1 files changed, 107 insertions, 0 deletions
diff --git a/archive/hge/ZLIB/ioapi.c b/archive/hge/ZLIB/ioapi.c
new file mode 100644
index 0000000..9ac1985
--- /dev/null
+++ b/archive/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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#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;
+}