author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 16:57:14 +0300 | |
branch | RCL_3 |
changeset 23 | 26645d81f48d |
parent 0 | 08ec8eefde2f |
permissions | -rw-r--r-- |
0
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/* |
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* tclClock.c -- |
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* |
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* Contains the time and date related commands. This code |
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* is derived from the time and date facilities of TclX, |
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* by Mark Diekhans and Karl Lehenbauer. |
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* |
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* Copyright 1991-1995 Karl Lehenbauer and Mark Diekhans. |
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* Copyright (c) 1995 Sun Microsystems, Inc. |
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* |
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* See the file "license.terms" for information on usage and redistribution |
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* of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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* |
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* RCS: @(#) $Id: tclClock.c,v 1.20.2.3 2007/04/21 22:42:49 kennykb Exp $ |
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*/ |
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|
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#include "tcl.h" |
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#include "tclInt.h" |
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#include "tclPort.h" |
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|
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/* |
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* The date parsing stuff uses lexx and has tons o statics. |
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*/ |
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|
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TCL_DECLARE_MUTEX(clockMutex) |
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|
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/* |
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* Function prototypes for local procedures in this file: |
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*/ |
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|
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static int FormatClock _ANSI_ARGS_((Tcl_Interp *interp, |
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Tcl_WideInt clockVal, int useGMT, |
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char *format)); |
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|
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/* |
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*------------------------------------------------------------------------- |
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* |
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* Tcl_ClockObjCmd -- |
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* |
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* This procedure is invoked to process the "clock" Tcl command. |
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* See the user documentation for details on what it does. |
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* |
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* Results: |
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* A standard Tcl result. |
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* |
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* Side effects: |
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* See the user documentation. |
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* |
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*------------------------------------------------------------------------- |
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*/ |
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|
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int |
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Tcl_ClockObjCmd (client, interp, objc, objv) |
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ClientData client; /* Not used. */ |
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Tcl_Interp *interp; /* Current interpreter. */ |
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int objc; /* Number of arguments. */ |
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Tcl_Obj *CONST objv[]; /* Argument values. */ |
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{ |
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Tcl_Obj *resultPtr; |
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int index; |
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Tcl_Obj *CONST *objPtr; |
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int useGMT = 0; |
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char *format = "%a %b %d %X %Z %Y"; |
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int dummy; |
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Tcl_WideInt baseClock, clockVal; |
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long zone; |
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Tcl_Obj *baseObjPtr = NULL; |
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char *scanStr; |
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int n; |
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|
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static CONST char *switches[] = |
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{"clicks", "format", "scan", "seconds", (char *) NULL}; |
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enum command { COMMAND_CLICKS, COMMAND_FORMAT, COMMAND_SCAN, |
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COMMAND_SECONDS |
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}; |
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static CONST char *formatSwitches[] = {"-format", "-gmt", (char *) NULL}; |
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static CONST char *scanSwitches[] = {"-base", "-gmt", (char *) NULL}; |
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|
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resultPtr = Tcl_GetObjResult(interp); |
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if (objc < 2) { |
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Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?"); |
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return TCL_ERROR; |
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} |
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|
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if (Tcl_GetIndexFromObj(interp, objv[1], switches, "option", 0, &index) |
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!= TCL_OK) { |
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return TCL_ERROR; |
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} |
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switch ((enum command) index) { |
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case COMMAND_CLICKS: { /* clicks */ |
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int forceMilli = 0; |
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if (objc == 3) { |
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format = Tcl_GetStringFromObj(objv[2], &n); |
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if ( ( n >= 2 ) |
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&& ( strncmp( format, "-milliseconds", |
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(unsigned int) n) == 0 ) ) { |
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forceMilli = 1; |
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} else { |
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Tcl_AppendStringsToObj(resultPtr, |
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"bad switch \"", format, |
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"\": must be -milliseconds", (char *) NULL); |
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diff
changeset
|
103 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
104 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
105 |
} else if (objc != 2) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
106 |
Tcl_WrongNumArgs(interp, 2, objv, "?-milliseconds?"); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
108 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
109 |
if (forceMilli) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
110 |
/* |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
111 |
* We can enforce at least millisecond granularity |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
112 |
*/ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
113 |
Tcl_Time time; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
114 |
Tcl_GetTime(&time); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
115 |
Tcl_SetLongObj(resultPtr, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
116 |
(long) (time.sec*1000 + time.usec/1000)); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
117 |
} else { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
118 |
Tcl_SetLongObj(resultPtr, (long) TclpGetClicks()); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
119 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
120 |
return TCL_OK; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
121 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
122 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
123 |
case COMMAND_FORMAT: /* format */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
124 |
if ((objc < 3) || (objc > 7)) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
125 |
wrongFmtArgs: |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
126 |
Tcl_WrongNumArgs(interp, 2, objv, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
127 |
"clockval ?-format string? ?-gmt boolean?"); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
128 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
129 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
130 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
131 |
if (Tcl_GetWideIntFromObj(interp, objv[2], &clockVal) |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
132 |
!= TCL_OK) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
133 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
134 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
135 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
136 |
objPtr = objv+3; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
137 |
objc -= 3; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
138 |
while (objc > 1) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
139 |
if (Tcl_GetIndexFromObj(interp, objPtr[0], formatSwitches, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
140 |
"switch", 0, &index) != TCL_OK) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
141 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
142 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
143 |
switch (index) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
144 |
case 0: /* -format */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
145 |
format = Tcl_GetStringFromObj(objPtr[1], &dummy); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
146 |
break; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
147 |
case 1: /* -gmt */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
148 |
if (Tcl_GetBooleanFromObj(interp, objPtr[1], |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
149 |
&useGMT) != TCL_OK) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
150 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
151 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
152 |
break; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
153 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
154 |
objPtr += 2; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
155 |
objc -= 2; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
156 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
157 |
if (objc != 0) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
158 |
goto wrongFmtArgs; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
159 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
160 |
return FormatClock(interp, clockVal, useGMT, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
161 |
format); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
case COMMAND_SCAN: /* scan */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
164 |
if ((objc < 3) || (objc > 7)) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
165 |
wrongScanArgs: |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
166 |
Tcl_WrongNumArgs(interp, 2, objv, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
"dateString ?-base clockValue? ?-gmt boolean?"); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
168 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
170 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
171 |
objPtr = objv+3; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
172 |
objc -= 3; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
173 |
while (objc > 1) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
174 |
if (Tcl_GetIndexFromObj(interp, objPtr[0], scanSwitches, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
175 |
"switch", 0, &index) != TCL_OK) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
176 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
177 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
178 |
switch (index) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
179 |
case 0: /* -base */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
180 |
baseObjPtr = objPtr[1]; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
181 |
break; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
182 |
case 1: /* -gmt */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
183 |
if (Tcl_GetBooleanFromObj(interp, objPtr[1], |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
184 |
&useGMT) != TCL_OK) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
185 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
186 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
187 |
break; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
188 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
189 |
objPtr += 2; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
190 |
objc -= 2; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
191 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
192 |
if (objc != 0) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
193 |
goto wrongScanArgs; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
194 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
195 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
196 |
if (baseObjPtr != NULL) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
197 |
if (Tcl_GetWideIntFromObj(interp, baseObjPtr, |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
198 |
&baseClock) != TCL_OK) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
199 |
return TCL_ERROR; |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
200 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
201 |
} else { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
202 |
baseClock = TclpGetSeconds(); |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
} |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
|
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
205 |
if (useGMT) { |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
zone = -50000; /* Force GMT */ |
08ec8eefde2f
Revision: 201003
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
207 |
} else { |
08ec8eefde2f
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zone = TclpGetTimeZone(baseClock); |
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209 |
} |
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210 |
|
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scanStr = Tcl_GetStringFromObj(objv[2], &dummy); |
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Tcl_MutexLock(&clockMutex); |
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if (TclGetDate(scanStr, baseClock, zone, |
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&clockVal) < 0) { |
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Tcl_MutexUnlock(&clockMutex); |
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Tcl_AppendStringsToObj(resultPtr, |
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217 |
"unable to convert date-time string \"", |
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scanStr, "\"", (char *) NULL); |
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219 |
return TCL_ERROR; |
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220 |
} |
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221 |
Tcl_MutexUnlock(&clockMutex); |
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222 |
|
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223 |
Tcl_SetWideIntObj(resultPtr, clockVal); |
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224 |
return TCL_OK; |
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225 |
|
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226 |
case COMMAND_SECONDS: /* seconds */ |
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227 |
if (objc != 2) { |
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Tcl_WrongNumArgs(interp, 2, objv, NULL); |
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229 |
return TCL_ERROR; |
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230 |
} |
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Tcl_SetLongObj(resultPtr, (long) TclpGetSeconds()); |
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232 |
return TCL_OK; |
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233 |
default: |
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234 |
return TCL_ERROR; /* Should never be reached. */ |
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235 |
} |
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236 |
} |
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237 |
|
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238 |
/* |
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239 |
*----------------------------------------------------------------------------- |
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240 |
* |
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241 |
* FormatClock -- |
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242 |
* |
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243 |
* Formats a time value based on seconds into a human readable |
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244 |
* string. |
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245 |
* |
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246 |
* Results: |
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247 |
* Standard Tcl result. |
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248 |
* |
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249 |
* Side effects: |
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250 |
* None. |
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251 |
* |
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252 |
*----------------------------------------------------------------------------- |
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253 |
*/ |
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254 |
|
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255 |
static int |
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256 |
FormatClock(interp, clockVal, useGMT, format) |
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257 |
Tcl_Interp *interp; /* Current interpreter. */ |
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258 |
Tcl_WideInt clockVal; /* Time in seconds. */ |
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259 |
int useGMT; /* Boolean */ |
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260 |
char *format; /* Format string */ |
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261 |
{ |
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262 |
struct tm *timeDataPtr; |
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263 |
Tcl_DString buffer, uniBuffer; |
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264 |
int bufSize; |
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265 |
char *p; |
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266 |
int result; |
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267 |
time_t tclockVal; |
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268 |
#if !defined(HAVE_TM_ZONE) && !defined(WIN32) |
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269 |
TIMEZONE_t savedTimeZone = 0; /* lint. */ |
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270 |
char *savedTZEnv = NULL; /* lint. */ |
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271 |
#endif |
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272 |
|
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273 |
#ifdef HAVE_TZSET |
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274 |
/* |
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275 |
* Some systems forgot to call tzset in localtime, make sure its done. |
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276 |
*/ |
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277 |
static int calledTzset = 0; |
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278 |
|
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279 |
Tcl_MutexLock(&clockMutex); |
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280 |
if (!calledTzset) { |
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281 |
tzset(); |
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282 |
calledTzset = 1; |
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283 |
} |
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284 |
Tcl_MutexUnlock(&clockMutex); |
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285 |
#endif |
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286 |
|
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287 |
/* |
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288 |
* If the user gave us -format "", just return now |
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289 |
*/ |
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290 |
if (*format == '\0') { |
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291 |
return TCL_OK; |
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292 |
} |
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|
293 |
|
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294 |
#if !defined(HAVE_TM_ZONE) && !defined(WIN32) |
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295 |
/* |
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296 |
* This is a kludge for systems not having the timezone string in |
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297 |
* struct tm. No matter what was specified, they use the local |
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298 |
* timezone string. Since this kludge requires fiddling with the |
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299 |
* TZ environment variable, it will mess up if done on multiple |
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300 |
* threads at once. Protect it with a the clock mutex. |
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301 |
*/ |
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|
302 |
|
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303 |
Tcl_MutexLock( &clockMutex ); |
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|
304 |
if (useGMT) { |
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|
305 |
CONST char *varValue; |
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|
306 |
|
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|
307 |
varValue = Tcl_GetVar2(interp, "env", "TZ", TCL_GLOBAL_ONLY); |
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|
308 |
if (varValue != NULL) { |
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309 |
savedTZEnv = strcpy(ckalloc(strlen(varValue) + 1), varValue); |
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310 |
} else { |
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311 |
savedTZEnv = NULL; |
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312 |
} |
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313 |
Tcl_SetVar2(interp, "env", "TZ", "GMT0", TCL_GLOBAL_ONLY); |
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savedTimeZone = timezone; |
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timezone = 0; |
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316 |
tzset(); |
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317 |
} |
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318 |
#endif |
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319 |
|
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tclockVal = (time_t) clockVal; |
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321 |
timeDataPtr = TclpGetDate((TclpTime_t) &tclockVal, useGMT); |
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322 |
|
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323 |
/* |
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324 |
* Make a guess at the upper limit on the substituted string size |
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* based on the number of percents in the string. |
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326 |
*/ |
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327 |
|
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328 |
for (bufSize = 1, p = format; *p != '\0'; p++) { |
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329 |
if (*p == '%') { |
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330 |
bufSize += 40; |
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331 |
} else { |
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332 |
bufSize++; |
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333 |
} |
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334 |
} |
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335 |
Tcl_DStringInit(&uniBuffer); |
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336 |
Tcl_UtfToExternalDString(NULL, format, -1, &uniBuffer); |
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Tcl_DStringInit(&buffer); |
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Tcl_DStringSetLength(&buffer, bufSize); |
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339 |
|
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340 |
/* If we haven't locked the clock mutex up above, lock it now. */ |
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341 |
|
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342 |
#if defined(HAVE_TM_ZONE) || defined(WIN32) |
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Tcl_MutexLock(&clockMutex); |
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344 |
#endif |
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345 |
result = TclpStrftime(buffer.string, (unsigned int) bufSize, |
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346 |
Tcl_DStringValue(&uniBuffer), timeDataPtr, useGMT); |
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347 |
#if defined(HAVE_TM_ZONE) || defined(WIN32) |
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Tcl_MutexUnlock(&clockMutex); |
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349 |
#endif |
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Tcl_DStringFree(&uniBuffer); |
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|
351 |
|
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352 |
#if !defined(HAVE_TM_ZONE) && !defined(WIN32) |
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353 |
if (useGMT) { |
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354 |
if (savedTZEnv != NULL) { |
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355 |
Tcl_SetVar2(interp, "env", "TZ", savedTZEnv, TCL_GLOBAL_ONLY); |
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356 |
ckfree(savedTZEnv); |
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|
357 |
} else { |
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358 |
Tcl_UnsetVar2(interp, "env", "TZ", TCL_GLOBAL_ONLY); |
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|
359 |
} |
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360 |
timezone = savedTimeZone; |
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361 |
tzset(); |
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|
362 |
} |
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363 |
Tcl_MutexUnlock( &clockMutex ); |
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364 |
#endif |
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|
365 |
|
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|
366 |
if (result == 0) { |
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|
367 |
/* |
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|
368 |
* A zero return is the error case (can also mean the strftime |
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|
369 |
* didn't get enough space to write into). We know it doesn't |
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|
370 |
* mean that we wrote zero chars because the check for an empty |
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|
371 |
* format string is above. |
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|
372 |
*/ |
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|
373 |
Tcl_AppendStringsToObj(Tcl_GetObjResult(interp), |
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|
374 |
"bad format string \"", format, "\"", (char *) NULL); |
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|
375 |
return TCL_ERROR; |
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|
376 |
} |
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|
377 |
|
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|
378 |
/* |
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|
379 |
* Convert the time to UTF from external encoding [Bug: 3345] |
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|
380 |
*/ |
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Revision: 201003
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|
381 |
Tcl_DStringInit(&uniBuffer); |
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Revision: 201003
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|
382 |
Tcl_ExternalToUtfDString(NULL, buffer.string, -1, &uniBuffer); |
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|
383 |
|
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Revision: 201003
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|
384 |
Tcl_SetStringObj(Tcl_GetObjResult(interp), uniBuffer.string, -1); |
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Revision: 201003
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|
385 |
|
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Revision: 201003
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|
386 |
Tcl_DStringFree(&uniBuffer); |
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Revision: 201003
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|
387 |
Tcl_DStringFree(&buffer); |
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Revision: 201003
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|
388 |
return TCL_OK; |
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Revision: 201003
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|
389 |
} |
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Revision: 201003
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parents:
diff
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|
390 |