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libselinux: sidtab_hash(): do not discard const qualifier

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Do not discard the const qualifier of the function argument, and drop
the redundant local variable `keyp`.

avc_sidtab.c: In function ‘sidtab_hash’:
avc_sidtab.c:23:9: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
   23 |  keyp = (char *)key;
      |         ^

Signed-off-by: Christian Göttsche <cgzones@googlemail.com>
This commit is contained in:
Christian Göttsche 2021-05-03 17:10:35 +02:00 committed by Petr Lautrbach
parent eb6e97ab7d
commit ae34b3ca3c
1 changed files with 3 additions and 4 deletions
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7
libselinux/src/avc_sidtab.c
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@ -15,14 +15,13 @@
static inline unsigned sidtab_hash(const char * key)
{
char *p, *keyp;
const char *p;
unsigned int size;
unsigned int val;
val = 0;
keyp = (char *)key;
size = strlen(keyp);
for (p = keyp; (unsigned int)(p - keyp) < size; p++)
size = strlen(key);
for (p = key; (unsigned int)(p - key) < size; p++)
val =
(val << 4 | (val >> (8 * sizeof(unsigned int) - 4))) ^ (*p);
return val & (SIDTAB_SIZE - 1);