Minor changes

* src/hash.c (_gdbm_hash): Suppress address sanitizer errors.
* src/proto.h (gdbm_file_sync): Add missing return.
* src/lex.l (input_context_pop): Delete current buffer when tos
is reached.

3 files changed, 6 insertions, 5 deletions

diff --git a/src/hash.c b/src/hash.c
index 21d15dc..52fbc82 100644
--- a/src/hash.c
+++ b/src/hash.c
@@ -33,11 +33,11 @@ _gdbm_hash (datum key)
   int   index;          /* Used to cycle through random values. */
 
   /* Set the initial value from key. */
-  value = 0x238F13AF * key.dsize;
+  value = 0x238F13AFu * key.dsize;
   for (index = 0; index < key.dsize; index++)
-    value = (value + (key.dptr[index] << (index*5 % 24))) & 0x7FFFFFFF;
+    value = (value + (key.dptr[index] << ((unsigned) index * 5 % 24))) & 0x7FFFFFFF;
 
-  value = (1103515243 * value + 12345) & 0x7FFFFFFF;  
+  value = (1103515243u * value + 12345) & 0x7FFFFFFF;  
 
   /* Return the value. */
   return((int) value);
diff --git a/src/lex.l b/src/lex.l
index 7840794..7faf046 100644
--- a/src/lex.l
+++ b/src/lex.l
@@ -136,11 +136,11 @@ input_context_pop (void)
   cp = context_tos->parent;
   free (context_tos);
   context_tos = cp;
+  yy_delete_buffer (YY_CURRENT_BUFFER);
   if (!cp)
     return 1;
-
+  
   yylloc = cp->locus;
-  yy_delete_buffer (YY_CURRENT_BUFFER);
   yy_switch_to_buffer (cp->buf);
 
   return 0;
diff --git a/src/proto.h b/src/proto.h
index ab34d75..2171250 100644
--- a/src/proto.h
+++ b/src/proto.h
@@ -127,6 +127,7 @@ gdbm_file_sync (GDBM_FILE dbf)
       GDBM_SET_ERRNO (dbf, GDBM_FILE_SYNC_ERROR, TRUE);
       return 1;
     }
+  return 0;
 #else
   sync ();
   sync ();