vbagx/source/vba/common/memfile.h

31 lines
1.1 KiB
C

/****************************************************************************
* Memory-based replacement for standard C file functions
* This allows standard file calls to be replaced by memory based ones
* With little modification required to the code
*
* Written By: Daryl Borth, October 2008
*
* This code 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 2, or (at your option)
* any later version.
***************************************************************************/
typedef struct MFile {
char *buffer; // pointer to buffer memory
long int offset; // current position indicator in buffer
long int size; // total file (buffer) size
} MFILE;
#define MSEEK_SET 0
#define MSEEK_CUR 1
#define MSEEK_END 2
#define MEOF (-1)
MFILE * memfopen(char * buffer, int size);
int memfclose(MFILE * src);
int memfseek ( MFILE * m, long int offset, int origin );
long int memftell (MFILE * stream);
size_t memfread(void * dst, size_t size, size_t count, MFILE * src);
int memfgetc(MFILE * src);