/* * This file is part of RawTherapee. * * Copyright (c) 2004-2010 Gabor Horvath * * RawTherapee is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * RawTherapee is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with RawTherapee. If not, see . */ #ifndef _MYFILE_ #define _MYFILE_ #include #include #include struct IMFILE { int fd; int pos; int size; char* data; bool eof; }; IMFILE* fopen (const char* fname); IMFILE* gfopen (const char* fname);IMFILE* fopen (unsigned* buf, int size); void fclose (IMFILE* f); inline int ftell (IMFILE* f) { return f->pos; } inline int feof (IMFILE* f) { return f->eof; } inline void fseek (IMFILE* f, int p, int how) { if (how==SEEK_SET) f->pos = p; else if (how==SEEK_CUR) f->pos += p; else if (how==SEEK_END) f->pos = f->size-p; } inline int fgetc (IMFILE* f) { if (f->possize) return (unsigned char)f->data[f->pos++]; f->eof = true; return EOF; } inline int getc (IMFILE* f) { if (f->possize) return (unsigned char)f->data[f->pos++]; f->eof = true; return EOF; } inline int fread (void* dst, int es, int count, IMFILE* f) { int s = es*count; int avail = f->size - f->pos; if (s<=avail) { memcpy (dst, f->data+f->pos, s); f->pos += s; return count; } else { memcpy (dst, f->data+f->pos, avail); f->pos += avail; f->eof = true; return avail/es; } } inline unsigned char* fdata(int offset, IMFILE* f) { return (unsigned char*)f->data + offset; } int fscanf (IMFILE* f, const char* s ...); char* fgets (char* s, int n, IMFILE* f); #endif