Changeset 46577995 in mainline for uspace/lib/c/include/io/chardev.h

Timestamp:

2018-01-04T20:50:52Z (7 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Children:

e211ea04

Parents:

facacc71

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:47:53)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:50:52)

Message:

Use errno_t in all uspace and kernel code.

Change type of every variable, parameter and return value that holds an
<errno.h> constant to either errno_t (the usual case), or sys_errno_t
(some places in kernel). This is for the purpose of self-documentation,
as well as for type-checking with a bit of type definition hackery.

After this commit, HelenOS is free of code that mixes error codes with non-error
values on the assumption that error codes are negative.

File:

• uspace/lib/c/include/io/chardev.h (modified) (1 diff)

uspace/lib/c/include/io/chardev.h

@@ -41 +41 @@
 } chardev_t;
 
-extern int chardev_open(async_sess_t *, chardev_t **);
+extern errno_t chardev_open(async_sess_t *, chardev_t **);
 extern void chardev_close(chardev_t *);
-extern int chardev_read(chardev_t *, void *, size_t, size_t *);
-extern int chardev_write(chardev_t *, const void *, size_t, size_t *);
+extern errno_t chardev_read(chardev_t *, void *, size_t, size_t *);
+extern errno_t chardev_write(chardev_t *, const void *, size_t, size_t *);
 
 #endif