diff options
Diffstat (limited to 'win/tclWinSock.c')
| -rw-r--r-- | win/tclWinSock.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c index 9b181a6..97b10a3 100644 --- a/win/tclWinSock.c +++ b/win/tclWinSock.c @@ -2579,20 +2579,16 @@ InitializeHostName( Tcl_DStringInit(&ds); if (TclpHasSockets(NULL) == TCL_OK) { /* - * Buffer length of 255 copied slavishly from previous version of - * this routine. Presumably there's a more "correct" macro value - * for a properly sized buffer for a gethostname() call. - * Maintainers are welcome to supply it. + * The buffer size of 256 is recommended by the MSDN page that + * documents gethostname() as being always adequate. */ Tcl_DString inDs; Tcl_DStringInit(&inDs); - Tcl_DStringSetLength(&inDs, 255); + Tcl_DStringSetLength(&inDs, 256); if (gethostname(Tcl_DStringValue(&inDs), Tcl_DStringLength(&inDs)) == 0) { - TclDStringClear(&ds); - } else { Tcl_ExternalToUtfDString(NULL, Tcl_DStringValue(&inDs), -1, &ds); } |