Commit 9e5896c6 authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(Fbuffer_has_markers_at): New function.

(syms_of_marker): defsubr it.
parent fd977703
......@@ -313,6 +313,32 @@ If TYPE is nil, it means the marker stays behind when you insert text at it.")
XMARKER (marker)->insertion_type = ! NILP (type);
return type;
DEFUN ("buffer-has-markers-at", Fbuffer_has_markers_at, Sbuffer_has_markers_at,
1, 1, 0,
"Return t if there are markers pointing at POSITION in the currentbuffer.")
Lisp_Object position;
register Lisp_Object tail;
register int charno;
charno = XINT (position);
if (charno < BEG)
charno = BEG;
if (charno > Z)
charno = Z;
if (charno > GPT) charno += GAP_SIZE;
for (tail = BUF_MARKERS (current_buffer);
XSYMBOL (tail) != XSYMBOL (Qnil);
tail = XMARKER (tail)->chain)
if (XMARKER (tail)->bufpos == charno)
return Qt;
return Qnil;
syms_of_marker ()
......@@ -322,4 +348,5 @@ syms_of_marker ()
defsubr (&Scopy_marker);
defsubr (&Smarker_insertion_type);
defsubr (&Sset_marker_insertion_type);
defsubr (&Sbuffer_has_markers_at);
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