qhelpgenerator

           qhelpgenerator \

           qcollectiongenerator

-- /dev/null

++ b/src/assistant/qcollectiongenerator/main.c

-- /dev/null

/****************************************************************************

**

** Copyright (C) 2018 The Qt Company Ltd.

** Contact: https://www.qt.io/licensing/

**

** This file is part of the Qt Assistant of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:GPL-EXCEPT$

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** Licensees holding valid commercial Qt licenses may use this file in

** accordance with the commercial license agreement provided with the

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** GNU General Public License Usage

** Alternatively, this file may be used under the terms of the GNU

** General Public License version 3 as published by the Free Software

** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT

** included in the packaging of this file. Please review the following

** information to ensure the GNU General Public License requirements will

** be met: https://www.gnu.org/licenses/gpl-3.0.html.

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** $QT_END_LICENSE$

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****************************************************************************/

#include <stddef.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#ifdef _WIN32

#include <process.h>

#else

#include <unistd.h>

#endif

static const char collectionGeneratorName[] = "qcollectiongenerator";

static const char helpGeneratorName[] = "qhelpgenerator";

#ifdef _WIN32

static const char separator = '\\';

#else

static const char separator = '/';

#endif

int main(int argc, char *argv[])

{

 printf("The \"%s\" tool is deprecated, use \"%s\" instead.\n\n",

 collectionGeneratorName, helpGeneratorName);

 // Replace the "qcollectiongenerator" with "qhelpgenerator"

 // in passed argv[0], keeping the path.

 const size_t currentNameSize = strlen(argv[0]);

 const size_t collectionGeneratorNameSize = strlen(collectionGeneratorName);

 const ptrdiff_t maxPathOffset = currentNameSize - collectionGeneratorNameSize;

 ptrdiff_t pathOffset = maxPathOffset;

 if (maxPathOffset >= 0 && strchr(argv[0] + maxPathOffset, separator))

 pathOffset = -1; // Separator detected. Wrong filename.

 while (pathOffset >= 0) {

 const char *fileName = argv[0] + pathOffset;

 if (fileName[0] == separator) { // Separator detected. Wrong filename.

 pathOffset = -1;

 break;

 }

 if (!strncmp(fileName, collectionGeneratorName, collectionGeneratorNameSize))

 break;

 --pathOffset;

 }

 if (pathOffset < 0) {

 fprintf(stderr, "Wrong tool name. "

 "The tool name is expected to contain: \"%s\", got: \"%s\" instead.\n",

 collectionGeneratorName, argv[0]);

 return 3;

 }

 const size_t helpGeneratorNameSize = strlen(helpGeneratorName);

 // Allocate a buffer for the new full path, consisting of the pathSize + new name

 char *newPath = (char *) malloc((maxPathOffset + helpGeneratorNameSize + 1) * sizeof(char));

 // Copy the path

 memcpy(newPath, argv[0], pathOffset);

 // Copy the new name

 memcpy(newPath + pathOffset, helpGeneratorName, helpGeneratorNameSize);

 // Copy the remaining part

 memcpy(newPath + pathOffset + helpGeneratorNameSize,

 argv[0] + pathOffset + collectionGeneratorNameSize,

 currentNameSize - pathOffset - collectionGeneratorNameSize + 1);

 argv[0] = newPath;

#ifdef _WIN32

 const intptr_t ret = _spawnvp(_P_WAIT, newPath, argv);

 if (ret == -1) {

 fprintf(stderr, "Error while executing \"%s\" tool.\n", newPath);

 return 3;

 }

 return ret;

#else

 execvp(newPath, argv);

 fprintf(stderr, "Error while executing \"%s\" tool.\n", newPath);

 return 3;

#endif

}