Escape macro bodies when displaying in help.

functions.c

@@ -527,10 +527,12 @@ binding_t	*bi;
 		else
 			swprintf(t, wsizeof(t), L"%lc", bi->bi_code);
 
-		if (bi->bi_macro)
+		if (bi->bi_macro) {
+		wchar_t	*esc = escstr(bi->bi_macro);
 			swprintf(s, wsizeof(s), L"%-10ls execute macro: %ls",
-				t, bi->bi_macro);
-		else
+				t, esc);
+			free(esc);
+		} else
 			swprintf(s, wsizeof(s), L"%-10ls %ls (%ls)",
 				t, bi->bi_func->fn_desc, bi->bi_func->fn_name);
 

str.c

@@ -135,7 +135,7 @@ wchar_t	**p;
 
 time_t
 parsetime(tm)
-	wchar_t	*tm;
+	const wchar_t	*tm;
 {
 int	h = 0, m = 0, s = 0;
 time_t	i = 0, r = 0;
@@ -211,3 +211,45 @@ wchar_t	t[16];
 
 	return wcsdup(res);
 }
+
+wchar_t *
+escstr(s)
+	const wchar_t	*s;
+{
+wchar_t	*ret, *p;
+
+	if ((ret = calloc(sizeof(wchar_t), wcslen(s) * 2 + 1)) == NULL)
+		return NULL;
+
+	for (p = ret; *s; s++) {
+		switch (*s) {
+		case '\\':
+			*p++ = L'\\';
+			*p++ = L'\\';
+			continue;
+		case '\n':
+			*p++ = L'\\';
+			*p++ = L'n';
+			continue;
+		case '\t':
+			*p++ = L'\\';
+			*p++ = L't';
+			continue;
+		case '\v':
+			*p++ = L'\\';
+			*p++ = L'v';
+			continue;
+		case '\r':
+			*p++ = L'\\';
+			*p++ = L'r';
+			continue;
+		case '"':
+			*p++ = L'\\';
+			*p++ = L'"';
+			continue;
+		}
+
+		*p++ = *s;
+	}
+	return ret;
+}

str.h

@@ -17,7 +17,8 @@
 
 size_t	 tokenise	(const wchar_t *, wchar_t ***result);
 void	 tokfree	(wchar_t ***);
-time_t	 parsetime	(wchar_t *);
+time_t	 parsetime	(const wchar_t *);
 wchar_t	*maketime	(time_t);
+wchar_t	*escstr		(const wchar_t *);
 
 #endif	/* !TTS_STR_H */