Init

usr.lib/libcurses/screen/line_alloc.c

@@ -0,0 +1,32 @@
+#ifndef lint
+static	char sccsid[] = "@(#)line_alloc.c 1.1 94/10/31 SMI"; /* from S5R2 1.1 */
+#endif
+
+#include "curses.ext"
+
+/*
+ * _line_alloc returns a pointer to a new line structure.
+ */
+struct line *
+_line_alloc ()
+{
+	register struct line   *rv = SP->freelist;
+	char *calloc();
+
+#ifdef DEBUG
+	if(outf) fprintf(outf, "mem: _line_alloc (), prev SP->freelist %x\n", SP->freelist);
+#endif
+	if (rv) {
+		SP->freelist = rv -> next;
+	} else {
+#ifdef NONSTANDARD
+		_ec_quit("No lines available in line_alloc", "");
+#else
+		rv = (struct line *) calloc (1, sizeof *rv);
+		rv -> body = (chtype *) calloc (columns, sizeof (chtype));
+#endif
+	}
+	rv -> length = 0;
+	rv -> hash = 0;
+	return rv;
+}