kolibrios-fun/programs/bcc32/include/kos_file.h
IgorA fdc6bbf450 buf2d examples clean code
git-svn-id: svn://kolibrios.org@9675 a494cfbc-eb01-0410-851d-a64ba20cac60
2022-01-28 21:05:17 +00:00

108 lines
2.5 KiB
C++

#ifndef __KOLIBRI_FILE_H_INCLUDED_
#define __KOLIBRI_FILE_H_INCLUDED_
#include "kolibri.h"
#include "kos_heap.h"
// Kolibri file interface.
namespace Kolibri // All kolibri functions, types and data are nested in the (Kolibri) namespace.
{
struct FileDateTime{
unsigned long int time;
unsigned long int date;
};
struct FileInfoBlock
{
unsigned long int Function;
unsigned long int Position;
unsigned long int Flags;
unsigned long int Count;
char *Buffer;
char *FileName1;
char *FileName2;
};
struct FileInfoA
{
unsigned long int Attributes;
unsigned long int Flags;
FileDateTime DateCreate;
FileDateTime DateAccess;
FileDateTime DateModify;
unsigned long int FileSizeLow;
unsigned long int FileSizeHigh;
char FileName[520];
};
// Functions.
int _FileAccess(FileInfoBlock *file_access);
FileInfoBlock* FileOpen(const char *name)
{
if (!name || !name[0]){
//DebugPutString("name is 0");
return 0;
}
FileInfoBlock* file = (FileInfoBlock*)Alloc(sizeof(FileInfoBlock)+sizeof(FileInfoA));
if (!file){
//DebugPutString("mem_Alloc -> 0");
return 0;
}
file->Function = 5; //SSF_GET_INFO
file->Position = 0;
file->Flags = 0;
file->Count = 0;
file->Buffer = (char*)file+sizeof(FileInfoBlock);
file->FileName1 = (char*)name;
file->FileName2 = (char*)name;
file->FileName1 = (char*)((long)file->FileName1 << 8);
file->FileName2 = (char*)((long)file->FileName2 >> 24);
_FileAccess(file);
return file;
}
int FileClose(FileInfoBlock* file_data)
{
if (!file_data) return -1;
Free(file_data);
return 0;
}
unsigned long int FileRead(FileInfoBlock* file_data, void *mem, int size)
{
file_data->Function = 0; //SSF_READ_FILE
file_data->Position = 0;
file_data->Flags = 0;
file_data->Count = size;
file_data->Buffer = (char*)mem;
if(!_FileAccess(file_data)) return file_data->Function;
else return 0;
}
unsigned long int FileCreate(FileInfoBlock* file_data, void *mem, int size)
{
file_data->Function = 2; //SSF_CREATE_FILE
file_data->Position = 0;
file_data->Flags = 0;
file_data->Count = size;
file_data->Buffer = (char*)mem;
if(!_FileAccess(file_data)) return file_data->Function;
else return 0;
}
// Inline functions.
inline unsigned long int FileGetLength(FileInfoBlock* file_data)
{
if (!file_data) return -1;
return (unsigned long int)*(long*)((char*)file_data+sizeof(FileInfoBlock)+32);
}
}
#endif // ndef __KOLIBRI_FILE_H_INCLUDED_