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-rw-r--r--payloads/libpayload/include/stddef.h8
-rw-r--r--src/include/stddef.h8
2 files changed, 14 insertions, 2 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)
diff --git a/src/include/stddef.h b/src/include/stddef.h
index 5b51c00635..d0dad6209c 100644
--- a/src/include/stddef.h
+++ b/src/include/stddef.h
@@ -6,7 +6,13 @@ typedef long ptrdiff_t;
#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
typedef int wchar_t;
typedef unsigned int wint_t;