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Added creation and last-modified timestamps.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2875 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-11-22 23:51:46 +00:00
parent 5befad0a1b
commit b5184d761b
1 changed files with 40 additions and 0 deletions
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40
firmware/drivers/fat.c
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@ -28,6 +28,7 @@
#include "debug.h"
#include "panic.h"
#include "system.h"
#include "timefuncs.h"
#define BYTES2INT16(array,pos) \
(array[pos] | (array[pos+1] << 8 ))
@ -637,6 +638,26 @@ static int flush_fat(void)
return 0;
}
static void fat_time(unsigned short* date,
unsigned short* time,
unsigned short* tenth )
{
struct tm* tm = get_time();
if (date)
*date = ((tm->tm_year - 80) << 9) |
((tm->tm_mon + 1) << 5) |
tm->tm_mday;
if (time)
*time = (tm->tm_hour << 11) |
(tm->tm_min << 5) |
(tm->tm_sec >> 1);
if (tenth)
*tenth = (tm->tm_sec & 1) * 100;
}
static int write_long_name(struct fat_file* file,
unsigned int firstentry,
unsigned int numentries,
@ -745,10 +766,21 @@ static int write_long_name(struct fat_file* file,
}
else {
/* shortname entry */
unsigned short date=0, time=0, tenth=0;
LDEBUGF("Shortname entry: %.13s\n", shortname);
strncpy(entry + FATDIR_NAME, shortname, 11);
entry[FATDIR_ATTR] = 0;
entry[FATDIR_NTRES] = 0;
#ifdef HAVE_RTC
fat_time(&date, &time, &tenth);
#endif
entry[FATDIR_CRTTIMETENTH] = tenth;
*(unsigned short*)(entry + FATDIR_CRTTIME) = SWAB16(time);
*(unsigned short*)(entry + FATDIR_WRTTIME) = SWAB16(time);
*(unsigned short*)(entry + FATDIR_CRTDATE) = SWAB16(date);
*(unsigned short*)(entry + FATDIR_WRTDATE) = SWAB16(date);
*(unsigned short*)(entry + FATDIR_LSTACCDATE) = SWAB16(date);
}
idx++;
nameidx -= NAME_BYTES_PER_ENTRY;
@ -1012,6 +1044,7 @@ static int update_file_size( struct fat_file* file, int size )
unsigned int* sizeptr;
unsigned short* clusptr;
struct fat_file dir;
unsigned short date=0, time=0;
int err;
LDEBUGF("update_file_size(cluster:%x entry:%d size:%d)\n",
@ -1042,6 +1075,13 @@ static int update_file_size( struct fat_file* file, int size )
sizeptr = (int*)(entry + FATDIR_FILESIZE);
*sizeptr = SWAB32(size);
#ifdef HAVE_RTC
fat_time(&date, &time, NULL);
*(unsigned short*)(entry + FATDIR_WRTTIME) = SWAB16(time);
*(unsigned short*)(entry + FATDIR_WRTDATE) = SWAB16(date);
*(unsigned short*)(entry + FATDIR_LSTACCDATE) = SWAB16(date);
#endif
err = fat_seek( &dir, sector );
if (err<0)
return -4;