summaryrefslogtreecommitdiffstats
path: root/generic/tclClock.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclClock.c')
-rw-r--r--generic/tclClock.c323
1 files changed, 0 insertions, 323 deletions
diff --git a/generic/tclClock.c b/generic/tclClock.c
deleted file mode 100644
index 2015f53..0000000
--- a/generic/tclClock.c
+++ /dev/null
@@ -1,323 +0,0 @@
-/*
- * tclClock.c --
- *
- * Contains the time and date related commands. This code
- * is derived from the time and date facilities of TclX,
- * by Mark Diekhans and Karl Lehenbauer.
- *
- * Copyright 1991-1995 Karl Lehenbauer and Mark Diekhans.
- * Copyright (c) 1995 Sun Microsystems, Inc.
- *
- * 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 1.4 1999/04/16 00:46:43 stanton Exp $
- */
-
-#include "tcl.h"
-#include "tclInt.h"
-#include "tclPort.h"
-
-/*
- * The date parsing stuff uses lexx and has tons o statics.
- */
-
-TCL_DECLARE_MUTEX(clockMutex)
-
-/*
- * Function prototypes for local procedures in this file:
- */
-
-static int FormatClock _ANSI_ARGS_((Tcl_Interp *interp,
- unsigned long clockVal, int useGMT,
- char *format));
-
-/*
- *-------------------------------------------------------------------------
- *
- * Tcl_ClockObjCmd --
- *
- * This procedure is invoked to process the "clock" Tcl command.
- * See the user documentation for details on what it does.
- *
- * Results:
- * A standard Tcl result.
- *
- * Side effects:
- * See the user documentation.
- *
- *-------------------------------------------------------------------------
- */
-
-int
-Tcl_ClockObjCmd (client, interp, objc, objv)
- ClientData client; /* Not used. */
- Tcl_Interp *interp; /* Current interpreter. */
- int objc; /* Number of arguments. */
- Tcl_Obj *CONST objv[]; /* Argument values. */
-{
- Tcl_Obj *resultPtr;
- int index;
- Tcl_Obj *CONST *objPtr;
- int useGMT = 0;
- char *format = "%a %b %d %X %Z %Y";
- int dummy;
- unsigned long baseClock, clockVal;
- long zone;
- Tcl_Obj *baseObjPtr = NULL;
- char *scanStr;
-
- static char *switches[] =
- {"clicks", "format", "scan", "seconds", (char *) NULL};
- static char *formatSwitches[] = {"-format", "-gmt", (char *) NULL};
- static char *scanSwitches[] = {"-base", "-gmt", (char *) NULL};
-
- resultPtr = Tcl_GetObjResult(interp);
- if (objc < 2) {
- Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
- return TCL_ERROR;
- }
-
- if (Tcl_GetIndexFromObj(interp, objv[1], switches, "option", 0, &index)
- != TCL_OK) {
- return TCL_ERROR;
- }
- switch (index) {
- case 0: /* clicks */
- if (objc != 2) {
- Tcl_WrongNumArgs(interp, 2, objv, NULL);
- return TCL_ERROR;
- }
- Tcl_SetLongObj(resultPtr, (long) TclpGetClicks());
- return TCL_OK;
- case 1: /* format */
- if ((objc < 3) || (objc > 7)) {
- wrongFmtArgs:
- Tcl_WrongNumArgs(interp, 2, objv,
- "clockval ?-format string? ?-gmt boolean?");
- return TCL_ERROR;
- }
-
- if (Tcl_GetLongFromObj(interp, objv[2], (long*) &clockVal)
- != TCL_OK) {
- return TCL_ERROR;
- }
-
- objPtr = objv+3;
- objc -= 3;
- while (objc > 1) {
- if (Tcl_GetIndexFromObj(interp, objPtr[0], formatSwitches,
- "switch", 0, &index) != TCL_OK) {
- return TCL_ERROR;
- }
- switch (index) {
- case 0: /* -format */
- format = Tcl_GetStringFromObj(objPtr[1], &dummy);
- break;
- case 1: /* -gmt */
- if (Tcl_GetBooleanFromObj(interp, objPtr[1],
- &useGMT) != TCL_OK) {
- return TCL_ERROR;
- }
- break;
- }
- objPtr += 2;
- objc -= 2;
- }
- if (objc != 0) {
- goto wrongFmtArgs;
- }
- return FormatClock(interp, (unsigned long) clockVal, useGMT,
- format);
- case 2: /* scan */
- if ((objc < 3) || (objc > 7)) {
- wrongScanArgs:
- Tcl_WrongNumArgs(interp, 2, objv,
- "dateString ?-base clockValue? ?-gmt boolean?");
- return TCL_ERROR;
- }
-
- objPtr = objv+3;
- objc -= 3;
- while (objc > 1) {
- if (Tcl_GetIndexFromObj(interp, objPtr[0], scanSwitches,
- "switch", 0, &index) != TCL_OK) {
- return TCL_ERROR;
- }
- switch (index) {
- case 0: /* -base */
- baseObjPtr = objPtr[1];
- break;
- case 1: /* -gmt */
- if (Tcl_GetBooleanFromObj(interp, objPtr[1],
- &useGMT) != TCL_OK) {
- return TCL_ERROR;
- }
- break;
- }
- objPtr += 2;
- objc -= 2;
- }
- if (objc != 0) {
- goto wrongScanArgs;
- }
-
- if (baseObjPtr != NULL) {
- if (Tcl_GetLongFromObj(interp, baseObjPtr,
- (long*) &baseClock) != TCL_OK) {
- return TCL_ERROR;
- }
- } else {
- baseClock = TclpGetSeconds();
- }
-
- if (useGMT) {
- zone = -50000; /* Force GMT */
- } else {
- zone = TclpGetTimeZone((unsigned long) baseClock);
- }
-
- scanStr = Tcl_GetStringFromObj(objv[2], &dummy);
- Tcl_MutexLock(&clockMutex);
- if (TclGetDate(scanStr, (unsigned long) baseClock, zone,
- (unsigned long *) &clockVal) < 0) {
- Tcl_MutexUnlock(&clockMutex);
- Tcl_AppendStringsToObj(resultPtr,
- "unable to convert date-time string \"",
- scanStr, "\"", (char *) NULL);
- return TCL_ERROR;
- }
- Tcl_MutexUnlock(&clockMutex);
-
- Tcl_SetLongObj(resultPtr, (long) clockVal);
- return TCL_OK;
- case 3: /* seconds */
- if (objc != 2) {
- Tcl_WrongNumArgs(interp, 2, objv, NULL);
- return TCL_ERROR;
- }
- Tcl_SetLongObj(resultPtr, (long) TclpGetSeconds());
- return TCL_OK;
- default:
- return TCL_ERROR; /* Should never be reached. */
- }
-}
-
-/*
- *-----------------------------------------------------------------------------
- *
- * FormatClock --
- *
- * Formats a time value based on seconds into a human readable
- * string.
- *
- * Results:
- * Standard Tcl result.
- *
- * Side effects:
- * None.
- *
- *-----------------------------------------------------------------------------
- */
-
-static int
-FormatClock(interp, clockVal, useGMT, format)
- Tcl_Interp *interp; /* Current interpreter. */
- unsigned long clockVal; /* Time in seconds. */
- int useGMT; /* Boolean */
- char *format; /* Format string */
-{
- struct tm *timeDataPtr;
- Tcl_DString buffer;
- int bufSize;
- char *p;
- Tcl_Obj *resultPtr;
- int result;
-#ifndef HAVE_TM_ZONE
- int savedTimeZone = 0; /* lint. */
- char *savedTZEnv = NULL; /* lint. */
-#endif
-
- resultPtr = Tcl_GetObjResult(interp);
-#ifdef HAVE_TZSET
- /*
- * Some systems forgot to call tzset in localtime, make sure its done.
- */
- static int calledTzset = 0;
-
- Tcl_MutexLock(&clockMutex);
- if (!calledTzset) {
- tzset();
- calledTzset = 1;
- }
- Tcl_MutexUnlock(&clockMutex);
-#endif
-
-#ifndef HAVE_TM_ZONE
- /*
- * This is a kludge for systems not having the timezone string in
- * struct tm. No matter what was specified, they use the local
- * timezone string.
- */
-
- if (useGMT) {
- char *varValue;
-
- varValue = Tcl_GetVar2(interp, "env", "TZ", TCL_GLOBAL_ONLY);
- if (varValue != NULL) {
- savedTZEnv = strcpy(ckalloc(strlen(varValue) + 1), varValue);
- } else {
- savedTZEnv = NULL;
- }
- Tcl_SetVar2(interp, "env", "TZ", "GMT", TCL_GLOBAL_ONLY);
- savedTimeZone = timezone;
- timezone = 0;
- tzset();
- }
-#endif
-
- timeDataPtr = TclpGetDate((TclpTime_t) &clockVal, useGMT);
-
- /*
- * Make a guess at the upper limit on the substituted string size
- * based on the number of percents in the string.
- */
-
- for (bufSize = 1, p = format; *p != '\0'; p++) {
- if (*p == '%') {
- bufSize += 40;
- } else {
- bufSize++;
- }
- }
- Tcl_DStringInit(&buffer);
- Tcl_DStringSetLength(&buffer, bufSize);
-
- Tcl_MutexLock(&clockMutex);
- result = TclpStrftime(buffer.string, (unsigned int) bufSize, format,
- timeDataPtr);
- Tcl_MutexUnlock(&clockMutex);
-
-#ifndef HAVE_TM_ZONE
- if (useGMT) {
- if (savedTZEnv != NULL) {
- Tcl_SetVar2(interp, "env", "TZ", savedTZEnv, TCL_GLOBAL_ONLY);
- ckfree(savedTZEnv);
- } else {
- Tcl_UnsetVar2(interp, "env", "TZ", TCL_GLOBAL_ONLY);
- }
- timezone = savedTimeZone;
- tzset();
- }
-#endif
- if ((result == 0) && (*format != '\0')) {
- Tcl_AppendStringsToObj(resultPtr, "bad format string \"", format,
- "\"", (char *) NULL);
- return TCL_ERROR;
- }
-
- Tcl_SetStringObj(resultPtr, buffer.string, -1);
- Tcl_DStringFree(&buffer);
- return TCL_OK;
-}
-
generated by cgit v0.12 at 2025-09-05 00:01:35 (GMT)