diff options
Diffstat (limited to 'crypto/heimdal/lib/roken/strptime.c')
-rw-r--r-- | crypto/heimdal/lib/roken/strptime.c | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/crypto/heimdal/lib/roken/strptime.c b/crypto/heimdal/lib/roken/strptime.c deleted file mode 100644 index 36f0822431f8..000000000000 --- a/crypto/heimdal/lib/roken/strptime.c +++ /dev/null @@ -1,444 +0,0 @@ -/* - * Copyright (c) 1999 Kungliga Tekniska Högskolan - * (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. */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <ctype.h> -#include "roken.h" - -RCSID("$Id: strptime.c,v 1.2 1999/11/12 15:29:55 assar Exp $"); - -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", - "Mars", - "April", - "May", - "June", - "July", - "August", - "September", - "October", - "November", - "December", - NULL, -}; - -static const char *ampm[] = { - "am", - "pm", - NULL -}; - -/* - * Try to match `*buf' to one of the strings in `strs'. Return the - * index of the matching string (or -1 if none). Also advance buf. - */ - -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; -} - -/* - * tm_year is relative this year */ - -const int tm_year_base = 1900; - -/* - * Return TRUE iff `year' was a leap year. - */ - -static int -is_leap_year (int year) -{ - return (year % 4) == 0 && ((year % 100) != 0 || (year % 400) == 0); -} - -/* - * Return the weekday [0,6] (0 = Sunday) of the first day of `year' - */ - -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]) - */ - -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]) - */ - -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]) - */ - -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; - } -} - -/* - * - */ - -char * -strptime (const char *buf, const char *format, 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' : - abort (); - 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' : - abort (); - 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; -} |