edit: Move history save file specification to caller

src/utils/edit.c

@@ -1045,7 +1045,8 @@ static void edit_read_char(int sock, void *eloop_ctx, void *sock_ctx)
 
 int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 	      void (*eof_cb)(void *ctx),
-	      void *ctx)
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file)
 {
 	dl_list_init(&history_list);
 	history_curr = NULL;
@@ -1053,6 +1054,7 @@ int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 	edit_cb_ctx = ctx;
 	edit_cmd_cb = cmd_cb;
 	edit_eof_cb = eof_cb;
+	edit_completion_cb = completion_cb;
 
 	tcgetattr(STDIN_FILENO, &prevt);
 	newt = prevt;
@@ -1068,7 +1070,8 @@ int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 }
 
 
-void edit_deinit(void)
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
 {
 	struct edit_history *h;
 	while ((h = dl_list_first(&history_list, struct edit_history, list))) {
@@ -1093,14 +1096,3 @@ void edit_redraw(void)
 	}
 	fflush(stdout);
 }
-
-
-void edit_set_filter_history_cb(int (*cb)(void *ctx, const char *cmd))
-{
-}
-
-
-void edit_set_completion_cb(char ** (*cb)(void *ctx, const char *cmd, int pos))
-{
-	edit_completion_cb = cb;
-}

src/utils/edit.h

@@ -17,12 +17,11 @@
 
 int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 	      void (*eof_cb)(void *ctx),
-	      void *ctx);
-void edit_deinit(void);
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file);
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd));
 void edit_clear_line(void);
 void edit_redraw(void);
-void edit_set_filter_history_cb(int (*cb)(void *ctx, const char *cmd));
-void edit_set_completion_cb(char ** (*cb)(void *ctx, const char *cmd,
-					  int pos));
 
 #endif /* EDIT_H */

src/utils/edit_readline.c

@@ -24,7 +24,6 @@
 static void *edit_cb_ctx;
 static void (*edit_cmd_cb)(void *ctx, char *cmd);
 static void (*edit_eof_cb)(void *ctx);
-static int (*edit_filter_history_cb)(void *ctx, const char *cmd) = NULL;
 static char ** (*edit_completion_cb)(void *ctx, const char *cmd, int pos) =
 	NULL;
 
@@ -116,34 +115,20 @@ static void readline_cmd_handler(char *cmd)
 }
 
 
-static char *readline_hfile = NULL;
-
 int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 	      void (*eof_cb)(void *ctx),
-	      void *ctx)
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file)
 {
-	char *home;
-
 	edit_cb_ctx = ctx;
 	edit_cmd_cb = cmd_cb;
 	edit_eof_cb = eof_cb;
+	edit_completion_cb = completion_cb;
 
 	rl_attempted_completion_function = readline_completion;
-	home = getenv("HOME");
-	if (home) {
-		const char *fname = ".wpa_cli_history";
-		int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
-		readline_hfile = os_malloc(hfile_len);
-		if (readline_hfile) {
-			int res;
-			res = os_snprintf(readline_hfile, hfile_len, "%s/%s",
-					  home, fname);
-			if (res >= 0 && res < hfile_len) {
-				readline_hfile[hfile_len - 1] = '\0';
-				read_history(readline_hfile);
-				stifle_history(100);
-			}
-		}
+	if (history_file) {
+		read_history(history_file);
+		stifle_history(100);
 	}
 
 	eloop_register_read_sock(STDIN_FILENO, edit_read_char, NULL, NULL);
@@ -154,14 +139,15 @@ int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 }
 
 
-void edit_deinit(void)
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
 {
 	rl_callback_handler_remove();
 	readline_free_completions();
 
 	eloop_unregister_read_sock(STDIN_FILENO);
 
-	if (readline_hfile) {
+	if (history_file) {
 		/* Save command history, excluding lines that may contain
 		 * passwords. */
 		HIST_ENTRY *h;
@@ -170,8 +156,7 @@ void edit_deinit(void)
 			char *p = h->line;
 			while (*p == ' ' || *p == '\t')
 				p++;
-			if (edit_filter_history_cb &&
-			    edit_filter_history_cb(edit_cb_ctx, p)) {
+			if (filter_cb && filter_cb(edit_cb_ctx, p)) {
 				h = remove_history(where_history());
 				if (h) {
 					os_free(h->line);
@@ -182,9 +167,7 @@ void edit_deinit(void)
 			} else
 				next_history();
 		}
-		write_history(readline_hfile);
-		os_free(readline_hfile);
-		readline_hfile = NULL;
+		write_history(history_file);
 	}
 }
 
@@ -199,15 +182,3 @@ void edit_redraw(void)
 	rl_on_new_line();
 	rl_redisplay();
 }
-
-
-void edit_set_filter_history_cb(int (*cb)(void *ctx, const char *cmd))
-{
-	edit_filter_history_cb = cb;
-}
-
-
-void edit_set_completion_cb(char ** (*cb)(void *ctx, const char *cmd, int pos))
-{
-	edit_completion_cb = cb;
-}

src/utils/edit_simple.c

@@ -62,7 +62,8 @@ static void edit_read_char(int sock, void *eloop_ctx, void *sock_ctx)
 
 int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 	      void (*eof_cb)(void *ctx),
-	      void *ctx)
+	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
+	      void *ctx, const char *history_file)
 {
 	edit_cb_ctx = ctx;
 	edit_cmd_cb = cmd_cb;
@@ -76,7 +77,8 @@ int edit_init(void (*cmd_cb)(void *ctx, char *cmd),
 }
 
 
-void edit_deinit(void)
+void edit_deinit(const char *history_file,
+		 int (*filter_cb)(void *ctx, const char *cmd))
 {
 	eloop_unregister_read_sock(STDIN_FILENO);
 }
@@ -92,13 +94,3 @@ void edit_redraw(void)
 	cmdbuf[cmdbuf_pos] = '\0';
 	printf("\r> %s", cmdbuf);
 }
-
-
-void edit_set_filter_history_cb(int (*cb)(void *ctx, const char *cmd))
-{
-}
-
-
-void edit_set_completion_cb(char ** (*cb)(void *ctx, const char *cmd, int pos))
-{
-}

wlantest/wlantest_cli.c

@@ -1090,12 +1090,12 @@ static void wlantest_cli_interactive(int s)
 
 	cli.s = s;
 	eloop_register_signal_terminate(wlantest_cli_eloop_terminate, &cli);
-	edit_init(wlantest_cli_edit_cmd_cb, wlantest_cli_edit_eof_cb, &cli);
-	edit_set_completion_cb(wlantest_cli_edit_completion_cb);
+	edit_init(wlantest_cli_edit_cmd_cb, wlantest_cli_edit_eof_cb,
+		  wlantest_cli_edit_completion_cb, &cli, NULL);
 
 	eloop_run();
 
-	edit_deinit();
+	edit_deinit(NULL, NULL);
 	eloop_destroy();
 }
 

wpa_supplicant/wpa_cli.c

@@ -2803,18 +2803,28 @@ static void wpa_cli_edit_eof_cb(void *ctx)
 
 static void wpa_cli_interactive(void)
 {
+	char *home, *hfile = NULL;
 
 	printf("\nInteractive mode\n\n");
 
+	home = getenv("HOME");
+	if (home) {
+		const char *fname = ".wpa_cli_history";
+		int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
+		hfile = os_malloc(hfile_len);
+		if (hfile)
+			os_snprintf(hfile, hfile_len, "%s/%s", home, fname);
+	}
+
 	eloop_register_signal_terminate(wpa_cli_eloop_terminate, NULL);
-	edit_init(wpa_cli_edit_cmd_cb, wpa_cli_edit_eof_cb, NULL);
-	edit_set_filter_history_cb(wpa_cli_edit_filter_history_cb);
-	edit_set_completion_cb(wpa_cli_edit_completion_cb);
+	edit_init(wpa_cli_edit_cmd_cb, wpa_cli_edit_eof_cb,
+		  wpa_cli_edit_completion_cb, NULL, hfile);
 	eloop_register_timeout(ping_interval, 0, wpa_cli_ping, NULL, NULL);
 
 	eloop_run();
 
-	edit_deinit();
+	edit_deinit(hfile, wpa_cli_edit_filter_history_cb);
+	os_free(hfile);
 	eloop_cancel_timeout(wpa_cli_ping, NULL, NULL);
 	wpa_cli_close_connection();
 }