X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Finclude%2Ferr.h;fp=src%2Fceph%2Fsrc%2Finclude%2Ferr.h;h=ba4b32aec38ced8ae1b7f802b082b26f5c71133c;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/include/err.h b/src/ceph/src/include/err.h
new file mode 100644
index 0000000..ba4b32a
--- /dev/null
+++ b/src/ceph/src/include/err.h
@@ -0,0 +1,29 @@
+#ifndef CEPH_ERR_H
+#define CEPH_ERR_H
+
+/*
+ * adapted from linux 2.6.24 include/linux/err.h
+ */
+#define MAX_ERRNO 4095
+#define IS_ERR_VALUE(x) ((x) >= (unsigned long)-MAX_ERRNO)
+
+#include <errno.h>
+
+/* this generates a warning in c++; caller can do the cast manually
+static inline void *ERR_PTR(long error)
+{
+  return (void *) error;
+}
+*/
+
+static inline long PTR_ERR(const void *ptr)
+{
+  return (long) ptr;
+}
+
+static inline long IS_ERR(const void *ptr)
+{
+  return IS_ERR_VALUE((unsigned long)ptr);
+}
+
+#endif