diff options
Diffstat (limited to 'lib/libc/string')
| -rw-r--r-- | lib/libc/string/strftime.3 | 186 | ||||
| -rw-r--r-- | lib/libc/string/strftime.c | 292 |
2 files changed, 0 insertions, 478 deletions
diff --git a/lib/libc/string/strftime.3 b/lib/libc/string/strftime.3 deleted file mode 100644 index 3da35a1..0000000 --- a/lib/libc/string/strftime.3 +++ /dev/null @@ -1,186 +0,0 @@ -.\" Copyright (c) 1989, 1991, 1993 -.\" The Regents of the University of California. All rights reserved. -.\" -.\" This code is derived from software contributed to Berkeley by -.\" the American National Standards Committee X3, on Information -.\" Processing Systems. -.\" -.\" 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. -.\" -.\" @(#)strftime.3 8.1 (Berkeley) 6/4/93 -.\" -.Dd June 4, 1993 -.Dt STRFTIME 3 -.Os -.Sh NAME -.Nm strftime -.Nd format date and time -.Sh SYNOPSIS -.Fd #include <sys/types.h> -.Fd #include <time.h> -.Fd #include <string.h> -.Ft size_t -.Fn strftime "char *buf" "size_t maxsize" "const char *format" "const struct tm *timeptr" -.Sh DESCRIPTION -The -.Fn strftime -function formats the information from -.Fa timeptr -into the buffer -.Fa buf -according to the string pointed to by -.Fa format . -.Pp -The -.Fa format -string consists of zero or more conversion specifications and -ordinary characters. -All ordinary characters are copied directly into the buffer. -A conversion specification consists of a percent sign -.Dq Ql % -and one other character. -.Pp -No more than -.Fa maxsize -characters will be placed into the array. -If the total number of resulting characters, including the terminating -null character, is not more than -.Fa maxsize , -.Fn strftime -returns the number of characters in the array, not counting the -terminating null. -Otherwise, zero is returned. -.Pp -Each conversion specification is replaced by the characters as -follows which are then copied into the buffer. -.Bl -tag -width "xxxx" -.It Cm \&%A -is replaced by the full weekday name. -.It Cm %a -is replaced by the abbreviated weekday name, where the abbreviation -is the first three characters. -.It Cm \&%B -is replaced by the full month name. -.It Cm %b or %h -is replaced by the abbreviated month name, where the abbreviation is -the first three characters. -.It Cm \&%C -is equivalent to -.Dq Li %a %b %e %H:%M:%S %Y -(the format produced by -.Xr asctime 3 . -.It Cm %c -is equivalent to -.Dq Li %m/%d/%y . -.It Cm \&%D -is replaced by the date in the format -.Dq Ql mm/dd/yy . -.It Cm %d -is replaced by the day of the month as a decimal number (01-31). -.It Cm %e -is replaced by the day of month as a decimal number (1-31); single -digits are preceded by a blank. -.It Cm \&%H -is replaced by the hour (24-hour clock) as a decimal number (00-23). -.It Cm \&%I -is replaced by the hour (12-hour clock) as a decimal number (01-12). -.It Cm %j -is replaced by the day of the year as a decimal number (001-366). -.It Cm %k -is replaced by the hour (24-hour clock) as a decimal number (0-23); -single digits are preceded by a blank. -.It Cm %l -is replaced by the hour (12-hour clock) as a decimal number (1-12); -single digits are preceded by a blank. -.It Cm \&%M -is replaced by the minute as a decimal number (00-59). -.It Cm %m -is replaced by the month as a decimal number (01-12). -.It Cm %n -is replaced by a newline. -.It Cm %p -is replaced by either -.Dq Tn AM -or -.Dq Tn PM -as appropriate. -.It Cm \&%R -is equivalent to -.Dq Li %H:%M -.It Cm %r -is equivalent to -.Dq Li %I:%M:%S %p . -.It Cm %t -is replaced by a tab. -.It Cm \&%S -is replaced by the second as a decimal number (00-60). -.It Cm %s -is replaced by the number of seconds since the Epoch, UCT (see -.Xr mktime 3 ) . -.It Cm \&%T No or Cm \&%X -is equivalent to -.Dq Li %H:%M:%S . -.It Cm \&%U -is replaced by the week number of the year (Sunday as the first day of -the week) as a decimal number (00-53). -.It Cm \&%W -is replaced by the week number of the year (Monday as the first day of -the week) as a decimal number (00-53). -.It Cm %w -is replaced by the weekday (Sunday as the first day of the week) -as a decimal number (0-6). -.It Cm %x -is equivalent to -.Dq Li %m/%d/%y %H:%M:%S . -.It Cm \&%Y -is replaced by the year with century as a decimal number. -.It Cm %y -is replaced by the year without century as a decimal number (00-99). -.It Cm \&%Z -is replaced by the time zone name. -.It Cm %% -is replaced by -.Ql % . -.El -.Sh SEE ALSO -.Xr date 1 , -.Xr ctime 3 , -.Xr printf 1 , -.Xr printf 3 -.Sh STANDARDS -The -.Fn strftime -function -conforms to -.St -ansiC . -The -.Ql %s -conversion specification is an extension. -.Sh BUGS -There is no conversion specification for the phase of the moon. diff --git a/lib/libc/string/strftime.c b/lib/libc/string/strftime.c deleted file mode 100644 index b39aeeb..0000000 --- a/lib/libc/string/strftime.c +++ /dev/null @@ -1,292 +0,0 @@ -/* - * Copyright (c) 1989, 1993 - * 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) && !defined(lint) -static char sccsid[] = "@(#)strftime.c 8.1 (Berkeley) 6/4/93"; -#endif /* LIBC_SCCS and not lint */ - -#include <sys/types.h> -#include <sys/time.h> -#include <tzfile.h> -#include <string.h> - -static char *afmt[] = { - "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", -}; -static char *Afmt[] = { - "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", - "Saturday", -}; -static char *bfmt[] = { - "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", - "Oct", "Nov", "Dec", -}; -static char *Bfmt[] = { - "January", "February", "March", "April", "May", "June", "July", - "August", "September", "October", "November", "December", -}; - -static size_t gsize; -static char *pt; -static int _add __P((char *)); -static int _conv __P((int, int, int)); -static int _secs __P((const struct tm *)); -static size_t _fmt __P((const char *, const struct tm *)); - -size_t -strftime(s, maxsize, format, t) - char *s; - size_t maxsize; - const char *format; - const struct tm *t; -{ - - pt = s; - if ((gsize = maxsize) < 1) - return(0); - if (_fmt(format, t)) { - *pt = '\0'; - return(maxsize - gsize); - } - return(0); -} - -static size_t -_fmt(format, t) - register const char *format; - const struct tm *t; -{ - for (; *format; ++format) { - if (*format == '%') - switch(*++format) { - case '\0': - --format; - break; - case 'A': - if (t->tm_wday < 0 || t->tm_wday > 6) - return(0); - if (!_add(Afmt[t->tm_wday])) - return(0); - continue; - case 'a': - if (t->tm_wday < 0 || t->tm_wday > 6) - return(0); - if (!_add(afmt[t->tm_wday])) - return(0); - continue; - case 'B': - if (t->tm_mon < 0 || t->tm_mon > 11) - return(0); - if (!_add(Bfmt[t->tm_mon])) - return(0); - continue; - case 'b': - case 'h': - if (t->tm_mon < 0 || t->tm_mon > 11) - return(0); - if (!_add(bfmt[t->tm_mon])) - return(0); - continue; - case 'C': - if (!_fmt("%a %b %e %H:%M:%S %Y", t)) - return(0); - continue; - case 'c': - if (!_fmt("%m/%d/%y %H:%M:%S", 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(t->tm_hour >= 12 ? "PM" : "AM")) - return(0); - continue; - case 'R': - if (!_fmt("%H:%M", t)) - return(0); - continue; - case 'r': - if (!_fmt("%I:%M:%S %p", 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': - case 'X': - if (!_fmt("%H:%M:%S", t)) - return(0); - continue; - case 't': - if (!_add("\t")) - return(0); - continue; - case 'U': - if (!_conv((t->tm_yday + 7 - t->tm_wday) / 7, - 2, '0')) - return(0); - continue; - case 'W': - if (!_conv((t->tm_yday + 7 - - (t->tm_wday ? (t->tm_wday - 1) : 6)) - / 7, 2, '0')) - return(0); - continue; - case 'w': - if (!_conv(t->tm_wday, 1, '0')) - return(0); - continue; - case 'x': - if (!_fmt("%m/%d/%y", 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; - case 'Z': - if (!t->tm_zone || !_add(t->tm_zone)) - return(0); - continue; - 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-- = s % 10 + '0'; - return(_add(++p)); -} - -static int -_conv(n, digits, pad) - int n, digits, pad; -{ - static char buf[10]; - register char *p; - - for (p = buf + sizeof(buf) - 2; n > 0 && p > buf; n /= 10, --digits) - *p-- = n % 10 + '0'; - while (p > buf && digits-- > 0) - *p-- = pad; - return(_add(++p)); -} - -static int -_add(str) - register char *str; -{ - for (;; ++pt, --gsize) { - if (!gsize) - return(0); - if (!(*pt = *str++)) - return(1); - } -} |
