diff options
Diffstat (limited to 'src/buffer.h')
| -rw-r--r-- | src/buffer.h | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/buffer.h b/src/buffer.h index 3acf1423816..d18ef30ea38 100644 --- a/src/buffer.h +++ b/src/buffer.h @@ -959,7 +959,10 @@ bset_width_table (struct buffer *b, Lisp_Object val) b->INTERNAL_FIELD (width_table) = val; } - +/* Convenient check whether buffer B is live. */ + +#define BUFFER_LIVE_P(b) (!NILP (BVAR (b, name))) + /* Chain of all buffers, including killed ones. */ extern struct buffer *all_buffers; @@ -1149,7 +1152,7 @@ BUF_FETCH_MULTIBYTE_CHAR (struct buffer *buf, ptrdiff_t pos) We assume you know which buffer it's pointing into. */ #define OVERLAY_POSITION(P) \ - (MARKERP (P) ? marker_position (P) : (abort (), 0)) + (MARKERP (P) ? marker_position (P) : (emacs_abort (), 0)) /*********************************************************************** @@ -1189,7 +1192,7 @@ extern int last_per_buffer_idx; #define PER_BUFFER_VALUE_P(B, IDX) \ (((IDX) < 0 || IDX >= last_per_buffer_idx) \ - ? (abort (), 0) \ + ? (emacs_abort (), 0) \ : ((B)->local_flags[IDX] != 0)) /* Set whether per-buffer variable with index IDX has a buffer-local @@ -1198,7 +1201,7 @@ extern int last_per_buffer_idx; #define SET_PER_BUFFER_VALUE_P(B, IDX, VAL) \ do { \ if ((IDX) < 0 || (IDX) >= last_per_buffer_idx) \ - abort (); \ + emacs_abort (); \ (B)->local_flags[IDX] = (VAL); \ } while (0) |