kolibrios/programs/develop/backy/Backy-lib.h
Kirill Lipatov (Leency) 0339c3b1d7 Backy: update by JohnXenox
git-svn-id: svn://kolibrios.org@7942 a494cfbc-eb01-0410-851d-a64ba20cac60
2020-05-17 20:32:47 +00:00

105 lines
2.5 KiB
C

/*
* Backy_lib.h
* Author: JohnXenox aka Aleksandr Igorevich.
*/
#ifndef __jxl_Date_get_h__
#define __jxl_Date_get_h__
#ifdef ___TINY_C___
typedef unsigned int uint32_t;
typedef unsigned char uint8_t;
typedef unsigned short int uint16_t;
typedef unsigned long long uint64_t;
typedef char int8_t;
typedef short int int16_t;
typedef int int32_t;
typedef long long int64_t;
static inline int32_t saveFile(uint32_t nbytes, uint8_t *data, uint32_t enc, uint8_t *path)
{
int32_t val;
uint8_t dt[28]; // basic information structure.
(uint32_t) dt[0] = 2; // subfunction number.
(uint32_t) dt[4] = 0; // reserved.
(uint32_t) dt[8] = 0; // reserved.
(uint32_t) dt[12] = nbytes; // number of bytes to write.
(uint8_t *) dt[16] = data; // pointer to data.
(uint32_t) dt[20] = enc; // string encoding (0 = default, 1 = cp866, 2 = UTF-16LE, 3 = UTF-8).
(uint8_t *) dt[24] = path; // pointer to path.
__asm__ __volatile__("int $0x40":"=a"(val):"a"(80), "b"(&dt));
return val;
}
#else
#include <stdint.h>
static inline int32_t saveFile(uint32_t nbytes, uint8_t *data, uint32_t enc, uint8_t *path)
{
int32_t val;
struct file_op_t
{
uint32_t fn;
uint32_t reserved0;
uint32_t reserved1;
uint32_t number_of_bytes_to_write;
void * pointer_to_data;
char path[1];
} *file_op = calloc(sizeof(*file_op) + strlen(path) + 2, 1); // FIXME: Not works on UTF16LE enc
file_op->fn = 2;
file_op->number_of_bytes_to_write = nbytes;
file_op->pointer_to_data = data;
if (enc != 0)
{
file_op->path[0] = enc;
strcpy(file_op->path + 1, path);
}
else
{
strcpy(file_op->path, path);
}
asm volatile ("int $0x40":"=a"(val):"a"(80), "b"(file_op));
return val;
}
#endif
static inline uint32_t getDate(void)
{
uint32_t date;
__asm__ __volatile__("int $0x40":"=a"(date):"a"(29));
return date;
}
static inline uint32_t getTime(void)
{
uint32_t time;
__asm__ __volatile__("int $0x40":"=a"(time):"a"(3));
return time;
}
static inline void *openFile(uint32_t *length, const uint8_t *path)
{
uint8_t *fd;
__asm__ __volatile__ ("int $0x40":"=a"(fd), "=d"(*length):"a" (68), "b"(27),"c"(path));
return fd;
}
#endif