Changeset 1814ee4d in mainline for uspace/lib/posix/internal/common.h

Timestamp:

2011-07-29T14:58:39Z (13 years ago)

Author:

Jiří Zárevúcky <zarevucky.jiri@…>

Branches:

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

Children:

e106599

Parents:

d85a01c (diff), 7ae249d (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge libposix

File:

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

uspace/lib/posix/internal/common.h

@@ -43 +43 @@
     __func__, __FILE__, __LINE__), abort())
 
+/* A little helper macro to avoid typing this over and over. */
+#define errnify(func, ...) ({ \
+        int rc = func(__VA_ARGS__); \
+        if (rc < 0) { \
+                errno = -rc; \
+                rc = -1; \
+        } \
+        rc; \
+})
+
 #endif /* LIBPOSIX_COMMON_H_ */