or we can assume that cmd and args are utf8 and
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// convert them to utf16 and call CreateProcessW
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#define DONT_INHERIT_HANDLES FALSE
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// Given name of the command to exececute 'cmd', and its arguments 'args'
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// return WinProcess object that makes it easier to handle the process
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// Returns NULL if failed to create the process. Caller can use GetLastError()
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// for detailed error information.
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WinProcess * WinProcess::Create(const char* cmd, char* args)
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{
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UINT res;
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HANDLE stdOut = INVALID_HANDLE_VALUE;
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HANDLE stdErr = INVALID_HANDLE_VALUE;
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STARTUPINFOA siStartupInfo;
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PROCESS_INFORMATION piProcessInfo;
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SECURITY_ATTRIBUTES sa;
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sa.nLength = sizeof(sa);
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sa.lpSecurityDescriptor = 0;
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sa.bInheritHandle = 1;
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memzero(&siStartupInfo, sizeof(siStartupInfo));
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memzero(&piProcessInfo, sizeof(piProcessInfo));
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siStartupInfo.cb = sizeof(siStartupInfo);
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char stdoutTempName[MAX_PATH] = {0};
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char stderrTempName[MAX_PATH] = {0};
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char *stdoutTempNameCopy = NULL;
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char *stderrTempNameCopy = NULL;
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char buf[MAX_PATH] = {0};
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int len = GetTempPathA(sizeof(buf), buf);
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assert(len < sizeof(buf));
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// create temporary files for capturing stdout and stderr or the command
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res = GetTempFileNameA(buf, "stdout", 0, stdoutTempName);
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if (0 == res)
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goto Error;
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res = GetTempFileNameA(buf, "stderr", 0, stderrTempName);
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if (0 == res)
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goto Error;
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stdoutTempNameCopy = str_dup(stdoutTempName);
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stderrTempNameCopy = str_dup(stderrTempName);
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stdOut = CreateFileA(stdoutTempNameCopy,
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GENERIC_READ|GENERIC_WRITE,
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FILE_SHARE_WRITE|FILE_SHARE_READ,
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&sa, CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL, 0);
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if (INVALID_HANDLE_VALUE == stdOut)
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goto Error;
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stdErr = CreateFileA(stderrTempNameCopy,
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GENERIC_READ|GENERIC_WRITE,
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FILE_SHARE_WRITE|FILE_SHARE_READ,
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&sa, CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL, 0);
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if (INVALID_HANDLE_VALUE == stdErr)
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goto Error;
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siStartupInfo.hStdOutput = stdOut;
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siStartupInfo.hStdError = stdErr;
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BOOL ok = CreateProcessA(cmd, args, NULL, NULL, DONT_INHERIT_HANDLES,
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CREATE_DEFAULT_ERROR_MODE, NULL /*env*/, NULL /*curr dir*/,
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&siStartupInfo, &piProcessInfo);
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if (!ok)
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goto Error;
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// TODO: pass stdoutTempNameCopy and stderrTempNameCopy so upon
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// WinProcess destruction the files can be deleted and their memory freed
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WinProcess *wp = new WinProcess(&piProcessInfo);
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return wp;
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Error:
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if (INVALID_HANDLE_VALUE != stdOut) {
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CloseHandle(stdOut);
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}
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if (INVALID_HANDLE_VALUE != stdErr) {
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CloseHandle(stdErr);
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}
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if (stdoutTempName[0]) {
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// TODO: delete stdoutTempName
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}
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if (stderrTempName[0]) {
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// TODO: delete stderrTempName
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}
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free(stdoutTempNameCopy);
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free(stderrTempNameCopy);
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return NULL;
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}
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WinProcess::WinProcess(PROCESS_INFORMATION *pi)
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{
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memcpy(&m_processInfo, pi, sizeof(PROCESS_INFORMATION));
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}
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