*
* Copyright (C) 2003 Manuel Novoa III <mjn3@codepoet.org>
*
- * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
#include "libbb.h"
-char *skip_whitespace(const char *s)
+char* FAST_FUNC skip_whitespace(const char *s)
{
- /* NB: isspace('\0') returns 0 */
- while (isspace(*s)) ++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 *skip_non_whitespace(const char *s)
+char* FAST_FUNC skip_non_whitespace(const char *s)
{
- while (*s && !isspace(*s)) ++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)
+{
+ if (is_prefixed_with(tty_name, "/dev/"))
+ tty_name += 5;
+ return (char*)tty_name;
+}