+/* vi: set sw=4 ts=4: */
/*
Copyright 2006, Bernhard Fischer
#undef __GNUC_PREREQ
#if defined __GNUC__ && defined __GNUC_MINOR__
# define __GNUC_PREREQ(maj, min) \
- ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
#else
# define __GNUC_PREREQ(maj, min) 0
#endif
# endif
#endif
-#ifndef ATTRIBUTE_UNUSED
-# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
-#endif /* ATTRIBUTE_UNUSED */
+#undef inline
+#if __STDC_VERSION__ > 199901L
+/* it's a keyword */
+#else
+# if __GNUC_PREREQ (2,7)
+# define inline __inline__
+# else
+# define inline
+# endif
+#endif
-#ifndef ATTRIBUTE_NORETURN
-# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
-#endif /* ATTRIBUTE_NORETURN */
+#ifndef __const
+# define __const const
+#endif
-#ifndef ATTRIBUTE_PACKED
+# define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
+# define ATTRIBUTE_NORETURN __attribute__ ((__noreturn__))
# define ATTRIBUTE_PACKED __attribute__ ((__packed__))
-#endif /* ATTRIBUTE_PACKED */
-
-#ifndef ATTRIBUTE_ALIGNED
# define ATTRIBUTE_ALIGNED(m) __attribute__ ((__aligned__(m)))
-#endif /* ATTRIBUTE_ALIGNED */
+# if __GNUC_PREREQ (3,0)
+# define ATTRIBUTE_ALWAYS_INLINE __attribute__ ((always_inline)) inline
+# else
+# define ATTRIBUTE_ALWAYS_INLINE inline
+# endif
/* -fwhole-program makes all symbols local. The attribute externally_visible
forces a symbol global. */
-#ifndef ATTRIBUTE_EXTERNALLY_VISIBLE
# if __GNUC_PREREQ (4,1)
# define ATTRIBUTE_EXTERNALLY_VISIBLE __attribute__ ((__externally_visible__))
# else
# define ATTRIBUTE_EXTERNALLY_VISIBLE
# endif /* GNUC >= 4.1 */
-#endif /* ATTRIBUTE_EXTERNALLY_VISIBLE */
/* We use __extension__ in some places to suppress -pedantic warnings
about GCC extensions. This feature didn't work properly before
# endif
#endif
+/* gcc-2.95 had no va_copy but only __va_copy. */
+#if !__GNUC_PREREQ (3,0)
+# include <stdarg.h>
+# if !defined va_copy && defined __va_copy
+# define va_copy(d,s) __va_copy((d),(s))
+# endif
+#endif
+
/* ---- Endian Detection ------------------------------------ */
-#ifndef __APPLE__
+
+#if (defined __digital__ && defined __unix__)
+# include <sex.h>
+# define __BIG_ENDIAN__ (BYTE_ORDER == BIG_ENDIAN)
+# define __BYTE_ORDER BYTE_ORDER
+#elif !defined __APPLE__
# include <byteswap.h>
# include <endian.h>
#endif
# define BB_LITTLE_ENDIAN 1
#endif
+#if BB_BIG_ENDIAN
+#define SWAP_BE16(x) (x)
+#define SWAP_BE32(x) (x)
+#define SWAP_BE64(x) (x)
+#define SWAP_LE16(x) bswap_16(x)
+#define SWAP_LE32(x) bswap_32(x)
+#define SWAP_LE64(x) bswap_64(x)
+#else
+#define SWAP_BE16(x) bswap_16(x)
+#define SWAP_BE32(x) bswap_32(x)
+#define SWAP_BE64(x) bswap_64(x)
+#define SWAP_LE16(x) (x)
+#define SWAP_LE32(x) (x)
+#define SWAP_LE64(x) (x)
+#endif
+
/* ---- Networking ------------------------------------------ */
#ifndef __APPLE__
# include <arpa/inet.h>
# include <netinet/in.h>
#endif
+#ifndef __socklen_t_defined
+typedef int socklen_t;
+#endif
+
+/* ---- Compiler dependent settings ------------------------- */
+#ifndef __GNUC__
+#if defined __INTEL_COMPILER
+__extension__ typedef __signed__ long long __s64;
+__extension__ typedef unsigned long long __u64;
+#endif /* __INTEL_COMPILER */
+#endif /* ifndef __GNUC__ */
+
+#if (defined __digital__ && defined __unix__)
+# undef HAVE_MNTENT_H
+#else
+# define HAVE_MNTENT_H 1
+#endif /* ___digital__ && __unix__ */
+
+/*----- Kernel versioning ------------------------------------*/
+#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
+
/* ---- miscellaneous --------------------------------------- */
-/* NLS stuff */
+
+#if defined(__GNU_LIBRARY__) && __GNU_LIBRARY__ < 5 && \
+ !defined(__dietlibc__) && \
+ !defined(_NEWLIB_VERSION) && \
+ !(defined __digital__ && defined __unix__)
+# error "Sorry, this libc version is not supported :("
+#endif
+
+// Don't perpetuate e2fsck crap into the headers. Clean up e2fsck instead.
+
+#if defined __GLIBC__ || defined __UCLIBC__ \
+ || defined __dietlibc__ || defined _NEWLIB_VERSION
+#include <features.h>
+#define HAVE_FEATURES_H
+#include <stdint.h>
+#define HAVE_STDINT_H
+#else
+/* Largest integral types. */
+#if __BIG_ENDIAN__
+typedef long int intmax_t;
+typedef unsigned long int uintmax_t;
+#else
+__extension__
+typedef long long int intmax_t;
+__extension__
+typedef unsigned long long int uintmax_t;
+#endif
+#endif
+
+/* uclibc does not implement daemon() for no-mmu systems.
+ * For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
+ * For earlier versions there is no reliable way to check if we are building
+ * for a mmu-less system; the user should pass EXTRA_CFLAGS="-DBB_NOMMU"
+ * on his own.
+ */
+#if defined __UCLIBC__ && __UCLIBC_MAJOR__ >= 0 && __UCLIBC_MINOR__ >= 9 && \
+ __UCLIBC_SUBLEVEL__ > 28 && !defined __ARCH_USE_MMU__
+#define BB_NOMMU
+#endif
+
+/* Platforms that haven't got dprintf need to implement fdprintf() in
+ * libbb. This would require a platform.c. It's not going to be cleaned
+ * out of the tree, so stop saying it should be. */
+#define fdprintf dprintf
+
+/* Don't use lchown with glibc older then 2.1.x ... uC-libc lacks it */
+#if (defined __GLIBC__ && __GLIBC__ <= 2 && __GLIBC_MINOR__ < 1) || \
+ defined __UC_LIBC__
+# define lchown chown
+#endif
+
/* THIS SHOULD BE CLEANED OUT OF THE TREE ENTIRELY */
-#define _(Text) Text
-#define N_(Text) (Text)
+/* FIXME: fix tar.c! */
+#ifndef FNM_LEADING_DIR
+#define FNM_LEADING_DIR 0
+#endif
+
+#if (defined __digital__ && defined __unix__)
+#include <standards.h>
+#define HAVE_STANDARDS_H
+#include <inttypes.h>
+#define HAVE_INTTYPES_H
+#define PRIu32 "u"
+
+/* use legacy setpgrp(pidt_,pid_t) for now. move to platform.c */
+#define bb_setpgrp do{pid_t __me = getpid();setpgrp(__me,__me);}while(0)
+
+#if !defined ADJ_OFFSET_SINGLESHOT && defined MOD_CLKA && defined MOD_OFFSET
+#define ADJ_OFFSET_SINGLESHOT (MOD_CLKA | MOD_OFFSET)
+#endif
+#if !defined ADJ_FREQUENCY && defined MOD_FREQUENCY
+#define ADJ_FREQUENCY MOD_FREQUENCY
+#endif
+#if !defined ADJ_TIMECONST && defined MOD_TIMECONST
+#define ADJ_TIMECONST MOD_TIMECONST
+#endif
+#if !defined ADJ_TICK && defined MOD_CLKB
+#define ADJ_TICK MOD_CLKB
+#endif
+
+#else
+#define bb_setpgrp setpgrp()
+#endif
+
+#if defined(__linux__)
+#include <sys/mount.h>
+// Make sure we have all the new mount flags we actually try to use.
+#ifndef MS_BIND
+#define MS_BIND (1<<12)
+#endif
+#ifndef MS_MOVE
+#define MS_MOVE (1<<13)
+#endif
+#ifndef MS_RECURSIVE
+#define MS_RECURSIVE (1<<14)
+#endif
+#ifndef MS_SILENT
+#define MS_SILENT (1<<15)
+#endif
+
+// The shared subtree stuff, which went in around 2.6.15
+#ifndef MS_UNBINDABLE
+#define MS_UNBINDABLE (1<<17)
+#endif
+#ifndef MS_PRIVATE
+#define MS_PRIVATE (1<<18)
+#endif
+#ifndef MS_SLAVE
+#define MS_SLAVE (1<<19)
+#endif
+#ifndef MS_SHARED
+#define MS_SHARED (1<<20)
+#endif
+
+
+#if !defined(BLKSSZGET)
+#define BLKSSZGET _IO(0x12, 104)
+#endif
+#if !defined(BLKGETSIZE64)
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)
+#endif
+#endif
#endif /* platform.h */