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Print out an error message if ls is given a name that doesn't exist.

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Warren Toomey
2016-03-20 21:03:53 +10:00
parent acf853d1a3
commit 6b9151d3e3
1 changed files with 13 additions and 1 deletions
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src/other/wktls.s
+13 -1
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@@ -43,7 +43,7 @@ setlong:
1: 1:
sys open; 9:curdir; 0 " Open up the directory, curdir if no arguments sys open; 9:curdir; 0 " Open up the directory, curdir if no arguments
spa spa
sys exit " Unable, so die now jmp error
dac fd " Save the fd dac fd " Save the fd
fileloop: fileloop:
@@ -211,6 +211,18 @@ octal: 0
isz octal " Move return address 1 past the argument isz octal " Move return address 1 past the argument
jmp octal i " and return from subroutine jmp octal i " and return from subroutine
error:
lac 9b
dac 1f
lac d1
sys write; 1:0; 4 " Write out the bad dirname
lac d1
sys write; mes; 1 " followed by "?\n"
sys exit
mes:
077012 " String literal: " ?\n"
longopt: 0 " User set the -l option when this is 1 longopt: 0 " User set the -l option when this is 1
argptr: 0 " Pointer to the next argument argptr: 0 " Pointer to the next argument
fd: 0 " File descriptor for the directory fd: 0 " File descriptor for the directory