[Libsysio-commit] HEAD: libsysio/drivers/yod fs_yod.c

[Ruth K. <rk...@us...>]

Update of /cvsroot/libsysio/libsysio/drivers/yod
In directory sc8-pr-cvs1:/tmp/cvs-serv4997

Modified Files:
	fs_yod.c 
Log Message:
add native driver changes to yod driver

Index: fs_yod.c
===================================================================
RCS file: /cvsroot/libsysio/libsysio/drivers/yod/fs_yod.c,v
retrieving revision 1.8
retrieving revision 1.9
diff -u -w -b -B -p -r1.8 -r1.9
--- fs_yod.c	12 Nov 2003 21:51:40 -0000	1.8
+++ fs_yod.c	12 Jan 2004 18:09:44 -0000	1.9
@@ -987,7 +987,11 @@ doio(ssize_t (*f)(int, const struct iove
 
 	assert(nino->ni_fd >= 0);
 
-	if (ioctx->ioctx_iovlen && (int )ioctx->ioctx_iovlen < 0)
+	if ((ioctx->ioctx_iovlen && (int )ioctx->ioctx_iovlen < 0) ||
+		!(S_ISREG(ino->i_mode) ||
+                  S_ISCHR(ino->i_mode) ||
+		  S_ISSOCK(ino->i_mode) ||
+		  S_ISFIFO(ino->i_mode)))
 		return -EINVAL;
 
 	/*
@@ -1002,30 +1006,29 @@ doio(ssize_t (*f)(int, const struct iove
 	 * Avoid the reposition call if we're already at the right place.
 	 * Allows us to access pipes and fifos.
 	 */
-	result = nino->ni_fpos;
-	if (ioctx->ioctx_offset != nino->ni_fpos &&
-	    !(S_ISCHR(ino->i_mode) ||
-	      S_ISSOCK(ino->i_mode) ||
-	      S_ISFIFO(ino->i_mode)) &&
-	    (result = lseek_yod(nino->ni_fd,
+	result = ioctx->ioctx_offset; 
+	if (ioctx->ioctx_offset != nino->ni_fpos) {
+	    	result = lseek_yod(nino->ni_fd,
 				ioctx->ioctx_offset,
-				SEEK_SET) == -1)) {
+				SEEK_SET);
+		if (result == -1) {
 		ioctx->ioctx_cc = -1;
 		ioctx->ioctx_errno = errno;
-	} else {
+			goto out;
+		}
+		nino->ni_fpos = result;
+	}	
 		/*
 		 * Call the appropriate (read/write) IO function to
 		 * transfer the data now.
 		 */
-		nino->ni_fpos = result;
 		ioctx->ioctx_cc =
 		    (*f)(nino->ni_fd, ioctx->ioctx_iovec, ioctx->ioctx_iovlen);
 		if (ioctx->ioctx_cc < 0)
 			ioctx->ioctx_errno = errno;
 		if (ioctx->ioctx_cc > 0)
 			nino->ni_fpos += ioctx->ioctx_cc;
-	}
-
+out:
 	ioctx->ioctx_done = 1;
 	return 0;
 }