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Fixed issue with trailing dots in file paths

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Paths such as the following were causing issues:
/tea/hottea/.
/tea/hottea/..

Unfortunately the existing structure for path lookup didn't make it very
easy to introduce proper handling in this case without duplicating the
entire skip logic for paths. So the lfs_dir_find function had to be
restructured a bit.

One odd side-effect of this is that now lfs_dir_find includes the
initial fetch operation. This kinda breaks the fetch -> op pattern of
the dir functions, but does come with a nice code size reduction.
This commit is contained in:
Christopher Haster
2018-04-22 07:26:31 -05:00
parent 9637b96069
commit 015b86bc51
2 changed files with 46 additions and 70 deletions
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16
tests/test_paths.sh
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@@ -90,6 +90,22 @@ tests/test.py << TEST
lfs_unmount(&lfs) => 0;
TEST
echo "--- Trailing dot path tests ---"
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;
lfs_stat(&lfs, "tea/hottea/", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs_stat(&lfs, "tea/hottea/.", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs_stat(&lfs, "tea/hottea/./.", &info) => 0;
strcmp(info.name, "hottea") => 0;
lfs_stat(&lfs, "tea/hottea/..", &info) => 0;
strcmp(info.name, "tea") => 0;
lfs_stat(&lfs, "tea/hottea/../.", &info) => 0;
strcmp(info.name, "tea") => 0;
lfs_unmount(&lfs) => 0;
TEST
echo "--- Root dot dot path tests ---"
tests/test.py << TEST
lfs_mount(&lfs, &cfg) => 0;