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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-07-13 13:30:38 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-07-13 13:30:38 +0000 |
| commit | edeffa28c526825510f7ff35024ea242f82252e5 (patch) | |
| tree | 6e73fb2151408160fea483c4c143ef6cf95c00ed /nuttx/drivers/ramdisk.c | |
| parent | 286a4141b552e05aa782b1fafa192426af2f42a2 (diff) | |
| download | px4-nuttx-edeffa28c526825510f7ff35024ea242f82252e5.tar.gz px4-nuttx-edeffa28c526825510f7ff35024ea242f82252e5.tar.bz2 px4-nuttx-edeffa28c526825510f7ff35024ea242f82252e5.zip | |
Re-architect FAT data structures to support long file names
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3780 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/drivers/ramdisk.c')
| -rw-r--r-- | nuttx/drivers/ramdisk.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/nuttx/drivers/ramdisk.c b/nuttx/drivers/ramdisk.c index b3f9916bc..bfa0618d6 100644 --- a/nuttx/drivers/ramdisk.c +++ b/nuttx/drivers/ramdisk.c @@ -148,10 +148,12 @@ static ssize_t rd_read(FAR struct inode *inode, unsigned char *buffer, { struct rd_struct_s *dev; - fvdbg("sector: %d nsectors: %d sectorsize: %d\n"); - DEBUGASSERT(inode && inode->i_private); dev = (struct rd_struct_s *)inode->i_private; + + fvdbg("sector: %d nsectors: %d sectorsize: %d\n", + start_sector, dev->rd_sectsize, nsectors); + if (start_sector < dev->rd_nsectors && start_sector + nsectors <= dev->rd_nsectors) { @@ -180,10 +182,12 @@ static ssize_t rd_write(FAR struct inode *inode, const unsigned char *buffer, { struct rd_struct_s *dev; - fvdbg("sector: %d nsectors: %d sectorsize: %d\n"); - DEBUGASSERT(inode && inode->i_private); dev = (struct rd_struct_s *)inode->i_private; + + fvdbg("sector: %d nsectors: %d sectorsize: %d\n", + start_sector, dev->rd_sectsize, nsectors); + if (!dev->rd_writeenabled) { return -EACCES; |