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Fix comparisons of pointers with zero to compare with NULL instead.

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Per C standard, these are semantically the same thing; but saying NULL
when you mean NULL is good for readability.

Marti Raudsepp, per results of INRIA's Coccinelle.
This commit is contained in:
Tom Lane
2010-10-29 15:51:52 -04:00
parent 48a1fb2390
commit bfd3f37be3
6 changed files with 11 additions and 11 deletions
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2
src/backend/regex/regc_lex.c
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@ -846,7 +846,7 @@ lexescape(struct vars * v)
if (ISERR())
FAILW(REG_EESCAPE);
/* ugly heuristic (first test is "exactly 1 digit?") */
if (v->now - save == 0 || ((int) c > 0 && (int) c <= v->nsubexp))
if (v->now == save || ((int) c > 0 && (int) c <= v->nsubexp))
{
NOTE(REG_UBACKREF);
RETV(BACKREF, (chr) c);