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Bug #45268 Incorrect DB4 error callback function prototype
Submitted: 2008-06-14 01:05 UTC Modified: 2008-06-19 22:43 UTC
From: sixd@php.net Assigned:
Status: Closed Package: DBM/DBA related
PHP Version: 5.3CVS-2008-06-14 (CVS) OS: Linux
Private report: No CVE-ID: None
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 [2008-06-14 01:05 UTC] sixd@php.net 
Description:
------------
For BDB 4.7.25 (and probably earlier), the prototype
php_dba_db4_errcall_fcn() needs three arguments.

Documentation for the callback is at:
http://www.oracle.com/technology/documentation/berkeley-db/db/api_c/env_set_errcall.html

The expected prototype is:
void DB_ENV->set_errcall(DB_ENV *dbenv, void (*db_errcall_fcn)
  (const DB_ENV *dbenv, const char *errpfx, const char *msg));

In ext/dba/dba_db4.c:
static void php_dba_db4_errcall_fcn(const char *errpfx, char *msg)
should be:
static void php_dba_db4_errcall_fcn(const DB_ENV *dbenv, const char *errpfx, const char *msg)





Actual result:
--------------
Currently a compile warning is given:

/home/cjones/phpsrc/php53/ext/dba/dba_db4.c:99: warning: passing argument 2 of 'dbp->set_errcall' from incompatible pointer type

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 [2008-06-14 01:19 UTC] sixd@php.net 
BDB was built with ../dist/configure --prefix=$HOME/bdb-4.7.25
PHP was built with ... --enable-dba --with-db4=$HOME/bdb-4.7.25
 [2008-06-19 03:57 UTC] sixd@php.net 
The extra parameter was added in BDB 4.3, so the prototype code should be similar to:

static void php_dba_db4_errcall_fcn(
#if (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3)
	const DB_ENV *dbenv, 
#endif
	const char *errpfx, const char *msg)
 [2008-06-19 22:43 UTC] sixd@php.net 
This bug has been fixed in CVS.

Snapshots of the sources are packaged every three hours; this change
will be in the next snapshot. You can grab the snapshot at
http://snaps.php.net/.
 
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