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author | Paul Eggert <eggert@cs.ucla.edu> | 2011-04-17 21:03:18 -0700 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2011-04-17 21:03:18 -0700 |
commit | cc2e7b46b8c45216af99090b1ffd683a493c1564 (patch) | |
tree | 5943370f24483206b7152b658d8cedd679d995f8 /lib/unistd.in.h | |
parent | 4581706e272ad522d495dd12040d94b86a333b6d (diff) | |
download | emacs-cc2e7b46b8c45216af99090b1ffd683a493c1564.tar.gz |
Merge from gnulib.
Diffstat (limited to 'lib/unistd.in.h')
-rw-r--r-- | lib/unistd.in.h | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/lib/unistd.in.h b/lib/unistd.in.h index 15893d7eecc..3b58d0f42a5 100644 --- a/lib/unistd.in.h +++ b/lib/unistd.in.h @@ -97,7 +97,8 @@ # include <netdb.h> #endif -#if (@GNULIB_WRITE@ || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ +#if (@GNULIB_READ@ || @GNULIB_WRITE@ \ + || @GNULIB_READLINK@ || @GNULIB_READLINKAT@ \ || @GNULIB_PREAD@ || @GNULIB_PWRITE@ || defined GNULIB_POSIXCHECK) /* Get ssize_t. */ # include <sys/types.h> @@ -1105,6 +1106,28 @@ _GL_WARN_ON_USE (pwrite, "pwrite is unportable - " #endif +#if @GNULIB_READ@ +/* Read up to COUNT bytes from file descriptor FD into the buffer starting + at BUF. See the POSIX:2001 specification + <http://www.opengroup.org/susv3xsh/read.html>. */ +# if @REPLACE_READ@ && @GNULIB_UNISTD_H_NONBLOCKING@ +# if !(defined __cplusplus && defined GNULIB_NAMESPACE) +# undef read +# define read rpl_read +# endif +_GL_FUNCDECL_RPL (read, ssize_t, (int fd, void *buf, size_t count) + _GL_ARG_NONNULL ((2))); +_GL_CXXALIAS_RPL (read, ssize_t, (int fd, void *buf, size_t count)); +# else +/* Need to cast, because on mingw, the third parameter is + unsigned int count + and the return type is 'int'. */ +_GL_CXXALIAS_SYS_CAST (read, ssize_t, (int fd, void *buf, size_t count)); +# endif +_GL_CXXALIASWARN (read); +#endif + + #if @GNULIB_READLINK@ /* Read the contents of the symbolic link FILE and place the first BUFSIZE bytes of it into BUF. Return the number of bytes placed into BUF if @@ -1359,7 +1382,7 @@ _GL_WARN_ON_USE (usleep, "usleep is unportable - " /* Write up to COUNT bytes starting at BUF to file descriptor FD. See the POSIX:2001 specification <http://www.opengroup.org/susv3xsh/write.html>. */ -# if @REPLACE_WRITE@ && @GNULIB_UNISTD_H_SIGPIPE@ +# if @REPLACE_WRITE@ && (@GNULIB_UNISTD_H_NONBLOCKING@ || @GNULIB_UNISTD_H_SIGPIPE@) # if !(defined __cplusplus && defined GNULIB_NAMESPACE) # undef write # define write rpl_write |