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fix popen definition.

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U-WIN-U2045GN0RNQ\Vítor Santos Costa 2011-03-08 00:07:08 +00:00
parent a3f79cede9
commit cfc806500d
1 changed files with 1 additions and 20 deletions
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21
library/system.yap Normal file → Executable file
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@ -323,28 +323,9 @@ close_temp_streams([]).
close_temp_streams([S|Ss]) :- close(S),
close_temp_streams(Ss).
popen(Command, Mode, Stream) :-
G = popen(Command, Mode, Stream),
check_command_with_default_shell(Command, TrueCommand, G),
check_mode(Mode, M, G),
do_popen(TrueCommand, M, Stream, Result),
handle_system_error(Result, off, G).
open(pipe(Command), Mode, Stream).
do_popen(Command, M, Stream, Result) :- win, !,
win_popen(M, Command, Stream, Result).
do_popen(Command, M, Stream, Result) :-
popen(Command, M, Stream, Result).
win_popen(0, Command, ForReading, Result) :-
open_pipe_streams(ForReading, ForWriting),
exec_command(Command, 0, ForWriting, 2, _, Result),
close(ForWriting).
win_popen(1, Command, ForWriting, Result) :-
open_pipe_streams(ForReading, ForWriting),
exec_command(Command, ForReading, 1, 2, _, Result),
close(ForReading).
check_command_with_default_shell(Com, ComF, G) :-
check_command(Com, G),
os_command_postprocess(Com, ComF).