On 07/27/2012 02:02 PM, Yunkai Zhang wrote: > In fact, my fist inner version return EXIT_XXX in send_light_req(), > but I found that EXIT_xxx code defined in exits.h, they seems not > appropriate for library functions (compare to exe_req()/send_req() and > other system calls).Library functions usually return errno instead of > EXIT code. Then simply return -1 for error case. I think we already use eprintf to print error message, it is fine for now to only return EXIT_FAILURE for all collie command. Thanks, Yuan |