Improve loading of files

This fixes a segmentation fault when opening a directory.
Also, opening a file you are not permitted to read, will now give an
error, instead of showing the file as empty.

Based on a patch by Willem van de Krol.

1 files changed, 6 insertions, 1 deletions

diff --git a/editor.c b/editor.c
index 7b0c7b2..9e3aa79 100644
--- a/editor.c
+++ b/editor.c
@@ -2,6 +2,7 @@
 #include <string.h>
 #include <stdarg.h>
 #include <unistd.h>
+#include <errno.h>
 #include "editor.h"
 #include "util.h"
 
@@ -298,7 +299,11 @@ static VisText *vis_text_new(Editor *ed, const char *filename) {
 		}
 	}
 
-	Text *data = text_load(filename && access(filename, F_OK) == 0 ? filename : NULL);
+	Text *data = text_load(filename);
+	if (!data && filename && errno == ENOENT)
+		data = text_load(NULL);
+	if (!data)
+		return NULL;
 	if (filename)
 		text_filename_set(data, filename);