Add directory name as new arg to EXIM_DBOPEN

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

diff --git a/src/src/exim_dbutil.c b/src/src/exim_dbutil.c
index 417a42db61905b089b235947d2f790d18b8c1837..eb3ae16b38d26213d3420f502aa821494eb66c12 100644 (file)
--- a/src/src/exim_dbutil.c
+++ b/src/src/exim_dbutil.c
@@ -2,7 +2,7 @@
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 
@@ -253,18 +253,19 @@ dbfn_open(uschar *name, int flags, open_db *dbblock, BOOL lof)
 int rc;
 struct flock lock_data;
 BOOL read_only = flags == O_RDONLY;
-uschar buffer[256];
+uschar dirname[256], filename[256];
 
 /* The first thing to do is to open a separate file on which to lock. This
 ensures that Exim has exclusive use of the database before it even tries to
 open it. If there is a database, there should be a lock file in existence. */
 
-sprintf(CS buffer, "%s/db/%s.lockfile", spool_directory, name);
+snprintf(CS dirname, sizeof(dirname), "%s/db", spool_directory);
+snprintf(CS filename, sizeof(filename), "%s/%.200s.lockfile", dirname, name);
 
-dbblock->lockfd = Uopen(buffer, flags, 0);
+dbblock->lockfd = Uopen(filename, flags, 0);
 if (dbblock->lockfd < 0)
   {
-  printf("** Failed to open database lock file %s: %s\n", buffer,
+  printf("** Failed to open database lock file %s: %s\n", filename,
     strerror(errno));
   return NULL;
   }
@@ -285,8 +286,9 @@ if (sigalrm_seen) errno = ETIMEDOUT;
 if (rc < 0)
   {
   printf("** Failed to get %s lock for %s: %s",
-    ((flags & O_RDONLY) != 0)? "read" : "write", buffer,
-    (errno == ETIMEDOUT)? "timed out" : strerror(errno));
+    flags & O_WRONLY ? "write" : "read",
+    filename,
+    errno == ETIMEDOUT ? "timed out" : strerror(errno));
   (void)close(dbblock->lockfd);
   return NULL;
   }
@@ -294,12 +296,12 @@ if (rc < 0)
 /* At this point we have an opened and locked separate lock file, that is,
 exclusive access to the database, so we can go ahead and open it. */
 
-sprintf(CS buffer, "%s/db/%s", spool_directory, name);
-EXIM_DBOPEN(buffer, flags, 0, &(dbblock->dbptr));
+sprintf(CS filename, "%s/%s", dirname, name);
+EXIM_DBOPEN(filename, dirname, flags, 0, &(dbblock->dbptr));
 
 if (dbblock->dbptr == NULL)
   {
-  printf("** Failed to open DBM file %s for %s:\n   %s%s\n", buffer,
+  printf("** Failed to open DBM file %s for %s:\n   %s%s\n", filename,
     read_only? "reading" : "writing", strerror(errno),
     #ifdef USE_DB
     " (or Berkeley DB error while opening)"
@@ -801,13 +803,13 @@ for(;;)
         if (record == NULL) printf("not found\n"); else
           {
           time_t tt;
-          int length = 0;     /* Stops compiler warning */
+          /*int length = 0;      Stops compiler warning */
 
           switch(dbdata_type)
             {
             case type_retry:
             retry = (dbdata_retry *)record;
-            length = sizeof(dbdata_retry) + Ustrlen(retry->text);
+            /* length = sizeof(dbdata_retry) + Ustrlen(retry->text); */
 
             switch(fieldno)
               {
@@ -857,7 +859,7 @@ for(;;)
 
             case type_callout:
             callout = (dbdata_callout_cache *)record;
-            length = sizeof(dbdata_callout_cache);
+            /* length = sizeof(dbdata_callout_cache); */
             switch(fieldno)
               {
               case 0: