diff options
Diffstat (limited to 'daemon/quazip/qioapi.cpp')
| -rw-r--r-- | daemon/quazip/qioapi.cpp | 361 |
1 files changed, 0 insertions, 361 deletions
diff --git a/daemon/quazip/qioapi.cpp b/daemon/quazip/qioapi.cpp deleted file mode 100644 index 534dbdf..0000000 --- a/daemon/quazip/qioapi.cpp +++ /dev/null @@ -1,361 +0,0 @@ -/* ioapi.c -- IO base function header for compress/uncompress .zip - files using zlib + zip or unzip API - - Version 1.01e, February 12th, 2005 - - Copyright (C) 1998-2005 Gilles Vollant - - Modified by Sergey A. Tachenov to integrate with Qt. -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "zlib.h" -#include "ioapi.h" -#include "quazip_global.h" -#include <QIODevice> -#if (QT_VERSION >= 0x050100) -#define QUAZIP_QSAVEFILE_BUG_WORKAROUND -#endif -#ifdef QUAZIP_QSAVEFILE_BUG_WORKAROUND -#include <QSaveFile> -#endif - -/* I've found an old Unix (a SunOS 4.1.3_U1) without all SEEK_* defined.... */ - -#ifndef SEEK_CUR -#define SEEK_CUR 1 -#endif - -#ifndef SEEK_END -#define SEEK_END 2 -#endif - -#ifndef SEEK_SET -#define SEEK_SET 0 -#endif - -voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,voidpf file,int mode) -{ - if (pfilefunc->zfile_func64.zopen64_file != NULL) - return (*(pfilefunc->zfile_func64.zopen64_file)) (pfilefunc->zfile_func64.opaque,file,mode); - else - { - return (*(pfilefunc->zopen32_file))(pfilefunc->zfile_func64.opaque,file,mode); - } -} - -int call_zseek64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream, ZPOS64_T offset, int origin) -{ - if (pfilefunc->zfile_func64.zseek64_file != NULL) - return (*(pfilefunc->zfile_func64.zseek64_file)) (pfilefunc->zfile_func64.opaque,filestream,offset,origin); - else - { - uLong offsetTruncated = (uLong)offset; - if (offsetTruncated != offset) - return -1; - else - return (*(pfilefunc->zseek32_file))(pfilefunc->zfile_func64.opaque,filestream,offsetTruncated,origin); - } -} - -ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream) -{ - if (pfilefunc->zfile_func64.zseek64_file != NULL) - return (*(pfilefunc->zfile_func64.ztell64_file)) (pfilefunc->zfile_func64.opaque,filestream); - else - { - uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream); - if ((tell_uLong) == ((uLong)-1)) - return (ZPOS64_T)-1; - else - return tell_uLong; - } -} - -struct QIODevice_descriptor { - // Position only used for writing to sequential devices. - qint64 pos; - inline QIODevice_descriptor(): - pos(0) - {} -}; - -voidpf ZCALLBACK qiodevice_open_file_func ( - voidpf opaque, - voidpf file, - int mode) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - QIODevice *iodevice = reinterpret_cast<QIODevice*>(file); - QIODevice::OpenMode desiredMode; - if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER)==ZLIB_FILEFUNC_MODE_READ) - desiredMode = QIODevice::ReadOnly; - else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) - desiredMode = QIODevice::ReadWrite; - else if (mode & ZLIB_FILEFUNC_MODE_CREATE) - desiredMode = QIODevice::WriteOnly; - if (iodevice->isOpen()) { - if ((iodevice->openMode() & desiredMode) == desiredMode) { - if (desiredMode != QIODevice::WriteOnly - && iodevice->isSequential()) { - // We can use sequential devices only for writing. - delete d; - return NULL; - } else { - if ((desiredMode & QIODevice::WriteOnly) != 0) { - // open for writing, need to seek existing device - if (!iodevice->isSequential()) { - iodevice->seek(0); - } else { - d->pos = iodevice->pos(); - } - } - } - return iodevice; - } else { - delete d; - return NULL; - } - } - iodevice->open(desiredMode); - if (iodevice->isOpen()) { - if (desiredMode != QIODevice::WriteOnly && iodevice->isSequential()) { - // We can use sequential devices only for writing. - iodevice->close(); - delete d; - return NULL; - } else { - return iodevice; - } - } else { - delete d; - return NULL; - } -} - - -uLong ZCALLBACK qiodevice_read_file_func ( - voidpf opaque, - voidpf stream, - void* buf, - uLong size) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream); - qint64 ret64 = iodevice->read((char*)buf,size); - uLong ret; - ret = (uLong) ret64; - if (ret64 != -1) { - d->pos += ret64; - } - return ret; -} - - -uLong ZCALLBACK qiodevice_write_file_func ( - voidpf opaque, - voidpf stream, - const void* buf, - uLong size) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream); - uLong ret; - qint64 ret64 = iodevice->write((char*)buf,size); - if (ret64 != -1) { - d->pos += ret64; - } - ret = (uLong) ret64; - return ret; -} - -uLong ZCALLBACK qiodevice_tell_file_func ( - voidpf opaque, - voidpf stream) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream); - uLong ret; - qint64 ret64; - if (iodevice->isSequential()) { - ret64 = d->pos; - } else { - ret64 = iodevice->pos(); - } - ret = static_cast<uLong>(ret64); - return ret; -} - -ZPOS64_T ZCALLBACK qiodevice64_tell_file_func ( - voidpf opaque, - voidpf stream) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream); - qint64 ret; - if (iodevice->isSequential()) { - ret = d->pos; - } else { - ret = iodevice->pos(); - } - return static_cast<ZPOS64_T>(ret); -} - -int ZCALLBACK qiodevice_seek_file_func ( - voidpf /*opaque UNUSED*/, - voidpf stream, - uLong offset, - int origin) -{ - QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream); - if (iodevice->isSequential()) { - if (origin == ZLIB_FILEFUNC_SEEK_END - && offset == 0) { - // sequential devices are always at end (needed in mdAppend) - return 0; - } else { - qWarning("qiodevice_seek_file_func() called for sequential device"); - return -1; - } - } - uLong qiodevice_seek_result=0; - int ret; - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR : - qiodevice_seek_result = ((QIODevice*)stream)->pos() + offset; - break; - case ZLIB_FILEFUNC_SEEK_END : - qiodevice_seek_result = ((QIODevice*)stream)->size() - offset; - break; - case ZLIB_FILEFUNC_SEEK_SET : - qiodevice_seek_result = offset; - break; - default: - return -1; - } - ret = !iodevice->seek(qiodevice_seek_result); - return ret; -} - -int ZCALLBACK qiodevice64_seek_file_func ( - voidpf /*opaque UNUSED*/, - voidpf stream, - ZPOS64_T offset, - int origin) -{ - QIODevice *iodevice = reinterpret_cast<QIODevice*>(stream); - if (iodevice->isSequential()) { - if (origin == ZLIB_FILEFUNC_SEEK_END - && offset == 0) { - // sequential devices are always at end (needed in mdAppend) - return 0; - } else { - qWarning("qiodevice_seek_file_func() called for sequential device"); - return -1; - } - } - qint64 qiodevice_seek_result=0; - int ret; - switch (origin) - { - case ZLIB_FILEFUNC_SEEK_CUR : - qiodevice_seek_result = ((QIODevice*)stream)->pos() + offset; - break; - case ZLIB_FILEFUNC_SEEK_END : - qiodevice_seek_result = ((QIODevice*)stream)->size() - offset; - break; - case ZLIB_FILEFUNC_SEEK_SET : - qiodevice_seek_result = offset; - break; - default: - return -1; - } - ret = !iodevice->seek(qiodevice_seek_result); - return ret; -} - -int ZCALLBACK qiodevice_close_file_func ( - voidpf opaque, - voidpf stream) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - delete d; - QIODevice *device = reinterpret_cast<QIODevice*>(stream); -#ifdef QUAZIP_QSAVEFILE_BUG_WORKAROUND - // QSaveFile terribly breaks the is-a idiom: - // it IS a QIODevice, but it is NOT compatible with it: close() is private - QSaveFile *file = qobject_cast<QSaveFile*>(device); - if (file != NULL) { - // We have to call the ugly commit() instead: - return file->commit() ? 0 : -1; - } -#endif - device->close(); - return 0; -} - -int ZCALLBACK qiodevice_fakeclose_file_func ( - voidpf opaque, - voidpf /*stream*/) -{ - QIODevice_descriptor *d = reinterpret_cast<QIODevice_descriptor*>(opaque); - delete d; - return 0; -} - -int ZCALLBACK qiodevice_error_file_func ( - voidpf /*opaque UNUSED*/, - voidpf /*stream UNUSED*/) -{ - // can't check for error due to the QIODevice API limitation - return 0; -} - -void fill_qiodevice_filefunc ( - zlib_filefunc_def* pzlib_filefunc_def) -{ - pzlib_filefunc_def->zopen_file = qiodevice_open_file_func; - pzlib_filefunc_def->zread_file = qiodevice_read_file_func; - pzlib_filefunc_def->zwrite_file = qiodevice_write_file_func; - pzlib_filefunc_def->ztell_file = qiodevice_tell_file_func; - pzlib_filefunc_def->zseek_file = qiodevice_seek_file_func; - pzlib_filefunc_def->zclose_file = qiodevice_close_file_func; - pzlib_filefunc_def->zerror_file = qiodevice_error_file_func; - pzlib_filefunc_def->opaque = new QIODevice_descriptor; -} - -void fill_qiodevice64_filefunc ( - zlib_filefunc64_def* pzlib_filefunc_def) -{ - // Open functions are the same for Qt. - pzlib_filefunc_def->zopen64_file = qiodevice_open_file_func; - pzlib_filefunc_def->zread_file = qiodevice_read_file_func; - pzlib_filefunc_def->zwrite_file = qiodevice_write_file_func; - pzlib_filefunc_def->ztell64_file = qiodevice64_tell_file_func; - pzlib_filefunc_def->zseek64_file = qiodevice64_seek_file_func; - pzlib_filefunc_def->zclose_file = qiodevice_close_file_func; - pzlib_filefunc_def->zerror_file = qiodevice_error_file_func; - pzlib_filefunc_def->opaque = new QIODevice_descriptor; - pzlib_filefunc_def->zfakeclose_file = qiodevice_fakeclose_file_func; -} - -void fill_zlib_filefunc64_32_def_from_filefunc32(zlib_filefunc64_32_def* p_filefunc64_32,const zlib_filefunc_def* p_filefunc32) -{ - p_filefunc64_32->zfile_func64.zopen64_file = NULL; - p_filefunc64_32->zopen32_file = p_filefunc32->zopen_file; - p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; - p_filefunc64_32->zfile_func64.zread_file = p_filefunc32->zread_file; - p_filefunc64_32->zfile_func64.zwrite_file = p_filefunc32->zwrite_file; - p_filefunc64_32->zfile_func64.ztell64_file = NULL; - p_filefunc64_32->zfile_func64.zseek64_file = NULL; - p_filefunc64_32->zfile_func64.zclose_file = p_filefunc32->zclose_file; - p_filefunc64_32->zfile_func64.zerror_file = p_filefunc32->zerror_file; - p_filefunc64_32->zfile_func64.opaque = p_filefunc32->opaque; - p_filefunc64_32->zfile_func64.zfakeclose_file = NULL; - p_filefunc64_32->zseek32_file = p_filefunc32->zseek_file; - p_filefunc64_32->ztell32_file = p_filefunc32->ztell_file; -} |
