gdb: Extend the comments in c-exp.y

[deliverable/binutils-gdb.git] / gdb / valprint.c

diff --git a/gdb/valprint.c b/gdb/valprint.c
index d1d3232e10d7d7d1eb668c6ea2be0bb485b3f799..b2236f8931845dd593642fd5a903b55f1d433353 100644 (file)
--- a/gdb/valprint.c
+++ b/gdb/valprint.c
@@ -1604,6 +1604,7 @@ maybe_negate_by_bytes (const gdb_byte *bytes, unsigned len,
                       gdb::byte_vector *out_vec)
 {
   gdb_byte sign_byte;
+  gdb_assert (len > 0);
   if (byte_order == BFD_ENDIAN_BIG)
     sign_byte = bytes[0];
   else
@@ -2360,13 +2361,13 @@ generic_emit_char (int c, struct type *type, struct ui_file *stream,
 {
   enum bfd_endian byte_order
     = gdbarch_byte_order (get_type_arch (type));
-  gdb_byte *buf;
+  gdb_byte *c_buf;
   int need_escape = 0;
 
-  buf = (gdb_byte *) alloca (TYPE_LENGTH (type));
-  pack_long (buf, type, c);
+  c_buf = (gdb_byte *) alloca (TYPE_LENGTH (type));
+  pack_long (c_buf, type, c);
 
-  wchar_iterator iter (buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type));
+  wchar_iterator iter (c_buf, TYPE_LENGTH (type), encoding, TYPE_LENGTH (type));
 
   /* This holds the printable form of the wchar_t data.  */
   auto_obstack wchar_buf;