diff options
-rw-r--r-- | ChangeLog | 4 | ||||
-rw-r--r-- | unix/tkUnixSelect.c | 83 |
2 files changed, 42 insertions, 45 deletions
@@ -1,5 +1,9 @@ 2005-11-13 Donal K. Fellows <donal.k.fellows@manchester.ac.uk> + * unix/tkUnixSelect.c (SelCvtToX): Arrange for the parsing code to + use Tcl's list parsing code, another simplification that enables + testing of the [Bug 1353414] fix. + * unix/tkUnixSelect.c (SelCvtFromX): Generate string forms of the advanced selection types in a Tcl_DString. This makes fixing [Bug 1353414] trivial, and simplifies the code at the same time. diff --git a/unix/tkUnixSelect.c b/unix/tkUnixSelect.c index f5decdb..dac5cce 100644 --- a/unix/tkUnixSelect.c +++ b/unix/tkUnixSelect.c @@ -8,7 +8,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkUnixSelect.c,v 1.15 2005/11/13 22:32:58 dkf Exp $ + * RCS: @(#) $Id: tkUnixSelect.c,v 1.16 2005/11/13 23:16:11 dkf Exp $ */ #include "tkInt.h" @@ -453,11 +453,14 @@ TkSelPropProc(eventPtr) formatType, (Tk_Window) incrPtr->winPtr, &numItems); - XChangeProperty(eventPtr->xproperty.display, - eventPtr->xproperty.window, eventPtr->xproperty.atom, - formatType, 32, PropModeReplace, - (unsigned char *) propPtr, numItems); - ckfree(propPtr); + if (propPtr != NULL) { + XChangeProperty(eventPtr->xproperty.display, + eventPtr->xproperty.window, + eventPtr->xproperty.atom, formatType, 32, + PropModeReplace, (unsigned char *) propPtr, + numItems); + ckfree(propPtr); + } } Tk_DeleteErrorHandler(errorHandler); @@ -986,11 +989,13 @@ ConvertSelection( } else { propPtr = (char *) SelCvtToX((char *) buffer, type, (Tk_Window) winPtr, &numItems); - format = 32; - XChangeProperty(reply.display, reply.requestor, property, type, - format, PropModeReplace, (unsigned char *) propPtr, - numItems); - ckfree(propPtr); + if (propPtr != NULL) { + format = 32; + XChangeProperty(reply.display, reply.requestor, property, type, + format, PropModeReplace, (unsigned char *) propPtr, + numItems); + ckfree(propPtr); + } } } @@ -1371,7 +1376,8 @@ IncrTimeoutProc( * "string", but formatted as for "type". It is the caller's * responsibility to free the string when done with it. The word at * *numLongsPtr is filled in with the number of 32-bit words returned in - * the result. + * the result. If NULL is returned, the input list was not actually a + * list. * * Side effects: * None. @@ -1390,12 +1396,9 @@ SelCvtToX( int *numLongsPtr) /* Number of 32-bit words contained in the * result. */ { - register char *p; - char *field; - int numFields; - long *propPtr, *longPtr; -#define MAX_ATOM_NAME_LENGTH 100 - char atomName[MAX_ATOM_NAME_LENGTH+1]; + char **field; + int numFields, i; + long *propPtr; /* * The string is assumed to consist of fields separated by spaces. The @@ -1406,11 +1409,8 @@ SelCvtToX( * a 32-bit binary number. */ - numFields = 1; - for (p = string; *p != 0; p++) { - if (isspace(UCHAR(*p))) { - numFields++; - } + if (Tcl_SplitList(NULL, string, &numFields, &field) != TCL_OK) { + return NULL; } propPtr = (long *) ckalloc((unsigned) numFields*sizeof(long)); @@ -1418,34 +1418,27 @@ SelCvtToX( * Convert the fields one-by-one. */ - for (longPtr = propPtr, *numLongsPtr = 0, p = string; - ; longPtr++, (*numLongsPtr)++) { - while (isspace(UCHAR(*p))) { - p++; - } - if (*p == 0) { - break; - } - field = p; - while ((*p != 0) && !isspace(UCHAR(*p))) { - p++; - } + for (i=0 ; i<numFields ; i++) { if (type == XA_ATOM) { - int length; - - length = p - field; - if (length > MAX_ATOM_NAME_LENGTH) { - length = MAX_ATOM_NAME_LENGTH; - } - strncpy(atomName, field, (unsigned) length); - atomName[length] = 0; - *longPtr = (long) Tk_InternAtom(tkwin, atomName); + propPtr[i] = (long) Tk_InternAtom(tkwin, field[i]); } else { char *dummy; - *longPtr = strtol(field, &dummy, 0); + /* + * If this fails to parse a number, we just plunge on regardless + * anyway. + */ + + propPtr[i] = strtol(field[i], &dummy, 0); } } + + /* + * Release the parsed list. + */ + + ckfree((char *) &field); + *numLongsPtr = i; return propPtr; } |