diff options
Diffstat (limited to 'generic/tclIO.c')
| -rw-r--r-- | generic/tclIO.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index 1d917ba..08d73ec 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -10,7 +10,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclIO.c,v 1.142 2008/04/15 18:34:47 andreas_kupries Exp $ + * RCS: @(#) $Id: tclIO.c,v 1.143 2008/05/23 21:00:44 andreas_kupries Exp $ */ #include "tclInt.h" @@ -224,6 +224,8 @@ static Tcl_ObjType tclChannelType = { #define BUSY_STATE(st,fl) \ ((((st)->csPtrR) && ((fl) & TCL_READABLE)) || \ (((st)->csPtrW) && ((fl) & TCL_WRITABLE))) + +#define MAX_CHANNEL_BUFFER_SIZE (1024*1024) /* *--------------------------------------------------------------------------- @@ -6937,12 +6939,13 @@ Tcl_SetChannelBufferSize( ChannelState *statePtr; /* State of real channel structure. */ /* - * If the buffer size is smaller than 1 byte or larger than one MByte, do - * not accept the requested size and leave the current buffer size. + * Clip the buffer size to force it into the [1,1M] range */ - if (sz < 1 || sz > 1024*1024) { - return; + if (sz < 1) { + sz = 1; + } else if (sz > MAX_CHANNEL_BUFFER_SIZE) { + sz = MAX_CHANNEL_BUFFER_SIZE; } statePtr = ((Channel *) chan)->state; |