#ifndef GIT_COMPAT_UTIL_H
#define GIT_COMPAT_UTIL_H
+#define _FILE_OFFSET_BITS 64
+
#ifndef FLEX_ARRAY
#if defined(__GNUC__) && (__GNUC__ < 3)
#define FLEX_ARRAY 0
#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
-#define _GNU_SOURCE
-#define _BSD_SOURCE
+#define _ALL_SOURCE 1
+#define _GNU_SOURCE 1
+#define _BSD_SOURCE 1
#include <unistd.h>
#include <stdio.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <pwd.h>
+#include <inttypes.h>
+#undef _ALL_SOURCE /* AIX 5.3L defines a struct list with _ALL_SOURCE. */
#include <grp.h>
+#define _ALL_SOURCE 1
#ifndef NO_ICONV
#include <iconv.h>
extern void *git_mmap(void *start, size_t length, int prot, int flags, int fd, off_t offset);
extern int git_munmap(void *start, size_t length);
+/* This value must be multiple of (pagesize * 2) */
#define DEFAULT_PACKED_GIT_WINDOW_SIZE (1 * 1024 * 1024)
#else /* NO_MMAP */
#include <sys/mman.h>
-#define DEFAULT_PACKED_GIT_WINDOW_SIZE (32 * 1024 * 1024)
+
+/* This value must be multiple of (pagesize * 2) */
+#define DEFAULT_PACKED_GIT_WINDOW_SIZE \
+ (sizeof(void*) >= 8 \
+ ? 1 * 1024 * 1024 * 1024 \
+ : 32 * 1024 * 1024)
#endif /* NO_MMAP */
-#define DEFAULT_PACKED_GIT_LIMIT (256 * 1024 * 1024)
+#define DEFAULT_PACKED_GIT_LIMIT \
+ ((1024L * 1024L) * (sizeof(void*) >= 8 ? 8192 : 256))
+
+#ifdef NO_PREAD
+#define pread git_pread
+extern ssize_t git_pread(int fd, void *buf, size_t count, off_t offset);
+#endif
#ifdef NO_SETENV
#define setenv gitsetenv
extern size_t gitstrlcpy(char *, const char *, size_t);
#endif
+#ifdef NO_STRTOUMAX
+#define strtoumax gitstrtoumax
+extern uintmax_t gitstrtoumax(const char *, char **, int);
+#endif
+
extern void release_pack_memory(size_t);
static inline char* xstrdup(const char *str)
return ret;
}
+static inline void *xmmap(void *start, size_t length,
+ int prot, int flags, int fd, off_t offset)
+{
+ void *ret = mmap(start, length, prot, flags, fd, offset);
+ if (ret == MAP_FAILED) {
+ if (!length)
+ return NULL;
+ release_pack_memory(length);
+ ret = mmap(start, length, prot, flags, fd, offset);
+ if (ret == MAP_FAILED)
+ die("Out of memory? mmap failed: %s", strerror(errno));
+ }
+ return ret;
+}
+
static inline ssize_t xread(int fd, void *buf, size_t len)
{
ssize_t nr;
return x;
}
+static inline int prefixcmp(const char *str, const char *prefix)
+{
+ return strncmp(str, prefix, strlen(prefix));
+}
+
#endif