[Libguestfs] [PATCH] ls: in CSV mode, always have a checksum field (RHBZ#1151900).

[Pino Toscano]

Make sure to output the field for checksum even for non-regular files,
as empty, in CSV output mode. This ensures each line has the same number
of fields, regardless of the file type.
---
 cat/ls.c | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/cat/ls.c b/cat/ls.c
index de8248e..2cb4e74 100644
--- a/cat/ls.c
+++ b/cat/ls.c
@@ -524,12 +524,15 @@ show_file (const char *dir, const char *name,
 
   path = full_path (dir, name);
 
-  if (checksum && is_reg (stat->st_mode)) {
-    csum = guestfs_checksum (g, checksum, path);
-    if (!csum)
-      exit (EXIT_FAILURE);
+  if (checksum) {
+    if (is_reg (stat->st_mode)) {
+      csum = guestfs_checksum (g, checksum, path);
+      if (!csum)
+        exit (EXIT_FAILURE);
 
-    output_string (csum);
+      output_string (csum);
+    } else if (csv)
+      output_string ("");
   }
 
   output_string (path);
-- 
1.9.3