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authorDenys Vlasenko2020-11-28 21:44:58 +0100
committerDenys Vlasenko2020-11-28 21:44:58 +0100
commit900eae17384e52cd31d166c09d038cc6e1b64019 (patch)
tree824f4b796813801993e0095070485146ebdfb201 /coreutils/date.c
parentab6991c6f59ff2960885bbdec57892e9d0f89598 (diff)
downloadbusybox-900eae17384e52cd31d166c09d038cc6e1b64019.zip
busybox-900eae17384e52cd31d166c09d038cc6e1b64019.tar.gz
date: support -Ins, more compatible timezone display in -I
function old new delta date_main 941 1016 +75 static.isoformats 28 31 +3 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 78/0) Total: 78 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'coreutils/date.c')
-rw-r--r--coreutils/date.c26
1 files changed, 19 insertions, 7 deletions
diff --git a/coreutils/date.c b/coreutils/date.c
index d8a2e86..7fead01 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -208,7 +208,7 @@ int date_main(int argc UNUSED_PARAM, char **argv)
ifmt = 0; /* default is date */
if (isofmt_arg) {
static const char isoformats[] ALIGN1 =
- "date\0""hours\0""minutes\0""seconds\0"; /* ns? */
+ "date\0""hours\0""minutes\0""seconds\0ns\0";
ifmt = index_in_substrings(isoformats, isofmt_arg);
if (ifmt < 0)
bb_show_usage();
@@ -315,21 +315,33 @@ int date_main(int argc UNUSED_PARAM, char **argv)
int i;
fmt_dt2str = buf_fmt_dt2str;
if (ENABLE_FEATURE_DATE_ISOFMT && ifmt >= 0) {
- /* -I[SPEC]: 0:date 1:hours 2:minutes 3:seconds */
+ /* -I[SPEC]: 0:date 1:hours 2:minutes 3:seconds 4:ns*/
strcpy(fmt_dt2str, "%Y-%m-%dT%H:%M:%S");
i = 8 + 3 * ifmt;
if (ifmt != 0) {
- /* TODO: if (ifmt==4) i += sprintf(&fmt_dt2str[i], ",%09u", nanoseconds); */
- fmt_dt2str[i++] = '%';
- fmt_dt2str[i++] = 'z';
- /* FIXME: %z prints "+hhmm" timezone, but coreutils-8.30 prints "+hh:mm" */
+ int n;
+ if (ifmt == 4) {
+ i -= 3;
+ i += sprintf(&fmt_dt2str[i], ",%09u", (unsigned)ts.tv_nsec);
+ }
+ /* %z prints "+hhmm" timezone, but coreutils-8.30 prints "+hh:mm"! */
+ /* ...therefore this atrocity: */
+ n = strftime(&fmt_dt2str[i], 8, "%z", &tm_time);
+ i += n;
+ if (n == 5 && (fmt_dt2str[i-5] == '+' || fmt_dt2str[i-5] == '-')) {
+ /* "mm" -> ":mm" */
+ fmt_dt2str[i ] = fmt_dt2str[i - 1];
+ fmt_dt2str[i - 1] = fmt_dt2str[i - 2];
+ fmt_dt2str[i - 2] = ':';
+ i++;
+ }
}
fmt_dt2str[i] = '\0';
} else if (opt & OPT_RFC2822) {
/* -R. undo busybox.c setlocale */
if (ENABLE_LOCALE_SUPPORT)
setlocale(LC_TIME, "C");
- strcpy(fmt_dt2str, "%a, %d %b %Y %H:%M:%S %z");
+ fmt_dt2str = (char*)"%a, %d %b %Y %H:%M:%S %z";
} else { /* default case */
fmt_dt2str = (char*)"%a %b %e %H:%M:%S %Z %Y";
}