tar updates
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101
tar.tal
101
tar.tal
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@ -81,44 +81,35 @@
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;header/filename LDA ?&non-null
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#800f DEO BRK
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&non-null
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;header/type LDA ( type^ )
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DUP #00 EQU ?list-file-v ( type^ )
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DUP LIT "0 EQU ?list-file-v ( type^ )
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DUP LIT "5 EQU ?list-dir-v ( type^ )
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DUP LIT "7 EQU ?list-file-v ( type^ )
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!list-unsupported-v
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( !fail-unsupported ) ( )
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;header/type LDA ( type^ )
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DUP #00 EQU ?list-file ( type^ )
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DUP LIT "0 EQU ?list-file ( type^ )
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DUP LIT "5 EQU ?list-dir ( type^ )
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DUP LIT "7 EQU ?list-file ( type^ )
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DUP LIT "x EQU ?list-posix-meta ( type^ )
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!list-unsupported
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( non-verbose file entry listing )
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@list-file ( 00^ -> )
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@list-posix-meta ( type^ -> )
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POP
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LIT "f #18 DEO #2018 DEO
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;header/filename #0064 lprint #0a18 DEO
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;header/size load-octal11 STH2 ( s0^ s1* [s2*] )
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ORA ORA ?&meta-too-big
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&meta-too-big
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POP2r ;meta-too-big print
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;header/size dump-longer #0a18 DEO
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!list-unsupported
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( verbose file entry listing )
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@list-unsupported ( type^ -> )
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;unsupported print
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#18 DEO #2018 DEO
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;header/size load-octal11 dump-longer #2018 DEO
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;header/filename sanitize-path
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#0064 lprint #0a18 DEO
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;header/size load-octal11 round-up-to-512 skip !list-entries
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( non-verbose directory entry listing )
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@list-dir ( 00^ -> )
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POP
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LIT "d #18 DEO #2018 DEO
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;header/filename #0064 lprint #0a18 DEO
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!list-entries
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( verbose file entry listing )
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@list-unsupported-v ( type^ -> )
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( POP )
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( LIT "f ) #18 DEO #2018 DEO
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;header/size load-octal11 dump-longer #2018 DEO
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;header/filename #0064 lprint #0a18 DEO
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;header/size load-octal11 round-up-to-512
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( dump-header )
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;header/size .File2/name DEO2
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;header/size load-octal11 STH2k skip
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STH2r remainder-512 skip-lo !list-entries
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( verbose file entry listing )
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@list-file-v ( type^ -> )
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@list-file ( type^ -> )
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POP
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LIT "f #18 DEO #2018 DEO
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;header/size load-octal11 dump-longer #2018 DEO
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@ -126,20 +117,13 @@
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;header/size load-octal11 round-up-to-512 skip !list-entries
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( verbose directory entry listing )
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@list-dir-v ( 00^ -> )
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@list-dir ( 00^ -> )
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POP
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LIT "d #18 DEO #2018 DEO
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;header/size load-octal11 dump-longer #2018 DEO
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;header/filename #0064 lprint #0a18 DEO
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!list-entries
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( handle unsupported directory entry listing )
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@fail-unsupported ( type^ -> )
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;unsupported print DUP emit/byte #2018 DEO
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LIT2 "[ 18 DEO #18 DEO LIT2 "] 18 DEO
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#0a18 DEO
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dump-header !panic
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( expand a .tar archive in the current working directory )
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@expand-entries ( -> )
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read-header ?{ JMP2r }
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@ -152,7 +136,6 @@
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DUP LIT "5 EQU ?expand-dir ( type^ )
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DUP LIT "7 EQU ?expand-file ( type^ )
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!expand-unsupported
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( !fail-unsupported ) ( )
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( remove leading / of an absolute path )
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@sanitize-path ( s* -> s1* )
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@ -179,14 +162,11 @@
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!expand-entries
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@expand-unsupported ( type^ -> )
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;skipped-unsupported print
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;unsupported print
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#18 DEO LIT2 ": 18 DEO #2018 DEO
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;header/filename sanitize-path
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DUP2 #0064 lprint
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#0a18 DEO
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.File2/name DEO2
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;header/size load-octal11 round-up-to-512 skip
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!expand-entries
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#0064 lprint #0a18 DEO
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;header/size load-octal11 round-up-to-512 skip !expand-entries
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( src and dst should be paths )
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@compress-entries ( src* dst* -> )
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@ -311,13 +291,13 @@
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POP2 POP2 STH2r JMP2r ( sum2* )
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( emit 1, 2, 4, or 5 bytes as a decimal number )
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@emit
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( @emit
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&1+long STH2 STH2 /byte STH2r STH2r
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&long SWP2 /short
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&short SWP /byte
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&byte DUP #04 SFT /char
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&char #0f AND DUP #09 GTH #27 MUL ADD #30 ADD #18 DEO
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JMP2r
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JMP2r )
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( round a given 5-byte size up to multiples of 512 )
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@round-up-to-512 ( carry^ hi* lo* -> chl^** )
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@ -346,16 +326,6 @@
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&loop GTH2k ?&ok POP2 POP2 #0a18 DEO JMP2r ( lim^ pos^ )
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&ok #2018 DEO LDAk dump-byte INC2 !&loop ( lim^ pos+1^ )
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@dump-mem0 ( start* size* -> )
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#0001 SUB2 OVR2 ADD2 SWP2
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&loop GTH2k ?{ NIP2 LDA #18 DEO #2018 DEO JMP2r }
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LDAk #30 GTH ?{ #2018 DEO INC2 !&loop }
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LDAk #18 DEO INC2 ( >> )
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&loop2 GTH2k ?{ NIP2 LDA #18 DEO #2018 DEO JMP2r }
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LDAk #18 DEO INC2 !&loop2
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@dump-body1 ( -> )
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@dump-header ( -> )
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LIT2 "- 18 DEOk DEOk DEOk DEOk DEO #0a18 DEO
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;header/filename #0064 dump-mem
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@ -385,10 +355,10 @@
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@missing-filename "error: 20 "missing 20 "filename 0a 00
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@too-many-arguments "error: 20 "too 20 "many 20 "arguments 0a 00
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@invalid-mode "error: 20 "invalid 20 "mode 0a 00
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@unsupported "unsupported 20 "format 20 00
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@read-error "error 20 "reading 20 "data 0a 00
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@write-error "error 20 "writing 20 "data 0a 00
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@skipped-unsupported "skipped 20 "unsupported 20 "type 20 00
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@unsupported "skipped 20 "unsupported 20 "type 20 00
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@meta-too-big "extended 20 "metadata 20 "field 20 "too 20 "big: 20 00
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( load argument parser )
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~arg.tal
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@ -459,8 +429,11 @@
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&pad $c ( 0x1f4: padding, 12 bytes )
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&end ( 0x200: end of header )
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( buffer for up to 4096 characters of long names/paths )
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|7000 @long-buf $1000
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( up to 8 bytes for long size )
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|77f8 @long-size $8
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( buffer for up to 2048 characters of long names/paths )
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|7800 @long-buf $800
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( buffer for reading up to 32k bytes of data at a time )
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|8000 @buffer $8000
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