#define _FILE_OFFSET_BITS 64
+
+/* Derived from Linux "Features Test Macro" header
+ * Convenience macros to test the versions of gcc (or
+ * a compatible compiler).
+ * Use them like this:
+ * #if GIT_GNUC_PREREQ (2,8)
+ * ... code requiring gcc 2.8 or later ...
+ * #endif
+*/
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+# define GIT_GNUC_PREREQ(maj, min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+ #define GIT_GNUC_PREREQ(maj, min) 0
+#endif
+
+
#ifndef FLEX_ARRAY
/*
* See if our compiler is known to support flexible array members.
#endif
#endif
-#define ARRAY_SIZE(x) (sizeof(x)/sizeof(x[0]))
+
+/*
+ * BUILD_ASSERT_OR_ZERO - assert a build-time dependency, as an expression.
+ * @cond: the compile-time condition which must be true.
+ *
+ * Your compile will fail if the condition isn't true, or can't be evaluated
+ * by the compiler. This can be used in an expression: its value is "0".
+ *
+ * Example:
+ * #define foo_to_char(foo) \
+ * ((char *)(foo) \
+ * + BUILD_ASSERT_OR_ZERO(offsetof(struct foo, string) == 0))
+ */
+#define BUILD_ASSERT_OR_ZERO(cond) \
+ (sizeof(char [1 - 2*!(cond)]) - 1)
+
+#if GIT_GNUC_PREREQ(3, 1)
+ /* &arr[0] degrades to a pointer: a different type from an array */
+# define BARF_UNLESS_AN_ARRAY(arr) \
+ BUILD_ASSERT_OR_ZERO(!__builtin_types_compatible_p(__typeof__(arr), \
+ __typeof__(&(arr)[0])))
+#else
+# define BARF_UNLESS_AN_ARRAY(arr) 0
+#endif
+/*
+ * ARRAY_SIZE - get the number of elements in a visible array
+ * <at> x: the array whose size you want.
+ *
+ * This does not work on pointers, or arrays declared as [], or
+ * function parameters. With correct compiler support, such usage
+ * will cause a build error (see the build_assert_or_zero macro).
+ */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]) + BARF_UNLESS_AN_ARRAY(x))
+
#define bitsizeof(x) (CHAR_BIT * sizeof(x))
#define maximum_signed_value_of_type(a) \
# endif
#elif !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__USLC__) && \
!defined(_M_UNIX) && !defined(__sgi) && !defined(__DragonFly__) && \
- !defined(__TANDEM) && !defined(__QNX__) && !defined(__MirBSD__)
+ !defined(__TANDEM) && !defined(__QNX__) && !defined(__MirBSD__) && \
+ !defined(__CYGWIN__)
#define _XOPEN_SOURCE 600 /* glibc2 and AIX 5.3L need 500, OpenBSD needs 600 for S_ISLNK() */
#define _XOPEN_SOURCE_EXTENDED 1 /* AIX 5.3L needs this */
#endif
#else
#include <poll.h>
#endif
+#ifdef HAVE_BSD_SYSCTL
+#include <sys/sysctl.h>
+#endif
#if defined(__MINGW32__)
/* pull in Windows compatibility stuff */
#elif defined(_MSC_VER)
#include "compat/msvc.h"
#else
+#include <sys/utsname.h>
#include <sys/wait.h>
#include <sys/resource.h>
#include <sys/socket.h>
typedef long intptr_t;
typedef unsigned long uintptr_t;
#endif
-#if defined(__CYGWIN__)
-#undef _XOPEN_SOURCE
-#include <grp.h>
-#define _XOPEN_SOURCE 600
-#else
#undef _ALL_SOURCE /* AIX 5.3L defines a struct list with _ALL_SOURCE. */
#include <grp.h>
#define _ALL_SOURCE 1
#endif
-#endif
/* used on Mac OS X */
#ifdef PRECOMPOSE_UNICODE
#endif
#ifndef NO_OPENSSL
+#ifdef __APPLE__
+#define __AVAILABILITY_MACROS_USES_AVAILABILITY 0
+#include <AvailabilityMacros.h>
+#undef DEPRECATED_ATTRIBUTE
+#define DEPRECATED_ATTRIBUTE
+#undef __AVAILABILITY_MACROS_USES_AVAILABILITY
+#endif
#include <openssl/ssl.h>
#include <openssl/err.h>
+#ifdef NO_HMAC_CTX_CLEANUP
+#define HMAC_CTX_cleanup HMAC_cleanup
+#endif
#endif
/* On most systems <netdb.h> would have given us this, but
#define PRIuMAX "llu"
#endif
+#ifndef SCNuMAX
+#define SCNuMAX PRIuMAX
+#endif
+
#ifndef PRIu32
#define PRIu32 "u"
#endif
/* General helper functions */
extern void vreportf(const char *prefix, const char *err, va_list params);
-extern void vwritef(int fd, const char *prefix, const char *err, va_list params);
extern NORETURN void usage(const char *err);
extern NORETURN void usagef(const char *err, ...) __attribute__((format (printf, 1, 2)));
extern NORETURN void die(const char *err, ...) __attribute__((format (printf, 1, 2)));
extern void set_die_routine(NORETURN_PTR void (*routine)(const char *err, va_list params));
extern void set_error_routine(void (*routine)(const char *err, va_list params));
extern void set_die_is_recursing_routine(int (*routine)(void));
+extern void set_error_handle(FILE *);
extern int starts_with(const char *str, const char *prefix);
#define on_disk_bytes(st) ((st).st_blocks * 512)
#endif
+#ifdef NEEDS_MODE_TRANSLATION
+#undef S_IFMT
+#undef S_IFREG
+#undef S_IFDIR
+#undef S_IFLNK
+#undef S_IFBLK
+#undef S_IFCHR
+#undef S_IFIFO
+#undef S_IFSOCK
+#define S_IFMT 0170000
+#define S_IFREG 0100000
+#define S_IFDIR 0040000
+#define S_IFLNK 0120000
+#define S_IFBLK 0060000
+#define S_IFCHR 0020000
+#define S_IFIFO 0010000
+#define S_IFSOCK 0140000
+#ifdef stat
+#undef stat
+#endif
+#define stat(path, buf) git_stat(path, buf)
+extern int git_stat(const char *, struct stat *);
+#ifdef fstat
+#undef fstat
+#endif
+#define fstat(fd, buf) git_fstat(fd, buf)
+extern int git_fstat(int, struct stat *);
+#ifdef lstat
+#undef lstat
+#endif
+#define lstat(path, buf) git_lstat(path, buf)
+extern int git_lstat(const char *, struct stat *);
+#endif
+
#define DEFAULT_PACKED_GIT_LIMIT \
((1024L * 1024L) * (size_t)(sizeof(void*) >= 8 ? 8192 : 256))
extern void *xrealloc(void *ptr, size_t size);
extern void *xcalloc(size_t nmemb, size_t size);
extern void *xmmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
+extern void *xmmap_gently(void *start, size_t length, int prot, int flags, int fd, off_t offset);
+extern int xopen(const char *path, int flags, ...);
extern ssize_t xread(int fd, void *buf, size_t len);
extern ssize_t xwrite(int fd, const void *buf, size_t len);
extern ssize_t xpread(int fd, void *buf, size_t len, off_t offset);
extern int xdup(int fd);
+extern FILE *xfopen(const char *path, const char *mode);
extern FILE *xfdopen(int fd, const char *mode);
extern int xmkstemp(char *template);
extern int xmkstemp_mode(char *template, int mode);
#define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), (alloc) * sizeof(*(x)))
+static inline char *xstrdup_or_null(const char *str)
+{
+ return str ? xstrdup(str) : NULL;
+}
+
static inline size_t xsize_t(off_t len)
{
if (len > (size_t) len)
}
/* in ctype.c, for kwset users */
-extern const char tolower_trans_tbl[256];
+extern const unsigned char tolower_trans_tbl[256];
/* Sane ctype - no locale, and works with signed chars */
#undef isascii
#define gmtime_r git_gmtime_r
#endif
+#if !defined(USE_PARENS_AROUND_GETTEXT_N) && defined(__GNUC__)
+#define USE_PARENS_AROUND_GETTEXT_N 1
+#endif
+
+#ifndef SHELL_PATH
+# define SHELL_PATH "/bin/sh"
+#endif
+
+#ifndef _POSIX_THREAD_SAFE_FUNCTIONS
+#define flockfile(fh)
+#define funlockfile(fh)
+#define getc_unlocked(fh) getc(fh)
+#endif
+
#endif