/* ** file_io.cpp ** ZDoom compatible file IO interface for WildMIDI ** (This file was completely redone to remove the low level IO code references) ** **--------------------------------------------------------------------------- ** Copyright 2010 Christoph Oelckers ** All rights reserved. ** ** Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions ** are met: ** ** 1. Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** 2. Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in the ** documentation and/or other materials provided with the distribution. ** 3. The name of the author may not be used to endorse or promote products ** derived from this software without specific prior written permission. ** ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. **--------------------------------------------------------------------------- ** */ #include #include #include #include "wm_error.h" #include "file_io.h" #include "wildmidi_file.h" namespace WildMidi { static const int WM_MAXFILESIZE = 0x1fffffff; unsigned char *_WM_BufferFile(SoundFontReaderInterface *reader, const char *filename, unsigned long int *size, std::string *fullname) { auto fp = reader->open_wildmidi_file(filename); if (!fp) { _WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LOAD, filename, errno); return NULL; } auto fsize = (fp->seek(0, SEEK_END), fp->tell()); if (fsize > WM_MAXFILESIZE) { /* don't bother loading suspiciously long files */ _WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LONGFIL, filename, 0); return NULL; } unsigned char *data = (unsigned char*)malloc(fsize+1); if (data == NULL) { _WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_MEM, NULL, errno); _WM_ERROR(__FUNCTION__, __LINE__, WM_ERR_LOAD, filename, errno); return NULL; } fp->seek(0, SEEK_SET); fp->read(data, fsize); if (fullname)* fullname = fp->filename; fp->close(); data[fsize] = 0; *size = (long)fsize; return data; } }