Display a message when search with ^W modifier wraps.

NEWS

@@ -42,6 +42,8 @@
 
 * Change default character set on Windows from dos to utf-8.
 
+* Add message when search with ^W wraps (github #459).
+
 * UCRT builds on Windows 10 and later now support Unicode file names
   (github #438).
 

command.c

@@ -47,6 +47,7 @@ extern void *ml_examine;
 extern int wheel_lines;
 extern int def_search_type;
 extern int updown_match;
+extern lbool search_wrapped;
 #if SHELL_ESCAPE || PIPEC
 extern void *ml_shell;
 #endif
@@ -903,6 +904,14 @@ static void prompt(void)
 	if (is_filtering())
 		putstr("& ");
 #endif
+	if (search_wrapped)
+	{
+		if (search_type & SRCH_BACK)
+			error("Search hit top; continuing at bottom", NULL_PARG);
+		else
+			error("Search hit bottom; continuing at top", NULL_PARG);
+		search_wrapped = FALSE;
+	}
 	if (p == NULL || *p == '\0')
 	{
 		at_enter(AT_NORMAL|AT_COLOR_PROMPT);

search.c

@@ -52,6 +52,7 @@ static POSITION prep_startpos;
 static POSITION prep_endpos;
 public POSITION header_start_pos = NULL_POSITION;
 static POSITION header_end_pos;
+public lbool search_wrapped = FALSE;
 
 /*
  * Structures for maintaining a set of ranges for hilites and filtered-out
@@ -1332,6 +1333,7 @@ static int search_range(POSITION pos, POSITION endpos, int search_type, int matc
 					 * the flag so we don't wrap again, and
 					 * continue the search at new pos.
 					 */
+					search_wrapped = TRUE;
 					search_type &= ~SRCH_WRAP;
 					linenum = find_linenum(pos);
 					continue;

version.c

@@ -1006,7 +1006,8 @@ v647  11/16/23  Fix --+option; fix compiler warnings.
 v648  11/16/23  Add lang.h to release.
 v649  12/1/23   Add line number param to --header.
 v650            Add --no-search-header-lines and --no-search-header-columns;
-                add ^L search modifier; add ^P shell command modifier.
+                add ^L search modifier; add ^P shell command modifier;
+				add search wrap message.
 */
 
 char version[] = "650x";