Refactor lookup argument shuffling

[exim.git] / src / src / search.c

diff --git a/src/src/search.c b/src/src/search.c
index d1633a5e108ee310d7347a2c45ff7e8b6f42e29c..061a9e8644df9a05dbad8f8f844a18d793781ccf 100644 (file)
--- a/src/src/search.c
+++ b/src/src/search.c
@@ -217,6 +217,42 @@ return stype;
 }
 
 
+/* Set the parameters for the three different kinds of lookup.
+Arguments:
+ search_type   the search-type code
+ search                the search-type string
+ query         argument for the search; filename or query
+ fnamep                pointer to return filename
+
+Return:        keyquery        the search-type (for single-key) or query (for query-type)
+ */
+uschar *
+search_args(int search_type, uschar * search, uschar * query, uschar ** fnamep)
+{
+Uskip_whitespace(&query);
+if (mac_islookup(search_type, lookup_absfilequery))
+  {                                    /* query-style but with file (sqlite) */
+  uschar * s = query;
+  if (*query == '/')
+    {
+    while (*query && !isspace(*query)) query++;
+    *fnamep = string_copyn(s, query - s);
+    Uskip_whitespace(&query);
+    }
+  else
+    *fnamep = NULL;
+  return query;                /* remainder after file skipped */
+  }
+if (!mac_islookup(search_type, lookup_querystyle))
+  {                                    /* single-key */
+  *fnamep = query;
+  return search;       /* modifiers important so use "keyquery" for them */
+  }
+*fnamep = NULL;                                /* else query-style */
+return query;
+}
+
+
 
 /*************************************************
 *               Release cached resources         *