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Date: Thu, 5 Jul 2012 19:13:39 +0200
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Silence -Wpointer-sign warnings in hmacSHA*_fmt_plug.c
With gcc 4.6.3, I get:
hmacSHA512_fmt_plug.c:48:26: warning: pointer targets in initialization
differ in signedness [-Wpointer-sign]
hmacSHA384_fmt_plug.c:47:26: warning: pointer targets in initialization
differ in signedness [-Wpointer-sign]
hmacSHA224_fmt_plug.c:43:26: warning: pointer targets in initialization
differ in signedness [-Wpointer-sign]
hmacSHA256_fmt_plug.c:44:26: warning: pointer targets in initialization
differ in signedness [-Wpointer-sign]
With clang 2.9:
hmacSHA512_fmt_plug.c:48:14: warning: initializing 'char *' with an
expression of type 'unsigned char [65]' converts between pointers to
integer types with different sign [-Wpointer-sign]
static char *crypt_key = u.c; // Requires alignment on generic sha2.c
^ ~~~
1 warning generated.
and so on.
As far as I remember, they didn't occur in jumbo-6.
Should those warnings just be silenced by something like this:
-static char *crypt_key = u.c; // Requires alignment on generic sha2.c
+static char *crypt_key = (char *)u.c; // Requires alignment on generic
sha2.c
I think they can just be silenced, so here is a patch.
Frank
View attachment "0001-Silence-Wpointer-sign-warnings-in-hmacSHA-_fmt_plug..patch" of type "text/x-patch" (2670 bytes)
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