#include <string.h>
#endif
-#ifdef __GNUC__
-/* This just reduces memory requirements, but is not required. */
-#define pb_packed __attribute__((packed))
+/* Macro for defining packed structures (compiler dependent).
+ * This just reduces memory requirements, but is not required.
+ */
+#if defined(__GNUC__) || defined(__clang__)
+ /* For GCC and clang */
+# define PB_PACKED_STRUCT_START
+# define PB_PACKED_STRUCT_END
+# define pb_packed __attribute__((packed))
+#elif defined(__ICCARM__)
+ /* For IAR ARM compiler */
+# define PB_PACKED_STRUCT_START _Pragma("pack(push, 1)")
+# define PB_PACKED_STRUCT_END _Pragma("pack(pop)")
+# define pb_packed
+#elif defined(_MSC_VER)
+ /* For Microsoft Visual C++ */
+# define PB_PACKED_STRUCT_START __pragma(pack(push, 1))
+# define PB_PACKED_STRUCT_END __pragma(pack(pop))
+# define pb_packed
#else
-#define pb_packed
+ /* Unknown compiler */
+# define PB_PACKED_STRUCT_START
+# define PB_PACKED_STRUCT_END
+# define pb_packed
#endif
/* Handly macro for suppressing unreferenced-parameter compiler warnings. */
* structures. Fix that by defining PB_FIELD_16BIT or
* PB_FIELD_32BIT.
*/
+PB_PACKED_STRUCT_START
typedef struct _pb_field_t pb_field_t;
struct _pb_field_t {
* If null, then field will zeroed. */
const void *ptr;
} pb_packed;
+PB_PACKED_STRUCT_END
/* This structure is used for 'bytes' arrays.
* It has the number of bytes in the beginning, and after that an array.