| 0,0 → 1,97 |
|---|
| #include <stdio.h> |
| #include <mesys.h> |
| |
| typedef struct{ |
| dword subproc ;//* +0: dword: íîìåð ïîäôóíêöèè |
| int offset_l ;//* +4: dword: ñìåùåíèå â ôàéëå |
| int offset_h ;//* +8: dword: ñòàðøèé dword ñìåùåíèÿ (äîëæåí áûòü 0) èëè ïîëå ôëàãîâ |
| int size ;//* +12 = +0xC: dword: ðàçìåð |
| void* data ;//* +16 = +0x10: dword: óêàçàòåëü íà äàííûå |
| char letter ;//* +20 = +0x14: n db: ASCIIZ-ñòðîêà ñ èìåíåì ôàéëà |
| char* name ;// èëè |
| //* +20 = +0x14: db 0 |
| //* +21 = +0x15: dd óêàçàòåëü íà ASCIIZ-ñòðîêó ñ èìåíåì ôàéëà |
| } mesys_file; |
| |
| |
| |
| int stdcall _msys_read_file(char* filename, int fileoffset,int |
| size,void* data, int* filesize) |
| { |
| mesys_file file; |
| int res; |
| |
| file.subproc = 0; |
| file.letter = 0; |
| file.offset_h = 0; |
| file.offset_l = fileoffset; |
| file.size = size; |
| file.name = filename; |
| file.data = data; |
| |
| asm("movl $70,%eax"); |
| asm("movl file,%ebx"); |
| asm("int $0x40"); |
| asm("movl %eax, res"); |
| asm("movl %ebx, size"); |
| |
| if(res==0) |
| { |
| if(filesize) filesize = size; |
| return 0; |
| }else return res; |
| } |
| |
| int stdcall _msys_write_file(char* filename,int fileoffset, int size, void* data) |
| { |
| mesys_file file; |
| |
| file.subproc = 3; |
| file.letter = 0; |
| file.offset_h = 0; |
| file.offset_l = fileoffset; |
| file.size = size; |
| file.name = filename; |
| file.data = data; |
| |
| asm("movl $70,%eax"); |
| asm("movl file,%ebx"); |
| asm("int $0x40"); |
| } |
| |
| void stdcall _msys_run_program(char* filename,char* parameters) |
| { |
| mesys_file file; |
| |
| file.subproc = 7; |
| file.letter = 0; |
| file.offset_h = parameters; |
| file.offset_l = 0; |
| file.size = 0; |
| file.name = filename; |
| file.data = 0; |
| |
| asm("movl $70,%eax"); |
| asm("movl file,%ebx"); |
| asm("int $0x40"); |
| } |
| |
| int stdcall _msys_create_file(char* filename) |
| { |
| mesys_file file; |
| |
| file.subproc = 2; |
| file.letter = 0; |
| file.offset_h = 0; |
| file.offset_l = 0; |
| file.size = 0; |
| file.name = filename; |
| file.data = (dword)&file; |
| |
| asm("movl $70,%eax"); |
| asm("movl file,%ebx"); |
| asm("int $0x40"); |
| /* asm("movl %eax, 0(res)"); |
| asm("movl %ebx, 0(size)"); |
| return res;*/ |
| } |