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| author | Denys Vlasenko | 2020-11-28 21:44:58 +0100 |
|---|---|---|
| committer | Denys Vlasenko | 2020-11-28 21:44:58 +0100 |
| commit | 900eae17384e52cd31d166c09d038cc6e1b64019 (patch) | |
| tree | 824f4b796813801993e0095070485146ebdfb201 /coreutils | |
| parent | ab6991c6f59ff2960885bbdec57892e9d0f89598 (diff) | |
| download | busybox-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')
| -rw-r--r-- | coreutils/date.c | 26 |
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"; } |