Plugging a memory leak by not copying a string twice.

This fixes Savannah bug #47206.


git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@5676 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

ChangeLog

+2016-02-25  Benno Schulenberg  <bensberg@justemail.net>
+	* src/browser.c (do_browser): Plug a memory leak by not copying
+	a string twice.  This fixes Savannah bug #47206.
+
 2016-02-23  Benno Schulenberg  <bensberg@justemail.net>
 	* src/prompt.c (do_statusbar_output, do_statusbar_delete):
 	Rename a variable, for contrast and correctness.

src/browser.c

@@ -322,7 +322,7 @@ char *do_browser(char *path, DIR *dir)
 		/* We've successfully opened the parent directory,
 		 * save the current directory in prev_dir, so that
 		 * we can easily return to it by hitting Enter. */
-		prev_dir = mallocstrcpy(NULL, striponedir(filelist[selected]));
+		prev_dir = striponedir(filelist[selected]);
 
 	    dir = opendir(filelist[selected]);
 	    if (dir == NULL) {
@@ -330,6 +330,8 @@ char *do_browser(char *path, DIR *dir)
 		 * Complain. */
 		statusbar(_("Error reading %s: %s"),
 				filelist[selected], strerror(errno));
+		free(prev_dir);
+		prev_dir = NULL;
 		beep();
 		continue;
 	    }