diff options
| author | Bruce Momjian | 2005-05-25 21:40:43 +0000 |
|---|---|---|
| committer | Bruce Momjian | 2005-05-25 21:40:43 +0000 |
| commit | b492c3acccb3f8c97559ddfc2a25f25953a026d2 (patch) | |
| tree | a9c42aa2bd86a88a849ffaa005766ffe3dee762a /contrib/ltree/crc32.c | |
| parent | 13b729ca5267b58005f1ca9c873a86c2b0db3591 (diff) | |
Add parentheses to macros when args are used in computations. Without
them, the executation behavior could be unexpected.
Diffstat (limited to 'contrib/ltree/crc32.c')
| -rw-r--r-- | contrib/ltree/crc32.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/ltree/crc32.c b/contrib/ltree/crc32.c index 8a4f27b3066..c82b3a644c8 100644 --- a/contrib/ltree/crc32.c +++ b/contrib/ltree/crc32.c @@ -20,7 +20,7 @@ * Oroginal code by Spencer Garrett <srg@quick.com> */ -#define _CRC32_(crc, ch) (crc = (crc >> 8) ^ crc32tab[(crc ^ (ch)) & 0xff]) +#define _CRC32_(crc, ch) ((crc) = ((crc) >> 8) ^ crc32tab[((crc) ^ (ch)) & 0xff]) /* generated using the AUTODIN II polynomial * x^32 + x^26 + x^23 + x^22 + x^16 + |