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authorhobbs <hobbs>2007-11-29 00:31:50 (GMT)
committerhobbs <hobbs>2007-11-29 00:31:50 (GMT)
commit300ffcba6bfd94fe5e9afa67a61040c1974f39c3 (patch)
tree0c7765b8562e408d4234524d9ef5c431895400a9 /win
parentbc12fd68ee94dccdac5e1e6d04f160cbbad550ee (diff)
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* win/tclWinSock.c (Tcl_GetHostName): update to previous fix to
set hostname length appropriately, clean up check overall.
Diffstat (limited to 'win')
-rw-r--r--win/tclWinSock.c56
1 files changed, 16 insertions, 40 deletions
diff --git a/win/tclWinSock.c b/win/tclWinSock.c
index 32cfb19..eb1ee84 100644
--- a/win/tclWinSock.c
+++ b/win/tclWinSock.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: tclWinSock.c,v 1.36.2.7 2007/11/27 20:30:42 dgp Exp $
+ * RCS: @(#) $Id: tclWinSock.c,v 1.36.2.8 2007/11/29 00:31:51 hobbs Exp $
*/
#include "tclWinInt.h"
@@ -2543,52 +2543,28 @@ Tcl_GetHostName()
Tcl_MutexLock(&socketMutex);
InitSockets();
- if (hostnameInitialized) {
- Tcl_MutexUnlock(&socketMutex);
- return hostname;
- }
- Tcl_MutexUnlock(&socketMutex);
-
- if (TclpHasSockets(NULL) == TCL_OK) {
- Tcl_DString ds;
-
- Tcl_DStringInit(&ds);
- Tcl_DStringSetLength(&ds, 255);
- if (winSock.gethostname(Tcl_DStringValue(&ds), Tcl_DStringLength(&ds))
- == 0) {
- Tcl_DString utfDs;
-
- Tcl_DStringInit(&utfDs);
- Tcl_ExternalToUtfDString(NULL, Tcl_DStringValue(&ds),
- Tcl_DStringLength(&ds), &utfDs);
- Tcl_DStringFree(&ds);
-
- Tcl_MutexLock(&socketMutex);
- strcpy(hostname, Tcl_DStringValue(&utfDs));
- Tcl_UtfToLower(hostname);
- hostnameInitialized = 1;
- Tcl_MutexUnlock(&socketMutex);
- Tcl_DStringFree(&utfDs);
- return hostname;
- }
- }
- Tcl_MutexLock(&socketMutex);
- length = sizeof(hostname);
- if ((*tclWinProcs->getComputerNameProc)(wbuf, &length) != 0) {
+ if (!hostnameInitialized) {
/*
- * Convert string from native to UTF then change to lowercase.
+ * Convert hostname from native to UTF then change to lowercase.
*/
-
Tcl_DString ds;
- lstrcpynA(hostname, Tcl_WinTCharToUtf((TCHAR *) wbuf, -1, &ds),
- sizeof(hostname));
+ length = sizeof(hostname);
+ /* same as SocketsEnabled without the socketMutex lock */
+ if ((winSock.hModule != NULL)
+ && (winSock.gethostname(hostname, length) == 0)) {
+ Tcl_ExternalToUtfDString(NULL, hostname, -1, &ds);
+ } else if ((*tclWinProcs->getComputerNameProc)(wbuf, &length) != 0) {
+ Tcl_WinTCharToUtf((TCHAR *) wbuf, -1, &ds);
+ } else {
+ Tcl_DStringInit(&ds);
+ Tcl_DStringSetLength(&ds, 0);
+ }
+ lstrcpynA(hostname, Tcl_DStringValue(&ds), sizeof(hostname));
Tcl_DStringFree(&ds);
Tcl_UtfToLower(hostname);
- } else {
- hostname[0] = '\0';
+ hostnameInitialized = 1;
}
- hostnameInitialized = 1;
Tcl_MutexUnlock(&socketMutex);
return hostname;
}