-/* $Cambridge: exim/src/src/lookups/pgsql.c,v 1.11 2009/11/16 19:50:38 nm4 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
#include "../exim.h"
#include "lf_functions.h"
-#include "pgsql.h" /* The local header */
-
-/* We can't just compile this code and allow the library mechanism to omit the
-functions if they are not wanted, because we need to have the PGSQL header
-available for compiling. Therefore, compile these functions only if
-LOOKUP_PGSQL is defined. However, some compilers don't like compiling empty
-modules, so keep them happy with a dummy when skipping the rest. Make it
-reference itself to stop picky compilers complaining that it is unused, and put
-in a dummy argument to stop even pickier compilers complaining about infinite
-loops. */
-
-#ifndef LOOKUP_PGSQL
-static void dummy(int x) { dummy(x-1); }
-#else
-
#include <libpq-fe.h> /* The system header */
/* See local README for interface description. */
-void *
+static void *
pgsql_open(uschar *filename, uschar **errmsg)
{
return (void *)(1); /* Just return something non-null */
/* See local README for interface description. */
-void
+static void
pgsql_tidy(void)
{
pgsql_connection *cn;
*/
static int
-perform_pgsql_search(uschar *query, uschar *server, uschar **resultptr,
+perform_pgsql_search(const uschar *query, uschar *server, uschar **resultptr,
uschar **errmsg, BOOL *defer_break, BOOL *do_cache)
{
PGconn *pg_conn = NULL;
query is deferred with a retryable error is now in a separate function that is
shared with other SQL lookups. */
-int
-pgsql_find(void *handle, uschar *filename, uschar *query, int length,
+static int
+pgsql_find(void *handle, uschar *filename, const uschar *query, int length,
uschar **result, uschar **errmsg, BOOL *do_cache)
{
return lf_sqlperform(US"PostgreSQL", US"pgsql_servers", pgsql_servers, query,
Returns: the processed string or NULL for a bad option
*/
-uschar *
+static uschar *
pgsql_quote(uschar *s, uschar *opt)
{
register int c;
return quoted;
}
-#endif /* PGSQL_LOOKUP */
+
+/*************************************************
+* Version reporting entry point *
+*************************************************/
+
+/* See local README for interface description. */
+
+#include "../version.h"
+
+void
+pgsql_version_report(FILE *f)
+{
+#ifdef DYNLOOKUP
+fprintf(f, "Library version: PostgreSQL: Exim version %s\n", EXIM_VERSION_STR);
+#endif
+
+/* Version reporting: there appears to be no available information about
+the client library in libpq-fe.h; once you have a connection object, you
+can access the server version and the chosen protocol version, but those
+aren't really what we want. It might make sense to debug_printf those
+when the connection is established though? */
+}
+
+
+static lookup_info _lookup_info = {
+ US"pgsql", /* lookup name */
+ lookup_querystyle, /* query-style lookup */
+ pgsql_open, /* open function */
+ NULL, /* no check function */
+ pgsql_find, /* find function */
+ NULL, /* no close function */
+ pgsql_tidy, /* tidy function */
+ pgsql_quote, /* quoting function */
+ pgsql_version_report /* version reporting */
+};
+
+#ifdef DYNLOOKUP
+#define pgsql_lookup_module_info _lookup_module_info
+#endif
+
+static lookup_info *_lookup_list[] = { &_lookup_info };
+lookup_module_info pgsql_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
/* End of lookups/pgsql.c */