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authorMattias Andrée <maandree@operamail.com>2015-11-16 00:22:23 +0100
committerMattias Andrée <maandree@operamail.com>2015-11-16 00:25:26 +0100
commitee0abeed2ca39cc0af67029c7b53d8c52ad52a79 (patch)
tree89daa16fa77639373f2dfa409187bc4af3876a18 /src
parentm machinemode (diff)
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m
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to '')
-rw-r--r--src/slibc-human/machinemode.c29
1 files changed, 15 insertions, 14 deletions
diff --git a/src/slibc-human/machinemode.c b/src/slibc-human/machinemode.c
index 7efa2b5..dce7630 100644
--- a/src/slibc-human/machinemode.c
+++ b/src/slibc-human/machinemode.c
@@ -40,22 +40,23 @@
*/
int machinemode(mode_t* restrict mode, mode_t* restrict mask, const char* restrict str)
{
-#define S_ISUSR (S_ISUID | S_IXUSR)
-#define S_ISGRP (S_ISGID | S_IXGRO)
-#define S_ISOTH (S_ISVTX | S_IXOTH)
+#define S_ISUSR (S_ISUID | S_IXUSR)
+#define S_ISGRP (S_ISGID | S_IXGRO)
+#define S_ISOTH (S_ISVTX | S_IXOTH)
-#define TEST_(S, T, V) (strstarts(str, S) && !(T & (v = V)))
-#define TEST(S, T) (TEST_(S"+", T, 1) || TEST_(S"-", T, 2) || TEST_(S"=", T, 3))
-#define TESTV(T) (TEST(#T, T) ? (T = v) : 0)
+#define TEST_(S, T, V) (strstarts(str, S) && !(T & (v = V)))
+#define TEST(S, T) (TEST_(S"+", T, 1) || TEST_(S"-", T, 2) || TEST_(S"=", T, 3))
+#define TESTV(T) (TEST(#T, T) ? (T = v) : 0)
-#define BITS(var) \
- if (*str == 'r') { if (var & bits[i][0]) goto invalid; else var |= bits[i][0]; } \
- else if (*str == 'w') { if (var & bits[i][1]) goto invalid; else var |= bits[i][1]; } \
- else if (*str == 'x') { if (var & bits[i][3]) goto invalid; else var |= bits[i][2]; } \
- else if (*str == 's') { if (var & bits[i][3]) goto invalid; else var |= bits[i][3]; } \
- else if (*str == 'S') { if (var & bits[i][3]) goto invalid; else var |= bits[i][4]; } \
- else if (*str == 't') { if (var & bits[i][3]) goto invalid; else var |= bits[i][3]; } \
- else if (*str == 'T') { if (var & bits[i][3]) goto invalid; else var |= bits[i][4]; } \
+#define BITS_(V, T, S) if (V & bits[i][T]) goto invalid; else var |= bits[i][S]
+#define BITS(V) \
+ if (*str == 'r') { BITS_(V, 0, 0); } \
+ else if (*str == 'w') { BITS_(V, 1, 1); } \
+ else if (*str == 'x') { BITS_(V, 3, 2); } \
+ else if (*str == 's') { BITS_(V, 3, 3); } \
+ else if (*str == 't') { BITS_(V, 3, 3); } \
+ else if (*str == 'S') { BITS_(V, 3, 4); } \
+ else if (*str == 'T') { BITS_(V, 3, 4); } \
else if (*str != '-') goto invalid
int i, j, n, u = 0, g = 0, o = 0, v;