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incubator-nuttx
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Revert some unnecessary portions of last commit 

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3956 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-09-15 20:55:56 +00:00
parent 938991c408
commit 6720018ae9
1 changed files with 6 additions and 21 deletions
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27
fs/fat/fs_fat32.c
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@ -630,7 +630,6 @@ static ssize_t fat_write(FAR struct file *filep, const char *buffer,
int32_t cluster;
unsigned int byteswritten;
unsigned int writesize;
unsigned int bufsize;
unsigned int nsectors;
uint8_t *userbuffer = (uint8_t*)buffer;
int sectorindex;
@ -788,8 +787,8 @@ static ssize_t fat_write(FAR struct file *filep, const char *buffer,
/* Copy the partial sector from the user buffer */
bufsize = fs->fs_hwsectorsize - sectorindex;
if (bufsize > buflen)
writesize = fs->fs_hwsectorsize - sectorindex;
if (writesize > buflen)
{
/* We will not write to the end of the buffer. Set
* write size to the size of the user buffer.
@ -799,12 +798,12 @@ static ssize_t fat_write(FAR struct file *filep, const char *buffer,
}
else
{
/* We will write to the end of the cached sector and
* perhaps beyond. Set writesize to the number of
* bytes still available in the cached sector.
/* We will write to the end of the buffer (or beyond). Bump
* up the current sector number (actually the next sector number).
*/
writesize = bufsize;
ff->ff_sectorsincluster--;
ff->ff_currentsector++;
}
/* Copy the data into the cached sector and make sure that the
@ -813,20 +812,6 @@ static ssize_t fat_write(FAR struct file *filep, const char *buffer,
memcpy(&ff->ff_buffer[sectorindex], userbuffer, writesize);
ff->ff_bflags |= (FFBUFF_DIRTY|FFBUFF_VALID|FFBUFF_MODIFIED);
/* Do we need to write more in the next sector? We may need
* to this if we wrote to the end of the cached sector.
*/
if (writesize >= bufsize)
{
/* We will write to the end of the buffer (or beyond). Bump
* up the current sector number.
*/
ff->ff_sectorsincluster--;
ff->ff_currentsector++;
}
}
/* Set up for the next write */