/* ---------------------------------------------------------------------------- * nmakehlp.c -- * * This is used to fix limitations within nmake and the environment. * * Copyright (c) 2002 by David Gravereaux. * * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * * ---------------------------------------------------------------------------- * RCS: @(#) $Id: nmakehlp.c,v 1.1.6.2 2006/06/14 23:52:01 patthoyts Exp $ * ---------------------------------------------------------------------------- */ #define _CRT_SECURE_NO_DEPRECATE #include #pragma comment (lib, "user32.lib") #pragma comment (lib, "kernel32.lib") /* protos */ int CheckForCompilerFeature (const char *option); int CheckForLinkerFeature (const char *option); int IsIn (const char *string, const char *substring); DWORD WINAPI ReadFromPipe (LPVOID args); /* globals */ typedef struct { HANDLE pipe; char buffer[1000]; } pipeinfo; pipeinfo Out = {INVALID_HANDLE_VALUE, '\0'}; pipeinfo Err = {INVALID_HANDLE_VALUE, '\0'}; /* exitcodes: 0 == no, 1 == yes, 2 == error */ int main (int argc, char *argv[]) { char msg[300]; DWORD dwWritten; int chars; /* * Make sure children (cl.exe and link.exe) are kept quiet. */ SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX); /* * Make sure the compiler and linker aren't affected by the outside world. */ SetEnvironmentVariable("CL", ""); SetEnvironmentVariable("LINK", ""); if (argc > 1 && *argv[1] == '-') { switch (*(argv[1]+1)) { case 'c': if (argc != 3) { chars = wsprintf(msg, "usage: %s -c \n" "Tests for whether cl.exe supports an option\n" "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL); return 2; } return CheckForCompilerFeature(argv[2]); case 'l': if (argc != 3) { chars = wsprintf(msg, "usage: %s -l \n" "Tests for whether link.exe supports an option\n" "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL); return 2; } return CheckForLinkerFeature(argv[2]); case 'f': if (argc == 2) { chars = wsprintf(msg, "usage: %s -f \n" "Find a substring within another\n" "exitcodes: 0 == no, 1 == yes, 2 == error\n", argv[0]); WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL); return 2; } else if (argc == 3) { /* if the string is blank, there is no match */ return 0; } else { return IsIn(argv[2], argv[3]); } } } chars = wsprintf(msg, "usage: %s -c|-l|-f ...\n" "This is a little helper app to equalize shell differences between WinNT and\n" "Win9x and get nmake.exe to accomplish its job.\n", argv[0]); WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL); return 2; } int CheckForCompilerFeature (const char *option) { STARTUPINFO si; PROCESS_INFORMATION pi; SECURITY_ATTRIBUTES sa; DWORD threadID, n; char msg[300]; BOOL ok; HANDLE hProcess, h, pipeThreads[2]; char cmdline[256]; hProcess = GetCurrentProcess(); ZeroMemory(&pi, sizeof(PROCESS_INFORMATION)); ZeroMemory(&si, sizeof(STARTUPINFO)); si.cb = sizeof(STARTUPINFO); si.dwFlags = STARTF_USESTDHANDLES; si.hStdInput = INVALID_HANDLE_VALUE; ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES)); sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = FALSE; /* create a non-inheritible pipe. */ CreatePipe(&Out.pipe, &h, &sa, 0); /* dupe the write side, make it inheritible, and close the original. */ DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); /* Same as above, but for the error side. */ CreatePipe(&Err.pipe, &h, &sa, 0); DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); /* base command line */ n = GetEnvironmentVariable("CC", cmdline, 255); cmdline[n] = 0; if (n == 0) strcpy(cmdline, "cl.exe"); strncat(cmdline, " -nologo -c -TC -Zs -X ", 255); /* append our option for testing */ strcat(cmdline, option); /* filename to compile, which exists, but is nothing and empty. */ strcat(cmdline, " .\\nul"); ok = CreateProcess( NULL, /* Module name. */ cmdline, /* Command line. */ NULL, /* Process handle not inheritable. */ NULL, /* Thread handle not inheritable. */ TRUE, /* yes, inherit handles. */ DETACHED_PROCESS, /* No console for you. */ NULL, /* Use parent's environment block. */ NULL, /* Use parent's starting directory. */ &si, /* Pointer to STARTUPINFO structure. */ &pi); /* Pointer to PROCESS_INFORMATION structure. */ if (!ok) { DWORD err = GetLastError(); int chars = wsprintf(msg, "Tried to launch: \"%s\", but got error [%u]: ", cmdline, err); FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID) &msg[chars], (300-chars), 0); WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, strlen(msg), &err, NULL); return 2; } /* close our references to the write handles that have now been inherited. */ CloseHandle(si.hStdOutput); CloseHandle(si.hStdError); WaitForInputIdle(pi.hProcess, 5000); CloseHandle(pi.hThread); /* start the pipe reader threads. */ pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID); pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID); /* block waiting for the process to end. */ WaitForSingleObject(pi.hProcess, INFINITE); CloseHandle(pi.hProcess); /* clean up temporary files before returning */ DeleteFile("temp.idb"); DeleteFile("temp.pdb"); /* wait for our pipe to get done reading, should it be a little slow. */ WaitForMultipleObjects(2, pipeThreads, TRUE, 500); CloseHandle(pipeThreads[0]); CloseHandle(pipeThreads[1]); #ifdef _DEBUG { DWORD err = 0; strcat(cmdline, "\n"); WriteFile(GetStdHandle(STD_ERROR_HANDLE), cmdline, strlen(cmdline), &err, NULL); WriteFile(GetStdHandle(STD_ERROR_HANDLE), Out.buffer, strlen(Out.buffer), &err,NULL); WriteFile(GetStdHandle(STD_ERROR_HANDLE), Err.buffer, strlen(Err.buffer), &err,NULL); } #endif /* * Look for the commandline warning code in both streams. * - in MSVC 6 & 7 we get D4002, in MSVC 8 we get D9002. */ return !(strstr(Out.buffer, "D4002") != NULL || strstr(Err.buffer, "D4002") != NULL || strstr(Out.buffer, "D9002") != NULL || strstr(Err.buffer, "D9002") != NULL); } int CheckForLinkerFeature (const char *option) { STARTUPINFO si; PROCESS_INFORMATION pi; SECURITY_ATTRIBUTES sa; DWORD threadID; char msg[300]; BOOL ok; HANDLE hProcess, h, pipeThreads[2]; char cmdline[100]; hProcess = GetCurrentProcess(); ZeroMemory(&pi, sizeof(PROCESS_INFORMATION)); ZeroMemory(&si, sizeof(STARTUPINFO)); si.cb = sizeof(STARTUPINFO); si.dwFlags = STARTF_USESTDHANDLES; si.hStdInput = INVALID_HANDLE_VALUE; ZeroMemory(&sa, sizeof(SECURITY_ATTRIBUTES)); sa.nLength = sizeof(SECURITY_ATTRIBUTES); sa.lpSecurityDescriptor = NULL; sa.bInheritHandle = TRUE; /* create a non-inheritible pipe. */ CreatePipe(&Out.pipe, &h, &sa, 0); /* dupe the write side, make it inheritible, and close the original. */ DuplicateHandle(hProcess, h, hProcess, &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); /* Same as above, but for the error side. */ CreatePipe(&Err.pipe, &h, &sa, 0); DuplicateHandle(hProcess, h, hProcess, &si.hStdError, 0, TRUE, DUPLICATE_SAME_ACCESS | DUPLICATE_CLOSE_SOURCE); /* base command line */ strcpy(cmdline, "link.exe -nologo "); /* append our option for testing */ strcat(cmdline, option); /* filename to compile, which exists, but is nothing and empty. */ // strcat(cmdline, " nul"); ok = CreateProcess( NULL, /* Module name. */ cmdline, /* Command line. */ NULL, /* Process handle not inheritable. */ NULL, /* Thread handle not inheritable. */ TRUE, /* yes, inherit handles. */ DETACHED_PROCESS, /* No console for you. */ NULL, /* Use parent's environment block. */ NULL, /* Use parent's starting directory. */ &si, /* Pointer to STARTUPINFO structure. */ &pi); /* Pointer to PROCESS_INFORMATION structure. */ if (!ok) { DWORD err = GetLastError(); int chars = wsprintf(msg, "Tried to launch: \"%s\", but got error [%u]: ", cmdline, err); FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_MAX_WIDTH_MASK, 0L, err, 0, (LPVOID) &msg[chars], (300-chars), 0); WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, strlen(msg), &err, NULL); return 2; } /* close our references to the write handles that have now been inherited. */ CloseHandle(si.hStdOutput); CloseHandle(si.hStdError); WaitForInputIdle(pi.hProcess, 5000); CloseHandle(pi.hThread); /* start the pipe reader threads. */ pipeThreads[0] = CreateThread(NULL, 0, ReadFromPipe, &Out, 0, &threadID); pipeThreads[1] = CreateThread(NULL, 0, ReadFromPipe, &Err, 0, &threadID); /* block waiting for the process to end. */ WaitForSingleObject(pi.hProcess, INFINITE); CloseHandle(pi.hProcess); /* wait for our pipe to get done reading, should it be a little slow. */ WaitForMultipleObjects(2, pipeThreads, TRUE, 500); CloseHandle(pipeThreads[0]); CloseHandle(pipeThreads[1]); /* look for the commandline warning code in the stderr stream. */ return !(strstr(Out.buffer, "LNK1117") != NULL || strstr(Err.buffer, "LNK1117") != NULL); } DWORD WINAPI ReadFromPipe (LPVOID args) { pipeinfo *pi = (pipeinfo *) args; char *lastBuf = pi->buffer; DWORD dwRead; BOOL ok; again: ok = ReadFile(pi->pipe, lastBuf, 25, &dwRead, 0L); if (!ok || dwRead == 0) { CloseHandle(pi->pipe); return 0; } lastBuf += dwRead; goto again; return 0; /* makes the compiler happy */ } int IsIn (const char *string, const char *substring) { return (strstr(string, substring) != NULL); }