forked from KolibriOS/kolibrios
libs_dev: refactoring, comments
git-svn-id: svn://kolibrios.org@845 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
@@ -17,6 +17,9 @@
|
||||
;; ;;
|
||||
;;================================================================================================;;
|
||||
;; ;;
|
||||
;; 2008-08-06 (mike.dld) ;;
|
||||
;; changes: ;;
|
||||
;; - split private procs into libio_p.asm, added comments ;;
|
||||
;; 2007-12-10 (mike.dld) ;;
|
||||
;; changes: ;;
|
||||
;; - almost fully incompatible with previous version since return values were changed. ;;
|
||||
@@ -47,280 +50,18 @@ include 'libio_p.inc'
|
||||
|
||||
section '.flat' code readable align 16
|
||||
|
||||
mem.alloc dd ?
|
||||
mem.free dd ?
|
||||
mem.realloc dd ?
|
||||
dll.load dd ?
|
||||
|
||||
;;================================================================================================;;
|
||||
proc lib_init ;///////////////////////////////////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Library entry point (called after library load) ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> eax = pointer to memory allocation routine ;;
|
||||
;> ebx = pointer to memory freeing routine ;;
|
||||
;> ecx = pointer to memory reallocation routine ;;
|
||||
;> edx = pointer to library loading routine ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 1 (fail) / 0 (ok) (library initialization result) ;;
|
||||
;;================================================================================================;;
|
||||
mov [mem.alloc], eax
|
||||
mov [mem.free], ebx
|
||||
mov [mem.realloc], ecx
|
||||
mov [dll.load], edx
|
||||
xor eax, eax
|
||||
ret
|
||||
endp
|
||||
|
||||
;;================================================================================================;;
|
||||
proc file.aux.match_wildcard _str, _wcard ;///////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Match string against wildcard ;;
|
||||
;? Based on http://user.cs.tu-berlin.de/~schintke/references/wildcards/ ;;
|
||||
;? 1997-2001 (c) Florian Schintke ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _str = pointer to string (filename in most cases) ;;
|
||||
;> _wcard = pointer to string (mask expressed using wilcards (?, *, [..])) ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = false / true (match result) ;;
|
||||
;;================================================================================================;;
|
||||
push ecx edx esi edi
|
||||
mov dl, 1 ; fit
|
||||
mov esi, [_wcard]
|
||||
mov edi, [_str]
|
||||
.loop_wildcard:
|
||||
mov al, [esi]
|
||||
or al, al
|
||||
jz .loop_wildcard_exit
|
||||
or dl, dl
|
||||
jz .loop_wildcard_exit
|
||||
cmp byte[edi], 0
|
||||
je .loop_wildcard_exit
|
||||
|
||||
cmp al, '['
|
||||
je .process_set
|
||||
cmp al, '?'
|
||||
je .process_question
|
||||
cmp al, '*'
|
||||
je .process_asterisk
|
||||
|
||||
xor dl, dl
|
||||
cmp [edi], al
|
||||
jne @f
|
||||
inc dl
|
||||
@@: inc edi
|
||||
|
||||
.loop_wildcard_next:
|
||||
inc esi
|
||||
jmp .loop_wildcard
|
||||
|
||||
|
||||
.process_set:
|
||||
inc esi
|
||||
xor dl, dl ; fit
|
||||
xor dh, dh ; negation
|
||||
mov cl, 1 ; at_beginning
|
||||
cmp byte[esi], '^'
|
||||
jne .loop_set_wildcard
|
||||
inc dh
|
||||
inc esi
|
||||
|
||||
.loop_set_wildcard:
|
||||
mov al, [esi]
|
||||
cmp al, ']'
|
||||
jne @f
|
||||
or cl, cl
|
||||
jz .loop_set_wildcard_exit
|
||||
@@: or dl, dl
|
||||
jnz .loop_set_wildcard_fit
|
||||
cmp al, '-'
|
||||
jne .loop_set_wildcard_not_range
|
||||
mov ch, [esi - 1]
|
||||
cmp [esi + 1], ch
|
||||
jbe .loop_set_wildcard_not_range
|
||||
cmp byte[esi + 1], ']'
|
||||
je .loop_set_wildcard_not_range
|
||||
or cl, cl
|
||||
jnz .loop_set_wildcard_not_range
|
||||
cmp [edi], ch
|
||||
jb .loop_set_wildcard_fit
|
||||
mov ch, [esi + 1]
|
||||
cmp [edi], ch
|
||||
ja .loop_set_wildcard_fit
|
||||
mov dl, 1
|
||||
inc esi
|
||||
jmp .loop_set_wildcard_fit
|
||||
|
||||
.loop_set_wildcard_not_range:
|
||||
cmp [edi], al
|
||||
jne .loop_set_wildcard_fit
|
||||
mov dl, 1
|
||||
|
||||
.loop_set_wildcard_fit:
|
||||
inc esi
|
||||
xor cl, cl
|
||||
jmp .loop_set_wildcard
|
||||
|
||||
.loop_set_wildcard_exit:
|
||||
or dh, dh
|
||||
jz @f
|
||||
xor dl, 1
|
||||
@@: or dl, dl
|
||||
jz @f
|
||||
inc edi
|
||||
@@:
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.process_question:
|
||||
inc edi
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.process_asterisk:
|
||||
mov dl, 1
|
||||
inc esi
|
||||
|
||||
.loop_asterisk_del_shit:
|
||||
lodsb
|
||||
cmp byte[edi], 0
|
||||
je .loop_asterisk_del_shit_exit
|
||||
cmp al, '?'
|
||||
jne @f
|
||||
inc edi
|
||||
jmp .loop_asterisk_del_shit
|
||||
@@: cmp al, '*'
|
||||
je .loop_asterisk_del_shit
|
||||
|
||||
.loop_asterisk_del_shit_exit:
|
||||
|
||||
@@: cmp al, '*'
|
||||
jne @f
|
||||
lodsb
|
||||
jmp @b
|
||||
@@:
|
||||
dec esi
|
||||
cmp byte[edi], 0
|
||||
jne .process_asterisk_skip_exit
|
||||
xor dl, dl
|
||||
or al, al
|
||||
jnz @f
|
||||
inc dl
|
||||
@@: dec esi
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.process_asterisk_skip_exit:
|
||||
stdcall file.aux.match_wildcard, edi, esi
|
||||
or eax, eax
|
||||
jnz .process_asterisk_not_match
|
||||
|
||||
.loop_asterisk_match:
|
||||
inc edi
|
||||
|
||||
.loop_asterisk_char_match:
|
||||
mov al, [esi]
|
||||
cmp [edi], al
|
||||
je .loop_asterisk_char_match_exit
|
||||
cmp byte[esi], '['
|
||||
je .loop_asterisk_char_match_exit
|
||||
cmp byte[edi], 0
|
||||
je .loop_asterisk_char_match_exit
|
||||
inc edi
|
||||
jmp .loop_asterisk_char_match
|
||||
|
||||
.loop_asterisk_char_match_exit:
|
||||
cmp byte[edi], 0
|
||||
je @f
|
||||
stdcall file.aux.match_wildcard, edi, esi
|
||||
or eax, eax
|
||||
jnz .loop_asterisk_match_exit
|
||||
jmp .loop_asterisk_match
|
||||
@@:
|
||||
xor dl, dl
|
||||
|
||||
.loop_asterisk_match_exit:
|
||||
|
||||
.process_asterisk_not_match:
|
||||
cmp byte[esi], 0
|
||||
jne @f
|
||||
cmp byte[edi], 0
|
||||
jne @f
|
||||
mov dl, 1
|
||||
@@:
|
||||
dec esi
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.loop_wildcard_exit:
|
||||
or dl, dl
|
||||
jz .exit
|
||||
@@: cmp byte[esi], '*'
|
||||
jne .exit
|
||||
inc esi
|
||||
jmp @b
|
||||
|
||||
.exit:
|
||||
cmp byte[esi], 0
|
||||
je @f
|
||||
xor dl, dl
|
||||
@@: cmp byte[edi], 0
|
||||
je @f
|
||||
xor dl, dl
|
||||
@@:
|
||||
movzx eax, dl
|
||||
|
||||
pop edi esi edx ecx
|
||||
ret
|
||||
endp
|
||||
|
||||
;;================================================================================================;;
|
||||
proc file.aux.find_matching_file _ffb ;///////////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Find file with matching attributes (`FindFileBlock.Options.Attributes`) and mask ;;
|
||||
;? (`FindFileBlock.Options.Mask`) starting from Nth (`FindFileBlock.InfoBlock.Position`) file in ;;
|
||||
;? directory (`FindFileBlock.InfoBlock.FileName`) ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _ffb = pointer to FindFileBlock ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 0 (error) / pointer to `FileInfo` with matched file data ;;
|
||||
;;================================================================================================;;
|
||||
push ebx edx
|
||||
mov edx, [_ffb]
|
||||
.loop_find:
|
||||
lea ebx, [edx + FindFileBlock.InfoBlock]
|
||||
mcall 70
|
||||
or eax, eax
|
||||
jnz .loop_find_error
|
||||
mov eax, [edx + FindFileBlock.Info.Attributes]
|
||||
and eax, [edx + FindFileBlock.Options.Attributes]
|
||||
jz .loop_find_next
|
||||
lea eax, [edx + FindFileBlock.Info.FileName]
|
||||
stdcall file.aux.match_wildcard, eax, [edx + FindFileBlock.Options.Mask]
|
||||
or eax, eax
|
||||
jnz .loop_find_exit
|
||||
|
||||
.loop_find_next:
|
||||
inc [edx + FindFileBlock.InfoBlock.Position]
|
||||
jmp .loop_find
|
||||
|
||||
.loop_find_error:
|
||||
xor eax, eax
|
||||
pop edx ebx
|
||||
ret
|
||||
|
||||
.loop_find_exit:
|
||||
lea eax, [edx + FindFileBlock.Info]
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
||||
include 'libio_p.asm'
|
||||
|
||||
;;================================================================================================;;
|
||||
proc file.find_first _dir, _mask, _attr ;/////////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Find first file with matching attributes and mask in specified directory ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _dir = pointer to string (directory path to search in) ;;
|
||||
;> _mask = pointer to string (file mask, with use of wildcards) ;;
|
||||
;> _attr = file attributes mask (combination of FA_* constants) ;;
|
||||
;> _dir = directory path to search in <asciiz> ;;
|
||||
;> _mask = file mask, with use of wildcards <asciiz> ;;
|
||||
;> _attr = file attributes mask (combination of FA_* constants) <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 0 (error) / pointer to `FileInfo` with matched file data (acts as find descriptor) ;;
|
||||
;< eax = 0 (error) / matched file data pointer (acts as find descriptor) <FileInfo*> ;;
|
||||
;;================================================================================================;;
|
||||
push ebx edx
|
||||
|
||||
@@ -341,7 +82,7 @@ proc file.find_first _dir, _mask, _attr ;///////////////////////////////////////
|
||||
mov eax, [_dir]
|
||||
mov [ebx + FileInfoBlock.FileName], eax
|
||||
|
||||
stdcall file.aux.find_matching_file, edx
|
||||
stdcall libio._.find_matching_file, edx
|
||||
pop edx ebx
|
||||
ret
|
||||
|
||||
@@ -356,14 +97,14 @@ proc file.find_next _findd ;////////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Find next file matching criteria ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _findd = find descriptor (see `file.find_first`) ;;
|
||||
;> _findd = find descriptor (see `file.find_first`) <FileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 0 (error) / pointer to `FileInfo` with matched file data (acts as find descriptor) ;;
|
||||
;< eax = 0 (error) / matched file data pointer (acts as find descriptor) <FileInfo*> ;;
|
||||
;;================================================================================================;;
|
||||
mov eax, [_findd]
|
||||
add eax, -sizeof.FileInfoHeader
|
||||
inc [eax + FindFileBlock.InfoBlock.Position]
|
||||
stdcall file.aux.find_matching_file, eax
|
||||
stdcall libio._.find_matching_file, eax
|
||||
ret
|
||||
endp
|
||||
|
||||
@@ -372,7 +113,7 @@ proc file.find_close _findd ;///////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Close find descriptor and free memory ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _findd = find descriptor (see `file.find_first`) ;;
|
||||
;> _findd = find descriptor (see `file.find_first`) <FileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = result of memory freeing routine ;;
|
||||
;;================================================================================================;;
|
||||
@@ -387,9 +128,9 @@ proc file.size _name ;//////////////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Get file size ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _name = path to file (full or relative) ;;
|
||||
;> _name = path to file (full or relative) <asciiz> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / file size (in bytes, up to 2G) ;;
|
||||
;< eax = -1 (error) / file size (in bytes, up to 2G) <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -420,10 +161,16 @@ proc file.open _name, _mode ;///////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Open file ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _name = path to file (full or relative) ;;
|
||||
;> _mode = mode to open file in (combination of O_* constants) ;;
|
||||
;> _name = path to file (full or relative) <asciiz> ;;
|
||||
;> _mode = mode to open file in (combination of O_* constants) <dword> ;;
|
||||
;> O_BINARY - don't change read/written data in any way (default) ;;
|
||||
;> O_READ - open file for reading ;;
|
||||
;> O_WRITE - open file for writing ;;
|
||||
;> O_CREATE - create file if it doesn't exist, open otherwise ;;
|
||||
;> O_SHARE - allow simultaneous access by using different file descriptors (not implemented) ;;
|
||||
;> O_TEXT - replace newline chars with LF (overrides O_BINARY, not implemented) ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 0 (error) / file descriptor ;;
|
||||
;< eax = 0 (error) / file descriptor <InternalFileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -495,11 +242,11 @@ proc file.read _filed, _buf, _buflen ;//////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Read data from file ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _buf = pointer to buffer to put read data to ;;
|
||||
;> _buflen = buffer size (number of bytes to be read from file) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;> _buf = buffer to put read data to <byte*> ;;
|
||||
;> _buflen = buffer size (number of bytes to be read from file) <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / number of bytes read ;;
|
||||
;< eax = -1 (error) / number of bytes read <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -545,11 +292,11 @@ proc file.write _filed, _buf, _buflen ;/////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Write data to file ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _buf = pointer to buffer to get write data from ;;
|
||||
;> _buflen = buffer size (number of bytes to be written to file) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;> _buf = buffer to get write data from <byte*> ;;
|
||||
;> _buflen = buffer size (number of bytes to be written to file) <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / number of bytes written ;;
|
||||
;< eax = -1 (error) / number of bytes written <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -599,14 +346,14 @@ proc file.seek _filed, _where, _origin ;////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Set file pointer position ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _where = position in file (in bytes) counted from specified origin ;;
|
||||
;> _origin = origin from where to set the position (one of SEEK_* constants) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;> _where = position in file (in bytes) counted from specified origin <dword> ;;
|
||||
;> _origin = origin from where to set the position (one of SEEK_* constants) <dword> ;;
|
||||
;> SEEK_SET - from beginning of file ;;
|
||||
;> SEEK_CUR - from current pointer position ;;
|
||||
;> SEEK_END - from end of file ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / 0 ;;
|
||||
;< eax = -1 (error) / 0 <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -661,9 +408,9 @@ proc file.eof? _filed ;/////////////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Determine if file pointer is at the end of file ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = false / true ;;
|
||||
;< eax = false / true <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -693,9 +440,9 @@ proc file.truncate _filed ;/////////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Truncate file size to current file pointer position ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / 0 ;;
|
||||
;< eax = -1 (error) / 0 <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -742,9 +489,9 @@ proc file.tell _filed ;/////////////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Get current file pointer position ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / file pointer position ;;
|
||||
;< eax = -1 (error) / file pointer position <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -758,9 +505,9 @@ proc file.close _filed ;////////////////////////////////////////////////////////
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Close file ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _filed = file descriptor (see `file.open`) ;;
|
||||
;> _filed = file descriptor (see `file.open`) <InternalFileInfo*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = -1 (error) / file pointer position ;;
|
||||
;< eax = -1 (error) / file pointer position <dword> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;# call `file.err` to obtain extended error information ;;
|
||||
;;================================================================================================;;
|
||||
@@ -786,7 +533,7 @@ align 16
|
||||
@EXPORT:
|
||||
|
||||
export \
|
||||
lib_init , 'lib_init' , \
|
||||
libio._.init , 'lib_init' , \
|
||||
0x00030003 , 'version' , \
|
||||
file.find_first , 'file.find_first' , \
|
||||
file.find_next , 'file.find_next' , \
|
||||
|
282
programs/develop/libraries/libs-dev/libio/libio_p.asm
Normal file
282
programs/develop/libraries/libs-dev/libio/libio_p.asm
Normal file
@@ -0,0 +1,282 @@
|
||||
;;================================================================================================;;
|
||||
;;//// libio_p.asm //// (c) mike.dld, 2006-2008 //////////////////////////////////////////////////;;
|
||||
;;================================================================================================;;
|
||||
;; ;;
|
||||
;; This file is part of Common development libraries (Libs-Dev). ;;
|
||||
;; ;;
|
||||
;; Libs-Dev is free software: you can redistribute it and/or modify it under the terms of the GNU ;;
|
||||
;; General Public License as published by the Free Software Foundation, either version 3 of the ;;
|
||||
;; License, or (at your option) any later version. ;;
|
||||
;; ;;
|
||||
;; Libs-Dev is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without ;;
|
||||
;; even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU ;;
|
||||
;; General Public License for more details. ;;
|
||||
;; ;;
|
||||
;; You should have received a copy of the GNU General Public License along with Libs-Dev. If not, ;;
|
||||
;; see <http://www.gnu.org/licenses/>. ;;
|
||||
;; ;;
|
||||
;;================================================================================================;;
|
||||
|
||||
mem.alloc dd ?
|
||||
mem.free dd ?
|
||||
mem.realloc dd ?
|
||||
dll.load dd ?
|
||||
|
||||
;;================================================================================================;;
|
||||
proc libio._.init ;///////////////////////////////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Library entry point (called after library load) ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> eax = memory allocation routine <mem.alloc*> ;;
|
||||
;> ebx = memory freeing routine <mem.free*> ;;
|
||||
;> ecx = memory reallocation routine <mem.realloc*> ;;
|
||||
;> edx = library loading routine <dll.load*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 1 (fail) / 0 (ok) (library initialization result) ;;
|
||||
;;================================================================================================;;
|
||||
mov [mem.alloc], eax
|
||||
mov [mem.free], ebx
|
||||
mov [mem.realloc], ecx
|
||||
mov [dll.load], edx
|
||||
xor eax, eax
|
||||
ret
|
||||
endp
|
||||
|
||||
;;================================================================================================;;
|
||||
proc libio._.match_wildcard _str, _wcard ;////////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Match string against wildcard ;;
|
||||
;? Based on http://user.cs.tu-berlin.de/~schintke/references/wildcards/ ;;
|
||||
;? 1997-2001 (c) Florian Schintke ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _str = string (filename in most cases) <asciiz> ;;
|
||||
;> _wcard = mask expressed using wilcards (?, *, [..]) <asciiz> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = false / true (match result) ;;
|
||||
;;================================================================================================;;
|
||||
push ecx edx esi edi
|
||||
mov dl, 1 ; fit
|
||||
mov esi, [_wcard]
|
||||
mov edi, [_str]
|
||||
.loop_wildcard:
|
||||
mov al, [esi]
|
||||
or al, al
|
||||
jz .loop_wildcard_exit
|
||||
or dl, dl
|
||||
jz .loop_wildcard_exit
|
||||
cmp byte[edi], 0
|
||||
je .loop_wildcard_exit
|
||||
|
||||
cmp al, '['
|
||||
je .process_set
|
||||
cmp al, '?'
|
||||
je .process_question
|
||||
cmp al, '*'
|
||||
je .process_asterisk
|
||||
|
||||
xor dl, dl
|
||||
cmp [edi], al
|
||||
jne @f
|
||||
inc dl
|
||||
@@: inc edi
|
||||
|
||||
.loop_wildcard_next:
|
||||
inc esi
|
||||
jmp .loop_wildcard
|
||||
|
||||
|
||||
.process_set:
|
||||
inc esi
|
||||
xor dl, dl ; fit
|
||||
xor dh, dh ; negation
|
||||
mov cl, 1 ; at_beginning
|
||||
cmp byte[esi], '^'
|
||||
jne .loop_set_wildcard
|
||||
inc dh
|
||||
inc esi
|
||||
|
||||
.loop_set_wildcard:
|
||||
mov al, [esi]
|
||||
cmp al, ']'
|
||||
jne @f
|
||||
or cl, cl
|
||||
jz .loop_set_wildcard_exit
|
||||
@@: or dl, dl
|
||||
jnz .loop_set_wildcard_fit
|
||||
cmp al, '-'
|
||||
jne .loop_set_wildcard_not_range
|
||||
mov ch, [esi - 1]
|
||||
cmp [esi + 1], ch
|
||||
jbe .loop_set_wildcard_not_range
|
||||
cmp byte[esi + 1], ']'
|
||||
je .loop_set_wildcard_not_range
|
||||
or cl, cl
|
||||
jnz .loop_set_wildcard_not_range
|
||||
cmp [edi], ch
|
||||
jb .loop_set_wildcard_fit
|
||||
mov ch, [esi + 1]
|
||||
cmp [edi], ch
|
||||
ja .loop_set_wildcard_fit
|
||||
mov dl, 1
|
||||
inc esi
|
||||
jmp .loop_set_wildcard_fit
|
||||
|
||||
.loop_set_wildcard_not_range:
|
||||
cmp [edi], al
|
||||
jne .loop_set_wildcard_fit
|
||||
mov dl, 1
|
||||
|
||||
.loop_set_wildcard_fit:
|
||||
inc esi
|
||||
xor cl, cl
|
||||
jmp .loop_set_wildcard
|
||||
|
||||
.loop_set_wildcard_exit:
|
||||
or dh, dh
|
||||
jz @f
|
||||
xor dl, 1
|
||||
@@: or dl, dl
|
||||
jz @f
|
||||
inc edi
|
||||
@@:
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.process_question:
|
||||
inc edi
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.process_asterisk:
|
||||
mov dl, 1
|
||||
inc esi
|
||||
|
||||
.loop_asterisk_del_shit:
|
||||
lodsb
|
||||
cmp byte[edi], 0
|
||||
je .loop_asterisk_del_shit_exit
|
||||
cmp al, '?'
|
||||
jne @f
|
||||
inc edi
|
||||
jmp .loop_asterisk_del_shit
|
||||
@@: cmp al, '*'
|
||||
je .loop_asterisk_del_shit
|
||||
|
||||
.loop_asterisk_del_shit_exit:
|
||||
|
||||
@@: cmp al, '*'
|
||||
jne @f
|
||||
lodsb
|
||||
jmp @b
|
||||
@@:
|
||||
dec esi
|
||||
cmp byte[edi], 0
|
||||
jne .process_asterisk_skip_exit
|
||||
xor dl, dl
|
||||
or al, al
|
||||
jnz @f
|
||||
inc dl
|
||||
@@: dec esi
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.process_asterisk_skip_exit:
|
||||
stdcall libio._.match_wildcard, edi, esi
|
||||
or eax, eax
|
||||
jnz .process_asterisk_not_match
|
||||
|
||||
.loop_asterisk_match:
|
||||
inc edi
|
||||
|
||||
.loop_asterisk_char_match:
|
||||
mov al, [esi]
|
||||
cmp [edi], al
|
||||
je .loop_asterisk_char_match_exit
|
||||
cmp byte[esi], '['
|
||||
je .loop_asterisk_char_match_exit
|
||||
cmp byte[edi], 0
|
||||
je .loop_asterisk_char_match_exit
|
||||
inc edi
|
||||
jmp .loop_asterisk_char_match
|
||||
|
||||
.loop_asterisk_char_match_exit:
|
||||
cmp byte[edi], 0
|
||||
je @f
|
||||
stdcall libio._.match_wildcard, edi, esi
|
||||
or eax, eax
|
||||
jnz .loop_asterisk_match_exit
|
||||
jmp .loop_asterisk_match
|
||||
@@:
|
||||
xor dl, dl
|
||||
|
||||
.loop_asterisk_match_exit:
|
||||
|
||||
.process_asterisk_not_match:
|
||||
cmp byte[esi], 0
|
||||
jne @f
|
||||
cmp byte[edi], 0
|
||||
jne @f
|
||||
mov dl, 1
|
||||
@@:
|
||||
dec esi
|
||||
jmp .loop_wildcard_next
|
||||
|
||||
.loop_wildcard_exit:
|
||||
or dl, dl
|
||||
jz .exit
|
||||
@@: cmp byte[esi], '*'
|
||||
jne .exit
|
||||
inc esi
|
||||
jmp @b
|
||||
|
||||
.exit:
|
||||
cmp byte[esi], 0
|
||||
je @f
|
||||
xor dl, dl
|
||||
@@: cmp byte[edi], 0
|
||||
je @f
|
||||
xor dl, dl
|
||||
@@:
|
||||
movzx eax, dl
|
||||
|
||||
pop edi esi edx ecx
|
||||
ret
|
||||
endp
|
||||
|
||||
;;================================================================================================;;
|
||||
proc libio._.find_matching_file _ffb ;////////////////////////////////////////////////////////////;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;? Find file with matching attributes (`FindFileBlock.Options.Attributes`) and mask ;;
|
||||
;? (`FindFileBlock.Options.Mask`) starting from Nth (`FindFileBlock.InfoBlock.Position`) file in ;;
|
||||
;? directory (`FindFileBlock.InfoBlock.FileName`) ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;> _ffb = find file block <FindFileBlock*> ;;
|
||||
;;------------------------------------------------------------------------------------------------;;
|
||||
;< eax = 0 (error) / matched file info pointer <FileInfo*> ;;
|
||||
;;================================================================================================;;
|
||||
push ebx edx
|
||||
mov edx, [_ffb]
|
||||
.loop_find:
|
||||
lea ebx, [edx + FindFileBlock.InfoBlock]
|
||||
mcall 70
|
||||
or eax, eax
|
||||
jnz .loop_find_error
|
||||
mov eax, [edx + FindFileBlock.Info.Attributes]
|
||||
and eax, [edx + FindFileBlock.Options.Attributes]
|
||||
jz .loop_find_next
|
||||
lea eax, [edx + FindFileBlock.Info.FileName]
|
||||
stdcall libio._.match_wildcard, eax, [edx + FindFileBlock.Options.Mask]
|
||||
or eax, eax
|
||||
jnz .loop_find_exit
|
||||
|
||||
.loop_find_next:
|
||||
inc [edx + FindFileBlock.InfoBlock.Position]
|
||||
jmp .loop_find
|
||||
|
||||
.loop_find_error:
|
||||
xor eax, eax
|
||||
pop edx ebx
|
||||
ret
|
||||
|
||||
.loop_find_exit:
|
||||
lea eax, [edx + FindFileBlock.Info]
|
||||
pop edx ebx
|
||||
ret
|
||||
endp
|
Reference in New Issue
Block a user