324 lines
6.8 KiB
C
324 lines
6.8 KiB
C
/* $NetBSD: strptime.c,v 1.2 1997/05/06 13:06:48 kleink Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1994 Powerdog Industries. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, 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 Powerdog Industries.
|
|
* 4. The name of Powerdog Industries may not be used to endorse or
|
|
* promote products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY POWERDOG INDUSTRIES ``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 POWERDOG INDUSTRIES 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char copyright[] =
|
|
"@(#) Copyright (c) 1994 Powerdog Industries. All rights reserved.";
|
|
static char sccsid[] = "@(#)strptime.c 0.1 (Powerdog) 94/03/27";
|
|
#else
|
|
static char rcsid[] = "$NetBSD: strptime.c,v 1.2 1997/05/06 13:06:48 kleink Exp $";
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
#include <sys/localedef.h>
|
|
#include <locale.h>
|
|
#include <time.h>
|
|
#include <ctype.h>
|
|
#include <string.h>
|
|
|
|
char *
|
|
strptime(buf, fmt, tm)
|
|
const char *buf, *fmt;
|
|
struct tm *tm;
|
|
{
|
|
const char *ptr;
|
|
char c;
|
|
int i, len;
|
|
|
|
ptr = fmt;
|
|
while (*ptr != 0) {
|
|
if (*buf == 0)
|
|
break;
|
|
|
|
c = *ptr++;
|
|
|
|
if (c != '%') {
|
|
if (isspace(c))
|
|
while (*buf != 0 && isspace(*buf))
|
|
buf++;
|
|
else if (c != *buf++)
|
|
return (NULL);
|
|
continue;
|
|
}
|
|
|
|
c = *ptr++;
|
|
switch (c) {
|
|
case 0:
|
|
case '%':
|
|
if (*buf++ != '%')
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'c':
|
|
buf = strptime(buf, _CurrentTimeLocale->d_t_fmt, tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'D':
|
|
buf = strptime(buf, "%m/%d/%y", tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'R':
|
|
buf = strptime(buf, "%H:%M", tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'r':
|
|
buf = strptime(buf, _CurrentTimeLocale->t_fmt_ampm,tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'T':
|
|
buf = strptime(buf, "%H:%M:%S", tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'X':
|
|
buf = strptime(buf, _CurrentTimeLocale->t_fmt, tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'x':
|
|
buf = strptime(buf, _CurrentTimeLocale->d_fmt, tm);
|
|
if (buf == 0)
|
|
return (NULL);
|
|
break;
|
|
|
|
case 'j':
|
|
if (!isdigit(*buf))
|
|
return (NULL);
|
|
|
|
for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
|
|
i *= 10;
|
|
i += *buf - '0';
|
|
}
|
|
if (i > 366)
|
|
return (NULL);
|
|
|
|
tm->tm_yday = i;
|
|
break;
|
|
|
|
case 'M':
|
|
case 'S':
|
|
if (*buf == 0 || isspace(*buf))
|
|
break;
|
|
|
|
if (!isdigit(*buf))
|
|
return (NULL);
|
|
|
|
for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
|
|
i *= 10;
|
|
i += *buf - '0';
|
|
}
|
|
if (i > 59)
|
|
return (NULL);
|
|
|
|
if (c == 'M')
|
|
tm->tm_min = i;
|
|
else
|
|
tm->tm_sec = i;
|
|
|
|
if (*buf != 0 && isspace(*buf))
|
|
while (*ptr != 0 && !isspace(*ptr))
|
|
ptr++;
|
|
break;
|
|
|
|
case 'H':
|
|
case 'I':
|
|
case 'k':
|
|
case 'l':
|
|
if (!isdigit(*buf))
|
|
return (NULL);
|
|
|
|
for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
|
|
i *= 10;
|
|
i += *buf - '0';
|
|
}
|
|
if (c == 'H' || c == 'k') {
|
|
if (i > 23)
|
|
return (NULL);
|
|
} else if (i > 11)
|
|
return (NULL);
|
|
|
|
tm->tm_hour = i;
|
|
|
|
if (*buf != 0 && isspace(*buf))
|
|
while (*ptr != 0 && !isspace(*ptr))
|
|
ptr++;
|
|
break;
|
|
|
|
case 'p':
|
|
len = strlen(_CurrentTimeLocale->am_pm[0]);
|
|
if (strncasecmp(buf, _CurrentTimeLocale->am_pm[0],
|
|
len) == 0) {
|
|
if (tm->tm_hour > 12)
|
|
return (NULL);
|
|
if (tm->tm_hour == 12)
|
|
tm->tm_hour = 0;
|
|
buf += len;
|
|
break;
|
|
}
|
|
|
|
len = strlen(_CurrentTimeLocale->am_pm[1]);
|
|
if (strncasecmp(buf, _CurrentTimeLocale->am_pm[1],
|
|
len) == 0) {
|
|
if (tm->tm_hour > 12)
|
|
return (NULL);
|
|
if (tm->tm_hour != 12)
|
|
tm->tm_hour += 12;
|
|
buf += len;
|
|
break;
|
|
}
|
|
|
|
return (NULL);
|
|
|
|
case 'A':
|
|
case 'a':
|
|
for (i = 0; i < 7; i++) {
|
|
len = strlen(_CurrentTimeLocale->day[i]);
|
|
if (strncasecmp(buf,
|
|
_CurrentTimeLocale->day[i],
|
|
len) == 0)
|
|
break;
|
|
|
|
len = strlen(_CurrentTimeLocale->abday[i]);
|
|
if (strncasecmp(buf,
|
|
_CurrentTimeLocale->abday[i],
|
|
len) == 0)
|
|
break;
|
|
}
|
|
if (i == 7)
|
|
return (NULL);
|
|
|
|
tm->tm_wday = i;
|
|
buf += len;
|
|
break;
|
|
|
|
case 'd':
|
|
case 'e':
|
|
if (!isdigit(*buf))
|
|
return (NULL);
|
|
|
|
for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
|
|
i *= 10;
|
|
i += *buf - '0';
|
|
}
|
|
if (i > 31)
|
|
return (NULL);
|
|
|
|
tm->tm_mday = i;
|
|
|
|
if (*buf != 0 && isspace(*buf))
|
|
while (*ptr != 0 && !isspace(*ptr))
|
|
ptr++;
|
|
break;
|
|
|
|
case 'B':
|
|
case 'b':
|
|
case 'h':
|
|
for (i = 0; i < 12; i++) {
|
|
len = strlen(_CurrentTimeLocale->mon[i]);
|
|
if (strncasecmp(buf,
|
|
_CurrentTimeLocale->mon[i],
|
|
len) == 0)
|
|
break;
|
|
|
|
len = strlen(_CurrentTimeLocale->abmon[i]);
|
|
if (strncasecmp(buf,
|
|
_CurrentTimeLocale->abmon[i],
|
|
len) == 0)
|
|
break;
|
|
}
|
|
if (i == 12)
|
|
return (NULL);
|
|
|
|
tm->tm_mon = i;
|
|
buf += len;
|
|
break;
|
|
|
|
case 'm':
|
|
if (!isdigit(*buf))
|
|
return (NULL);
|
|
|
|
for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
|
|
i *= 10;
|
|
i += *buf - '0';
|
|
}
|
|
if (i < 1 || i > 12)
|
|
return (NULL);
|
|
|
|
tm->tm_mon = i - 1;
|
|
|
|
if (*buf != 0 && isspace(*buf))
|
|
while (*ptr != 0 && !isspace(*ptr))
|
|
ptr++;
|
|
break;
|
|
|
|
case 'Y':
|
|
case 'y':
|
|
if (*buf == 0 || isspace(*buf))
|
|
break;
|
|
|
|
if (!isdigit(*buf))
|
|
return (NULL);
|
|
|
|
for (i = 0; *buf != 0 && isdigit(*buf); buf++) {
|
|
i *= 10;
|
|
i += *buf - '0';
|
|
}
|
|
if (c == 'Y')
|
|
i -= 1900;
|
|
if (i < 0)
|
|
return (NULL);
|
|
|
|
tm->tm_year = i;
|
|
|
|
if (*buf != 0 && isspace(*buf))
|
|
while (*ptr != 0 && !isspace(*ptr))
|
|
ptr++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return ((char *)buf);
|
|
}
|