libsa: cstyle cleanup for open/close/read/write sources

stand/libsa/read.c

@@ -89,8 +89,8 @@ read(int fd, void *dest, size_t bcount)
 	/*
 	 * Optimise reads from regular files using a readahead buffer.
 	 * If the request can't be satisfied from the current buffer contents,
-     * check to see if it should be bypassed, or refill the buffer and complete
-     * the request.
+	 * check to see if it should be bypassed, or refill the buffer and
+	 * complete the request.
 	 */
 	resid = bcount;
 	for (;;) {
@@ -109,14 +109,20 @@ read(int fd, void *dest, size_t bcount)
 
 		/* will filling the readahead buffer again not help? */
 		if (resid >= SOPEN_RASIZE) {
-	    /* bypass the rest of the request and leave the buffer empty */
-	    if ((errno = (f->f_ops->fo_read)(f, dest, resid, &cresid)))
+			/*
+			 * bypass the rest of the request and leave the
+			 * buffer empty
+			 */
+			errno = (f->f_ops->fo_read)(f, dest, resid, &cresid);
+			if (errno != 0)
 				return (-1);
 			return (bcount - cresid);
 		}
 
 		/* fetch more data */
-	if ((errno = (f->f_ops->fo_read)(f, f->f_rabuf, SOPEN_RASIZE, &cresid)))
+		errno = (f->f_ops->fo_read)(f, f->f_rabuf, SOPEN_RASIZE,
+		    &cresid);
+		if (errno != 0)
 			return (-1);
 		f->f_raoffset = 0;
 		f->f_ralen = SOPEN_RASIZE - cresid;

stand/libsa/write.c

@@ -67,10 +67,7 @@ __FBSDID("$FreeBSD$");
 #include "stand.h"
 
 ssize_t
-write(fd, dest, bcount)
-	int fd;
-	const void *dest;
-	size_t bcount;
+write(int fd, const void *dest, size_t bcount)
 {
 	struct open_file *f = &files[fd];
 	size_t resid;