Revert WIP parts of previous I didn't mean to commit yet.

1 files changed, 31 insertions, 53 deletions

diff --git a/usr.bin/tmux/cmd-string.c b/usr.bin/tmux/cmd-string.c
index 363a8bfe597..b0565e62235 100644
--- a/usr.bin/tmux/cmd-string.c
+++ b/usr.bin/tmux/cmd-string.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: cmd-string.c,v 1.26 2017/01/16 14:49:14 nicm Exp $ */
+/* $OpenBSD: cmd-string.c,v 1.27 2017/01/16 14:52:25 nicm Exp $ */
 
 /*
  * Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
@@ -54,15 +54,17 @@ cmd_string_ungetc(size_t *p)
 	(*p)--;
 }
 
-int
-cmd_string_split(const char *s, int *rargc, char ***rargv)
+struct cmd_list *
+cmd_string_parse(const char *s, const char *file, u_int line, char **cause)
 {
-	size_t		p = 0;
-	int		ch, argc = 0, append = 0;
-	char	      **argv = NULL, *buf = NULL, *t;
-	const char     *whitespace, *equals;
-	size_t		len = 0;
+	size_t		  p = 0;
+	int		  ch, i, argc = 0;
+	char		**argv = NULL, *buf = NULL, *t;
+	const char	 *whitespace, *equals;
+	size_t		  len = 0;
+	struct cmd_list	 *cmdlist = NULL;
 
+	*cause = NULL;
 	for (;;) {
 		ch = cmd_string_getc(s, &p);
 		switch (ch) {
@@ -113,67 +115,43 @@ cmd_string_split(const char *s, int *rargc, char ***rargv)
 				argc--;
 				memmove(argv, argv + 1, argc * (sizeof *argv));
 			}
-			goto done;
+			if (argc == 0)
+				goto out;
+
+			cmdlist = cmd_list_parse(argc, argv, file, line, cause);
+			goto out;
 		case '~':
-			if (buf != NULL) {
-				append = 1;
+			if (buf == NULL) {
+				t = cmd_string_expand_tilde(s, &p);
+				if (t == NULL)
+					goto error;
+				cmd_string_copy(&buf, t, &len);
 				break;
 			}
-			t = cmd_string_expand_tilde(s, &p);
-			if (t == NULL)
-				goto error;
-			cmd_string_copy(&buf, t, &len);
-			break;
+			/* FALLTHROUGH */
 		default:
-			append = 1;
-			break;
-		}
-		if (append) {
 			if (len >= SIZE_MAX - 2)
 				goto error;
+
 			buf = xrealloc(buf, len + 1);
 			buf[len++] = ch;
+			break;
 		}
-		append = 0;
 	}
 
-done:
-	*rargc = argc;
-	*rargv = argv;
-
-	free(buf);
-	return (0);
-
 error:
-	if (argv != NULL)
-		cmd_free_argv(argc, argv);
-	free(buf);
-	return (-1);
-}
+	xasprintf(cause, "invalid or unknown command: %s", s);
 
-struct cmd_list *
-cmd_string_parse(const char *s, const char *file, u_int line, char **cause)
-{
-	struct cmd_list	 *cmdlist = NULL;
-	int		  argc;
-	char		**argv;
+out:
+	free(buf);
 
-	*cause = NULL;
-	if (cmd_string_split(s, &argc, &argv) != 0)
-		goto error;
-	if (argc != 0) {
-		cmdlist = cmd_list_parse(argc, argv, file, line, cause);
-		if (cmdlist == NULL) {
-			cmd_free_argv(argc, argv);
-			goto error;
-		}
+	if (argv != NULL) {
+		for (i = 0; i < argc; i++)
+			free(argv[i]);
+		free(argv);
 	}
-	cmd_free_argv(argc, argv);
-	return (cmdlist);
 
-error:
-	xasprintf(cause, "invalid or unknown command: %s", s);
-	return (NULL);
+	return (cmdlist);
 }
 
 static void