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-rw-r--r--ChangeLog6
-rw-r--r--generic/tclStringObj.c5
-rw-r--r--tests/format.test6
3 files changed, 15 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog
index f907b8d..b3463a9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-07-31 Don Porter <dgp@users.sourceforge.net>
+
+ * generic/tclStringObj.c: Corrected failure to grow buffer
+ * tests/format.test: when format spec request large width
+ floating point values. Thanks to Clemens Misch. [Bug 2830354]
+
2009-07-26 Donal K. Fellows <dkf@users.sf.net>
* library/auto.tcl (tcl_findLibrary, auto_mkindex):
diff --git a/generic/tclStringObj.c b/generic/tclStringObj.c
index 7804e1f..9ba62f5 100644
--- a/generic/tclStringObj.c
+++ b/generic/tclStringObj.c
@@ -33,7 +33,7 @@
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*
- * RCS: @(#) $Id: tclStringObj.c,v 1.127 2009/07/12 18:04:33 dkf Exp $ */
+ * RCS: @(#) $Id: tclStringObj.c,v 1.128 2009/07/31 16:55:58 dgp Exp $ */
#include "tclInt.h"
#include "tommath.h"
@@ -2211,6 +2211,9 @@ Tcl_AppendFormatToObj(
}
if (width) {
p += sprintf(p, "%d", width);
+ if (width > length) {
+ length = width;
+ }
}
if (gotPrecision) {
*p++ = '.';
diff --git a/tests/format.test b/tests/format.test
index d2cbcde..8aa7d0b 100644
--- a/tests/format.test
+++ b/tests/format.test
@@ -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: format.test,v 1.28 2008/12/10 18:21:47 ferrieux Exp $
+# RCS: @(#) $Id: format.test,v 1.29 2009/07/31 16:55:58 dgp Exp $
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest 2
@@ -566,6 +566,10 @@ test format-19.2 {Bug 1867855} {
format %llx 0
} 0
+test format-19.3 {Bug 2830354} {
+ string length [format %340f 0]
+} 340
+
# cleanup
catch {unset a}
catch {unset b}