*
* Copyright (c) 1997--2022 Martin Mares <mj@ucw.cz>
*
- * Can be freely distributed and used under the terms of the GNU GPL.
+ * Can be freely distributed and used under the terms of the GNU GPL v2+
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
#include <sys/types.h>
+#include <stddef.h>
#ifndef PCI_HAVE_Uxx_TYPES
#define PCI_U64_FMT_X "I64x"
#define PCI_U64_FMT_U "I64u"
-#elif defined(PCI_HAVE_STDINT_H) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
+#else
/* Use standard types in C99 and newer */
#include <stdint.h>
#include <inttypes.h>
typedef uint64_t u64;
#define PCI_U64_FMT_X PRIx64
#define PCI_U64_FMT_U PRIu64
-
-#else
-/* Hope for POSIX types from <sys/types.h> */
-typedef u_int8_t u8;
-typedef u_int16_t u16;
-typedef u_int32_t u32;
-
-/* u64 will be unsigned (long) long */
-#include <limits.h>
-#if ULONG_MAX > 0xffffffff
-typedef unsigned long u64;
-#define PCI_U64_FMT_X "lx"
-#define PCI_U64_FMT_U "lu"
-#else
-typedef unsigned long long u64;
-#define PCI_U64_FMT_X "llx"
-#define PCI_U64_FMT_U "llu"
-#endif
-
#endif
#endif /* PCI_HAVE_Uxx_TYPES */
#if defined(__GNUC__) && __GNUC__ > 2
#define PCI_PRINTF(x,y) __attribute__((format(printf, x, y)))
#define PCI_NONRET __attribute((noreturn))
+#define PCI_PACKED __attribute((packed))
#else
#define PCI_PRINTF(x,y)
#define PCI_NONRET
+#define PCI_PACKED
#endif