nmakehlp.c
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上传日期:2015-12-11
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文件大小:12k
- /*
- * ----------------------------------------------------------------------------
- * 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 1.1.6.5 2006/10/18 08:56:21 patthoyts Exp $
- * ----------------------------------------------------------------------------
- */
- #define _CRT_SECURE_NO_DEPRECATE
- #include <windows.h>
- #pragma comment (lib, "user32.lib")
- #pragma comment (lib, "kernel32.lib")
- #include <stdio.h>
- #include <math.h>
- #if defined(_M_IA64) || defined(_M_AMD64)
- #pragma comment(lib, "bufferoverflowU")
- #endif
- /* ISO hack for dumb VC++ */
- #ifdef _MSC_VER
- #define snprintf _snprintf
- #endif
- /* protos */
- int CheckForCompilerFeature(const char *option);
- int CheckForLinkerFeature(const char *option);
- int IsIn(const char *string, const char *substring);
- int GrepForDefine(const char *file, const char *string);
- DWORD WINAPI ReadFromPipe(LPVOID args);
- /* globals */
- #define CHUNK 25
- #define STATICBUFFERSIZE 1000
- typedef struct {
- HANDLE pipe;
- char buffer[STATICBUFFERSIZE];
- } pipeinfo;
- pipeinfo Out = {INVALID_HANDLE_VALUE, ' '};
- pipeinfo Err = {INVALID_HANDLE_VALUE, ' '};
- /*
- * 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 effected by the outside world.
- */
- SetEnvironmentVariable("CL", "");
- SetEnvironmentVariable("LINK", "");
- if (argc > 1 && *argv[1] == '-') {
- switch (*(argv[1]+1)) {
- case 'c':
- if (argc != 3) {
- chars = snprintf(msg, sizeof(msg) - 1,
- "usage: %s -c <compiler option>n"
- "Tests for whether cl.exe supports an optionn"
- "exitcodes: 0 == no, 1 == yes, 2 == errorn", argv[0]);
- WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
- &dwWritten, NULL);
- return 2;
- }
- return CheckForCompilerFeature(argv[2]);
- case 'l':
- if (argc != 3) {
- chars = snprintf(msg, sizeof(msg) - 1,
- "usage: %s -l <linker option>n"
- "Tests for whether link.exe supports an optionn"
- "exitcodes: 0 == no, 1 == yes, 2 == errorn", argv[0]);
- WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
- &dwWritten, NULL);
- return 2;
- }
- return CheckForLinkerFeature(argv[2]);
- case 'f':
- if (argc == 2) {
- chars = snprintf(msg, sizeof(msg) - 1,
- "usage: %s -f <string> <substring>n"
- "Find a substring within anothern"
- "exitcodes: 0 == no, 1 == yes, 2 == errorn", 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]);
- }
- case 'g':
- if (argc == 2) {
- chars = snprintf(msg, sizeof(msg) - 1,
- "usage: %s -g <file> <string>n"
- "grep for a #definen"
- "exitcodes: integer of the found string (no decimals)n",
- argv[0]);
- WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
- &dwWritten, NULL);
- return 2;
- }
- return GrepForDefine(argv[2], argv[3]);
- }
- }
- chars = snprintf(msg, sizeof(msg) - 1,
- "usage: %s -c|-l|-f ...n"
- "This is a little helper app to equalize shell differences between WinNT andn"
- "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;
- 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 = 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.
- */
- lstrcpy(cmdline, "cl.exe -nologo -c -TC -Zs -X ");
- /*
- * Append our option for testing
- */
- lstrcat(cmdline, option);
- /*
- * Filename to compile, which exists, but is nothing and empty.
- */
- lstrcat(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 = snprintf(msg, sizeof(msg) - 1,
- "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, lstrlen(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 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.
- */
- lstrcpy(cmdline, "link.exe -nologo ");
- /*
- * Append our option for testing.
- */
- lstrcat(cmdline, option);
- 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 = snprintf(msg, sizeof(msg) - 1,
- "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, lstrlen(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 ||
- strstr(Out.buffer, "LNK4044") != NULL ||
- strstr(Err.buffer, "LNK4044") != NULL);
- }
- DWORD WINAPI
- ReadFromPipe(
- LPVOID args)
- {
- pipeinfo *pi = (pipeinfo *) args;
- char *lastBuf = pi->buffer;
- DWORD dwRead;
- BOOL ok;
- again:
- if (lastBuf - pi->buffer + CHUNK > STATICBUFFERSIZE) {
- CloseHandle(pi->pipe);
- return (DWORD)-1;
- }
- ok = ReadFile(pi->pipe, lastBuf, CHUNK, &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);
- }
- /*
- * Find a specified #define by name.
- *
- * If the line is '#define TCL_VERSION "8.5"', it returns 85 as the result.
- */
- int
- GrepForDefine(
- const char *file,
- const char *string)
- {
- FILE *f;
- char s1[51], s2[51], s3[51];
- int r = 0;
- double d1;
- f = fopen(file, "rt");
- if (f == NULL) {
- return 0;
- }
- do {
- r = fscanf(f, "%50s", s1);
- if (r == 1 && !strcmp(s1, "#define")) {
- /*
- * Get next two words.
- */
- r = fscanf(f, "%50s %50s", s2, s3);
- if (r != 2) {
- continue;
- }
- /*
- * Is the first word what we're looking for?
- */
- if (!strcmp(s2, string)) {
- fclose(f);
- /*
- * Add 1 past first double quote char. "8.5"
- */
- d1 = atof(s3 + 1); /* 8.5 */
- while (floor(d1) != d1) {
- d1 *= 10.0;
- }
- return ((int) d1); /* 85 */
- }
- }
- } while (!feof(f));
- fclose(f);
- return 0;
- }