Changes in uspace/lib/c/generic/io/chardev.c [19ea61d:b7fd2a0] in mainline

File:

• uspace/lib/c/generic/io/chardev.c (modified) (10 diffs)

uspace/lib/c/generic/io/chardev.c

@@ -50 +50 @@
  * @return EOK on success, ENOMEM if out of memory, EIO on I/O error
  */
-int chardev_open(async_sess_t *sess, chardev_t **rchardev)
+errno_t chardev_open(async_sess_t *sess, chardev_t **rchardev)
 {
         chardev_t *chardev;
@@ -94 +94 @@
  * @return EOK on success or non-zero error code
  */
-int chardev_read(chardev_t *chardev, void *buf, size_t size, size_t *nread)
+errno_t chardev_read(chardev_t *chardev, void *buf, size_t size, size_t *nread)
 {
         async_exch_t *exch = async_exchange_begin(chardev->sess);
@@ -105 +105 @@
         ipc_call_t answer;
         aid_t req = async_send_0(exch, CHARDEV_READ, &answer);
-        int rc = async_data_read_start(exch, buf, size);
+        errno_t rc = async_data_read_start(exch, buf, size);
         async_exchange_end(exch);
 
@@ -114 +114 @@
         }
 
-        sysarg_t retval;
+        errno_t retval;
         async_wait_for(req, &retval);
 
@@ -124 +124 @@
         *nread = IPC_GET_ARG2(answer);
         /* In case of partial success, ARG1 contains the error code */
-        return IPC_GET_ARG1(answer);
+        return (errno_t) IPC_GET_ARG1(answer);
 
 }
@@ -144 +144 @@
  * @return EOK on success or non-zero error code
  */
-static int chardev_write_once(chardev_t *chardev, const void *data,
+static errno_t chardev_write_once(chardev_t *chardev, const void *data,
     size_t size, size_t *nwritten)
 {
@@ -150 +150 @@
         ipc_call_t answer;
         aid_t req;
-        int rc;
+        errno_t rc;
 
         /* Break down large transfers */
@@ -166 +166 @@
         }
 
-        sysarg_t retval;
+        errno_t retval;
         async_wait_for(req, &retval);
         if (retval != EOK) {
@@ -175 +175 @@
         *nwritten = IPC_GET_ARG2(answer);
         /* In case of partial success, ARG1 contains the error code */
-        return IPC_GET_ARG1(answer);
+        return (errno_t) IPC_GET_ARG1(answer);
 }
 
@@ -193 +193 @@
  * @return EOK on success or non-zero error code
  */
-int chardev_write(chardev_t *chardev, const void *data, size_t size,
+errno_t chardev_write(chardev_t *chardev, const void *data, size_t size,
     size_t *nwritten)
 {
         size_t nw;
         size_t p;
-        int rc;
+        errno_t rc;
 
         p = 0;