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authorBrad Smith <brad@cvs.openbsd.org>2005-05-24 05:43:32 +0000
committerBrad Smith <brad@cvs.openbsd.org>2005-05-24 05:43:32 +0000
commit7a6e90a24ababc01e84a168be0d99e0c06d2dea2 (patch)
tree21dec0bed41c51cade59d04416b84271d2e63867 /usr.bin/mixerctl
parent757d44844da85b55fbad10cfaa740dcfa9b26579 (diff)
Fix our NTFS readdir function.
To check a directory's in-use bitmap bit by bit, we use a pointer to an 8 bit wide unsigned value. The index used to dereference this pointer is calculated by shifting the bit index right 3 bits. Then we do a logical AND with the bit# represented by the lower 3 bits of the bit index. This is an idiomatic way of iterating through a bit map with simple bitwise operations. This commit fixes the bug that we only checked bits 3:0 of each 8 bit chunk, because we only used bits 1:0 of the bit index for the bit# in the current 8 bit value. This resulted in files not being returned by getdirentries(2). Change the type of the bit map pointer from `char *' to `u_int8_t *'. From FreeBSD ok pedro
Diffstat (limited to 'usr.bin/mixerctl')
0 files changed, 0 insertions, 0 deletions