Changeset 0d0b319 in mainline for uspace/lib/posix/source/internal/common.h

Timestamp:

2018-01-04T20:03:02Z (6 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

3c7702c0

Parents:

10de842

git-author:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 19:18:29)

git-committer:

Jiří Zárevúcky <zarevucky.jiri@…> (2018-01-04 20:03:02)

Message:

Flip error constants to positive values, and update libposix for the change.

File:

• uspace/lib/posix/source/internal/common.h (modified) (1 diff)

uspace/lib/posix/source/internal/common.h

@@ -50 +50 @@
         } while (0)
 
-/* Convert negative errno to positive errno */
-#define negerrno(func, ...) ({ \
-        int rc = func(__VA_ARGS__); \
-        if (rc < 0) { \
-                errno = -errno; \
-        } \
-        rc; \
-})
-
-/* Convert error code to positive errno and -1 return value */
-#define rcerrno(func, ...) ({ \
-        int rc = func(__VA_ARGS__); \
-        if (rc < 0) \
-                errno = -rc; \
-        rc; \
-})
+/* Checks if the value is a failing error code.
+ * If so, writes the error code to errno and returns true.
+ */
+static inline bool failed(int rc) {
+        if (rc != EOK) {
+                errno = rc;
+                return true;
+        }
+        return false;
+}
 
 extern aoff64_t posix_pos[MAX_OPEN_FILES];