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| author | jan.nijtmans <nijtmans@users.sourceforge.net> | 2015-12-11 10:13:33 (GMT) |
|---|---|---|
| committer | jan.nijtmans <nijtmans@users.sourceforge.net> | 2015-12-11 10:13:33 (GMT) |
| commit | 003b3000368a5f8752fcee1444cf4ec1cee6fe62 (patch) | |
| tree | 0d5d23c9f1098da91d17bc5f70e6d56ddc5f3d59 | |
| parent | 7b5ffe4a2c27ceb9b41422abe0a3a680dc345244 (diff) | |
| download | tcl-003b3000368a5f8752fcee1444cf4ec1cee6fe62.zip tcl-003b3000368a5f8752fcee1444cf4ec1cee6fe62.tar.gz tcl-003b3000368a5f8752fcee1444cf4ec1cee6fe62.tar.bz2 | |
Fix [c9eb6b0ac01bb8ef96a616c71426a3db4a279bec|c9eb6b0ac0]: ConvertLocalToUTCUsingC fails the first time if TZ is not set
| -rw-r--r-- | generic/tclClock.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/generic/tclClock.c b/generic/tclClock.c index 3ec94fb..32ba145 100644 --- a/generic/tclClock.c +++ b/generic/tclClock.c @@ -1994,22 +1994,23 @@ ClockSecondsObjCmd( static void TzsetIfNecessary(void) { - static char* tzWas = NULL; /* Previous value of TZ, protected by + static char* tzWas = INT2PTR(-1); /* Previous value of TZ, protected by * clockMutex. */ const char* tzIsNow; /* Current value of TZ */ Tcl_MutexLock(&clockMutex); tzIsNow = getenv("TZ"); - if (tzIsNow != NULL && (tzWas == NULL || strcmp(tzIsNow, tzWas) != 0)) { + if (tzIsNow != NULL && (tzWas == NULL || tzWas == INT2PTR(-1) + || strcmp(tzIsNow, tzWas) != 0)) { tzset(); - if (tzWas != NULL) { + if (tzWas != NULL && tzWas != INT2PTR(-1)) { ckfree(tzWas); } tzWas = ckalloc(strlen(tzIsNow) + 1); strcpy(tzWas, tzIsNow); } else if (tzIsNow == NULL && tzWas != NULL) { tzset(); - ckfree(tzWas); + if (tzWas != INT2PTR(-1)) ckfree(tzWas); tzWas = NULL; } Tcl_MutexUnlock(&clockMutex); |