#define json_tokener_get_parse_end(tok) ((tok)->char_offset)
#endif
-static void usage(int exitval, const char *errmsg);
+static void usage(const char *argv0, int exitval, const char *errmsg);
static void showmem(void);
static int parseit(int fd, int (*callback)(struct json_object *));
static int showobj(struct json_object *new_obj);
struct rusage rusage;
memset(&rusage, 0, sizeof(rusage));
getrusage(RUSAGE_SELF, &rusage);
- printf("maxrss: %d KB\n", rusage.ru_maxrss);
+ printf("maxrss: %ld KB\n", rusage.ru_maxrss);
#endif
}
return 0;
}
-static void usage(int exitval, const char *errmsg)
+static void usage(const char *argv0, int exitval, const char *errmsg)
{
FILE *fp = stdout;
if (exitval != 0)
fp = stderr;
if (errmsg != NULL)
fprintf(fp, "ERROR: %s\n\n", errmsg);
- fprintf(fp, "Usage: %s [-f] [-n] [-s]\n");
+ fprintf(fp, "Usage: %s [-f] [-n] [-s]\n", argv0);
fprintf(fp, " -f - Format the output with JSON_C_TO_STRING_PRETTY\n");
fprintf(fp, " -n - No output\n");
fprintf(fp, " -s - Parse in strict mode, flags:\n");
json_object *new_obj;
int opt;
- while ((opt = getopt(argc, argv, "fns")) != -1)
+ while ((opt = getopt(argc, argv, "fhns")) != -1)
{
switch (opt)
{
case 'f': formatted_output = 1; break;
case 'n': show_output = 0; break;
case 's': strict_mode = 1; break;
- default: /* '?' */ fprintf(stderr, "Usage: %s [-f]\n", argv[0]); exit(EXIT_FAILURE);
+ case 'h': usage(argv[0], 0, NULL);
+ default: /* '?' */ usage(argv[0], 1, "Unknown arguments");
}
}