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qmake: Scan source files with QFile

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The C API we've used so far underlies stronger restrictions regarding
path length than QFile.  Since qmake is not bootstrapped anymore, we can
use QFile.

Task-number: QTBUG-99791
Change-Id: Ic7765b0c09a8aa07c208c1b1d02efe0c54bb44f2
Reviewed-by: Dominik Holland <dominik.holland@qt.io>
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
This commit is contained in:
Joerg Bornemann 2022-01-24 12:52:38 +01:00
parent 31b8a7e5ed
commit 747bca3d67
1 changed files with 11 additions and 41 deletions
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52
qmake/generators/makefiledeps.cpp
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@ -29,6 +29,7 @@
#include "makefiledeps.h"
#include "option.h"
#include <qfile.h>
#include <qdir.h>
#include <qdatetime.h>
#include <qfileinfo.h>
@ -40,16 +41,8 @@
# include <io.h>
#endif
#include <qdebug.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <limits.h>
#if defined(_MSC_VER) && _MSC_VER >= 1400
#include <share.h>
#endif
QT_BEGIN_NAMESPACE
@ -515,28 +508,17 @@ bool QMakeSourceFileInfo::findDeps(SourceFile *file)
const QMakeLocalFileName sourceFile = fixPathForFile(file->file, true);
struct stat fst;
char *buffer = nullptr;
int buffer_len = 0;
{
int fd;
#if defined(_MSC_VER) && _MSC_VER >= 1400
if (_sopen_s(&fd, sourceFile.local().toLatin1().constData(),
_O_RDONLY, _SH_DENYNO, _S_IREAD) != 0)
fd = -1;
#else
fd = open(sourceFile.local().toLatin1().constData(), O_RDONLY);
#endif
if (fd == -1 || fstat(fd, &fst) || S_ISDIR(fst.st_mode)) {
if (fd != -1)
QT_CLOSE(fd);
QFile f(sourceFile.local());
if (!f.open(QIODevice::ReadOnly))
return false;
}
buffer = getBuffer(fst.st_size);
const qint64 fs = f.size();
buffer = getBuffer(fs);
for(int have_read = 0;
(have_read = QT_READ(fd, buffer + buffer_len, fst.st_size - buffer_len));
(have_read = f.read(buffer + buffer_len, fs - buffer_len));
buffer_len += have_read) ;
QT_CLOSE(fd);
}
if(!buffer)
return false;
@ -901,25 +883,13 @@ bool QMakeSourceFileInfo::findMocs(SourceFile *file)
int buffer_len = 0;
char *buffer = nullptr;
{
struct stat fst;
int fd;
#if defined(_MSC_VER) && _MSC_VER >= 1400
if (_sopen_s(&fd, fixPathForFile(file->file, true).local().toLocal8Bit().constData(),
_O_RDONLY, _SH_DENYNO, _S_IREAD) != 0)
fd = -1;
#else
fd = open(fixPathForFile(file->file, true).local().toLocal8Bit().constData(), O_RDONLY);
#endif
if (fd == -1 || fstat(fd, &fst) || S_ISDIR(fst.st_mode)) {
if (fd != -1)
QT_CLOSE(fd);
QFile f(fixPathForFile(file->file, true).local());
if (!f.open(QIODevice::ReadOnly))
return false; //shouldn't happen
}
buffer = getBuffer(fst.st_size);
while (int have_read = QT_READ(fd, buffer + buffer_len, fst.st_size - buffer_len))
const qint64 fs = f.size();
buffer = getBuffer(fs);
while (int have_read = f.read(buffer + buffer_len, fs - buffer_len))
buffer_len += have_read;
QT_CLOSE(fd);
}
debug_msg(2, "findMocs: %s", file->file.local().toLatin1().constData());