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