Changeset 46577995 in mainline for uspace/lib/c/generic/io/klog.c

Timestamp:

2018-01-04T20:50:52Z (8 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/generic/io/klog.c (modified) (1 diff)

uspace/lib/c/generic/io/klog.c

@@ -42 +42 @@
 #include <abi/log.h>
 
-int klog_write(log_level_t lvl, const void *buf, size_t size)
+errno_t klog_write(log_level_t lvl, const void *buf, size_t size)
 {
-        return (int) __SYSCALL4(SYS_KLOG, KLOG_WRITE, (sysarg_t) buf,
+        return (errno_t) __SYSCALL4(SYS_KLOG, KLOG_WRITE, (sysarg_t) buf,
             size, lvl);
 }
 
-int klog_read(void *data, size_t size, size_t *nread)
+errno_t klog_read(void *data, size_t size, size_t *nread)
 {
-        return (int) __SYSCALL5(SYS_KLOG, KLOG_READ, (uintptr_t) data,
+        return (errno_t) __SYSCALL5(SYS_KLOG, KLOG_READ, (uintptr_t) data,
             size, 0, (sysarg_t) nread);
 }