Move strlower() from find to lib.
diff --git a/lib/lib.c b/lib/lib.c
index 05e377f..81c989a 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -291,6 +291,41 @@
return off-haystack;
}
+char *strlower(char *s)
+{
+ char *try, *new;
+
+ if (!CFG_TOYBOX_I18N) {
+ try = new = xstrdup(s);
+ for (; *s; s++) *(new++) = tolower(*s);
+ } else {
+ // I can't guarantee the string _won't_ expand during reencoding, so...?
+ try = new = xmalloc(strlen(s)*2+1);
+
+ while (*s) {
+ wchar_t c;
+ int len = mbrtowc(&c, s, MB_CUR_MAX, 0);
+
+ if (len < 1) *(new++) = *(s++);
+ else {
+ s += len;
+ // squash title case too
+ c = towlower(c);
+
+ // if we had a valid utf8 sequence, convert it to lower case, and can't
+ // encode back to utf8, something is wrong with your libc. But just
+ // in case somebody finds an exploit...
+ len = wcrtomb(new, c, 0);
+ if (len < 1) error_exit("bad utf8 %x", (int)c);
+ new += len;
+ }
+ }
+ *new = 0;
+ }
+
+ return try;
+}
+
int unescape(char c)
{
char *from = "\\abefnrtv", *to = "\\\a\b\033\f\n\r\t\v";
