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only sync if file open for writing

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This commit is contained in:
Dave Murphy 2009-06-09 18:20:22 +00:00
parent 980ade67d4
commit 76a9624d2e
1 changed files with 6 additions and 4 deletions
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10
source/fatfile.c
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@ -316,10 +316,12 @@ int _FAT_close_r (struct _reent *r, int fd) {
_FAT_lock(&file->partition->lock);
ret = _FAT_syncToDisc (file);
if (ret != 0) {
r->_errno = ret;
ret = -1;
if (file->write) {
ret = _FAT_syncToDisc (file);
if (ret != 0) {
r->_errno = ret;
ret = -1;
}
}
file->inUse = false;