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iso9660: get CD info

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git-svn-id: svn://kolibrios.org@6872 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
pathoswithin 2017-03-03 17:06:08 +00:00
parent 5e7dc6b25c
commit 846906fa8c
1 changed files with 50 additions and 32 deletions
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82
kernel/trunk/fs/iso9660.inc
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@ -10,7 +10,7 @@ $Revision$
; CD external functions
; in:
; esi -> path string in UTF-8
; ebx -> offset in file (qword)
; ebx -> parameter structure +4
; ecx = bytes to read
; edx -> buffer
; out:
@ -484,44 +484,62 @@ cd_get_parameters_of_file_1:
;-----------------------------------------------------------------------------
fs_CdGetFileInfo:
cmp byte [esi], 0
jnz @f
mov eax, 2
ret
;--------------------------------------
@@:
push edi
call cd_find_lfn
pushfd
cmp [DevErrorCode], 0
jz @f
popfd
pop edi
mov eax, 11
ret
;--------------------------------------
@@:
popfd
jnc @f
pop edi
mov eax, ERROR_FILE_NOT_FOUND
ret
;--------------------------------------
@@:
movi eax, ERROR_FILE_NOT_FOUND
jc @f
mov edi, edx
push ebp
mov eax, [ebx+4]
mov [edx+4], eax
cmp byte [esi], 0
jz .volume
mov ebp, [cd_current_pointer_of_input]
add ebp, 33
call cd_get_parameters_of_file_1
pop ebp
and dword [edi+4], 0
pop edi
xor eax, eax
@@:
ret
.volume:
mov ecx, 16
mov esi, CDDataBuf+40
add edi, 40
cmp eax, 2
jz .utf16
cmp eax, 3
jz .utf8
@@:
lodsw
xchg al, ah
call uni2ansi_char
stosb
loop @b
jmp .size
.utf16:
lodsw
xchg al, ah
stosw
loop .utf16
jmp .size
.utf8:
mov ebx, ecx
shl ecx, 1
@@:
lodsw
xchg ah, al
call UTF16to8
dec ebx
jnz @b
.size:
mov eax, [CDDataBuf+80]
shl eax, 11
mov [edx+32], eax
xor eax, eax
mov [edx+36], eax
stosw
ret
;-----------------------------------------------------------------------------
cd_find_lfn:
mov [cd_appl_data], 0