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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [time/] [strptime.c] - Blame information for rev 171

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/*
 * Copyright (c) 1999 Kungliga Tekniska H�gskolan
 * (Royal Institute of Technology, Stockholm, Sweden).
 * 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. Neither the name of KTH 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 KTH AND ITS 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 KTH OR ITS 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. */
 
#include <stddef.h>
#include <stdio.h>
#include <time.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
 
static const char *abb_weekdays[] = {
    "Sun",
    "Mon",
    "Tue",
    "Wed",
    "Thu",
    "Fri",
    "Sat",
    NULL
};
 
static const char *full_weekdays[] = {
    "Sunday",
    "Monday",
    "Tuesday",
    "Wednesday",
    "Thursday",
    "Friday",
    "Saturday",
    NULL
};
 
static const char *abb_month[] = {
    "Jan",
    "Feb",
    "Mar",
    "Apr",
    "May",
    "Jun",
    "Jul",
    "Aug",
    "Sep",
    "Oct",
    "Nov",
    "Dec",
    NULL
};
 
static const char *full_month[] = {
    "January",
    "February",
    "March",
    "April",
    "May",
    "June",
    "July",
    "August",
    "September",
    "October",
    "November",
    "December",
    NULL,
};
 
static const char *ampm[] = {
    "am",
    "pm",
    NULL
};
 
/*
 * tm_year is relative this year
 */
const int tm_year_base = 1900;
 
/*
 * Return TRUE iff `year' was a leap year.
 * Needed for strptime.
 */
static int
is_leap_year (int year)
{
    return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0);
}
 
/* Needed for strptime. */
static int
match_string (const char **buf, const char **strs)
{
    int i = 0;
 
    for (i = 0; strs[i] != NULL; ++i) {
        int len = strlen (strs[i]);
 
        if (strncasecmp (*buf, strs[i], len) == 0) {
            *buf += len;
            return i;
        }
    }
    return -1;
}
 
/* Needed for strptime. */
static int
first_day (int year)
{
    int ret = 4;
 
    for (; year > 1970; --year)
        ret = (ret + 365 + is_leap_year (year) ? 1 : 0) % 7;
    return ret;
}
 
/*
 * Set `timeptr' given `wnum' (week number [0, 53])
 * Needed for strptime
 */
 
static void
set_week_number_sun (struct tm *timeptr, int wnum)
{
    int fday = first_day (timeptr->tm_year + tm_year_base);
 
    timeptr->tm_yday = wnum * 7 + timeptr->tm_wday - fday;
    if (timeptr->tm_yday < 0) {
        timeptr->tm_wday = fday;
        timeptr->tm_yday = 0;
    }
}
 
/*
 * Set `timeptr' given `wnum' (week number [0, 53])
 * Needed for strptime
 */
 
static void
set_week_number_mon (struct tm *timeptr, int wnum)
{
    int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
 
    timeptr->tm_yday = wnum * 7 + (timeptr->tm_wday + 6) % 7 - fday;
    if (timeptr->tm_yday < 0) {
        timeptr->tm_wday = (fday + 1) % 7;
        timeptr->tm_yday = 0;
    }
}
 
/*
 * Set `timeptr' given `wnum' (week number [0, 53])
 * Needed for strptime
 */
static void
set_week_number_mon4 (struct tm *timeptr, int wnum)
{
    int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;
    int offset = 0;
 
    if (fday < 4)
        offset += 7;
 
    timeptr->tm_yday = offset + (wnum - 1) * 7 + timeptr->tm_wday - fday;
    if (timeptr->tm_yday < 0) {
        timeptr->tm_wday = fday;
        timeptr->tm_yday = 0;
    }
}
 
/* strptime: roken */
//extern "C"
char *
//strptime (const char *buf, const char *format, struct tm *timeptr)
_DEFUN (strptime, (buf, format, timeptr),
        _CONST char *buf _AND
        _CONST char *format _AND
        struct tm *timeptr)
{
    char c;
 
    for (; (c = *format) != '\0'; ++format) {
        char *s;
        int ret;
 
        if (isspace (c)) {
            while (isspace (*buf))
                ++buf;
        } else if (c == '%' && format[1] != '\0') {
            c = *++format;
            if (c == 'E' || c == 'O')
                c = *++format;
            switch (c) {
            case 'A' :
                ret = match_string (&buf, full_weekdays);
                if (ret < 0)
                    return NULL;
                timeptr->tm_wday = ret;
                break;
            case 'a' :
                ret = match_string (&buf, abb_weekdays);
                if (ret < 0)
                    return NULL;
                timeptr->tm_wday = ret;
                break;
            case 'B' :
                ret = match_string (&buf, full_month);
                if (ret < 0)
                    return NULL;
                timeptr->tm_mon = ret;
                break;
            case 'b' :
            case 'h' :
                ret = match_string (&buf, abb_month);
                if (ret < 0)
                    return NULL;
                timeptr->tm_mon = ret;
                break;
            case 'C' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_year = (ret * 100) - tm_year_base;
                buf = s;
                break;
            case 'c' :          /* %a %b %e %H:%M:%S %Y */
                s = strptime (buf, "%a %b %e %H:%M:%S %Y", timeptr);
                if (s == NULL)
                    return NULL;
                buf = s;
                break;
            case 'D' :          /* %m/%d/%y */
                s = strptime (buf, "%m/%d/%y", timeptr);
                if (s == NULL)
                    return NULL;
                buf = s;
                break;
            case 'd' :
            case 'e' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_mday = ret;
                buf = s;
                break;
            case 'H' :
            case 'k' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_hour = ret;
                buf = s;
                break;
            case 'I' :
            case 'l' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                if (ret == 12)
                    timeptr->tm_hour = 0;
                else
                    timeptr->tm_hour = ret;
                buf = s;
                break;
            case 'j' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_yday = ret - 1;
                buf = s;
                break;
            case 'm' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_mon = ret - 1;
                buf = s;
                break;
            case 'M' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_min = ret;
                buf = s;
                break;
            case 'n' :
                if (*buf == '\n')
                    ++buf;
                else
                    return NULL;
                break;
            case 'p' :
                ret = match_string (&buf, ampm);
                if (ret < 0)
                    return NULL;
                if (timeptr->tm_hour == 0) {
                    if (ret == 1)
                        timeptr->tm_hour = 12;
                } else
                    timeptr->tm_hour += 12;
                break;
            case 'r' :          /* %I:%M:%S %p */
                s = strptime (buf, "%I:%M:%S %p", timeptr);
                if (s == NULL)
                    return NULL;
                buf = s;
                break;
            case 'R' :          /* %H:%M */
                s = strptime (buf, "%H:%M", timeptr);
                if (s == NULL)
                    return NULL;
                buf = s;
                break;
            case 'S' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_sec = ret;
                buf = s;
                break;
            case 't' :
                if (*buf == '\t')
                    ++buf;
                else
                    return NULL;
                break;
            case 'T' :          /* %H:%M:%S */
            case 'X' :
                s = strptime (buf, "%H:%M:%S", timeptr);
                if (s == NULL)
                    return NULL;
                buf = s;
                break;
            case 'u' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_wday = ret - 1;
                buf = s;
                break;
            case 'w' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_wday = ret;
                buf = s;
                break;
            case 'U' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                set_week_number_sun (timeptr, ret);
                buf = s;
                break;
            case 'V' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                set_week_number_mon4 (timeptr, ret);
                buf = s;
                break;
            case 'W' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                set_week_number_mon (timeptr, ret);
                buf = s;
                break;
            case 'x' :
                s = strptime (buf, "%Y:%m:%d", timeptr);
                if (s == NULL)
                    return NULL;
                buf = s;
                break;
            case 'y' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                if (ret < 70)
                    timeptr->tm_year = 100 + ret;
                else
                    timeptr->tm_year = ret;
                buf = s;
                break;
            case 'Y' :
                ret = strtol (buf, &s, 10);
                if (s == buf)
                    return NULL;
                timeptr->tm_year = ret - tm_year_base;
                buf = s;
                break;
            case 'Z' :
                /* Unsupported. Just ignore.  */
                break;
            case '\0' :
                --format;
                /* FALLTHROUGH */
            case '%' :
                if (*buf == '%')
                    ++buf;
                else
                    return NULL;
                break;
            default :
                if (*buf == '%' || *++buf == c)
                    ++buf;
                else
                    return NULL;
                break;
            }
        } else {
            if (*buf == c)
                ++buf;
            else
                return NULL;
        }
    }
    return (char *)buf;
}
 

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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [time/] [strptime.c] - Blame information for rev 171

Line No.	Rev	Author	Line
1	148	jeremybenn	`/*`
2			`* Copyright (c) 1999 Kungliga Tekniska H�gskolan`
3			`* (Royal Institute of Technology, Stockholm, Sweden).`
4			`* All rights reserved.`
5			`*`
6			`* Redistribution and use in source and binary forms, with or without`
7			`* modification, are permitted provided that the following conditions`
8			`* are met:`
9			`*`
10			`* 1. Redistributions of source code must retain the above copyright`
11			`* notice, this list of conditions and the following disclaimer.`
12			`*`
13			`* 2. Redistributions in binary form must reproduce the above copyright`
14			`* notice, this list of conditions and the following disclaimer in the`
15			`* documentation and/or other materials provided with the distribution.`
16			`*`
17			`* 3. Neither the name of KTH nor the names of its contributors may be`
18			`* used to endorse or promote products derived from this software without`
19			`* specific prior written permission.`
20			`*`
21			* THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22			`* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE`
23			`* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR`
24			`* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE`
25			`* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR`
26			`* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF`
27			`* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR`
28			`* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,`
29			`* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR`
30			`* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF`
31			`* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */`
32
33			`#include <stddef.h>`
34			`#include <stdio.h>`
35			`#include <time.h>`
36			`#include <string.h>`
37			`#include <ctype.h>`
38			`#include <stdlib.h>`
39
40			`static const char *abb_weekdays[] = {`
41			`"Sun",`
42			`"Mon",`
43			`"Tue",`
44			`"Wed",`
45			`"Thu",`
46			`"Fri",`
47			`"Sat",`
48			`NULL`
49			`};`
50
51			`static const char *full_weekdays[] = {`
52			`"Sunday",`
53			`"Monday",`
54			`"Tuesday",`
55			`"Wednesday",`
56			`"Thursday",`
57			`"Friday",`
58			`"Saturday",`
59			`NULL`
60			`};`
61
62			`static const char *abb_month[] = {`
63			`"Jan",`
64			`"Feb",`
65			`"Mar",`
66			`"Apr",`
67			`"May",`
68			`"Jun",`
69			`"Jul",`
70			`"Aug",`
71			`"Sep",`
72			`"Oct",`
73			`"Nov",`
74			`"Dec",`
75			`NULL`
76			`};`
77
78			`static const char *full_month[] = {`
79			`"January",`
80			`"February",`
81			`"March",`
82			`"April",`
83			`"May",`
84			`"June",`
85			`"July",`
86			`"August",`
87			`"September",`
88			`"October",`
89			`"November",`
90			`"December",`
91			`NULL,`
92			`};`
93
94			`static const char *ampm[] = {`
95			`"am",`
96			`"pm",`
97			`NULL`
98			`};`
99
100			`/*`
101			`* tm_year is relative this year`
102			`*/`
103			`const int tm_year_base = 1900;`
104
105			`/*`
106			* Return TRUE iff `year' was a leap year.
107			`* Needed for strptime.`
108			`*/`
109			`static int`
110			`is_leap_year (int year)`
111			`{`
112			`return (year % 4) == 0 && ((year % 100) != 0 \|\| (year % 400) == 0);`
113			`}`
114
115			`/* Needed for strptime. */`
116			`static int`
117			`match_string (const char buf, const char strs)`
118			`{`
119			`int i = 0;`
120
121			`for (i = 0; strs[i] != NULL; ++i) {`
122			`int len = strlen (strs[i]);`
123
124			`if (strncasecmp (*buf, strs[i], len) == 0) {`
125			`*buf += len;`
126			`return i;`
127			`}`
128			`}`
129			`return -1;`
130			`}`
131
132			`/* Needed for strptime. */`
133			`static int`
134			`first_day (int year)`
135			`{`
136			`int ret = 4;`
137
138			`for (; year > 1970; --year)`
139			`ret = (ret + 365 + is_leap_year (year) ? 1 : 0) % 7;`
140			`return ret;`
141			`}`
142
143			`/*`
144			* Set `timeptr' given `wnum' (week number [0, 53])
145			`* Needed for strptime`
146			`*/`
147
148			`static void`
149			`set_week_number_sun (struct tm *timeptr, int wnum)`
150			`{`
151			`int fday = first_day (timeptr->tm_year + tm_year_base);`
152
153			`timeptr->tm_yday = wnum * 7 + timeptr->tm_wday - fday;`
154			`if (timeptr->tm_yday < 0) {`
155			`timeptr->tm_wday = fday;`
156			`timeptr->tm_yday = 0;`
157			`}`
158			`}`
159
160			`/*`
161			* Set `timeptr' given `wnum' (week number [0, 53])
162			`* Needed for strptime`
163			`*/`
164
165			`static void`
166			`set_week_number_mon (struct tm *timeptr, int wnum)`
167			`{`
168			`int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;`
169
170			`timeptr->tm_yday = wnum * 7 + (timeptr->tm_wday + 6) % 7 - fday;`
171			`if (timeptr->tm_yday < 0) {`
172			`timeptr->tm_wday = (fday + 1) % 7;`
173			`timeptr->tm_yday = 0;`
174			`}`
175			`}`
176
177			`/*`
178			* Set `timeptr' given `wnum' (week number [0, 53])
179			`* Needed for strptime`
180			`*/`
181			`static void`
182			`set_week_number_mon4 (struct tm *timeptr, int wnum)`
183			`{`
184			`int fday = (first_day (timeptr->tm_year + tm_year_base) + 6) % 7;`
185			`int offset = 0;`
186
187			`if (fday < 4)`
188			`offset += 7;`
189
190			`timeptr->tm_yday = offset + (wnum - 1) * 7 + timeptr->tm_wday - fday;`
191			`if (timeptr->tm_yday < 0) {`
192			`timeptr->tm_wday = fday;`
193			`timeptr->tm_yday = 0;`
194			`}`
195			`}`
196
197			`/* strptime: roken */`
198			`//extern "C"`
199			`char *`
200			`//strptime (const char buf, const char format, struct tm *timeptr)`
201			`_DEFUN (strptime, (buf, format, timeptr),`
202			`_CONST char *buf _AND`
203			`_CONST char *format _AND`
204			`struct tm *timeptr)`
205			`{`
206			`char c;`
207
208			`for (; (c = *format) != '\0'; ++format) {`
209			`char *s;`
210			`int ret;`
211
212			`if (isspace (c)) {`
213			`while (isspace (*buf))`
214			`++buf;`
215			`} else if (c == '%' && format[1] != '\0') {`
216			`c = *++format;`
217			`if (c == 'E' \|\| c == 'O')`
218			`c = *++format;`
219			`switch (c) {`
220			`case 'A' :`
221			`ret = match_string (&buf, full_weekdays);`
222			`if (ret < 0)`
223			`return NULL;`
224			`timeptr->tm_wday = ret;`
225			`break;`
226			`case 'a' :`
227			`ret = match_string (&buf, abb_weekdays);`
228			`if (ret < 0)`
229			`return NULL;`
230			`timeptr->tm_wday = ret;`
231			`break;`
232			`case 'B' :`
233			`ret = match_string (&buf, full_month);`
234			`if (ret < 0)`
235			`return NULL;`
236			`timeptr->tm_mon = ret;`
237			`break;`
238			`case 'b' :`
239			`case 'h' :`
240			`ret = match_string (&buf, abb_month);`
241			`if (ret < 0)`
242			`return NULL;`
243			`timeptr->tm_mon = ret;`
244			`break;`
245			`case 'C' :`
246			`ret = strtol (buf, &s, 10);`
247			`if (s == buf)`
248			`return NULL;`
249			`timeptr->tm_year = (ret * 100) - tm_year_base;`
250			`buf = s;`
251			`break;`
252			`case 'c' : /* %a %b %e %H:%M:%S %Y */`
253			`s = strptime (buf, "%a %b %e %H:%M:%S %Y", timeptr);`
254			`if (s == NULL)`
255			`return NULL;`
256			`buf = s;`
257			`break;`
258			`case 'D' : /* %m/%d/%y */`
259			`s = strptime (buf, "%m/%d/%y", timeptr);`
260			`if (s == NULL)`
261			`return NULL;`
262			`buf = s;`
263			`break;`
264			`case 'd' :`
265			`case 'e' :`
266			`ret = strtol (buf, &s, 10);`
267			`if (s == buf)`
268			`return NULL;`
269			`timeptr->tm_mday = ret;`
270			`buf = s;`
271			`break;`
272			`case 'H' :`
273			`case 'k' :`
274			`ret = strtol (buf, &s, 10);`
275			`if (s == buf)`
276			`return NULL;`
277			`timeptr->tm_hour = ret;`
278			`buf = s;`
279			`break;`
280			`case 'I' :`
281			`case 'l' :`
282			`ret = strtol (buf, &s, 10);`
283			`if (s == buf)`
284			`return NULL;`
285			`if (ret == 12)`
286			`timeptr->tm_hour = 0;`
287			`else`
288			`timeptr->tm_hour = ret;`
289			`buf = s;`
290			`break;`
291			`case 'j' :`
292			`ret = strtol (buf, &s, 10);`
293			`if (s == buf)`
294			`return NULL;`
295			`timeptr->tm_yday = ret - 1;`
296			`buf = s;`
297			`break;`
298			`case 'm' :`
299			`ret = strtol (buf, &s, 10);`
300			`if (s == buf)`
301			`return NULL;`
302			`timeptr->tm_mon = ret - 1;`
303			`buf = s;`
304			`break;`
305			`case 'M' :`
306			`ret = strtol (buf, &s, 10);`
307			`if (s == buf)`
308			`return NULL;`
309			`timeptr->tm_min = ret;`
310			`buf = s;`
311			`break;`
312			`case 'n' :`
313			`if (*buf == '\n')`
314			`++buf;`
315			`else`
316			`return NULL;`
317			`break;`
318			`case 'p' :`
319			`ret = match_string (&buf, ampm);`
320			`if (ret < 0)`
321			`return NULL;`
322			`if (timeptr->tm_hour == 0) {`
323			`if (ret == 1)`
324			`timeptr->tm_hour = 12;`
325			`} else`
326			`timeptr->tm_hour += 12;`
327			`break;`
328			`case 'r' : /* %I:%M:%S %p */`
329			`s = strptime (buf, "%I:%M:%S %p", timeptr);`
330			`if (s == NULL)`
331			`return NULL;`
332			`buf = s;`
333			`break;`
334			`case 'R' : /* %H:%M */`
335			`s = strptime (buf, "%H:%M", timeptr);`
336			`if (s == NULL)`
337			`return NULL;`
338			`buf = s;`
339			`break;`
340			`case 'S' :`
341			`ret = strtol (buf, &s, 10);`
342			`if (s == buf)`
343			`return NULL;`
344			`timeptr->tm_sec = ret;`
345			`buf = s;`
346			`break;`
347			`case 't' :`
348			`if (*buf == '\t')`
349			`++buf;`
350			`else`
351			`return NULL;`
352			`break;`
353			`case 'T' : /* %H:%M:%S */`
354			`case 'X' :`
355			`s = strptime (buf, "%H:%M:%S", timeptr);`
356			`if (s == NULL)`
357			`return NULL;`
358			`buf = s;`
359			`break;`
360			`case 'u' :`
361			`ret = strtol (buf, &s, 10);`
362			`if (s == buf)`
363			`return NULL;`
364			`timeptr->tm_wday = ret - 1;`
365			`buf = s;`
366			`break;`
367			`case 'w' :`
368			`ret = strtol (buf, &s, 10);`
369			`if (s == buf)`
370			`return NULL;`
371			`timeptr->tm_wday = ret;`
372			`buf = s;`
373			`break;`
374			`case 'U' :`
375			`ret = strtol (buf, &s, 10);`
376			`if (s == buf)`
377			`return NULL;`
378			`set_week_number_sun (timeptr, ret);`
379			`buf = s;`
380			`break;`
381			`case 'V' :`
382			`ret = strtol (buf, &s, 10);`
383			`if (s == buf)`
384			`return NULL;`
385			`set_week_number_mon4 (timeptr, ret);`
386			`buf = s;`
387			`break;`
388			`case 'W' :`
389			`ret = strtol (buf, &s, 10);`
390			`if (s == buf)`
391			`return NULL;`
392			`set_week_number_mon (timeptr, ret);`
393			`buf = s;`
394			`break;`
395			`case 'x' :`
396			`s = strptime (buf, "%Y:%m:%d", timeptr);`
397			`if (s == NULL)`
398			`return NULL;`
399			`buf = s;`
400			`break;`
401			`case 'y' :`
402			`ret = strtol (buf, &s, 10);`
403			`if (s == buf)`
404			`return NULL;`
405			`if (ret < 70)`
406			`timeptr->tm_year = 100 + ret;`
407			`else`
408			`timeptr->tm_year = ret;`
409			`buf = s;`
410			`break;`
411			`case 'Y' :`
412			`ret = strtol (buf, &s, 10);`
413			`if (s == buf)`
414			`return NULL;`
415			`timeptr->tm_year = ret - tm_year_base;`
416			`buf = s;`
417			`break;`
418			`case 'Z' :`
419			`/* Unsupported. Just ignore. */`
420			`break;`
421			`case '\0' :`
422			`--format;`
423			`/* FALLTHROUGH */`
424			`case '%' :`
425			`if (*buf == '%')`
426			`++buf;`
427			`else`
428			`return NULL;`
429			`break;`
430			`default :`
431			`if (buf == '%' \|\| ++buf == c)`
432			`++buf;`
433			`else`
434			`return NULL;`
435			`break;`
436			`}`
437			`} else {`
438			`if (*buf == c)`
439			`++buf;`
440			`else`
441			`return NULL;`
442			`}`
443			`}`
444			`return (char *)buf;`
445			`}`
446