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add touch() function

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this is equivalent to unix "touch --no-create --reference <ref> <file>".
QFile has no setLastModified() (even though QFileInfo has
lastModified()), so the implementation is low-level.

Change-Id: I6783e8f2613e168ad0c24e79e7384d5b2e4901ee
Reviewed-by: Marius Storm-Olsen <marius.storm-olsen@nokia.com>
This commit is contained in:
Oswald Buddenhagen 2012-04-02 18:08:49 +02:00
parent 84614cabfa
commit 064a5a08d2
1 changed files with 74 additions and 1 deletions
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75
qmake/project.cpp
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@ -54,7 +54,11 @@
#include <qstack.h>
#include <qdebug.h>
#ifdef Q_OS_UNIX
#include <time.h>
#include <utime.h>
#include <errno.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#elif defined(Q_OS_WIN32)
#include <windows.h>
@ -119,7 +123,7 @@ enum TestFunc { T_REQUIRES=1, T_GREATERTHAN, T_LESSTHAN, T_EQUALS,
T_EXISTS, T_EXPORT, T_CLEAR, T_UNSET, T_EVAL, T_CONFIG, T_SYSTEM,
T_RETURN, T_BREAK, T_NEXT, T_DEFINED, T_CONTAINS, T_INFILE,
T_COUNT, T_ISEMPTY, T_INCLUDE, T_LOAD, T_DEBUG, T_ERROR,
T_MESSAGE, T_WARNING, T_IF, T_OPTION, T_CACHE, T_WRITE_FILE };
T_MESSAGE, T_WARNING, T_IF, T_OPTION, T_CACHE, T_WRITE_FILE, T_TOUCH };
QHash<QString, TestFunc> qmake_testFunctions()
{
static QHash<QString, TestFunc> *qmake_test_functions = 0;
@ -156,6 +160,7 @@ QHash<QString, TestFunc> qmake_testFunctions()
qmake_test_functions->insert("option", T_OPTION);
qmake_test_functions->insert("cache", T_CACHE);
qmake_test_functions->insert("write_file", T_WRITE_FILE);
qmake_test_functions->insert("touch", T_TOUCH);
}
return *qmake_test_functions;
}
@ -1925,6 +1930,23 @@ getCommandOutput(const QString &args)
return out;
}
#ifdef Q_OS_WIN
static QString windowsErrorCode()
{
wchar_t *string = 0;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER|FORMAT_MESSAGE_FROM_SYSTEM,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPWSTR)&string,
0,
NULL);
QString ret = QString::fromWCharArray(string);
LocalFree((HLOCAL)string);
return ret;
}
#endif
QStringList
QMakeProject::doProjectExpand(QString func, const QString &params,
QHash<QString, QStringList> &place)
@ -3076,6 +3098,57 @@ QMakeProject::doProjectTest(QString func, QList<QStringList> args_list, QHash<QS
return false;
}
return true; }
case T_TOUCH: {
if (args.count() != 2) {
fprintf(stderr, "%s:%d: touch(file, reffile) requires two arguments.\n",
parser.file.toLatin1().constData(), parser.line_no);
return false;
}
#ifdef Q_OS_UNIX
struct stat st;
if (stat(args.at(1).toLocal8Bit().constData(), &st)) {
fprintf(stderr, "%s:%d: ERROR: cannot stat() reference file %s: %s.\n",
parser.file.toLatin1().constData(), parser.line_no,
args.at(1).toLatin1().constData(), strerror(errno));
return false;
}
struct utimbuf utb;
utb.actime = time(0);
utb.modtime = st.st_mtime;
if (utime(args.at(0).toLocal8Bit().constData(), &utb)) {
fprintf(stderr, "%s:%d: ERROR: cannot touch %s: %s.\n",
parser.file.toLatin1().constData(), parser.line_no,
args.at(0).toLatin1().constData(), strerror(errno));
return false;
}
#else
HANDLE rHand = CreateFile((wchar_t*)args.at(1).utf16(),
GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (rHand == INVALID_HANDLE_VALUE) {
fprintf(stderr, "%s:%d: ERROR: cannot open() reference file %s: %s.\n",
parser.file.toLatin1().constData(), parser.line_no,
args.at(1).toLatin1().constData(),
windowsErrorCode().toLatin1().constData());
return false;
}
FILETIME ft;
GetFileTime(rHand, 0, 0, &ft);
CloseHandle(rHand);
HANDLE wHand = CreateFile((wchar_t*)args.at(0).utf16(),
GENERIC_WRITE, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (wHand == INVALID_HANDLE_VALUE) {
fprintf(stderr, "%s:%d: ERROR: cannot open %s: %s.\n",
parser.file.toLatin1().constData(), parser.line_no,
args.at(0).toLatin1().constData(),
windowsErrorCode().toLatin1().constData());
return false;
}
SetFileTime(wHand, 0, 0, &ft);
CloseHandle(wHand);
#endif
break; }
default:
fprintf(stderr, "%s:%d: Unknown test function: %s\n", parser.file.toLatin1().constData(), parser.line_no,
func.toLatin1().constData());