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| author | Laurent Bercot <ska-skaware@skarnet.org> | 2023-02-02 05:29:17 +0000 |
|---|---|---|
| committer | Laurent Bercot <ska@appnovation.com> | 2023-02-02 05:29:17 +0000 |
| commit | 9d55d49dad0f4cb90e6ff2f9b1c3bc46a6fcf05f (patch) | |
| tree | ea63cf6dd496942aa194e864f37cc56229d596fb /src/posix/posix-umask.txt | |
| parent | edf81b0d16322e5d49ec22f394b669d9094daac1 (diff) | |
| download | execline-9d55d49dad0f4cb90e6ff2f9b1c3bc46a6fcf05f.tar.xz | |
Multicall improvements
Signed-off-by: Laurent Bercot <ska@appnovation.com>
Diffstat (limited to 'src/posix/posix-umask.txt')
| -rw-r--r-- | src/posix/posix-umask.txt | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/src/posix/posix-umask.txt b/src/posix/posix-umask.txt deleted file mode 100644 index 5bf49a2..0000000 --- a/src/posix/posix-umask.txt +++ /dev/null @@ -1,37 +0,0 @@ - - parsemode() function for posix-umask - - goal: parse the "u+r,g-wx,o=u" symbolic mode string and convert it -to a numeric value suitable for umask(). - In the purest skarnet.org tradition, we implement the parser via a DFA. - -class | 0 1 2 3 4 5 6 -st\ev | \0 , +-= ugo a rwxXst other ------------------------------------------------------------------------- -START | wo w w -0 | END START OP WHO WHO X X - -WHO | o w w -1 | END X OP WHO WHO X X - -OP | r o c p -2 | END START OP PERMCPY X PERM X - -PERMCPY | ! !rR !Ro -3 | END START OP X X X X - -PERM | ! !rR !Ro p -4 | END START OP X X PERM X ------------------------------------------------------------------------- - -END=5, X=6. -> states: 3 bits -7 actions -> 10 bits total, need uint16_t - - w: 0x020: who |= c - o: 0x040: store op - c: 0x080: copy perm from c - p: 0x100: perm |= c - r: 0x200: reset who - R: 0x400: reset perm - !: 0x800: apply (who, op, perm) change - |