busybox/coreutils/length.c

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/* vi: set sw=4 ts=4: */
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/*
* Licensed under GPLv2, see file LICENSE in this tarball for details.
*/
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/* BB_AUDIT SUSv3 N/A -- Apparently a busybox (obsolete?) extension. */
#include "libbb.h"
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/* This is a NOFORK applet. Be very careful! */
int length_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int length_main(int argc, char **argv)
{
if ((argc != 2) || (**(++argv) == '-')) {
bb_show_usage();
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}
printf("%u\n", (unsigned)strlen(*argv));
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return fflush_all();
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}