forked from KolibriOS/kolibrios
97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
#include <stdio.h>
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#include <mesys.h>
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typedef struct{
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dword subproc ;//* +0: dword: íîìåð ïîäôóíêöèè
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int offset_l ;//* +4: dword: ñìåùåíèå â ôàéëå
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int offset_h ;//* +8: dword: ñòàðøèé dword ñìåùåíèÿ (äîëæåí áûòü 0) èëè ïîëå ôëàãîâ
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int size ;//* +12 = +0xC: dword: ðàçìåð
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void* data ;//* +16 = +0x10: dword: óêàçàòåëü íà äàííûå
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char letter ;//* +20 = +0x14: n db: ASCIIZ-ñòðîêà ñ èìåíåì ôàéëà
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char* name ;// èëè
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//* +20 = +0x14: db 0
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//* +21 = +0x15: dd óêàçàòåëü íà ASCIIZ-ñòðîêó ñ èìåíåì ôàéëà
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} mesys_file;
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int stdcall _msys_read_file(char* filename, int fileoffset,int
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size,void* data, int* filesize)
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{
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mesys_file file;
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int res;
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file.subproc = 0;
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file.letter = 0;
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file.offset_h = 0;
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file.offset_l = fileoffset;
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file.size = size;
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file.name = filename;
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file.data = data;
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asm("movl $70,%eax");
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asm("movl file,%ebx");
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asm("int $0x40");
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asm("movl %eax, res");
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asm("movl %ebx, size");
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if(res==0)
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{
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if(filesize) filesize = size;
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return 0;
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}else return res;
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}
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int stdcall _msys_write_file(char* filename,int fileoffset, int size, void* data)
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{
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mesys_file file;
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file.subproc = 3;
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file.letter = 0;
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file.offset_h = 0;
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file.offset_l = fileoffset;
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file.size = size;
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file.name = filename;
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file.data = data;
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asm("movl $70,%eax");
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asm("movl file,%ebx");
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asm("int $0x40");
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}
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void stdcall _msys_run_program(char* filename,char* parameters)
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{
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mesys_file file;
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file.subproc = 7;
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file.letter = 0;
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file.offset_h = parameters;
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file.offset_l = 0;
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file.size = 0;
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file.name = filename;
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file.data = 0;
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asm("movl $70,%eax");
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asm("movl file,%ebx");
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asm("int $0x40");
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}
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int stdcall _msys_create_file(char* filename)
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{
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mesys_file file;
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file.subproc = 2;
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file.letter = 0;
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file.offset_h = 0;
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file.offset_l = 0;
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file.size = 0;
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file.name = filename;
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file.data = (dword)&file;
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asm("movl $70,%eax");
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asm("movl file,%ebx");
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asm("int $0x40");
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/* asm("movl %eax, 0(res)");
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asm("movl %ebx, 0(size)");
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return res;*/
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} |