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Do not add the file type to the name when using append mode. It causes more
problems than it helps. git-svn-id: svn://svn.cc65.org/cc65/trunk@5784 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -61,9 +61,9 @@ next: dex
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dey ; Parm count < 4 shouldn't be needed to be...
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dey ; ...checked (it generates a c compiler warning)
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dey
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dey
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beq parmok ; Branch if parameter count ok
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jsr addysp ; Fix stack, throw away unused parameters
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dey
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beq parmok ; Branch if parameter count ok
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jsr addysp ; Fix stack, throw away unused parameters
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; Parameters ok. Pop the flags and save them into tmp3
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@ -74,7 +74,7 @@ parmok: jsr popax ; Get flags
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jsr popax ; Get name
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jsr fnparse ; Parse it
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cmp #0
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tax
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bne oserror ; Bail out if problem with name
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; Get a free file handle and remember it in tmp2
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@ -92,7 +92,7 @@ parmok: jsr popax ; Get flags
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cmp #O_RDONLY ; Open for reading?
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beq doread ; Yes: Branch
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cmp #(O_WRONLY | O_CREAT) ; Open for writing?
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beq flagsok
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beq dowrite
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; Invalid open mode
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@ -119,9 +119,16 @@ closeandexit:
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oserror:jmp __mappederrno
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; Read bit is set. Add an 'r' to the name
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doread: lda #'r'
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jsr fnaddmode ; Add the mode to the name
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lda #LFN_READ
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bne common ; Branch always
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; If O_TRUNC is set, scratch the file, but ignore any errors
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flagsok:
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dowrite:
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lda tmp3
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and #O_TRUNC
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beq notrunc
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@ -131,23 +138,21 @@ flagsok:
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notrunc:
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lda tmp3 ; Get the mode again
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ldx #'a'
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and #O_APPEND ; Append mode?
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bne append ; Branch if yes
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ldx #'w'
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append: txa
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; Setup the name for create mode
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lda #'w'
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jsr fncomplete ; Add type and mode to the name
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jmp appendcreate
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; Setup the real open flags
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; Append bit is set. Add an 'a' to the name
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append: lda #'a'
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jsr fnaddmode ; Add open mode to file name
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appendcreate:
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lda #LFN_WRITE
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bne common
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; Read bit is set. Add an 'r' to the name
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doread: lda #'r'
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jsr fnaddmode ; Add the mode to the name
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lda #LFN_READ
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; Common read/write code. Flags in A, handle in tmp2
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@ -194,3 +199,4 @@ nofile: ; ... else use SA=0 (read)
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.endproc
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