diff options
| -rw-r--r-- | generic/tclIO.c | 46 | ||||
| -rw-r--r-- | tests/io.test | 79 | ||||
| -rw-r--r-- | win/tclWinFile.c | 11 |
3 files changed, 121 insertions, 15 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index f76fa63..fd1ce4f 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -5922,7 +5922,6 @@ ReadChars( * record \r or \n yet. */ - assert(dstRead + 1 == dstDecoded); assert(dst[dstRead] == '\r'); assert(statePtr->inputTranslation == TCL_TRANSLATE_CRLF); @@ -5943,7 +5942,6 @@ ReadChars( assert(dstWrote == 0); assert(dstRead == 0); - assert(dstDecoded == 1); /* * We decoded only the bare cr, and we cannot read a @@ -5998,6 +5996,13 @@ ReadChars( return 1; } + /* + * Revise the dstRead value so that the numChars calc + * below correctly computes zero characters read. + */ + + dstRead = numChars; + /* FALL THROUGH - get more data (dstWrote == 0) */ } @@ -6024,16 +6029,38 @@ ReadChars( } if (dstWrote == 0) { + ChannelBuffer *nextPtr; - /* - * We were not able to read any chars. Maybe there were - * not enough src bytes to decode into a char. Maybe - * a lone \r could not be translated (crlf mode). Need - * to combine any unused src bytes we have in the first - * buffer with subsequent bytes to try again. + /* We were not able to read any chars. */ + + assert (numChars == 0); + + /* + * There is one situation where this is the correct final + * result. If the src buffer contains only a single \n + * byte, and we are in TCL_TRANSLATE_AUTO mode, and + * when the translation pass was made the INPUT_SAW_CR + * flag was set on the channel. In that case, the + * correct behavior is to consume that \n and produce the + * empty string. + */ + + if (dst[0] == '\n') { + assert(statePtr->inputTranslation == TCL_TRANSLATE_AUTO); + assert(dstRead == 1); + + goto consume; + } + + /* Otherwise, reading zero characters indicates there's + * something incomplete at the end of the src buffer. + * Maybe there were not enough src bytes to decode into + * a char. Maybe a lone \r could not be translated (crlf + * mode). Need to combine any unused src bytes we have + * in the first buffer with subsequent bytes to try again. */ - ChannelBuffer *nextPtr = bufPtr->nextPtr; + nextPtr = bufPtr->nextPtr; if (nextPtr == NULL) { if (srcLen > 0) { @@ -6070,6 +6097,7 @@ ReadChars( statePtr->inputEncodingFlags &= ~TCL_ENCODING_START; + consume: bufPtr->nextRemoved += srcRead; if (dstWrote > srcRead + 1) { *factorPtr = dstWrote * UTF_EXPANSION_FACTOR / srcRead; diff --git a/tests/io.test b/tests/io.test index 8dd7184..adcc3da 100644 --- a/tests/io.test +++ b/tests/io.test @@ -1563,6 +1563,45 @@ test io-13.8 {TranslateInputEOL: auto mode: \r\n} { close $f set x } "abcd\ndef" +test io-13.8.1 {TranslateInputEOL: auto mode: \r\n} { + set f [open $path(test1) w] + fconfigure $f -translation lf + puts -nonewline $f "abcd\r\ndef" + close $f + set f [open $path(test1)] + fconfigure $f -translation auto + set x {} + lappend x [read $f 5] + lappend x [read $f] + close $f + set x +} [list "abcd\n" "def"] +test io-13.8.2 {TranslateInputEOL: auto mode: \r\n} { + set f [open $path(test1) w] + fconfigure $f -translation lf + puts -nonewline $f "abcd\r\ndef" + close $f + set f [open $path(test1)] + fconfigure $f -translation auto -buffersize 6 + set x {} + lappend x [read $f 5] + lappend x [read $f] + close $f + set x +} [list "abcd\n" "def"] +test io-13.8.3 {TranslateInputEOL: auto mode: \r\n} { + set f [open $path(test1) w] + fconfigure $f -translation lf + puts -nonewline $f "abcd\r\n\r\ndef" + close $f + set f [open $path(test1)] + fconfigure $f -translation auto -buffersize 7 + set x {} + lappend x [read $f 5] + lappend x [read $f] + close $f + set x +} [list "abcd\n" "\ndef"] test io-13.9 {TranslateInputEOL: auto mode: \r followed by not \n} { set f [open $path(test1) w] fconfigure $f -translation lf @@ -3984,6 +4023,46 @@ test io-32.11 {Tcl_Read from a pipe} {stdio openpipe} { } {{hello } {hello }} +test io-32.11.1 {Tcl_Read from a pipe} {stdio openpipe} { + file delete $path(pipe) + set f1 [open $path(pipe) w] + puts $f1 {chan configure stdout -translation crlf} + puts $f1 {puts [gets stdin]} + puts $f1 {puts [gets stdin]} + close $f1 + set f1 [open "|[list [interpreter] $path(pipe)]" r+] + puts $f1 hello + flush $f1 + set x "" + lappend x [read $f1 6] + puts $f1 hello + flush $f1 + lappend x [read $f1] + close $f1 + set x +} {{hello +} {hello +}} +test io-32.11.1 {Tcl_Read from a pipe} {stdio openpipe} { + file delete $path(pipe) + set f1 [open $path(pipe) w] + puts $f1 {chan configure stdout -translation crlf} + puts $f1 {puts [gets stdin]} + puts $f1 {puts [gets stdin]} + close $f1 + set f1 [open "|[list [interpreter] $path(pipe)]" r+] + puts $f1 hello + flush $f1 + set x "" + lappend x [read $f1 6] + puts $f1 hello + flush $f1 + lappend x [read $f1] + close $f1 + set x +} {{hello +} {hello +}} test io-32.12 {Tcl_Read, -nonewline} { file delete $path(test1) set f1 [open $path(test1) w] diff --git a/win/tclWinFile.c b/win/tclWinFile.c index 5761eeb..ad4a5c4 100644 --- a/win/tclWinFile.c +++ b/win/tclWinFile.c @@ -2962,18 +2962,17 @@ TclNativeCreateNativeRep( ** <http://msdn.microsoft.com/en-us/library/aa365247(VS.85).aspx#maxpath> **/ if (((str[0]>='A'&&str[0]<='Z') || (str[0]>='a'&&str[0]<='z')) - && str[1]==':' && (str[2]=='\\' || str[2]=='/')) { - if (wp==nativePathPtr && len>MAX_PATH) { + && str[1]==':') { + if (wp==nativePathPtr && len>MAX_PATH && (str[2]=='\\' || str[2]=='/')) { memmove(wp+4, wp, len*sizeof(WCHAR)); memcpy(wp, L"\\\\?\\", 4*sizeof(WCHAR)); wp += 4; } /* - ** If (remainder of) path starts with "<drive>:/" or "<drive>:\", - ** leave the ':' intact but translate the backslash to a slash. + ** If (remainder of) path starts with "<drive>:", + ** leave the ':' intact. */ - wp[2] = '\\'; - wp += 3; + wp += 2; } else if (wp==nativePathPtr && len>MAX_PATH && (str[0]=='\\' || str[0]=='/') && (str[1]=='\\' || str[1]=='/') && str[2]!='?') { |