shared_source/c_tcl_base_7_5_w_mods/strftime.c

/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tcl_base/strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $ */

/* 
 * strftime.c --
 *
 *      This file contains a modified version of the BSD 4.4 strftime
 *      function.
 *
 * This file is a modified version of the strftime.c file from the BSD 4.4
 * source.  See the copyright notice below for details on redistribution
 * restrictions.  The "license.terms" file does not apply to this file.
 *
 * RCS: @(#) $Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $
 */

/*
 * Copyright (c) 1989 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if defined(LIBC_SCCS)
static char *rcsid = "$Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $";
#endif /* LIBC_SCCS */

#include <time.h>
#include <string.h>
#include <locale.h>
#include "tclInt.h"
#include "tclPort.h"

#define TM_YEAR_BASE   1900
#define IsLeapYear(x)   ((x % 4 == 0) && (x % 100 != 0 || x % 400 == 0))

typedef struct {
    const char *abday[7];
    const char *day[7];
    const char *abmon[12];
    const char *mon[12];
    const char *am_pm[2];
    const char *d_t_fmt;
    const char *d_fmt;
    const char *t_fmt;
    const char *t_fmt_ampm;
} _TimeLocale;
 
static const _TimeLocale _DefaultTimeLocale = 
{
    {
        "Sun","Mon","Tue","Wed","Thu","Fri","Sat",
    },
    {
        "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
        "Friday", "Saturday"
    },
    {
        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
    },
    {
        "January", "February", "March", "April", "May", "June", "July",
        "August", "September", "October", "November", "December"
    },
    {
        "AM", "PM"
    },
    "%a %b %d %H:%M:%S %Y",
    "%m/%d/%y",
    "%H:%M:%S",
    "%I:%M:%S %p"
};

static const _TimeLocale *_CurrentTimeLocale = &_DefaultTimeLocale;

static size_t gsize;
static char *pt;
static int               _add _ANSI_ARGS_((const char* str));
static int              _conv _ANSI_ARGS_((int n, int digits, int pad));
static int              _secs _ANSI_ARGS_((const struct tm *t));
static size_t           _fmt _ANSI_ARGS_((const char *format,
                            const struct tm *t));

size_t
TclpStrftime(s, maxsize, format, t)
    char *s;
    size_t maxsize;
    const char *format;
    const struct tm *t;
{
    if (format[0] == '%' && format[1] == 'Q') {
        /* Format as a stardate */
        sprintf(s, "Stardate %2d%03d.%01d",
                (((t->tm_year + TM_YEAR_BASE) + 377) - 2323),
                (((t->tm_yday + 1) * 1000) /
                        (365 + IsLeapYear((t->tm_year + TM_YEAR_BASE)))),
                (((t->tm_hour * 60) + t->tm_min)/144));
        return(strlen(s));
    }

    tzset();

    pt = s;
    if ((gsize = maxsize) < 1)
        return(0);
    if (_fmt(format, t)) {
        *pt = '\0';
        return(maxsize - gsize);
    }
    return(0);
}

#define SUN_WEEK(t)     (((t)->tm_yday + 7 - \
                                ((t)->tm_wday)) / 7)
#define MON_WEEK(t)     (((t)->tm_yday + 7 - \
                                ((t)->tm_wday ? (t)->tm_wday - 1 : 6)) / 7)

static size_t
_fmt(format, t)
    const char *format;
    const struct tm *t;
{
    for (; *format; ++format) {
        if (*format == '%') {
            ++format;
            if (*format == 'E') {
                                /* Alternate Era */
                ++format;
            } else if (*format == 'O') {
                                /* Alternate numeric symbols */
                ++format;
            }
            switch(*format) {
                case '\0':
                    --format;
                    break;
                case 'A':
                    if (t->tm_wday < 0 || t->tm_wday > 6)
                        return(0);
                    if (!_add(_CurrentTimeLocale->day[t->tm_wday]))
                        return(0);
                    continue;
                case 'a':
                    if (t->tm_wday < 0 || t->tm_wday > 6)
                        return(0);
                    if (!_add(_CurrentTimeLocale->abday[t->tm_wday]))
                        return(0);
                    continue;
                case 'B':
                    if (t->tm_mon < 0 || t->tm_mon > 11)
                        return(0);
                    if (!_add(_CurrentTimeLocale->mon[t->tm_mon]))
                        return(0);
                    continue;
                case 'b':
                case 'h':
                    if (t->tm_mon < 0 || t->tm_mon > 11)
                        return(0);
                    if (!_add(_CurrentTimeLocale->abmon[t->tm_mon]))
                        return(0);
                    continue;
                case 'C':
                    if (!_conv((t->tm_year + TM_YEAR_BASE) / 100,
                            2, '0'))
                        return(0);
                    continue;
                case 'c':
                    if (!_fmt(_CurrentTimeLocale->d_t_fmt, t))
                        return(0);
                    continue;
                case 'D':
                    if (!_fmt("%m/%d/%y", t))
                        return(0);
                    continue;
                case 'd':
                    if (!_conv(t->tm_mday, 2, '0'))
                        return(0);
                    continue;
                case 'e':
                    if (!_conv(t->tm_mday, 2, ' '))
                        return(0);
                    continue;
                case 'H':
                    if (!_conv(t->tm_hour, 2, '0'))
                        return(0);
                    continue;
                case 'I':
                    if (!_conv(t->tm_hour % 12 ?
                            t->tm_hour % 12 : 12, 2, '0'))
                        return(0);
                    continue;
                case 'j':
                    if (!_conv(t->tm_yday + 1, 3, '0'))
                        return(0);
                    continue;
                case 'k':
                    if (!_conv(t->tm_hour, 2, ' '))
                        return(0);
                    continue;
                case 'l':
                    if (!_conv(t->tm_hour % 12 ?
                            t->tm_hour % 12: 12, 2, ' '))
                        return(0);
                    continue;
                case 'M':
                    if (!_conv(t->tm_min, 2, '0'))
                        return(0);
                    continue;
                case 'm':
                    if (!_conv(t->tm_mon + 1, 2, '0'))
                        return(0);
                    continue;
                case 'n':
                    if (!_add("\n"))
                        return(0);
                    continue;
                case 'p':
                    if (!_add(_CurrentTimeLocale->am_pm[t->tm_hour >= 12]))
                        return(0);
                    continue;
                case 'R':
                    if (!_fmt("%H:%M", t))
                        return(0);
                    continue;
                case 'r':
                    if (!_fmt(_CurrentTimeLocale->t_fmt_ampm, t))
                        return(0);
                    continue;
                case 'S':
                    if (!_conv(t->tm_sec, 2, '0'))
                        return(0);
                    continue;
                case 's':
                    if (!_secs(t))
                        return(0);
                    continue;
                case 'T':
                    if (!_fmt("%H:%M:%S", t))
                        return(0);
                    continue;
                case 't':
                    if (!_add("\t"))
                        return(0);
                    continue;
                case 'U':
                    if (!_conv(SUN_WEEK(t), 2, '0'))
                        return(0);
                    continue;
                case 'u':
                    if (!_conv(t->tm_wday ? t->tm_wday : 7, 1, '0'))
                        return(0);
                    continue;
                case 'V':
                {
                                /* ISO 8601 Week Of Year:
                                   If the week (Monday - Sunday) containing
                                   January 1 has four or more days in the new 
                                   year, then it is week 1; otherwise it is 
                                   week 53 of the previous year and the next
                                   week is week one. */
                                 
                    int week = MON_WEEK(t);

                    int days = (((t)->tm_yday + 7 - \
                            ((t)->tm_wday ? (t)->tm_wday - 1 : 6)) % 7);


                    if (days >= 4) {
                        week++;
                    } else if (week == 0) {
                        week = 53;
                    }

                    if (!_conv(week, 2, '0'))
                        return(0);
                    continue;
                }
                case 'W':
                    if (!_conv(MON_WEEK(t), 2, '0'))
                        return(0);
                    continue;
                case 'w':
                    if (!_conv(t->tm_wday, 1, '0'))
                        return(0);
                    continue;
                case 'x':
                    if (!_fmt(_CurrentTimeLocale->d_fmt, t))
                        return(0);
                    continue;
                case 'X':
                    if (!_fmt(_CurrentTimeLocale->t_fmt, t))
                        return(0);
                    continue;
                case 'y':
                    if (!_conv((t->tm_year + TM_YEAR_BASE) % 100,
                            2, '0'))
                        return(0);
                    continue;
                case 'Y':
                    if (!_conv((t->tm_year + TM_YEAR_BASE), 4, '0'))
                        return(0);
                    continue;
#ifndef MAC_TCL
                case 'Z': {
                    char *name = TclpGetTZName(t->tm_isdst);
                    if (name && !_add(name)) {
                        return 0;
                    }
                    continue;
                }
#endif
                case '%':
                    /*
                     * X311J/88-090 (4.12.3.5): if conversion char is
                     * undefined, behavior is undefined.  Print out the
                     * character itself as printf(3) does.
                     */
                default:
                    break;
            }
        }
        if (!gsize--)
            return(0);
        *pt++ = *format;
    }
    return(gsize);
}

static int
_secs(t)
    const struct tm *t;
{
    static char buf[15];
    register time_t s;
    register char *p;
    struct tm tmp;

    /* Make a copy, mktime(3) modifies the tm struct. */
    tmp = *t;
    s = mktime(&tmp);
    for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10)
        *p-- = (char)(s % 10 + '0');
    return(_add(++p));
}

static int
_conv(n, digits, pad)
    int n, digits;
    int pad;
{
    static char buf[10];
    register char *p;

    for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits)
        *p-- = (char)(n % 10 + '0');
    while (p > buf && digits-- > 0)
        *p-- = (char) pad;
    return(_add(++p));
}

static int
_add(str)
    const char *str;
{
    for (;; ++pt, --gsize) {
        if (!gsize)
            return(0);
        if (!(*pt = *str++))
            return(1);
    }
}

/* $History: strftime.c $
 * 
 * *****************  Version 1  *****************
 * User: Dtashley     Date: 1/02/01    Time: 12:17a
 * Created in $/IjuScripter, IjuConsole/Source/Tcl Base
 * Initial check-in.
 */ 

/* End of STRFTIME.C */
1	/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tcl_base/strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $ */
2
3	/*
4	* strftime.c --
5	*
6	* This file contains a modified version of the BSD 4.4 strftime
7	* function.
8	*
9	* This file is a modified version of the strftime.c file from the BSD 4.4
10	* source. See the copyright notice below for details on redistribution
11	* restrictions. The "license.terms" file does not apply to this file.
12	*
13	* RCS: @(#) $Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $
14	*/
15
16	/*
17	* Copyright (c) 1989 The Regents of the University of California.
18	* All rights reserved.
19	*
20	* Redistribution and use in source and binary forms, with or without
21	* modification, are permitted provided that the following conditions
22	* are met:
23	* 1. Redistributions of source code must retain the above copyright
24	* notice, this list of conditions and the following disclaimer.
25	* 2. Redistributions in binary form must reproduce the above copyright
26	* notice, this list of conditions and the following disclaimer in the
27	* documentation and/or other materials provided with the distribution.
28	* 3. All advertising materials mentioning features or use of this software
29	* must display the following acknowledgement:
30	* This product includes software developed by the University of
31	* California, Berkeley and its contributors.
32	* 4. Neither the name of the University nor the names of its contributors
33	* may be used to endorse or promote products derived from this software
34	* without specific prior written permission.
35	*
36	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
37	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
39	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
40	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
41	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
42	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
44	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
45	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
46	* SUCH DAMAGE.
47	*/
48
49	#if defined(LIBC_SCCS)
50	static char *rcsid = "$Id: strftime.c,v 1.1.1.1 2001/06/13 04:32:38 dtashley Exp $";
51	#endif /* LIBC_SCCS */
52
53	#include <time.h>
54	#include <string.h>
55	#include <locale.h>
56	#include "tclInt.h"
57	#include "tclPort.h"
58
59	#define TM_YEAR_BASE 1900
60	#define IsLeapYear(x) ((x % 4 == 0) && (x % 100 != 0 \|\| x % 400 == 0))
61
62	typedef struct {
63	const char *abday[7];
64	const char *day[7];
65	const char *abmon[12];
66	const char *mon[12];
67	const char *am_pm[2];
68	const char *d_t_fmt;
69	const char *d_fmt;
70	const char *t_fmt;
71	const char *t_fmt_ampm;
72	} _TimeLocale;
73
74	static const _TimeLocale _DefaultTimeLocale =
75	{
76	{
77	"Sun","Mon","Tue","Wed","Thu","Fri","Sat",
78	},
79	{
80	"Sunday", "Monday", "Tuesday", "Wednesday", "Thursday",
81	"Friday", "Saturday"
82	},
83	{
84	"Jan", "Feb", "Mar", "Apr", "May", "Jun",
85	"Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
86	},
87	{
88	"January", "February", "March", "April", "May", "June", "July",
89	"August", "September", "October", "November", "December"
90	},
91	{
92	"AM", "PM"
93	},
94	"%a %b %d %H:%M:%S %Y",
95	"%m/%d/%y",
96	"%H:%M:%S",
97	"%I:%M:%S %p"
98	};
99
100	static const _TimeLocale *_CurrentTimeLocale = &_DefaultTimeLocale;
101
102	static size_t gsize;
103	static char *pt;
104	static int _add _ANSI_ARGS_((const char* str));
105	static int _conv _ANSI_ARGS_((int n, int digits, int pad));
106	static int _secs _ANSI_ARGS_((const struct tm *t));
107	static size_t _fmt _ANSI_ARGS_((const char *format,
108	const struct tm *t));
109
110	size_t
111	TclpStrftime(s, maxsize, format, t)
112	char *s;
113	size_t maxsize;
114	const char *format;
115	const struct tm *t;
116	{
117	if (format[0] == '%' && format[1] == 'Q') {
118	/* Format as a stardate */
119	sprintf(s, "Stardate %2d%03d.%01d",
120	(((t->tm_year + TM_YEAR_BASE) + 377) - 2323),
121	(((t->tm_yday + 1) * 1000) /
122	(365 + IsLeapYear((t->tm_year + TM_YEAR_BASE)))),
123	(((t->tm_hour * 60) + t->tm_min)/144));
124	return(strlen(s));
125	}
126
127	tzset();
128
129	pt = s;
130	if ((gsize = maxsize) < 1)
131	return(0);
132	if (_fmt(format, t)) {
133	*pt = '\0';
134	return(maxsize - gsize);
135	}
136	return(0);
137	}
138
139	#define SUN_WEEK(t) (((t)->tm_yday + 7 - \
140	((t)->tm_wday)) / 7)
141	#define MON_WEEK(t) (((t)->tm_yday + 7 - \
142	((t)->tm_wday ? (t)->tm_wday - 1 : 6)) / 7)
143
144	static size_t
145	_fmt(format, t)
146	const char *format;
147	const struct tm *t;
148	{
149	for (; *format; ++format) {
150	if (*format == '%') {
151	++format;
152	if (*format == 'E') {
153	/* Alternate Era */
154	++format;
155	} else if (*format == 'O') {
156	/* Alternate numeric symbols */
157	++format;
158	}
159	switch(*format) {
160	case '\0':
161	--format;
162	break;
163	case 'A':
164	if (t->tm_wday < 0 \|\| t->tm_wday > 6)
165	return(0);
166	if (!_add(_CurrentTimeLocale->day[t->tm_wday]))
167	return(0);
168	continue;
169	case 'a':
170	if (t->tm_wday < 0 \|\| t->tm_wday > 6)
171	return(0);
172	if (!_add(_CurrentTimeLocale->abday[t->tm_wday]))
173	return(0);
174	continue;
175	case 'B':
176	if (t->tm_mon < 0 \|\| t->tm_mon > 11)
177	return(0);
178	if (!_add(_CurrentTimeLocale->mon[t->tm_mon]))
179	return(0);
180	continue;
181	case 'b':
182	case 'h':
183	if (t->tm_mon < 0 \|\| t->tm_mon > 11)
184	return(0);
185	if (!_add(_CurrentTimeLocale->abmon[t->tm_mon]))
186	return(0);
187	continue;
188	case 'C':
189	if (!_conv((t->tm_year + TM_YEAR_BASE) / 100,
190	2, '0'))
191	return(0);
192	continue;
193	case 'c':
194	if (!_fmt(_CurrentTimeLocale->d_t_fmt, t))
195	return(0);
196	continue;
197	case 'D':
198	if (!_fmt("%m/%d/%y", t))
199	return(0);
200	continue;
201	case 'd':
202	if (!_conv(t->tm_mday, 2, '0'))
203	return(0);
204	continue;
205	case 'e':
206	if (!_conv(t->tm_mday, 2, ' '))
207	return(0);
208	continue;
209	case 'H':
210	if (!_conv(t->tm_hour, 2, '0'))
211	return(0);
212	continue;
213	case 'I':
214	if (!_conv(t->tm_hour % 12 ?
215	t->tm_hour % 12 : 12, 2, '0'))
216	return(0);
217	continue;
218	case 'j':
219	if (!_conv(t->tm_yday + 1, 3, '0'))
220	return(0);
221	continue;
222	case 'k':
223	if (!_conv(t->tm_hour, 2, ' '))
224	return(0);
225	continue;
226	case 'l':
227	if (!_conv(t->tm_hour % 12 ?
228	t->tm_hour % 12: 12, 2, ' '))
229	return(0);
230	continue;
231	case 'M':
232	if (!_conv(t->tm_min, 2, '0'))
233	return(0);
234	continue;
235	case 'm':
236	if (!_conv(t->tm_mon + 1, 2, '0'))
237	return(0);
238	continue;
239	case 'n':
240	if (!_add("\n"))
241	return(0);
242	continue;
243	case 'p':
244	if (!_add(_CurrentTimeLocale->am_pm[t->tm_hour >= 12]))
245	return(0);
246	continue;
247	case 'R':
248	if (!_fmt("%H:%M", t))
249	return(0);
250	continue;
251	case 'r':
252	if (!_fmt(_CurrentTimeLocale->t_fmt_ampm, t))
253	return(0);
254	continue;
255	case 'S':
256	if (!_conv(t->tm_sec, 2, '0'))
257	return(0);
258	continue;
259	case 's':
260	if (!_secs(t))
261	return(0);
262	continue;
263	case 'T':
264	if (!_fmt("%H:%M:%S", t))
265	return(0);
266	continue;
267	case 't':
268	if (!_add("\t"))
269	return(0);
270	continue;
271	case 'U':
272	if (!_conv(SUN_WEEK(t), 2, '0'))
273	return(0);
274	continue;
275	case 'u':
276	if (!_conv(t->tm_wday ? t->tm_wday : 7, 1, '0'))
277	return(0);
278	continue;
279	case 'V':
280	{
281	/* ISO 8601 Week Of Year:
282	If the week (Monday - Sunday) containing
283	January 1 has four or more days in the new
284	year, then it is week 1; otherwise it is
285	week 53 of the previous year and the next
286	week is week one. */
287
288	int week = MON_WEEK(t);
289
290	int days = (((t)->tm_yday + 7 - \
291	((t)->tm_wday ? (t)->tm_wday - 1 : 6)) % 7);
292
293
294	if (days >= 4) {
295	week++;
296	} else if (week == 0) {
297	week = 53;
298	}
299
300	if (!_conv(week, 2, '0'))
301	return(0);
302	continue;
303	}
304	case 'W':
305	if (!_conv(MON_WEEK(t), 2, '0'))
306	return(0);
307	continue;
308	case 'w':
309	if (!_conv(t->tm_wday, 1, '0'))
310	return(0);
311	continue;
312	case 'x':
313	if (!_fmt(_CurrentTimeLocale->d_fmt, t))
314	return(0);
315	continue;
316	case 'X':
317	if (!_fmt(_CurrentTimeLocale->t_fmt, t))
318	return(0);
319	continue;
320	case 'y':
321	if (!_conv((t->tm_year + TM_YEAR_BASE) % 100,
322	2, '0'))
323	return(0);
324	continue;
325	case 'Y':
326	if (!_conv((t->tm_year + TM_YEAR_BASE), 4, '0'))
327	return(0);
328	continue;
329	#ifndef MAC_TCL
330	case 'Z': {
331	char *name = TclpGetTZName(t->tm_isdst);
332	if (name && !_add(name)) {
333	return 0;
334	}
335	continue;
336	}
337	#endif
338	case '%':
339	/*
340	* X311J/88-090 (4.12.3.5): if conversion char is
341	* undefined, behavior is undefined. Print out the
342	* character itself as printf(3) does.
343	*/
344	default:
345	break;
346	}
347	}
348	if (!gsize--)
349	return(0);
350	pt++ = format;
351	}
352	return(gsize);
353	}
354
355	static int
356	_secs(t)
357	const struct tm *t;
358	{
359	static char buf[15];
360	register time_t s;
361	register char *p;
362	struct tm tmp;
363
364	/* Make a copy, mktime(3) modifies the tm struct. */
365	tmp = *t;
366	s = mktime(&tmp);
367	for (p = buf + sizeof(buf) - 2; s > 0 && p > buf; s /= 10)
368	*p-- = (char)(s % 10 + '0');
369	return(_add(++p));
370	}
371
372	static int
373	_conv(n, digits, pad)
374	int n, digits;
375	int pad;
376	{
377	static char buf[10];
378	register char *p;
379
380	for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits)
381	*p-- = (char)(n % 10 + '0');
382	while (p > buf && digits-- > 0)
383	*p-- = (char) pad;
384	return(_add(++p));
385	}
386
387	static int
388	_add(str)
389	const char *str;
390	{
391	for (;; ++pt, --gsize) {
392	if (!gsize)
393	return(0);
394	if (!(pt = str++))
395	return(1);
396	}
397	}
398
399	/* $History: strftime.c $
400	*
401	* *************** Version 1 ***************
402	* User: Dtashley Date: 1/02/01 Time: 12:17a
403	* Created in $/IjuScripter, IjuConsole/Source/Tcl Base
404	* Initial check-in.
405	*/
406
407	/* End of STRFTIME.C */