1 files changed, 129 insertions, 0 deletions
diff --git a/lib/sysdep.h b/lib/sysdep.h
new file mode 100644
index 0000000..40e1407
--- /dev/null
+++ b/lib/sysdep.h
@@ -0,0 +1,129 @@
+/*
+ *	The PCI Library -- System-Dependent Stuff
+ *
+ *	Copyright (c) 1997--2020 Martin Mares <mj@ucw.cz>
+ *
+ *	Can be freely distributed and used under the terms of the GNU GPL v2+
+ *
+ *	SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifdef __GNUC__
+#define UNUSED __attribute__((unused))
+#define NONRET __attribute__((noreturn))
+#define FORMAT_CHECK(x,y,z) __attribute__((format(x,y,z)))
+#else
+#define UNUSED
+#define NONRET
+#define FORMAT_CHECK(x,y,z)
+#define inline
+#endif
+
+typedef u8 byte;
+typedef u16 word;
+
+#ifdef PCI_OS_WINDOWS
+#define strcasecmp _strcmpi
+#define strncasecmp _strnicmp
+#if defined(_MSC_VER) && _MSC_VER < 1800
+#if _MSC_VER < 1300
+#define strtoull strtoul
+#else
+#define strtoull _strtoui64
+#endif
+#endif
+#if defined(_MSC_VER) && _MSC_VER < 1900
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+#endif
+#endif
+
+#ifdef PCI_HAVE_LINUX_BYTEORDER_H
+
+#include <asm/byteorder.h>
+#define cpu_to_le16 __cpu_to_le16
+#define cpu_to_le32 __cpu_to_le32
+#define le16_to_cpu __le16_to_cpu
+#define le32_to_cpu __le32_to_cpu
+
+#else
+
+#ifdef PCI_OS_LINUX
+#include <endian.h>
+#define BYTE_ORDER __BYTE_ORDER
+#define BIG_ENDIAN __BIG_ENDIAN
+#endif
+
+#ifdef PCI_OS_SUNOS
+#include <sys/byteorder.h>
+#if defined(__i386) && defined(LITTLE_ENDIAN)
+# define BYTE_ORDER LITTLE_ENDIAN
+#elif defined(__sparc) && defined(BIG_ENDIAN)
+# define BYTE_ORDER BIG_ENDIAN
+#else
+#define BIG_ENDIAN 4321
+#endif
+#ifndef BYTE_ORDER
+#ifdef _LITTLE_ENDIAN
+#define BYTE_ORDER 1234
+#else
+#define BYTE_ORDER 4321
+#endif
+#endif /* BYTE_ORDER */
+#endif /* PCI_OS_SUNOS */
+
+#ifdef PCI_OS_WINDOWS
+#ifdef __MINGW32__
+  #include <sys/param.h>
+#else
+  #include <io.h>
+  #define BIG_ENDIAN 4321
+  #define LITTLE_ENDIAN	1234
+  #define BYTE_ORDER LITTLE_ENDIAN
+#endif
+#endif
+
+#ifdef PCI_OS_SYLIXOS
+#include <endian.h>
+#endif
+
+#ifdef PCI_OS_DJGPP
+  #define BIG_ENDIAN 4321
+  #define LITTLE_ENDIAN	1234
+  #define BYTE_ORDER LITTLE_ENDIAN
+#endif
+
+#ifdef PCI_OS_AMIGAOS
+  #include <machine/endian.h>
+#endif
+
+#if !defined(BYTE_ORDER)
+#error "BYTE_ORDER not defined for your platform"
+#endif
+
+#if BYTE_ORDER == BIG_ENDIAN
+#define cpu_to_le16 swab16
+#define cpu_to_le32 swab32
+#define le16_to_cpu swab16
+#define le32_to_cpu swab32
+
+static inline word swab16(word w)
+{
+  return (w << 8) | ((w >> 8) & 0xff);
+}
+
+static inline u32 swab32(u32 w)
+{
+  return ((w & 0xff000000) >> 24) |
+         ((w & 0x00ff0000) >> 8) |
+         ((w & 0x0000ff00) << 8)  |
+         ((w & 0x000000ff) << 24);
+}
+#else
+#define cpu_to_le16(x) (x)
+#define cpu_to_le32(x) (x)
+#define le16_to_cpu(x) (x)
+#define le32_to_cpu(x) (x)
+#endif
+
+#endif