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unzip: shorter code for date/time generation

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function                                             old     new   delta
unzip_main                                          2426    2414     -12

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2016-04-18 02:34:29 +02:00
parent 07bd979921
commit 5598bdf0d3
1 changed files with 6 additions and 6 deletions
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12
archival/unzip.c
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@ -642,14 +642,14 @@ int unzip_main(int argc, char **argv)
} else {
if (listing) {
/* List entry */
unsigned dostime = zip_header.formatted.modtime | (zip_header.formatted.moddate << 16);
char dtbuf[sizeof("mm-dd-yyyy hh:mm")];
sprintf(dtbuf, "%02u-%02u-%04u %02u:%02u",
(dostime & 0x01e00000) >> 21,
(dostime & 0x001f0000) >> 16,
((dostime & 0xfe000000) >> 25) + 1980,
(dostime & 0x0000f800) >> 11,
(dostime & 0x000007e0) >> 5
(zip_header.formatted.moddate >> 5) & 0xf, // mm: 0x01e0
(zip_header.formatted.moddate) & 0x1f, // dd: 0x001f
(zip_header.formatted.moddate >> 9) + 1980, // yy: 0xfe00
(zip_header.formatted.modtime >> 11), // hh: 0xf800
(zip_header.formatted.modtime >> 5) & 0x3f // mm: 0x07e0
// seconds/2 are not shown, encoded in ----------- 0x001f
);
if (!verbose) {
// " Length Date Time Name\n"