| /* |
| * 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 "common.h" |
| #include <fcntl.h> |
| #include <time.h> |
| #include "fnmatch.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_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 |
| |
| /* 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 |
| |
| 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); |
| |
| #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); |
| |
| /** |
| * 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 */ |
| |
| #endif |