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pl_cmp() improvements

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This commit is contained in:
Richard Aas 2011-03-09 10:21:36 +00:00
parent edf874c9d0
commit f6ce8b7a93
1 changed files with 12 additions and 8 deletions
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20
src/fmt/pl.c
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@ -303,19 +303,21 @@ int pl_cmp(const struct pl *pl1, const struct pl *pl2)
if (pl1->l != pl2->l)
return EINVAL;
/* Zero-length strings are always identical */
if (pl1->l == 0)
return 0;
/*
* ~35% speed increase for fmt/pl test
*/
/* The two pl's are the same */
if (pl1 == pl2) {
if (pl1 == pl2)
return 0;
}
/* Two different pl's pointing to same string */
if (pl1->p == pl2->p && pl1->l == pl2->l) {
if (pl1->p == pl2->p)
return 0;
}
return 0 == memcmp(pl1->p, pl2->p, pl1->l) ? 0 : EINVAL;
}
@ -372,19 +374,21 @@ int pl_casecmp(const struct pl *pl1, const struct pl *pl2)
if (pl1->l != pl2->l)
return EINVAL;
/* Zero-length strings are always identical */
if (pl1->l == 0)
return 0;
/*
* ~35% speed increase for fmt/pl test
*/
/* The two pl's are the same */
if (pl1 == pl2) {
if (pl1 == pl2)
return 0;
}
/* Two different pl's pointing to same string */
if (pl1->p == pl2->p && pl1->l == pl2->l) {
if (pl1->p == pl2->p)
return 0;
}
#ifdef HAVE_STRINGS_H
return 0 == strncasecmp(pl1->p, pl2->p, pl1->l) ? 0 : EINVAL;