From c91847d549cc1c30eb15504a15ea9a6d5aa48165 Mon Sep 17 00:00:00 2001 From: "chirs241097@gmail.com" Date: Sun, 12 Jan 2014 14:43:14 +0000 Subject: --- hge/ZLIB/ioapi.c | 107 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 hge/ZLIB/ioapi.c (limited to 'hge/ZLIB/ioapi.c') diff --git a/hge/ZLIB/ioapi.c b/hge/ZLIB/ioapi.c new file mode 100644 index 0000000..9ac1985 --- /dev/null +++ b/hge/ZLIB/ioapi.c @@ -0,0 +1,107 @@ +/* ioapi.c -- IO base function header for compress/uncompress .zip +files using zlib + zip or unzip API + +Version 1.01, May 8th, 2004 + +Copyright (C) 1998-2004 Gilles Vollant + */ + +#include +#include +#include + +#include "zlib.h" +#include "ioapi.h" + + +void *ZCALLBACK fopen_file_func(void *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 != NULL) && (mode_fopen != NULL)) + { + file = fopen(filename, mode_fopen); + } + return file; +} + +//------------------------------------------------------------------------- + + +DWORD ZCALLBACK fread_file_func(void *opaque, void *stream, void *buf, DWORD size) +{ + return fread(buf, 1, (size_t)size, (FILE*)stream); +} + +//------------------------------------------------------------------------- + + +DWORD ZCALLBACK fwrite_file_func(void *opaque, void *stream, const void *buf, DWORD size) +{ + return fwrite(buf, 1, (size_t)size, (FILE*)stream); +} + +//------------------------------------------------------------------------- + +long ZCALLBACK ftell_file_func(void *opaque, void *stream) +{ + return ftell((FILE*)stream); +} + +//------------------------------------------------------------------------- + +long ZCALLBACK fseek_file_func(void *opaque, void *stream, DWORD offset, int origin) +{ + fseek((FILE*)stream, offset, origin); + + return 0; +} + +//------------------------------------------------------------------------- + +int ZCALLBACK fclose_file_func(void *opaque, void *stream) +{ + return fclose((FILE*)stream); +} + +//------------------------------------------------------------------------- + +int ZCALLBACK ferror_file_func(void *opaque, void *stream) +{ + return ferror((FILE*)stream); +} + +//------------------------------------------------------------------------- + +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; +} -- cgit v1.2.3