1 /* vi: set sw=4 ts=4: */
3 * skip_whitespace implementation for busybox
5 * Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
7 * Licensed under GPLv2 or later, see file LICENSE in this source tree.
11 char* FAST_FUNC skip_whitespace(const char *s)
13 /* In POSIX/C locale (the only locale we care about: do we REALLY want
14 * to allow Unicode whitespace in, say, .conf files? nuts!)
15 * isspace is only these chars: "\t\n\v\f\r" and space.
16 * "\t\n\v\f\r" happen to have ASCII codes 9,10,11,12,13.
19 while (*s == ' ' || (unsigned char)(*s - 9) <= (13 - 9))
25 char* FAST_FUNC skip_non_whitespace(const char *s)
27 while (*s != '\0' && *s != ' ' && (unsigned char)(*s - 9) > (13 - 9))
33 char* FAST_FUNC skip_dev_pfx(const char *tty_name)
35 if (is_prefixed_with(tty_name, "/dev/"))
37 return (char*)tty_name;