vis: strip double leading slashes of paths

This fixes the internal representation as well as the path
displayed in the status bar. Previously opening a file in
the root directory e.g. /foo would be display as //foo.

1 files changed, 3 insertions, 1 deletions

diff --git a/vis.c b/vis.c
index dc2c984..b689e6f 100644
--- a/vis.c
+++ b/vis.c
@@ -160,8 +160,10 @@ static char *absolute_path(const char *name) {
 	char *base = basename(copy2);
 	if (!(path_absolute = realpath(dir, NULL)))
 		goto err;
+	if (strcmp(path_absolute, "/") == 0)
+		path_absolute[0] = '\0';
 
-	snprintf(path_normalized, sizeof(path_normalized)-1, "%s/%s",
+	snprintf(path_normalized, sizeof(path_normalized), "%s/%s",
 	         path_absolute, base);
 err:
 	free(copy1);