* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*/
-#include <stdio.h>
-#include <string.h>
-#include <ctype.h>
#include "libbb.h"
-
-void trim(char *s)
+void FAST_FUNC trim(char *s)
{
size_t len = strlen(s);
size_t lws;
/* trim trailing whitespace */
- while (len && isspace(s[len-1])) --len;
+ while (len && isspace(s[len-1]))
+ --len;
/* trim leading whitespace */
- if(len) {
+ if (len) {
lws = strspn(s, " \n\r\t\v");
- memmove(s, s + lws, len -= lws);
+ if (lws) {
+ len -= lws;
+ memmove(s, s + lws, len);
+ }
}
- s[len] = 0;
+ s[len] = '\0';
}