D31638.id94145.diff
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D31638.id94145.diff
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	Index: lib/libc/string/swab.c
	===================================================================
	--- lib/libc/string/swab.c
	+++ lib/libc/string/swab.c
	@@ -43,15 +43,16 @@
	void
	swab(const void * __restrict from, void * __restrict to, ssize_t len)
	{
	- unsigned long temp;
	- int n;
	- char fp, tp;
	+ unsigned char temp;
	+ size_t n;
	+ const unsigned char *fp;
	+ unsigned char *tp;

	- if (len <= 0)
	+ if (len < 2) // needs to be at least 2 to work
	return;
	- n = len >> 1;
	- fp = (char *)from;
	- tp = (char *)to;
	+ n = (size_t)len >> 1;
	+ fp = (const unsigned char *)from;
	+ tp = (unsigned char *)to;
	#define STEP temp = fp++,tp++ = fp++,tp++ = temp
	/* round to multiple of 8 */
	for (; n & 0x7; --n)