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/* ----------------------------------------------------------------------------
* Copyright (c) 2003 by Patrick Thoyts
*
* 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 2004/12/17 16:02:06 patthoyts Exp $
* ----------------------------------------------------------------------------
*/
#include <windows.h>
#include <stdio.h>
#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);
int GetVersionFromHeader(const char *tclh, const char *tkh);
/* 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 */
main (int argc, char *argv[])
chars = wsprintf(msg, "usage: %s -c <compiler option>\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 <linker option>\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 <string> <substring>\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]);
}
case 'v':
if (argc != 4) {
chars = wsprintf(msg, "usage: %s -v <tcl.h> <tk.h>\n"
"Search for versions from the tcl and tk headers.",
argv[0]);
WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars, &dwWritten, NULL);
return 0;
}
return GetVersionFromHeader(argv[2], argv[3]);
}
}
chars = wsprintf(msg, "usage: %s -c|-l|-f ...\n"
int
CheckForCompilerFeature (const char *option)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
SECURITY_ATTRIBUTES sa;
DWORD threadID;
char msg[300];
BOOL ok;
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/*
* ----------------------------------------------------------------------------
* nmakehlp.c --
*
* This is used to fix limitations within nmake and the environment.
*
* Copyright (c) 2002 by David Gravereaux.
* Copyright (c) 2006 by Pat Thoyts
*
* 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 1.2 2007/09/06 21:01:55 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);
int SubstituteFile(const char *substs, const char *filename);
const char * GetVersionFromFile(const char *filename, const char *match);
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, '\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 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 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 = snprintf(msg, sizeof(msg) - 1,
"usage: %s -l <linker option>\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 = snprintf(msg, sizeof(msg) - 1,
"usage: %s -f <string> <substring>\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]);
}
case 'g':
if (argc == 2) {
chars = snprintf(msg, sizeof(msg) - 1,
"usage: %s -g <file> <string>\n"
"grep for a #define\n"
"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]);
case 's':
if (argc == 2) {
chars = snprintf(msg, sizeof(msg) - 1,
"usage: %s -s <substitutions file> <file>\n"
"Perform a set of string map type substutitions on a file\n"
"exitcodes: 0\n",
argv[0]);
WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
&dwWritten, NULL);
return 2;
}
return SubstituteFile(argv[2], argv[3]);
case 'V':
if (argc != 4) {
chars = snprintf(msg, sizeof(msg) - 1,
"usage: %s -V filename matchstring\n"
"Extract a version from a file:\n"
"eg: pkgIndex.tcl \"package ifneeded http\"",
argv[0]);
WriteFile(GetStdHandle(STD_ERROR_HANDLE), msg, chars,
&dwWritten, NULL);
return 0;
}
printf("%s\n", GetVersionFromFile(argv[2], argv[3]));
return 0;
}
}
chars = snprintf(msg, sizeof(msg) - 1,
"usage: %s -c|-l|-f|-g|-V ...\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;
char msg[300];
BOOL ok;
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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 */
strcpy(cmdline, "cl.exe -nologo -c -TC -Fdtemp ");
/* 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. */
/* look for the commandline warning code in both streams. */
return !(strstr(Out.buffer, "D4002") != NULL || strstr(Err.buffer, "D4002") != NULL);
}
int
CheckForLinkerFeature (const char *option)
{
STARTUPINFO si;
PROCESS_INFORMATION pi;
SECURITY_ATTRIBUTES sa;
DWORD threadID;
char msg[300];
BOOL ok;
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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 -Fp.\\_junk.pch ");
/*
* 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;
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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)
static double
ReadVersionFromHeader(const char *file, const char *macro)
double d = 0.0;
CHAR szBuffer[100];
LPSTR p;
DWORD cbBuffer = 100;
FILE *fp = fopen(file, "r");
if (fp != NULL) {
while (fgets(szBuffer, cbBuffer, fp) != NULL) {
if ((p = strstr(szBuffer, macro)) != NULL) {
while (*p && !isdigit(*p)) ++p;
d = strtod(p, NULL);
return d;
}
int
GetVersionFromHeader(const char *tclh, const char *tkh)
double dTcl = 0.0, dTk = 0.0;
if (tclh != NULL)
dTcl = ReadVersionFromHeader(tclh, "TCL_VERSION");
if (tkh != NULL)
dTk = ReadVersionFromHeader(tkh, "TK_VERSION");
if (dTcl > 0 || dTk > 0) {
FILE *ofp = fopen("version.vc", "w");
if (dTcl > 0)
fprintf(ofp, "TCL_DOTVERSION\t= %0.1f\nTCL_VERSION\t= %u\n",
dTcl, (int)(dTcl * 10.0));
if (dTk > 0)
fprintf(ofp, "TK_DOTVERSION\t= %0.1f\nTK_VERSION\t= %u\n",
dTk, (int)(dTk * 10.0));
fclose(ofp);
return 0;
}
return 1;
}
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|
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)
{
char s1[51], s2[51], s3[51];
FILE *f = fopen(file, "rt");
if (f == NULL) {
return 0;
}
do {
int 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)) {
double d1;
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;
}
/*
* GetVersionFromFile --
* Looks for a match string in a file and then returns the version
* following the match where a version is anything acceptable to
* package provide or package ifneeded.
*/
const char *
GetVersionFromFile(
const char *filename,
const char *match)
{
size_t cbBuffer = 100;
static char szBuffer[100];
char *szResult = NULL;
FILE *fp = fopen(filename, "rt");
if (fp != NULL) {
/*
* Read data until we see our match string.
*/
while (fgets(szBuffer, cbBuffer, fp) != NULL) {
LPSTR p, q;
p = strstr(szBuffer, match);
if (p != NULL) {
/*
* Skip to first digit.
*/
while (*p && !isdigit(*p)) {
++p;
}
/*
* Find ending whitespace.
*/
q = p;
while (*q && (isalnum(*q) || *q == '.')) {
++q;
}
memcpy(szBuffer, p, q - p);
szBuffer[q-p] = 0;
szResult = szBuffer;
break;
}
}
fclose(fp);
}
return szResult;
}
/*
* List helpers for the SubstituteFile function
*/
typedef struct list_item_t {
struct list_item_t *nextPtr;
char * key;
char * value;
} list_item_t;
/* insert a list item into the list (list may be null) */
static list_item_t *
list_insert(list_item_t **listPtrPtr, const char *key, const char *value)
{
list_item_t *itemPtr = malloc(sizeof(list_item_t));
if (itemPtr) {
itemPtr->key = strdup(key);
itemPtr->value = strdup(value);
itemPtr->nextPtr = NULL;
while(*listPtrPtr) {
listPtrPtr = &(*listPtrPtr)->nextPtr;
}
*listPtrPtr = itemPtr;
}
return itemPtr;
}
static void
list_free(list_item_t **listPtrPtr)
{
list_item_t *tmpPtr, *listPtr = *listPtrPtr;
while (listPtr) {
tmpPtr = listPtr;
listPtr = listPtr->nextPtr;
free(tmpPtr->key);
free(tmpPtr->value);
free(tmpPtr);
}
}
/*
* SubstituteFile --
* As windows doesn't provide anything useful like sed and it's unreliable
* to use the tclsh you are building against (consider x-platform builds -
* eg compiling AMD64 target from IX86) we provide a simple substitution
* option here to handle autoconf style substitutions.
* The substitution file is whitespace and line delimited. The file should
* consist of lines matching the regular expression:
* \s*\S+\s+\S*$
*
* Usage is something like:
* nmakehlp -S << $** > $@
* @PACKAGE_NAME@ $(PACKAGE_NAME)
* @PACKAGE_VERSION@ $(PACKAGE_VERSION)
* <<
*/
int
SubstituteFile(
const char *substitutions,
const char *filename)
{
size_t cbBuffer = 1024;
static char szBuffer[1024], szCopy[1024];
char *szResult = NULL;
list_item_t *substPtr = NULL;
FILE *fp, *sp;
fp = fopen(filename, "rt");
if (fp != NULL) {
/*
* Build a list of substutitions from the first filename
*/
sp = fopen(substitutions, "rt");
if (sp != NULL) {
while (fgets(szBuffer, cbBuffer, sp) != NULL) {
char *ks, *ke, *vs, *ve;
ks = szBuffer;
while (ks && *ks && isspace(*ks)) ++ks;
ke = ks;
while (ke && *ke && !isspace(*ke)) ++ke;
vs = ke;
while (vs && *vs && isspace(*vs)) ++vs;
ve = vs;
while (ve && *ve && !(*ve == '\r' || *ve == '\n')) ++ve;
*ke = 0, *ve = 0;
list_insert(&substPtr, ks, vs);
}
fclose(sp);
}
/* debug: dump the list */
#ifdef _DEBUG
{
int n = 0;
list_item_t *p = NULL;
for (p = substPtr; p != NULL; p = p->nextPtr, ++n) {
fprintf(stderr, "% 3d '%s' => '%s'\n", n, p->key, p->value);
}
}
#endif
/*
* Run the substitutions over each line of the input
*/
while (fgets(szBuffer, cbBuffer, fp) != NULL) {
list_item_t *p = NULL;
for (p = substPtr; p != NULL; p = p->nextPtr) {
char *m = strstr(szBuffer, p->key);
if (m) {
char *cp, *op, *sp;
cp = szCopy;
op = szBuffer;
while (op != m) *cp++ = *op++;
sp = p->value;
while (sp && *sp) *cp++ = *sp++;
op += strlen(p->key);
while (*op) *cp++ = *op++;
*cp = 0;
memcpy(szBuffer, szCopy, sizeof(szCopy));
}
}
printf(szBuffer);
}
list_free(&substPtr);
}
fclose(fp);
return 0;
}
/*
* Local variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* indent-tabs-mode: t
* tab-width: 8
* End:
*/
|