diff options
| -rw-r--r-- | generic/tclIO.c | 6 | ||||
| -rw-r--r-- | tests/io.test | 68 |
2 files changed, 74 insertions, 0 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index d1f22c1..e786946 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -4042,6 +4042,7 @@ Tcl_GetsObj( eof = NULL; inEofChar = statePtr->inEofChar; + ResetFlag(statePtr, CHANNEL_BLOCKED); while (1) { if (dst >= dstEnd) { if (FilterInputBytes(chanPtr, &gs) != 0) { @@ -4211,6 +4212,10 @@ Tcl_GetsObj( } goto gotEOL; } + if (GotFlag(statePtr, CHANNEL_BLOCKED|CHANNEL_NONBLOCKING) + == (CHANNEL_BLOCKED|CHANNEL_NONBLOCKING)) { + goto restore; + } dst = dstEnd; } @@ -4386,6 +4391,7 @@ TclGetsObjBinary( /* Only handle TCL_TRANSLATE_LF and TCL_TRANSLATE_CR */ eolChar = (statePtr->inputTranslation == TCL_TRANSLATE_LF) ? '\n' : '\r'; + ResetFlag(statePtr, CHANNEL_BLOCKED); while (1) { /* * Subtract the number of bytes that were removed from channel diff --git a/tests/io.test b/tests/io.test index 006b403..0d9468d 100644 --- a/tests/io.test +++ b/tests/io.test @@ -4299,6 +4299,74 @@ test io-33.10 {Tcl_Gets, exercising double buffering} { close $f set y } 300 +test io-33.11 {TclGetsObjBinary, [10dc6daa37]} -setup { + proc driver {cmd args} { + variable buffer + variable index + set chan [lindex $args 0] + switch -- $cmd { + initialize { + set index($chan) 0 + set buffer($chan) ....... + return {initialize finalize watch read} + } + finalize { + unset index($chan) buffer($chan) + return + } + watch {} + read { + set n [lindex $args 1] + if {$n > 3} {set n 3} + set new [expr {$index($chan) + $n}] + set result [string range $buffer($chan) $index($chan) $new-1] + set index($chan) $new + return $result + } + } + } +} -body { + set c [chan create read [namespace which driver]] + chan configure $c -translation binary -blocking 0 + list [gets $c] [gets $c] [gets $c] [gets $c] +} -cleanup { + close $c + rename driver {} +} -result {{} {} {} .......} +test io-33.12 {TclGetsObjBinary, [10dc6daa37]} -setup { + proc driver {cmd args} { + variable buffer + variable index + set chan [lindex $args 0] + switch -- $cmd { + initialize { + set index($chan) 0 + set buffer($chan) ....... + return {initialize finalize watch read} + } + finalize { + unset index($chan) buffer($chan) + return + } + watch {} + read { + set n [lindex $args 1] + if {$n > 3} {set n 3} + set new [expr {$index($chan) + $n}] + set result [string range $buffer($chan) $index($chan) $new-1] + set index($chan) $new + return $result + } + } + } +} -body { + set c [chan create read [namespace which driver]] + chan configure $c -blocking 0 + list [gets $c] [gets $c] [gets $c] [gets $c] +} -cleanup { + close $c + rename driver {} +} -result {{} {} {} .......} # Test Tcl_Seek and Tcl_Tell. |