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authorPikalaxALT <pikalaxalt@gmail.com>2017-12-15 09:38:53 -0500
committerPikalaxALT <pikalaxalt@gmail.com>2017-12-15 09:39:34 -0500
commitf95a4a932476be2ba99e2fd081e8d2bc6ea12813 (patch)
tree75f67192cb2d7b7b575c94edda318e475239b63c /newlib/libc/errno/errno.c
parentf60aca96985e68c7d8a52eb7bc955fb80e132f73 (diff)
Import newlib and create makefile
Diffstat (limited to 'newlib/libc/errno/errno.c')
-rw-r--r--newlib/libc/errno/errno.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/newlib/libc/errno/errno.c b/newlib/libc/errno/errno.c
new file mode 100644
index 0000000..fd1743d
--- /dev/null
+++ b/newlib/libc/errno/errno.c
@@ -0,0 +1,16 @@
+/* The errno variable is stored in the reentrancy structure. This
+ function returns its address for use by the macro errno defined in
+ errno.h. */
+
+#include <errno.h>
+#include <reent.h>
+
+#ifndef _REENT_ONLY
+
+int *
+__errno ()
+{
+ return &_REENT->_errno;
+}
+
+#endif