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*** tcl.h.orig Fri Jun 12 15:52:49 1998
--- tcl.h Wed Jun 17 21:28:59 1998
***************
*** 1432,1437 ****
--- 1432,1444 ----
char *chanName, int *modePtr));
EXTERN int Tcl_GetChannelBufferSize _ANSI_ARGS_((
Tcl_Channel chan));
+
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ EXTERN int Tcl_GetChannelByteorder _ANSI_ARGS_((
+ Tcl_Channel chan));
+
EXTERN int Tcl_GetChannelHandle _ANSI_ARGS_((Tcl_Channel chan,
int direction, ClientData *handlePtr));
EXTERN ClientData Tcl_GetChannelInstanceData _ANSI_ARGS_((
*** tclIO.c.orig Fri Jun 12 15:52:49 1998
--- tclIO.c Wed Jun 17 21:28:59 1998
***************
*** 154,159 ****
--- 154,165 ----
* data bytes. May be TCL_ENCODING_START
* before converting first byte and
* TCL_ENCODING_END when EOF is seen. */
+
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ int byteOrder; /* byteorder associated to this channel */
+
Tcl_EolTranslation inputTranslation;
/* What translation to apply for end of line
* sequences on input? */
***************
*** 465,470 ****
--- 471,484 ----
static int WriteChars _ANSI_ARGS_((Channel *chanPtr,
CONST char *src, int srcLen));
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ static int Tcl_GetHostByteorder _ANSI_ARGS_ (());
+
+ #define TCL_BIGENDIAN (0) /* Multibyte words are stored with MSB first */
+ #define TCL_SMALLENDIAN (1) /* Multibyte words are stored with MSB last */
+
/*
*---------------------------------------------------------------------------
***************
*** 1273,1278 ****
--- 1287,1297 ----
* indicator (e.g. ^Z) and does not append an EOF indicator to files.
*/
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ chanPtr->byteOrder = Tcl_GetHostByteorder ();
+
chanPtr->inputTranslation = TCL_TRANSLATE_AUTO;
chanPtr->outputTranslation = TCL_PLATFORM_TRANSLATION;
chanPtr->inEofChar = 0;
***************
*** 4890,4896 ****
{
if (interp) {
CONST char *genericopt =
! "blocking buffering buffersize eofchar translation";
char **argv;
int argc, i;
Tcl_DString ds;
--- 4909,4915 ----
{
if (interp) {
CONST char *genericopt =
! "blocking buffering buffersize byteorder eofchar translation";
char **argv;
int argc, i;
Tcl_DString ds;
***************
*** 4920,4925 ****
--- 4939,5002 ----
return TCL_ERROR;
}
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ /*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_GetChannelByteorder --
+ *
+ * Retrieves the byteorder set for this channel.
+ *
+ * Results:
+ * The size.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ int
+ Tcl_GetChannelByteorder(chan)
+ Tcl_Channel chan; /* The channel for which to find the
+ * buffer size. */
+ {
+ Channel *chanPtr;
+
+ chanPtr = (Channel *) chan;
+ return chanPtr->byteOrder;
+ }
+
+ /*
+ *----------------------------------------------------------------------
+ *
+ * Tcl_GetHostByteorder --
+ *
+ * Retrieves the byteorder of the machine we are running on.
+ *
+ * Results:
+ * The size.
+ *
+ * Side effects:
+ * None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+ static int
+ Tcl_GetHostByteorder()
+ {
+ union {
+ char c[sizeof(short)];
+ short s;
+ } order;
+
+ order.s = 1;
+ return (order.c[0] == 1) ? TCL_SMALLENDIAN : TCL_BIGENDIAN;
+ }
+
/*
*----------------------------------------------------------------------
*
***************
*** 5040,5045 ****
--- 5117,5139 ----
return TCL_OK;
}
}
+
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ if ((len == 0) || ((len > 2) && (optionName[1] == 'b') &&
+ (strncmp(optionName, "-byteorder", len) == 0))) {
+ if (len == 0) {
+ Tcl_DStringAppendElement(dsPtr, "-byteorder");
+ }
+ Tcl_DStringAppendElement(dsPtr,
+ (chanPtr->byteOrder == TCL_BIGENDIAN) ?
+ "bigendian" : "smallendian");
+ if (len > 0) {
+ return TCL_OK;
+ }
+ }
+
if ((len == 0) ||
((len > 2) && (optionName[1] == 'e') &&
(strncmp(optionName, "-eofchar", len) == 0))) {
***************
*** 5235,5240 ****
--- 5329,5367 ----
if ((chanPtr->bufSize < 10) || (chanPtr->bufSize > (1024 * 1024))) {
chanPtr->bufSize = CHANNELBUFFER_DEFAULT_SIZE;
}
+
+ /* Andreas Kupries <andreas_kupries@users.sourceforge.net>, 05/31/1997.
+ * Support of Tcl-Trf (binio).
+ */
+ } else if ((len > 2) && (optionName[1] == 'b') &&
+ (strncmp(optionName, "-byteorder", len) == 0)) {
+ int nv_len = strlen (newValue);
+
+ if ((nv_len > 0) &&
+ (strncmp (newValue, "smallendian", nv_len) == 0)) {
+ chanPtr->byteOrder = TCL_SMALLENDIAN;
+ return TCL_OK;
+ } else if ((nv_len > 0) &&
+ (strncmp (newValue, "littleendian", nv_len) == 0)) {
+ chanPtr->byteOrder = TCL_SMALLENDIAN;
+ return TCL_OK;
+ } else if ((nv_len > 0) &&
+ (strncmp (newValue, "network", nv_len) == 0)) {
+ chanPtr->byteOrder = TCL_BIGENDIAN;
+ return TCL_OK;
+ } else if ((nv_len > 0) &&
+ (strncmp (newValue, "bigendian", nv_len) == 0)) {
+ chanPtr->byteOrder = TCL_BIGENDIAN;
+ return TCL_OK;
+ }
+
+ if (interp != (Tcl_Interp *) NULL) {
+ Tcl_AppendResult(interp,
+ "bad value for -byteorder: ",
+ "must be one of smallendian, littleendian, bigendian or network",
+ (char *) NULL);
+ }
+ return TCL_ERROR;
} else if ((len > 2) && (optionName[1] == 'e') &&
(strncmp(optionName, "-encoding", len) == 0)) {
Tcl_Encoding encoding;
|
