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very important file

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git-svn-id: svn://kolibrios.org@246 a494cfbc-eb01-0410-851d-a64ba20cac60
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victor 2006-12-24 01:11:03 +00:00
parent c4329e6227
commit 08a4dc7f2d
1 changed files with 97 additions and 0 deletions
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programs/develop/metcc/trunk/libc/mesys/_mesys_c.c Normal file
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#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;*/
}