| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* 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 |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "zlib.h" |
| #include "axis2_ioapi.h" |
| |
| /* 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 ZCALLBACK fopen_file_func OF( |
| (voidpf opaque, |
| const char *filename, |
| int mode)); |
| |
| uLong ZCALLBACK fread_file_func OF( |
| (voidpf opaque, |
| voidpf stream, |
| void *buf, |
| uLong size)); |
| |
| uLong ZCALLBACK fwrite_file_func OF( |
| (voidpf opaque, |
| voidpf stream, |
| const void *buf, |
| uLong size)); |
| |
| long ZCALLBACK ftell_file_func OF( |
| (voidpf opaque, |
| voidpf stream)); |
| |
| long ZCALLBACK fseek_file_func OF( |
| (voidpf opaque, |
| voidpf stream, |
| uLong offset, |
| int origin)); |
| |
| int ZCALLBACK fclose_file_func OF( |
| (voidpf opaque, |
| voidpf stream)); |
| |
| int ZCALLBACK ferror_file_func OF( |
| (voidpf opaque, |
| voidpf stream)); |
| |
| voidpf ZCALLBACK |
| fopen_file_func( |
| voidpf opaque, |
| const char *filename, |
| int mode) |
| { |
| FILE *file = NULL; |
| const char *mode_fopen = NULL; |
| if ((mode & ZLIB_FILEFUNC_MODE_READWRITEFILTER) == ZLIB_FILEFUNC_MODE_READ) |
| mode_fopen = "rb"; |
| else if (mode & ZLIB_FILEFUNC_MODE_EXISTING) |
| mode_fopen = "r+b"; |
| else if (mode & ZLIB_FILEFUNC_MODE_CREATE) |
| mode_fopen = "wb"; |
| |
| if ((filename) && (mode_fopen != NULL)) |
| file = fopen(filename, mode_fopen); |
| return file; |
| } |
| |
| uLong ZCALLBACK |
| fread_file_func( |
| voidpf opaque, |
| voidpf stream, |
| void *buf, |
| uLong size) |
| { |
| uLong ret; |
| ret = (uLong) fread(buf, 1, (size_t) size, (FILE *) stream); |
| return ret; |
| } |
| |
| uLong ZCALLBACK |
| fwrite_file_func( |
| voidpf opaque, |
| voidpf stream, |
| const void *buf, |
| uLong size) |
| { |
| uLong ret; |
| ret = (uLong) fwrite(buf, 1, (size_t) size, (FILE *) stream); |
| return ret; |
| } |
| |
| long ZCALLBACK |
| ftell_file_func( |
| voidpf opaque, |
| voidpf stream) |
| { |
| long ret; |
| ret = ftell((FILE *) stream); |
| return ret; |
| } |
| |
| long ZCALLBACK |
| fseek_file_func( |
| voidpf opaque, |
| voidpf stream, |
| uLong offset, |
| int origin) |
| { |
| int fseek_origin = 0; |
| long ret; |
| switch (origin) |
| { |
| case ZLIB_FILEFUNC_SEEK_CUR: |
| fseek_origin = SEEK_CUR; |
| break; |
| case ZLIB_FILEFUNC_SEEK_END: |
| fseek_origin = SEEK_END; |
| break; |
| case ZLIB_FILEFUNC_SEEK_SET: |
| fseek_origin = SEEK_SET; |
| break; |
| default: |
| return -1; |
| } |
| ret = 0; |
| fseek((FILE *) stream, offset, fseek_origin); |
| return ret; |
| } |
| |
| int ZCALLBACK |
| fclose_file_func( |
| voidpf opaque, |
| voidpf stream) |
| { |
| int ret; |
| ret = fclose((FILE *) stream); |
| return ret; |
| } |
| |
| int ZCALLBACK |
| ferror_file_func( |
| voidpf opaque, |
| voidpf stream) |
| { |
| int ret; |
| ret = ferror((FILE *) stream); |
| return ret; |
| } |
| |
| void |
| fill_fopen_filefunc( |
| zlib_filefunc_def *pzlib_filefunc_def) |
| { |
| pzlib_filefunc_def->zopen_file = fopen_file_func; |
| pzlib_filefunc_def->zread_file = fread_file_func; |
| pzlib_filefunc_def->zwrite_file = fwrite_file_func; |
| pzlib_filefunc_def->ztell_file = ftell_file_func; |
| pzlib_filefunc_def->zseek_file = fseek_file_func; |
| pzlib_filefunc_def->zclose_file = fclose_file_func; |
| pzlib_filefunc_def->zerror_file = ferror_file_func; |
| pzlib_filefunc_def->opaque = NULL; |
| } |