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authorllornkcor <llornkcor>2003-07-17 02:25:08 (UTC)
committer llornkcor <llornkcor>2003-07-17 02:25:08 (UTC)
commit6ca1d7605597f4b8a7559167e5cf3d6e093805cd (patch) (side-by-side diff)
tree93096c3d0df0c0f02c75d2acc2f481120914945c
parent115e09bdeb2ee3c7c0b9344f95179e1d10e86e48 (diff)
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fix filesaving when filename contains extended characters
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--library/filemanager.cpp85
-rw-r--r--library/filemanager.h2
2 files changed, 78 insertions, 9 deletions
diff --git a/library/filemanager.cpp b/library/filemanager.cpp
index 2b97846..cc657fa 100644
--- a/library/filemanager.cpp
+++ b/library/filemanager.cpp
@@ -28,6 +28,11 @@
#include <errno.h>
#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <sys/sendfile.h>
+#include <fcntl.h>
/*!
\class FileManager
@@ -59,20 +64,22 @@ bool FileManager::saveFile( const DocLnk &f, const QByteArray &data )
QString fn = f.file() + ".new";
ensurePathExists( fn );
QFile fl( fn );
- if ( !fl.open( IO_WriteOnly|IO_Raw ) )
+ if ( !fl.open( IO_WriteOnly|IO_Raw ) ) {
+ qWarning("open failed");
return FALSE;
+ }
int total_written = fl.writeBlock( data );
fl.close();
if ( total_written != int(data.size()) || !f.writeLink() ) {
QFile::remove( fn );
return FALSE;
}
+ qDebug("total written %d out of %d", total_written, data.size());
// else rename the file...
- if ( ::rename( fn.latin1(), f.file().latin1() ) < 0 ) {
+ if ( !renameFile( fn.latin1(), f.file().latin1() ) ) {
qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(),
f.file().latin1(), errno );
// remove the file...
- QFile::remove( fn );
}
return TRUE;
}
@@ -90,7 +97,7 @@ bool FileManager::saveFile( const DocLnk &f, const QString &text )
ensurePathExists( fn );
QFile fl( fn );
if ( !fl.open( IO_WriteOnly|IO_Raw ) ) {
- qDebug( "open failed: %s", fn.latin1() );
+ qWarning("open failed");
return FALSE;
}
@@ -102,12 +109,11 @@ bool FileManager::saveFile( const DocLnk &f, const QString &text )
QFile::remove( fn );
return FALSE;
}
- // okay now rename the file...
- if ( ::rename( fn.latin1(), f.file().latin1() ) < 0 ) {
+ // okay now rename the file..
+ if ( !renameFile( fn.latin1(), f.file().latin1() ) ) {
qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(),
f.file().latin1(), errno );
- // remove the tmp file, otherwise, it will just lay around...
- QFile::remove( fn.latin1() );
+
}
return TRUE;
}
@@ -197,7 +203,7 @@ bool FileManager::copyFile( const AppLnk &src, const AppLnk &dest )
if ( ok ) {
// okay now rename the file...
- if ( ::rename( fn.latin1(), dest.file().latin1() ) < 0 ) {
+ if ( !renameFile( fn.latin1(), dest.file().latin1() ) ) {
qWarning( "problem renaming file %s to %s, errno: %d", fn.latin1(),
dest.file().latin1(), errno );
// remove the tmp file, otherwise, it will just lay around...
@@ -210,6 +216,67 @@ bool FileManager::copyFile( const AppLnk &src, const AppLnk &dest )
return ok;
}
+bool FileManager::copyFile( const QString & src, const QString & dest ) {
+ bool success = true;
+ struct stat status;
+ int read_fd=0;
+ int write_fd=0;
+ struct stat stat_buf;
+ off_t offset = 0;
+ QFile srcFile(src);
+ QFile destFile(dest);
+
+ if(!srcFile.open( IO_ReadOnly|IO_Raw)) {
+ return success = false;
+ }
+ read_fd = srcFile.handle();
+ if(read_fd != -1) {
+ fstat (read_fd, &stat_buf);
+ if( !destFile.open( IO_WriteOnly|IO_Raw ) )
+ return success = false;
+ write_fd = destFile.handle();
+ if(write_fd != -1) {
+ int err=0;
+ QString msg;
+ err = sendfile(write_fd, read_fd, &offset, stat_buf.st_size);
+ if( err == -1) {
+ switch(err) {
+ case EBADF : msg = "The input file was not opened for reading or the output file was not opened for writing. ";
+ case EINVAL: msg = "Descriptor is not valid or locked. ";
+ case ENOMEM: msg = "Insufficient memory to read from in_fd.";
+ case EIO: msg = "Unspecified error while reading from in_fd.";
+ };
+ success = false;
+ }
+ } else {
+ qWarning("open write failed %s, %s",src.latin1(), dest.latin1());
+ success = false;
+ }
+ } else {
+ qWarning("open read failed %s, %s",src.latin1(), dest.latin1());
+ success = false;
+ }
+ srcFile.close();
+ destFile.close();
+ // Set file permissions
+ if( stat( (const char *) src, &status ) == 0 ) {
+ chmod( (const char *) dest, status.st_mode );
+ }
+
+ return success;
+}
+
+
+bool FileManager::renameFile( const QString & src, const QString & dest ) {
+ if(copyFile( src, dest )) {
+ if(QFile::remove(src) ) {
+ return true;
+ }
+ }
+ return false;
+}
+
+
/*!
Opens the document specified by \a f as a readable QIODevice.
The caller must delete the return value.
diff --git a/library/filemanager.h b/library/filemanager.h
index f8d9425..61a3341 100644
--- a/library/filemanager.h
+++ b/library/filemanager.h
@@ -38,6 +38,8 @@ public:
bool loadFile( const DocLnk&, QByteArray &data );
bool loadFile( const DocLnk&, QString &text );
bool copyFile( const AppLnk &src, const AppLnk &dest );
+ bool copyFile( const QString & src, const QString & dest );
+ bool renameFile( const QString &, const QString &);
// The caller must delete the return values.
QIODevice* openFile( const DocLnk& );