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Next step in tidying up the LHASH code.

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DECLARE/IMPLEMENT macros now exist to create type (and prototype) safe
wrapper functions that avoid the use of function pointer casting yet retain
type-safety for type-specific callbacks. However, most of the usage within
OpenSSL itself doesn't really require the extra function because the hash
and compare callbacks are internal functions declared only for use by the
hash table. So this change catches all those cases and reimplements the
functions using the base-level LHASH prototypes and does per-variable
casting inside those functions to convert to the appropriate item type.

The exception so far is in ssl_lib.c where the hash and compare callbacks
are not static - they're exposed in ssl.h so their prototypes should not be
changed. In this last case, the IMPLEMENT_LHASH_*** macros have been left
intact.
This commit is contained in:
Geoff Thorpe
2000-12-08 20:02:01 +00:00
parent 15156cce0e
commit d0fa136ce2
7 changed files with 96 additions and 73 deletions
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4
ssl/ssl_lib.c
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@@ -1101,6 +1101,10 @@ int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
return(memcmp(a->session_id,b->session_id,a->session_id_length));
}
/* These wrapper functions should remain rather than redeclaring
* SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
* variable. The reason is that the functions aren't static, they're exposed via
* ssl.h. */
static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)