contstification

[exim.git] / src / src / lookups / cdb.c

diff --git a/src/src/lookups/cdb.c b/src/src/lookups/cdb.c
index 68000c6b4966dd9669b5cdbbcd0ecdb2d74528fa..4ff42ab3e69154ae57cec6ac5893c06430bfeacb 100644 (file)
--- a/src/src/lookups/cdb.c
+++ b/src/src/lookups/cdb.c
@@ -1,5 +1,3 @@
-/* $Cambridge: exim/src/src/lookups/cdb.c,v 1.3 2005/06/27 14:29:44 ph10 Exp $ */
-
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
@@ -20,6 +18,9 @@
  *   Changed over to using unsigned chars
  *   Makes use of lf_check_file() for file checking
  * --------------------------------------------------------------
+ * Modified by The Exim Maintainers 2015:
+ *   const propagation
+ * --------------------------------------------------------------
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -56,7 +57,6 @@
 
 #include "../exim.h"
 #include "lf_functions.h"
-#include "cdb.h"
 
 #ifdef HAVE_MMAP
 #  include <sys/mman.h>
@@ -94,7 +94,7 @@ typedef unsigned int uint32;
  * Internal function to make hash value */
 
 static uint32
-cdb_hash(uschar *buf, unsigned int len)
+cdb_hash(const uschar *buf, unsigned int len)
 {
   uint32 h;
 
@@ -144,7 +144,9 @@ cdb_unpack(uschar *buf)
   return num;
 }
 
-void *
+static void cdb_close(void *handle);
+
+static void *
 cdb_open(uschar *filename,
          uschar **errmsg)
 {
@@ -245,7 +247,7 @@ cdb_open(uschar *filename,
 *             Check entry point                  *
 *************************************************/
 
-BOOL
+static BOOL
 cdb_check(void *handle,
          uschar *filename,
          int modemask,
@@ -270,14 +272,14 @@ cdb_check(void *handle,
 *              Find entry point                  *
 *************************************************/
 
-int
+static int
 cdb_find(void *handle,
         uschar *filename,
-        uschar *keystring,
+        const uschar *keystring,
         int  key_len,
         uschar **result,
         uschar **errmsg,
-        BOOL *do_cache)
+        uint *do_cache)
 {
   struct cdb_state * cdbp = handle;
   uint32 item_key_len,
@@ -296,7 +298,7 @@ cdb_find(void *handle,
   /* Keep picky compilers happy */
   do_cache = do_cache;
 
-  key_hash = cdb_hash((uschar *)keystring, key_len);
+  key_hash = cdb_hash(keystring, key_len);
 
   hash_offset_entry = CDB_HASH_ENTRY * (key_hash & CDB_HASH_MASK);
   hash_offset = cdb_unpack(cdbp->cdb_offsets + hash_offset_entry);
@@ -418,7 +420,7 @@ cdb_find(void *handle,
 
 /* See local README for interface description */
 
-void
+static void
 cdb_close(void *handle)
 {
 struct cdb_state * cdbp = handle;
@@ -434,4 +436,42 @@ struct cdb_state * cdbp = handle;
  (void)close(cdbp->fileno);
 }
 
+
+
+/*************************************************
+*         Version reporting entry point          *
+*************************************************/
+
+/* See local README for interface description. */
+
+#include "../version.h"
+
+void
+cdb_version_report(FILE *f)
+{
+#ifdef DYNLOOKUP
+fprintf(f, "Library version: CDB: Exim version %s\n", EXIM_VERSION_STR);
+#endif
+}
+
+
+lookup_info cdb_lookup_info = {
+  US"cdb",                       /* lookup name */
+  lookup_absfile,                /* uses absolute file name */
+  cdb_open,                      /* open function */
+  cdb_check,                     /* check function */
+  cdb_find,                      /* find function */
+  cdb_close,                     /* close function */
+  NULL,                          /* no tidy function */
+  NULL,                          /* no quoting function */
+  cdb_version_report             /* version reporting */
+};
+
+#ifdef DYNLOOKUP
+#define cdb_lookup_module_info _lookup_module_info
+#endif
+
+static lookup_info *_lookup_list[] = { &cdb_lookup_info };
+lookup_module_info cdb_lookup_module_info = { LOOKUP_MODULE_INFO_MAGIC, _lookup_list, 1 };
+
 /* End of lookups/cdb.c */