Tidying: coverity issues

4 files changed, 6 insertions, 5 deletions

diff --git a/src/src/acl.c b/src/src/acl.c
index 0ab6292e1..474b0d181 100644
--- a/src/src/acl.c
+++ b/src/src/acl.c
@@ -1159,11 +1159,11 @@ uschar *
 fn_hdrs_added(void)
 {
 uschar * ret = NULL;
+int size = 0;
+int ptr = 0;
 header_line * h = acl_added_headers;
 uschar * s;
 uschar * cp;
-int size = 0;
-int ptr = 0;
 
 if (!h) return NULL;
 
diff --git a/src/src/exim.c b/src/src/exim.c
index 46e856b7a..490248917 100644
--- a/src/src/exim.c
+++ b/src/src/exim.c
@@ -1272,9 +1272,10 @@ for (i = 0;; i++)
   if (fn_readline != NULL) free(readline_line);
   #endif
 
+  /* yield can only be NULL if ss==p */
   if (ss == p || yield[ptr-1] != '\\')
     {
-    yield[ptr] = 0;
+    if (yield) yield[ptr] = 0;
     break;
     }
   yield[--ptr] = 0;
diff --git a/src/src/expand.c b/src/src/expand.c
index 241916100..922519eb9 100644
--- a/src/src/expand.c
+++ b/src/src/expand.c
@@ -3851,8 +3851,8 @@ expand_string_internal(const uschar *string, BOOL ket_ends, const uschar **left,
 {
 int ptr = 0;
 int size = Ustrlen(string)+ 64;
-int item_type;
 uschar *yield = store_get(size);
+int item_type;
 const uschar *s = string;
 uschar *save_expand_nstring[EXPAND_MAXN+1];
 int save_expand_nlength[EXPAND_MAXN+1];
diff --git a/src/src/lookups/pgsql.c b/src/src/lookups/pgsql.c
index 53d17d7ad..735f85554 100644
--- a/src/src/lookups/pgsql.c
+++ b/src/src/lookups/pgsql.c
@@ -125,11 +125,11 @@ PGconn *pg_conn = NULL;
 PGresult *pg_result = NULL;
 
 int i;
+uschar *result = NULL;
 int ssize = 0;
 int offset = 0;
 int yield = DEFER;
 unsigned int num_fields, num_tuples;
-uschar *result = NULL;
 pgsql_connection *cn;
 uschar *server_copy = NULL;
 uschar *sdata[3];