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Message-ID: <20170305220334.GH2082@port70.net>
Date: Sun, 5 Mar 2017 23:03:35 +0100
From: Szabolcs Nagy <nsz@...t70.net>
To: musl@...ts.openwall.com
Subject: [PATCH] fix lsearch and lfind to pass key as first arg to the compar
callback
this is not a conformance issue as posix does not specify the
argument order, but the order is specified for bsearch and some
systems document the order for lsearch consistently (openbsd).
since there were two indpendent reports of this issue it's better
to use the more widely expected argument order.
---
in both reported cases upstream got fixed, but i think it
is worth changing anyway.
src/search/lsearch.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/search/lsearch.c b/src/search/lsearch.c
index 63f31922..5eb5cc2b 100644
--- a/src/search/lsearch.c
+++ b/src/search/lsearch.c
@@ -9,7 +9,7 @@ void *lsearch(const void *key, void *base, size_t *nelp, size_t width,
size_t i;
for (i = 0; i < n; i++)
- if (compar(p[i], key) == 0)
+ if (compar(key, p[i]) == 0)
return p[i];
*nelp = n+1;
return memcpy(p[n], key, width);
@@ -23,7 +23,7 @@ void *lfind(const void *key, const void *base, size_t *nelp,
size_t i;
for (i = 0; i < n; i++)
- if (compar(p[i], key) == 0)
+ if (compar(key, p[i]) == 0)
return p[i];
return 0;
}
--
2.11.0
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