[HICN-626] Return output from libhicnlight

Signed-off-by: Angelo Mantellini <angelo.mantellini@cisco.com>
Change-Id: I2351ce4dcefa1311fa09049f87e8317c8fe449f4

1 files changed, 6 insertions, 3 deletions

diff --git a/hicn-light/src/hicn/config/commandParser.c b/hicn-light/src/hicn/config/commandParser.c
index fa3269c9a..f4652fe39 100644
--- a/hicn-light/src/hicn/config/commandParser.c
+++ b/hicn-light/src/hicn/config/commandParser.c
@@ -201,14 +201,17 @@ static CommandOps *commandParser_MatchCommand(CommandParser *state,
 }
 
 CommandReturn commandParser_DispatchCommand(CommandParser *state,
-                                            PARCList *args) {
+                                            PARCList *args,
+                                            char *output,
+                                            size_t output_size) {
+  parcAssertNotNull(output, "output buffer is null\n");
   CommandOps *ops = commandParser_MatchCommand(state, args);
 
   if (ops == NULL) {
-    printf("Command not found.\n");
+    snprintf(output, output_size, "Command not found.\n");
     return CommandReturn_Failure;
   } else {
-    return ops->execute(state, ops, args);
+    return ops->execute(state, ops, args, output, output_size);
   }
 }