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