* vfs.c (is_dos_date): Allow 4-digit years.

(vfs_parse_filedate): Don't limit length of the year field for
DOS dates, subtract 1900 if necessary.
This commit is contained in:
Pavel Roskin 2002-12-13 00:22:06 +00:00
parent 676c9927d6
commit 63faf36f15
2 changed files with 30 additions and 19 deletions

View File

@ -1,5 +1,9 @@
2002-12-12 Pavel Roskin <proski@gnu.org>
* vfs.c (is_dos_date): Allow 4-digit years.
(vfs_parse_filedate): Don't limit length of the year field for
DOS dates, subtract 1900 if necessary.
* extfs/apt.in: Fix Y2K bug.
* extfs/deba.in: Likewise.
* extfs/debd.in: Likewise.

View File

@ -1325,17 +1325,26 @@ is_num (int idx)
return 1;
}
/* Return 1 for MM-DD-YY and MM-DD-YYYY */
static int
is_dos_date (char *str)
is_dos_date (const char *str)
{
int len;
if (!str)
return 0;
if (strlen (str) == 8 && str[2] == str[5]
&& strchr ("\\-/", (int) str[2]) != NULL)
return 1;
len = strlen (str);
if (len != 8 && len != 10)
return 0;
return 0;
if (str[2] != str[5])
return 0;
if (!strchr ("\\-/", (int) str[2]))
return 0;
return 1;
}
static int
@ -1556,24 +1565,22 @@ vfs_parse_filedate (int idx, time_t *t)
where Mon is Jan-Dec, DD, MM, YY two digit day, month, year,
YYYY four digit year, hh, mm, ss two digit hour, minute or second. */
/* Here just this special case with MM-DD-YY */
/* Special case with MM-DD-YY or MM-DD-YYYY */
if (is_dos_date (p)) {
p[2] = p[5] = '-';
if (sscanf (p, "%2d-%2d-%2d", &d[0], &d[1], &d[2]) == 3) {
/* We expect to get:
1. MM-DD-YY
2. DD-MM-YY
3. YY-MM-DD
4. YY-DD-MM */
if (sscanf (p, "%2d-%2d-%d", &d[0], &d[1], &d[2]) == 3) {
/* Months are zero based */
if (d[0] > 0)
d[0]--;
/* Hmm... maybe, next time :) */
/* At last, MM-DD-YY */
d[0]--; /* Months are zerobased */
/* Y2K madness */
if (d[2] < 70)
d[2] += 100;
if (d[2] > 1900) {
d[2] -= 1900;
} else {
/* Y2K madness */
if (d[2] < 70)
d[2] += 100;
}
tim.tm_mon = d[0];
tim.tm_mday = d[1];