From 08a4dc7f2d95257249d0a6e73e0d7fda73f827e1 Mon Sep 17 00:00:00 2001 From: victor Date: Sun, 24 Dec 2006 01:11:03 +0000 Subject: [PATCH] very important file git-svn-id: svn://kolibrios.org@246 a494cfbc-eb01-0410-851d-a64ba20cac60 --- .../develop/metcc/trunk/libc/mesys/_mesys_c.c | 97 +++++++++++++++++++ 1 file changed, 97 insertions(+) create mode 100644 programs/develop/metcc/trunk/libc/mesys/_mesys_c.c diff --git a/programs/develop/metcc/trunk/libc/mesys/_mesys_c.c b/programs/develop/metcc/trunk/libc/mesys/_mesys_c.c new file mode 100644 index 000000000..f30ed1a4b --- /dev/null +++ b/programs/develop/metcc/trunk/libc/mesys/_mesys_c.c @@ -0,0 +1,97 @@ +#include +#include + +typedef struct{ + dword subproc ;//* +0: dword: номер подфункции + int offset_l ;//* +4: dword: смещение в файле + int offset_h ;//* +8: dword: старший dword смещения (должен быть 0) или поле флагов + int size ;//* +12 = +0xC: dword: размер + void* data ;//* +16 = +0x10: dword: указатель на данные + char letter ;//* +20 = +0x14: n db: ASCIIZ-строка с именем файла + char* name ;// или + //* +20 = +0x14: db 0 + //* +21 = +0x15: dd указатель на ASCIIZ-строку с именем файла +} 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;*/ +} \ No newline at end of file