diff options
| -rw-r--r-- | src/buffer.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/buffer.h b/src/buffer.h index 5c09f30c40b..34d92fd61c7 100644 --- a/src/buffer.h +++ b/src/buffer.h @@ -53,6 +53,9 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Character position of end of buffer. */ #define Z (current_buffer->text.z) +/* Is the current buffer narrowed? */ +#define NARROWED ((BEGV != BEG) || (ZV != Z)) + /* Modification count. */ #define MODIFF (current_buffer->text.modiff) @@ -98,6 +101,10 @@ the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ /* Character position of end of buffer. */ #define BUF_Z(buf) ((buf)->text.z) +/* Is this buffer narrowed? */ +#define BUF_NARROWED(buf) ((BUF_BEGV(buf) != BUF_BEG(buf)) \ + || (BUF_ZV(buf) != BUF_Z(buf))) + /* Modification count. */ #define BUF_MODIFF(buf) ((buf)->text.modiff) |