diff options
Diffstat (limited to 'generic/tclIOSock.c')
| -rw-r--r-- | generic/tclIOSock.c | 38 |
1 files changed, 33 insertions, 5 deletions
diff --git a/generic/tclIOSock.c b/generic/tclIOSock.c index e603c91..f69d30f 100644 --- a/generic/tclIOSock.c +++ b/generic/tclIOSock.c @@ -12,9 +12,26 @@ #include "tclInt.h" #if defined(_WIN32) && defined(UNICODE) -/* On Windows, we always need the ASCII version. */ -# undef gai_strerror -# define gai_strerror gai_strerrorA +/* On Windows, we need to do proper Unicode->UTF-8 conversion. */ + +typedef struct ThreadSpecificData { + int initialized; + Tcl_DString errorMsg; /* UTF-8 encoded error-message */ +} ThreadSpecificData; +static Tcl_ThreadDataKey dataKey; + +#undef gai_strerror +static const char *gai_strerror(int code) { + ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey); + + if (tsdPtr->initialized) { + Tcl_DStringFree(&tsdPtr->errorMsg); + } else { + tsdPtr->initialized = 1; + } + Tcl_WinTCharToUtf(gai_strerrorW(code), -1, &tsdPtr->errorMsg); + return Tcl_DStringValue(&tsdPtr->errorMsg); +} #endif /* @@ -151,7 +168,7 @@ TclCreateSocketAddress( struct addrinfo *p; struct addrinfo *v4head = NULL, *v4ptr = NULL; struct addrinfo *v6head = NULL, *v6ptr = NULL; - char *native = NULL, portstring[TCL_INTEGER_SPACE]; + char *native = NULL, portbuf[TCL_INTEGER_SPACE], *portstring; const char *family = NULL; Tcl_DString ds; int result, i; @@ -159,7 +176,18 @@ TclCreateSocketAddress( if (host != NULL) { native = Tcl_UtfToExternalDString(NULL, host, -1, &ds); } - TclFormatInt(portstring, port); + + /* + * Workaround for OSX's apparent inability to resolve "localhost", "0" + * when the loopback device is the only available network interface. + */ + if (host != NULL && port == 0) { + portstring = NULL; + } else { + TclFormatInt(portbuf, port); + portstring = portbuf; + } + (void) memset(&hints, 0, sizeof(hints)); hints.ai_family = AF_UNSPEC; |