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-rw-r--r--payloads/libpayload/include/stddef.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/payloads/libpayload/include/stddef.h b/payloads/libpayload/include/stddef.h
index 91ae78237a..f9deaeb0dc 100644
--- a/payloads/libpayload/include/stddef.h
+++ b/payloads/libpayload/include/stddef.h
@@ -5,7 +5,13 @@
#define __SIZE_TYPE__ unsigned long
#endif
typedef __SIZE_TYPE__ size_t;
-typedef long ssize_t;
+/* There is a GCC macro for a size_t type, but not
+ * for a ssize_t type. Below construct tricks GCC
+ * into making __SIZE_TYPE__ signed.
+ */
+#define unsigned signed
+typedef __SIZE_TYPE__ ssize_t;
+#undef unsigned
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *) 0)->MEMBER)