blob: 7b123261b1a7d6ad05196258e6f2ca3fa2f742c9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* 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 tarball for details.
*/
#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;
}
|
