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domtop: Turn parse_argv into void

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Currently, the function follows the usual pattern used in our code:

  int ret = -1;
  ...
  ret = 0;
 cleanup:
  return ret;

However, the function always call exit() on error, so the cleanup
label is never jumped onto. Therefore, it doesn't make any sense to
have the parse_argv function return an integer value, if it
effectively can return only value of zero.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2014-08-04 14:37:14 +02:00
parent b2574b4719
commit 859aa405e1
1 changed files with 2 additions and 8 deletions
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10
examples/domtop/domtop.c
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@ -94,13 +94,12 @@ print_usage(const char *progname)
unified_progname);
}
static int
static void
parse_argv(int argc, char *argv[],
const char **uri,
const char **dom_name,
unsigned int *milliseconds)
{
int ret = -1;
int arg;
unsigned long val;
char *p;
@ -155,10 +154,6 @@ parse_argv(int argc, char *argv[],
if (argc > optind)
*dom_name = argv[optind];
ret = 0;
cleanup:
return ret;
}
static int
@ -368,8 +363,7 @@ main(int argc, char *argv[])
unsigned int milliseconds = 500; /* Sleep this long between two API calls */
const int connect_flags = 0; /* No connect flags for now */
if (parse_argv(argc, argv, &uri, &dom_name, &milliseconds) < 0)
goto cleanup;
parse_argv(argc, argv, &uri, &dom_name, &milliseconds);
DEBUG("Proceeding with uri=%s dom_name=%s milliseconds=%u",
uri, dom_name, milliseconds);