D30548.id90286.diff
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D30548.id90286.diff
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	diff --git a/lib/libc/stdio/fread.c b/lib/libc/stdio/fread.c
	--- a/lib/libc/stdio/fread.c
	+++ b/lib/libc/stdio/fread.c
	@@ -99,6 +99,35 @@
	fp->_r = 0;
	total = resid;
	p = buf;
	+
	+ /*
	+ * If we're unbuffered we know that the buffer in fp is empty so
	+ * we can read directly into buf. This is much faster than a
	+ * series of one byte reads into fp->_nbuf.
	+ */
	+ if ((fp->_flags & __SNBF) != 0 && buf != NULL) {
	+ while (resid > 0) {
	+ /* set up the buffer */
	+ fp->_bf._base = fp->_p = p;
	+ fp->_bf._size = resid;
	+
	+ if (__srefill(fp)) {
	+ /* no more input: return partial result */
	+ count = (total - resid) / size;
	+ break;
	+ }
	+ p += fp->_r;
	+ resid -= fp->_r;
	+ }
	+
	+ /* restore the old buffer (see __smakebuf) */
	+ fp->_bf._base = fp->_p = fp->_nbuf;
	+ fp->_bf._size = 1;
	+ fp->_r = 0;
	+
	+ return (count);
	+ }
	+
	while (resid > (r = fp->_r)) {
	(void)memcpy((void )p, (void )fp->_p, (size_t)r);
	fp->_p += r;