Adding upstream version 1.7.2+ds.upstream/1.7.2+ds

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 220 insertions, 0 deletions

diff --git a/src/util/posix.h b/src/util/posix.h
new file mode 100644
index 0000000..7470745
--- /dev/null
+++ b/src/util/posix.h
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) the libgit2 contributors. All rights reserved.
+ *
+ * This file is part of libgit2, distributed under the GNU GPL v2 with
+ * a Linking Exception. For full terms see the included COPYING file.
+ */
+#ifndef INCLUDE_posix_h__
+#define INCLUDE_posix_h__
+
+#include "git2_util.h"
+
+#include <stdlib.h>
+#include <fcntl.h>
+#include <time.h>
+
+/* stat: file mode type testing macros */
+#ifndef S_IFGITLINK
+#define S_IFGITLINK 0160000
+#define S_ISGITLINK(m) (((m) & S_IFMT) == S_IFGITLINK)
+#endif
+
+#ifndef S_IFLNK
+#define S_IFLNK 0120000
+#undef _S_IFLNK
+#define _S_IFLNK S_IFLNK
+#endif
+
+#ifndef S_IWUSR
+#define S_IWUSR 00200
+#endif
+
+#ifndef S_IXUSR
+#define S_IXUSR 00100
+#endif
+
+#ifndef S_ISLNK
+#define S_ISLNK(m) (((m) & _S_IFMT) == _S_IFLNK)
+#endif
+
+#ifndef S_ISDIR
+#define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
+#endif
+
+#ifndef S_ISREG
+#define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
+#endif
+
+#ifndef S_ISFIFO
+#define S_ISFIFO(m) (((m) & _S_IFMT) == _S_IFIFO)
+#endif
+
+/* if S_ISGID is not defined, then don't try to set it */
+#ifndef S_ISGID
+#define S_ISGID 0
+#endif
+
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+#ifndef O_CLOEXEC
+#define O_CLOEXEC 0
+#endif
+#ifndef SOCK_CLOEXEC
+#define SOCK_CLOEXEC 0
+#endif
+
+/* access() mode parameter #defines	*/
+#ifndef F_OK
+#define F_OK 0 /* existence check */
+#endif
+#ifndef W_OK
+#define W_OK 2 /* write mode check */
+#endif
+#ifndef R_OK
+#define R_OK 4 /* read mode check */
+#endif
+
+/* Determine whether an errno value indicates that a read or write failed
+ * because the descriptor is blocked.
+ */
+#if defined(EWOULDBLOCK)
+#define GIT_ISBLOCKED(e) ((e) == EAGAIN || (e) == EWOULDBLOCK)
+#else
+#define GIT_ISBLOCKED(e) ((e) == EAGAIN)
+#endif
+
+/* define some standard errnos that the runtime may be missing.  for example,
+ * mingw lacks EAFNOSUPPORT. */
+#ifndef EAFNOSUPPORT
+#define EAFNOSUPPORT (INT_MAX-1)
+#endif
+
+/* Compiler independent macro to handle signal interrpted system calls */
+#define HANDLE_EINTR(result, x) do {					\
+		result = (x);						\
+	} while (result == -1 && errno == EINTR);
+
+
+/* Provide a 64-bit size for offsets. */
+
+#if defined(_MSC_VER)
+typedef __int64 off64_t;
+#elif defined(__HAIKU__)
+typedef __haiku_std_int64 off64_t;
+#elif defined(__APPLE__)
+typedef __int64_t off64_t;
+#elif defined(_AIX)
+typedef long long off64_t;
+#else
+typedef int64_t off64_t;
+#endif
+
+typedef int git_file;
+
+/**
+ * Standard POSIX Methods
+ *
+ * All the methods starting with the `p_` prefix are
+ * direct ports of the standard POSIX methods.
+ *
+ * Some of the methods are slightly wrapped to provide
+ * saner defaults. Some of these methods are emulated
+ * in Windows platforms.
+ *
+ * Use your manpages to check the docs on these.
+ */
+
+extern ssize_t p_read(git_file fd, void *buf, size_t cnt);
+extern int p_write(git_file fd, const void *buf, size_t cnt);
+
+extern ssize_t p_pread(int fd, void *data, size_t size, off64_t offset);
+extern ssize_t p_pwrite(int fd, const void *data, size_t size, off64_t offset);
+
+#define p_close(fd) close(fd)
+#define p_umask(m) umask(m)
+
+extern int p_open(const char *path, int flags, ...);
+extern int p_creat(const char *path, mode_t mode);
+extern int p_getcwd(char *buffer_out, size_t size);
+extern int p_rename(const char *from, const char *to);
+
+extern int git__page_size(size_t *page_size);
+extern int git__mmap_alignment(size_t *page_size);
+
+/* The number of times `p_fsync` has been called.  Note that this is for
+ * test code only; it it not necessarily thread-safe and should not be
+ * relied upon in production.
+ */
+extern size_t p_fsync__cnt;
+
+/**
+ * Platform-dependent methods
+ */
+#ifdef GIT_WIN32
+#	include "win32/posix.h"
+#else
+#	include "unix/posix.h"
+#endif
+
+#include "strnlen.h"
+
+#ifdef NO_READDIR_R
+GIT_INLINE(int) p_readdir_r(DIR *dirp, struct dirent *entry, struct dirent **result)
+{
+	GIT_UNUSED(entry);
+	*result = readdir(dirp);
+	return 0;
+}
+#else /* NO_READDIR_R */
+#	define p_readdir_r(d,e,r) readdir_r(d,e,r)
+#endif
+
+#ifdef NO_ADDRINFO
+#	include <netdb.h>
+struct addrinfo {
+	struct hostent *ai_hostent;
+	struct servent *ai_servent;
+	struct sockaddr_in ai_addr_in;
+	struct sockaddr *ai_addr;
+	size_t ai_addrlen;
+	int ai_family;
+	int ai_socktype;
+	int ai_protocol;
+	long ai_port;
+	struct addrinfo *ai_next;
+};
+
+extern int p_getaddrinfo(const char *host, const char *port,
+	struct addrinfo *hints, struct addrinfo **info);
+extern void p_freeaddrinfo(struct addrinfo *info);
+extern const char *p_gai_strerror(int ret);
+#else
+#	define p_getaddrinfo(a, b, c, d) getaddrinfo(a, b, c, d)
+#	define p_freeaddrinfo(a) freeaddrinfo(a)
+#	define p_gai_strerror(c) gai_strerror(c)
+#endif /* NO_ADDRINFO */
+
+#ifdef GIT_IO_POLL
+# include <poll.h>
+# define p_poll poll
+#elif GIT_IO_WSAPOLL
+# include <winsock2.h>
+# define p_poll WSAPoll
+#else
+# define POLLIN  0x01
+# define POLLPRI 0x02
+# define POLLOUT 0x04
+# define POLLERR 0x08
+# define POLLHUP 0x10
+
+struct pollfd {
+	int fd;
+	short events;
+	short revents;
+};
+
+extern int p_poll(struct pollfd *fds, unsigned int nfds, int timeout);
+#endif
+
+#endif