diff options
Diffstat (limited to 'generic/tclClock.c')
-rw-r--r-- | generic/tclClock.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/generic/tclClock.c b/generic/tclClock.c index b155b4d..8b2bc53 100644 --- a/generic/tclClock.c +++ b/generic/tclClock.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclClock.c,v 1.8 2000/01/26 03:37:40 hobbs Exp $ + * RCS: @(#) $Id: tclClock.c,v 1.9 2000/03/30 04:36:11 hobbs Exp $ */ #include "tcl.h" @@ -282,6 +282,13 @@ FormatClock(interp, clockVal, useGMT, format) Tcl_MutexUnlock(&clockMutex); #endif + /* + * If the user gave us -format "", just return now + */ + if (*format == '\0') { + return TCL_OK; + } + #ifndef HAVE_TM_ZONE /* * This is a kludge for systems not having the timezone string in @@ -340,7 +347,14 @@ FormatClock(interp, clockVal, useGMT, format) tzset(); } #endif - if ((result == 0) && (*format != '\0')) { + + if (result == 0) { + /* + * A zero return is the error case (can also mean the strftime + * didn't get enough space to write into). We know it doesn't + * mean that we wrote zero chars because the check for an empty + * format string is above. + */ Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), "bad format string \"", format, "\"", (char *) NULL); return TCL_ERROR; |