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-rw-r--r--unix/tclUnixFCmd.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/unix/tclUnixFCmd.c b/unix/tclUnixFCmd.c
index caadf68..8bf268d 100644
--- a/unix/tclUnixFCmd.c
+++ b/unix/tclUnixFCmd.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: tclUnixFCmd.c,v 1.58 2006/11/02 15:58:09 dgp Exp $
+ * RCS: @(#) $Id: tclUnixFCmd.c,v 1.59 2006/11/07 17:29:48 andreas_kupries Exp $
*
* Portions of this code were derived from NetBSD source code which has the
* following copyright notice:
@@ -541,6 +541,16 @@ TclUnixCopyFile(
#endif
#endif
+ /* [SF Tcl Bug 1586470] Even if we HAVE_ST_BLKSIZE, there are
+ * filesystems which report a bogus value for the blocksize. An
+ * example is the Andrew Filesystem (afs), reporting a blocksize
+ * of 0. When detecting such a situation we now simply fall back
+ * to a hardwired default size.
+ */
+
+ if (blockSize <= 0) {
+ blockSize = 4096;
+ }
buffer = ckalloc(blockSize);
while (1) {
nread = (size_t) read(srcFd, buffer, blockSize);