/* WARNING: This file was generated by dkct. Changes you make here will be lost if dkct is run again! You should modify the original source and run dkct on it. Original source: dk4strmr.ctr */ /* Copyright (C) 2015-2017, Dirk Krause Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above opyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. * Neither the name of the author nor the names of contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @file dk4strmr.c The dk4strmr module. */ #line 69 "dk4strmr.ctr" #include "dk4conf.h" #if DK4_ON_WINDOWS && DK4_WIN_DENY_CRT #ifndef WINDOWS_H_INCLUDED #include #define WINDOWS_H_INCLUDED 1 #endif #ifndef DK4STRMH_H_INCLUDED #include "dk4strmh.h" #endif #endif #include "dk4strmr.h" #ifndef DK4FD_H_INCLUDED #include "dk4fd.h" #endif #ifndef DK4PATH_H_INCLUDED #include "dk4pathd.h" #endif #ifndef DK4STRD_H_INCLUDED #include "dk4strd.h" #endif #ifndef DK4FOPD_H_INCLUDED #include "dk4fopd.h" #endif #line 103 "dk4strmr.ctr" /** Compression suffixes. */ static const dkChar * const dk4strmr_co_su[] = { /* 0 */ dkT(".gz"), /* 1 */ dkT(".bz2"), /* 2 */ dkT(".svgz"), NULL #line 114 "dk4strmr.ctr" }; /** File mode for binary reading. */ static const char dk4strmr_c8_mode[] = { "rb" }; /** File mode for binary reading. */ static const dkChar dk4strmr_dk_mode[] = { dkT("rb") }; dk4_stream_t * dk4stream_open_file_reader(const dkChar *filename, dk4_er_t *erp) { dk4_stream_t *back = NULL; /* Function result */ const dkChar *p1 = NULL; /* Suffix pointer */ #if DK4_HAVE_ZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT)) gzFile gzf = NULL; /* gzip compressed input file */ #endif #if DK4_HAVE_BZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT)) BZFILE *bzf = NULL; /* bzip2 compressed input file */ #endif FILE *fipo = NULL; /* Input file */ #if DK4_ON_WINDOWS && DK4_WIN_DENY_CRT HANDLE fha = INVALID_HANDLE_VALUE; DWORD dwattr = (DWORD)0UL; #endif int coi = -1; /* Compression algorithm index */ #if DK4_CHAR_SIZE > 1 int fd = -1; /* File descriptor */ #endif #line 148 "dk4strmr.ctr" if (NULL != filename) { p1 = dk4path_get_suffix(filename, erp); if (NULL != p1) { #line 151 "dk4strmr.ctr" coi = dk4str_array_index( dk4strmr_co_su, p1, DK4_HAVE_CASE_INSENSITIVE_PATHNAMES ); if (0 > coi) coi = -1; #line 155 "dk4strmr.ctr" } if (0 != dk4fopen_check(filename, 0, DK4_FOPEN_SC_IS_REGULAR, erp)) { #line 158 "dk4strmr.ctr" switch (coi) { case 1: { #if DK4_HAVE_BZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT)) #if DK4_CHAR_SIZE > 1 /* +++++ bzip2, wchar_t */ #line 164 "dk4strmr.ctr" fd = dk4fd_wc_open(filename, (DK4_O_RDONLY | DK4_O_BINARY), erp); if (-1 < fd) { bzf = BZ2_bzdopen(fd, dk4strmr_c8_mode); if (NULL != bzf) { back = dk4stream_open_for_bzfile_with_close( bzf, DK4_STREAM_READ, 4096, 1024, erp ); if (NULL == back) { BZ2_bzclose(bzf); } } else { dk4error_set_simple_error_code(erp, DK4_E_OPEN_READ_FAILED); (void)dk4fd_close(fd, NULL); } } else { dk4error_set_simple_error_code(erp, DK4_E_OPEN_READ_FAILED); } /* ----- bzip2, wchar_t */ #else /* +++++ bzip2, char */ #line 185 "dk4strmr.ctr" bzf = BZ2_bzopen(filename, dk4strmr_c8_mode); if (NULL != bzf) { back = dk4stream_open_for_bzfile_with_close( bzf, DK4_STREAM_READ, 4096, 1024, erp ); if (NULL == back) { BZ2_bzclose(bzf); } } else { dk4error_set_simple_error_code(erp, DK4_E_OPEN_READ_FAILED); } /* ----- bzip2, char */ #endif #else dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED); #endif } break; case 0: case 2: { #line 203 "dk4strmr.ctr" #if DK4_HAVE_ZLIB_H && (!(DK4_ON_WINDOWS && DK4_WIN_DENY_CRT)) #if DK4_CHAR_SIZE > 1 #line 206 "dk4strmr.ctr" /* +++++ gzip, wchar_t */ fd = dk4fd_wc_open(filename, (DK4_O_RDONLY | DK4_O_BINARY), erp); if (-1 < fd) { gzf = gzdopen(fd, dk4strmr_c8_mode); if (NULL != gzf) { back = dk4stream_open_for_gzfile_with_close( gzf, DK4_STREAM_READ, 4096, 1024, erp ); if (NULL == back) { gzclose(gzf); } } else { dk4error_set_simple_error_code(erp, DK4_E_OPEN_READ_FAILED); (void)dk4fd_close(fd, NULL); } } /* ----- gzip, wchar_t */ #else #line 225 "dk4strmr.ctr" /* +++++ gzip, char */ gzf = gzopen(filename, dk4strmr_c8_mode); if (NULL != gzf) { back = dk4stream_open_for_gzfile_with_close( gzf, DK4_STREAM_READ, 4096, 1024, erp ); if (NULL == back) { gzclose(gzf); } } else { dk4error_set_simple_error_code(erp, DK4_E_OPEN_READ_FAILED); } /* ----- gzip, char */ #endif #else dk4error_set_simple_error_code(erp, DK4_E_NOT_SUPPORTED); #endif } break; default: { #line 244 "dk4strmr.ctr" #if DK4_ON_WINDOWS && DK4_WIN_DENY_CRT dwattr = FILE_ATTRIBUTE_NORMAL; dwattr |= FILE_FLAG_BACKUP_SEMANTICS; dwattr |= FILE_FLAG_SEQUENTIAL_SCAN; #if DK4_CHAR_SIZE > 1 fha = CreateFileW( filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, dwattr, NULL ); #else fha = CreateFileA( filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, dwattr, NULL ); #endif if (INVALID_HANDLE_VALUE != fha) { back = dk4stream_open_for_windows_handle_with_close( fha, DK4_STREAM_READ, 4096, 1024, erp ); if (NULL == back) { (void)CloseHandle(fha); } } else { dk4error_set_simple_error_code(erp, DK4_E_OPEN_READ_FAILED); } #else fipo = dk4fopen( filename, dk4strmr_dk_mode, DK4_FOPEN_SC_IS_REGULAR, erp ); if (NULL != fipo) { #line 274 "dk4strmr.ctr" back = dk4stream_open_for_file_with_close( fipo, DK4_STREAM_READ, 4096, 1024, erp ); if (NULL == back) { #line 278 "dk4strmr.ctr" (void)fclose(fipo); } } else { #line 281 "dk4strmr.ctr" } #endif #line 284 "dk4strmr.ctr" } break; } } else { #line 287 "dk4strmr.ctr" } } else { dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); } #line 291 "dk4strmr.ctr" return back; }