Walter Harms added -D to date, and I did a code cleanup while I was in the
area. Probably broke something...
This commit is contained in:
Rob Landley
parent
bf28ed8834
commit
c5789a6e23
126
coreutils/date.c
126
coreutils/date.c
@ -6,20 +6,7 @@
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*
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* iso-format handling added by Robert Griebl <griebl@gmx.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include <stdlib.h>
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@ -31,7 +18,6 @@
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#include <string.h>
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#include "busybox.h"
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/* This 'date' command supports only 2 time setting formats,
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all the GNU strftime stuff (its in libc, lets use it),
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setting time using UTC and displaying int, as well as
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@ -123,9 +109,8 @@ static struct tm *date_conv_ftime(struct tm *tm_time, const char *t_string)
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#define DATE_OPT_UTC 0x04
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#define DATE_OPT_DATE 0x08
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#define DATE_OPT_REFERENCE 0x10
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#ifdef CONFIG_FEATURE_DATE_ISOFMT
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# define DATE_OPT_TIMESPEC 0x20
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#endif
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#define DATE_OPT_TIMESPEC 0x20
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#define DATE_OPT_HINT 0x40
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int date_main(int argc, char **argv)
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{
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@ -133,63 +118,39 @@ int date_main(int argc, char **argv)
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char *date_fmt = NULL;
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int set_time;
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int utc;
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#if 0
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int use_arg = 0;
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#endif
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time_t tm;
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unsigned long opt;
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struct tm tm_time;
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char *filename = NULL;
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#ifdef CONFIG_FEATURE_DATE_ISOFMT
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int ifmt = 0;
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char *isofmt_arg;
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char *hintfmt_arg;
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# define GETOPT_ISOFMT "I::"
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#else
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# define GETOPT_ISOFMT
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#endif
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bb_opt_complementally = "?:d--s:s--d";
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opt = bb_getopt_ulflags(argc, argv, "Rs:ud:r:" GETOPT_ISOFMT,
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opt = bb_getopt_ulflags(argc, argv, "Rs:ud:r:"
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USE_FEATURE_DATE_ISOFMT("I::D:"),
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&date_str, &date_str, &filename
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#ifdef CONFIG_FEATURE_DATE_ISOFMT
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, &isofmt_arg
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#endif
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);
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USE_FEATURE_DATE_ISOFMT(, &isofmt_arg, &hintfmt_arg));
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set_time = opt & DATE_OPT_SET;
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utc = opt & DATE_OPT_UTC;
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if (utc && putenv("TZ=UTC0") != 0) {
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bb_error_msg_and_die(bb_msg_memory_exhausted);
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}
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#if 0
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use_arg = opt & DATE_OPT_DATE;
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#endif
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#ifdef CONFIG_FEATURE_DATE_ISOFMT
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if(opt & DATE_OPT_TIMESPEC) {
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if(ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_TIMESPEC)) {
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if (!isofmt_arg) {
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ifmt = 1;
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} else {
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int ifmt_len = bb_strlen(isofmt_arg);
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if (ifmt_len <= 4
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&& strncmp(isofmt_arg, "date", ifmt_len) == 0) {
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ifmt = 1;
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} else if (ifmt_len <= 5
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&& strncmp(isofmt_arg, "hours", ifmt_len) == 0) {
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ifmt = 2;
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} else if (ifmt_len <= 7
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&& strncmp(isofmt_arg, "minutes", ifmt_len) == 0) {
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ifmt = 3;
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} else if (ifmt_len <= 7
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&& strncmp(isofmt_arg, "seconds", ifmt_len) == 0) {
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ifmt = 4;
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}
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char *isoformats[]={"date","hours","minutes","seconds"};
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for(ifmt = 4; ifmt;)
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if(!strcmp(isofmt_arg,isoformats[--ifmt]))
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break;
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}
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if (!ifmt) {
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bb_show_usage();
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}
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}
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#endif
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/* XXX, date_fmt == NULL from this always */
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if ((date_fmt == NULL) && (optind < argc) && (argv[optind][0] == '+')) {
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@ -216,7 +177,9 @@ int date_main(int argc, char **argv)
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tm_time.tm_hour = 0;
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/* Process any date input to UNIX time since 1 Jan 1970 */
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if (strchr(date_str, ':') != NULL) {
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if (ENABLE_FEATURE_DATE_ISOFMT && (opt & DATE_OPT_HINT)) {
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strptime(date_str, hintfmt_arg, &tm_time);
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} else if (strchr(date_str, ':') != NULL) {
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date_conv_ftime(&tm_time, date_str);
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} else {
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date_conv_time(&tm_time, date_str);
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@ -242,49 +205,42 @@ int date_main(int argc, char **argv)
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/* Deal with format string */
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if (date_fmt == NULL) {
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#ifdef CONFIG_FEATURE_DATE_ISOFMT
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switch (ifmt) {
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case 4:
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date_fmt = utc ? "%Y-%m-%dT%H:%M:%SZ" : "%Y-%m-%dT%H:%M:%S%z";
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break;
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case 3:
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date_fmt = utc ? "%Y-%m-%dT%H:%MZ" : "%Y-%m-%dT%H:%M%z";
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break;
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case 2:
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date_fmt = utc ? "%Y-%m-%dT%HZ" : "%Y-%m-%dT%H%z";
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break;
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case 1:
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date_fmt = "%Y-%m-%d";
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break;
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case 0:
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default:
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#endif
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date_fmt = (opt & DATE_OPT_RFC2822 ?
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/* Start with the default case */
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date_fmt = (opt & DATE_OPT_RFC2822 ?
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(utc ? "%a, %d %b %Y %H:%M:%S GMT" :
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"%a, %d %b %Y %H:%M:%S %z") :
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"%a %b %e %H:%M:%S %Z %Y");
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#ifdef CONFIG_FEATURE_DATE_ISOFMT
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break;
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if (ENABLE_FEATURE_DATE_ISOFMT) {
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if (ifmt == 4)
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date_fmt = utc ? "%Y-%m-%dT%H:%M:%SZ" : "%Y-%m-%dT%H:%M:%S%z";
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else if (ifmt == 3)
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date_fmt = utc ? "%Y-%m-%dT%H:%MZ" : "%Y-%m-%dT%H:%M%z";
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else if (ifmt == 2)
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date_fmt = utc ? "%Y-%m-%dT%HZ" : "%Y-%m-%dT%H%z";
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else if (ifmt == 1)
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date_fmt = "%Y-%m-%d";
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}
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#endif
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} else if (*date_fmt == '\0') {
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/* Imitate what GNU 'date' does with NO format string! */
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printf("\n");
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return EXIT_SUCCESS;
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}
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/* Handle special conversions */
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if (*date_fmt == '\0') {
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if (strncmp(date_fmt, "%f", 2) == 0) {
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date_fmt = "%Y.%m.%d-%H:%M:%S";
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}
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/* With no format string, just print a blank line */
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{
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/* Print OUTPUT (after ALL that!) */
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*bb_common_bufsiz1=0;
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} else {
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/* Handle special conversions */
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if (strncmp(date_fmt, "%f", 2) == 0) {
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date_fmt = "%Y.%m.%d-%H:%M:%S";
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}
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/* Generate output string */
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strftime(bb_common_bufsiz1, 200, date_fmt, &tm_time);
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puts(bb_common_bufsiz1);
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}
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puts(bb_common_bufsiz1);
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return EXIT_SUCCESS;
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}
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@ -332,10 +332,13 @@
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"\nOptions:\n" \
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"\t-R\t\tOutputs RFC-822 compliant date string\n" \
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"\t-d STRING\tDisplays time described by STRING, not `now'\n" \
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USAGE_DATE_ISOFMT("\t-I[TIMESPEC]\tOutputs an ISO-8601 compliant date/time string\n" \
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"\t\t\tTIMESPEC=`date' (or missing) for date only,\n" \
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"\t\t\t`hours', `minutes', or `seconds' for date and,\n" \
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"\t\t\ttime to the indicated precision\n") \
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USAGE_DATE_ISOFMT( \
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"\t-I[TIMESPEC]\tOutputs an ISO-8601 compliant date/time string\n" \
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"\t\t\tTIMESPEC=`date' (or missing) for date only,\n" \
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"\t\t\t`hours', `minutes', or `seconds' for date and,\n" \
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"\t\t\ttime to the indicated precision\n" \
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"\t-D hint\t\tUse 'hint' as date format, via strptime()\n" \
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) \
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"\t-s\t\tSets time described by STRING\n" \
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"\t-r FILE\t\tDisplays the last modification time of FILE\n" \
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"\t-u\t\tPrints or sets Coordinated Universal Time"
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