diff options
Diffstat (limited to 'lib/unistd.in.h')
-rw-r--r-- | lib/unistd.in.h | 117 |
1 files changed, 76 insertions, 41 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 7cbf58d25..c6d1d13d1 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -59,43 +59,45 @@ # include <winsock2.h> # if !defined _GL_SYS_SOCKET_H # undef socket -# define socket socket_used_without_including_sys_socket_h +# define socket socket_used_without_including_sys_socket_h # undef connect -# define connect connect_used_without_including_sys_socket_h +# define connect connect_used_without_including_sys_socket_h # undef accept -# define accept accept_used_without_including_sys_socket_h +# define accept accept_used_without_including_sys_socket_h # undef bind -# define bind bind_used_without_including_sys_socket_h +# define bind bind_used_without_including_sys_socket_h # undef getpeername -# define getpeername getpeername_used_without_including_sys_socket_h +# define getpeername getpeername_used_without_including_sys_socket_h # undef getsockname -# define getsockname getsockname_used_without_including_sys_socket_h +# define getsockname getsockname_used_without_including_sys_socket_h # undef getsockopt -# define getsockopt getsockopt_used_without_including_sys_socket_h +# define getsockopt getsockopt_used_without_including_sys_socket_h # undef listen -# define listen listen_used_without_including_sys_socket_h +# define listen listen_used_without_including_sys_socket_h # undef recv -# define recv recv_used_without_including_sys_socket_h +# define recv recv_used_without_including_sys_socket_h # undef send -# define send send_used_without_including_sys_socket_h +# define send send_used_without_including_sys_socket_h # undef recvfrom -# define recvfrom recvfrom_used_without_including_sys_socket_h +# define recvfrom recvfrom_used_without_including_sys_socket_h # undef sendto -# define sendto sendto_used_without_including_sys_socket_h +# define sendto sendto_used_without_including_sys_socket_h # undef setsockopt -# define setsockopt setsockopt_used_without_including_sys_socket_h +# define setsockopt setsockopt_used_without_including_sys_socket_h # undef shutdown -# define shutdown shutdown_used_without_including_sys_socket_h +# define shutdown shutdown_used_without_including_sys_socket_h # endif # if !defined _GL_SYS_SELECT_H # undef select -# define select select_used_without_including_sys_select_h +# define select select_used_without_including_sys_select_h # endif # endif #endif /* The definition of GL_LINK_WARNING is copied here. */ +/* The definition of _GL_ARG_NONNULL is copied here. */ + /* OS/2 EMX lacks these macros. */ #ifndef STDIN_FILENO @@ -135,7 +137,8 @@ extern "C" { Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/chown.html>. */ -extern int chown (const char *file, uid_t uid, gid_t gid); +extern int chown (const char *file, uid_t uid, gid_t gid) + _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef chown @@ -239,7 +242,7 @@ extern char **environ; # if !@HAVE_EUIDACCESS@ /* Like access(), except that it uses the effective user id and group id of the current process. */ -extern int euidaccess (const char *filename, int mode); +extern int euidaccess (const char *filename, int mode) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef euidaccess @@ -252,11 +255,12 @@ extern int euidaccess (const char *filename, int mode); #if @GNULIB_FACCESSAT@ # if !@HAVE_FACCESSAT@ -int faccessat (int fd, char const *file, int mode, int flag); +extern int faccessat (int fd, char const *file, int mode, int flag) + _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef faccessat -# define faccessat(d,n,m,f) \ +# define faccessat(d,n,m,f) \ (GL_LINK_WARNING ("faccessat is not portable - " \ "use gnulib module faccessat for portability"), \ faccessat (d, n, m, f)) @@ -273,7 +277,8 @@ int faccessat (int fd, char const *file, int mode, int flag); extern int fchdir (int /*fd*/); /* Gnulib internal hooks needed to maintain the fchdir metadata. */ -extern int _gl_register_fd (int fd, const char *filename); +extern int _gl_register_fd (int fd, const char *filename) + _GL_ARG_NONNULL ((2)); extern void _gl_unregister_fd (int fd); extern int _gl_register_dup (int oldfd, int newfd); extern const char *_gl_directory_name (int fd); @@ -294,11 +299,12 @@ extern const char *_gl_directory_name (int fd); # define fchownat rpl_fchownat # endif # if !@HAVE_FCHOWNAT@ || @REPLACE_FCHOWNAT@ -extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag); +extern int fchownat (int fd, char const *file, uid_t owner, gid_t group, int flag) + _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef fchownat -# define fchownat(d,n,o,g,f) \ +# define fchownat(d,n,o,g,f) \ (GL_LINK_WARNING ("fchownat is not portable - " \ "use gnulib module openat for portability"), \ fchownat (d, n, o, g, f)) @@ -378,7 +384,7 @@ extern char * getcwd (char *buf, size_t size); If the NIS domain name is longer than LEN, set errno = EINVAL and return -1. Return 0 if successful, otherwise set errno and return -1. */ # if !@HAVE_GETDOMAINNAME@ -extern int getdomainname(char *name, size_t len); +extern int getdomainname(char *name, size_t len) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef getdomainname @@ -439,7 +445,7 @@ int getgroups (int n, gid_t *groups); # define gethostname rpl_gethostname # endif # if @UNISTD_H_HAVE_WINSOCK2_H@ || !@HAVE_GETHOSTNAME@ -extern int gethostname(char *name, size_t len); +extern int gethostname(char *name, size_t len) _GL_ARG_NONNULL ((1)); # endif #elif @UNISTD_H_HAVE_WINSOCK2_H@ # undef gethostname @@ -464,7 +470,7 @@ extern int gethostname(char *name, size_t len); See <http://www.opengroup.org/susv3xsh/getlogin.html>. */ # if !@HAVE_DECL_GETLOGIN_R@ -extern int getlogin_r (char *name, size_t size); +extern int getlogin_r (char *name, size_t size) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef getlogin_r @@ -574,7 +580,8 @@ extern void endusershell (void); Return 0 if successful, otherwise -1 and errno set. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/lchown.html>. */ -extern int lchown (char const *file, uid_t owner, gid_t group); +extern int lchown (char const *file, uid_t owner, gid_t group) + _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef lchown @@ -594,7 +601,8 @@ extern int lchown (char const *file, uid_t owner, gid_t group); See POSIX:2001 specification <http://www.opengroup.org/susv3xsh/link.html>. */ # if !@HAVE_LINK@ || @REPLACE_LINK@ -extern int link (const char *path1, const char *path2); +extern int link (const char *path1, const char *path2) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef link @@ -614,11 +622,12 @@ extern int link (const char *path1, const char *path2); Return 0 if successful, otherwise -1 and errno set. */ # if !@HAVE_LINKAT@ || @REPLACE_LINKAT@ extern int linkat (int fd1, const char *path1, int fd2, const char *path2, - int flag); + int flag) + _GL_ARG_NONNULL ((2, 4)); # endif #elif defined GNULIB_POSIXCHECK # undef linkat -# define link(f1,path1,f2,path2,f) \ +# define link(f1,path1,f2,path2,f) \ (GL_LINK_WARNING ("linkat is unportable - " \ "use gnulib module linkat for portability"), \ linkat (f1, path1, f2, path2,f)) @@ -654,7 +663,7 @@ extern int linkat (int fd1, const char *path1, int fd2, const char *path2, # if @HAVE_PIPE2@ # define pipe2 rpl_pipe2 # endif -extern int pipe2 (int fd[2], int flags); +extern int pipe2 (int fd[2], int flags) _GL_ARG_NONNULL ((1)); #elif defined GNULIB_POSIXCHECK # undef pipe2 # define pipe2(f,o) \ @@ -664,6 +673,27 @@ extern int pipe2 (int fd[2], int flags); #endif +#if @GNULIB_PREAD@ +# if @REPLACE_PREAD@ +# define pread rpl_pread +# endif +/* Read at most BUFSIZE bytes from FD into BUF, starting at OFFSET. + Return the number of bytes placed into BUF if successful, otherwise + set errno and return -1. 0 indicates EOF. See the POSIX:2001 + specification <http://www.opengroup.org/susv3xsh/pread.html>. */ +# if !@HAVE_PREAD@ || @REPLACE_PREAD@ + extern ssize_t pread (int fd, void *buf, size_t bufsize, off_t offset) + _GL_ARG_NONNULL ((2)); +# endif +#elif defined GNULIB_POSIXCHECK +# undef pread +# define pread(f,b,s,o) \ + (GL_LINK_WARNING ("pread is unportable - " \ + "use gnulib module pread for portability"), \ + pread (f, b, s, o)) +#endif + + #if @GNULIB_READLINK@ # if @REPLACE_READLINK@ # define readlink rpl_readlink @@ -674,7 +704,8 @@ extern int pipe2 (int fd[2], int flags); See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/readlink.html>. */ # if !@HAVE_READLINK@ || @REPLACE_READLINK@ -extern ssize_t readlink (const char *file, char *buf, size_t bufsize); +extern ssize_t readlink (const char *file, char *buf, size_t bufsize) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef readlink @@ -687,11 +718,12 @@ extern ssize_t readlink (const char *file, char *buf, size_t bufsize); #if @GNULIB_READLINKAT@ # if !@HAVE_READLINKAT@ -ssize_t readlinkat (int fd, char const *file, char *buf, size_t len); +extern ssize_t readlinkat (int fd, char const *file, char *buf, size_t len) + _GL_ARG_NONNULL ((2, 3)); # endif #elif defined GNULIB_POSIXCHECK # undef readlinkat -# define readlinkat(d,n,b,l) \ +# define readlinkat(d,n,b,l) \ (GL_LINK_WARNING ("readlinkat is not portable - " \ "use gnulib module symlinkat for portability"), \ readlinkat (d, n, b, l)) @@ -702,7 +734,7 @@ ssize_t readlinkat (int fd, char const *file, char *buf, size_t len); # if @REPLACE_RMDIR@ # define rmdir rpl_rmdir /* Remove the directory DIR. */ -extern int rmdir (char const *name); +extern int rmdir (char const *name) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef rmdir @@ -740,11 +772,12 @@ extern unsigned int sleep (unsigned int n); # define symlink rpl_symlink # endif # if !@HAVE_SYMLINK@ || @REPLACE_SYMLINK@ -int symlink (char const *contents, char const *file); +extern int symlink (char const *contents, char const *file) + _GL_ARG_NONNULL ((1, 2)); # endif #elif defined GNULIB_POSIXCHECK # undef symlink -# define symlink(c,n) \ +# define symlink(c,n) \ (GL_LINK_WARNING ("symlink is not portable - " \ "use gnulib module symlink for portability"), \ symlink (c, n)) @@ -753,11 +786,12 @@ int symlink (char const *contents, char const *file); #if @GNULIB_SYMLINKAT@ # if !@HAVE_SYMLINKAT@ -int symlinkat (char const *contents, int fd, char const *file); +extern int symlinkat (char const *contents, int fd, char const *file) + _GL_ARG_NONNULL ((1, 3)); # endif #elif defined GNULIB_POSIXCHECK # undef symlinkat -# define symlinkat(c,d,n) \ +# define symlinkat(c,d,n) \ (GL_LINK_WARNING ("symlinkat is not portable - " \ "use gnulib module symlinkat for portability"), \ symlinkat (c, d, n)) @@ -768,7 +802,7 @@ int symlinkat (char const *contents, int fd, char const *file); # if @REPLACE_UNLINK@ # undef unlink # define unlink rpl_unlink -extern int unlink (char const *file); +extern int unlink (char const *file) _GL_ARG_NONNULL ((1)); # endif #elif defined GNULIB_POSIXCHECK # undef unlink @@ -785,7 +819,7 @@ extern int unlink (char const *file); # define unlinkat rpl_unlinkat # endif # if !@HAVE_UNLINKAT@ || @REPLACE_UNLINKAT@ -extern int unlinkat (int fd, char const *file, int flag); +extern int unlinkat (int fd, char const *file, int flag) _GL_ARG_NONNULL ((2)); # endif #elif defined GNULIB_POSIXCHECK # undef unlinkat @@ -823,7 +857,8 @@ extern int usleep (useconds_t n); <http://www.opengroup.org/susv3xsh/write.html>. */ # undef write # define write rpl_write -extern ssize_t write (int fd, const void *buf, size_t count); +extern ssize_t write (int fd, const void *buf, size_t count) + _GL_ARG_NONNULL ((2)); #endif |