busybox/length.c

21 lines
420 B
C

/* vi: set sw=4 ts=4: */
#include "internal.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
const char length_usage[] =
"length STRING\n"
#ifndef BB_FEATURE_TRIVIAL_HELP
"\nPrints out the length of the specified STRING.\n"
#endif
;
extern int length_main(int argc, char **argv)
{
if (argc != 2 || **(argv + 1) == '-')
usage(length_usage);
printf("%lu\n", (long)strlen(argv[1]));
return (TRUE);
}