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Bug#45288: pb2 returns a lot of compilation warnings on linux

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Fix warnings flagged by the new warning option -Wunused-but-set-variable
that was added to GCC 4.6 and that is enabled by -Wunused and -Wall. The
option causes a warning whenever a local variable is assigned to but is
later unused. It also warns about meaningless pointer dereferences.
This commit is contained in:
Davi Arnaut
2010-07-20 15:07:36 -03:00
parent d676c3ff0e
commit c96b249fc3
34 changed files with 155 additions and 174 deletions
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17
regex/engine.c
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@ -256,7 +256,6 @@ sopno stopst;
register char *ssp; /* start of string matched by subsubRE */
register char *sep; /* end of string matched by subsubRE */
register char *oldssp; /* previous ssp */
register char *dp; /* used in debug mode to check asserts */
AT("diss", start, stop, startst, stopst);
sp = start;
@ -314,11 +313,9 @@ sopno stopst;
ssub = ss + 1;
esub = es - 1;
/* did innards match? */
if (slow(charset, m, sp, rest, ssub, esub) != NULL) {
dp = dissect(charset, m, sp, rest, ssub, esub);
assert(dp == rest);
} else /* no */
assert(sp == rest);
if (slow(charset, m, sp, rest, ssub, esub) != NULL)
sp = dissect(charset, m, sp, rest, ssub, esub);
assert(sp == rest);
sp = rest;
break;
case OPLUS_:
@ -353,8 +350,8 @@ sopno stopst;
}
assert(sep == rest); /* must exhaust substring */
assert(slow(charset, m, ssp, sep, ssub, esub) == rest);
dp = dissect(charset, m, ssp, sep, ssub, esub);
assert(dp == sep);
sp = dissect(charset, m, ssp, sep, ssub, esub);
assert(sp == sep);
sp = rest;
break;
case OCH_:
@ -388,8 +385,8 @@ sopno stopst;
else
assert(OP(m->g->strip[esub]) == O_CH);
}
dp = dissect(charset, m, sp, rest, ssub, esub);
assert(dp == rest);
sp = dissect(charset, m, sp, rest, ssub, esub);
assert(sp == rest);
sp = rest;
break;
case O_PLUS: