Mercurial > hg > octave-lyh > gnulib-hg
changeset 9953:5605642e7756
Port to native Windows platforms.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 21 Apr 2008 23:47:45 +0200 |
parents | 08dc00159dba |
children | 0f61f5040489 |
files | ChangeLog lib/isapipe.c |
diffstat | 2 files changed, 41 insertions(+), 8 deletions(-) [+] |
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line diff
--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,7 @@ +2008-04-20 Bruno Haible <bruno@clisp.org> + + * lib/isapipe.c: Port to native Windows platforms. + 2008-04-20 Bruno Haible <bruno@clisp.org> * lib/gc-gnulib.c: Include <windows.h> before <wincrypt.h>.
--- a/lib/isapipe.c +++ b/lib/isapipe.c @@ -1,6 +1,6 @@ /* Test whether a file descriptor is a pipe. - Copyright (C) 2006 Free Software Foundation, Inc. + Copyright (C) 2006, 2008 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -22,15 +22,42 @@ #include "isapipe.h" #include <errno.h> -#include <stdbool.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> + +#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ +/* Windows platforms. */ + +/* Get _get_osfhandle. */ +# include <io.h> + +/* Get GetFileType. */ +# include <windows.h> + +int +isapipe (int fd) +{ + HANDLE h = (HANDLE) _get_osfhandle (fd); + + if (h == INVALID_HANDLE_VALUE) + { + errno = EBADF; + return -1; + } + + return (GetFileType (h) == FILE_TYPE_PIPE); +} + +#else +/* Unix platforms. */ + +# include <stdbool.h> +# include <sys/types.h> +# include <sys/stat.h> +# include <unistd.h> /* The maximum link count for pipes; (nlink_t) -1 if not known. */ -#ifndef PIPE_LINK_COUNT_MAX -# define PIPE_LINK_COUNT_MAX ((nlink_t) (-1)) -#endif +# ifndef PIPE_LINK_COUNT_MAX +# define PIPE_LINK_COUNT_MAX ((nlink_t) (-1)) +# endif /* Return 1 if FD is a pipe, 0 if not, -1 (setting errno) on error. @@ -88,3 +115,5 @@ (st.st_nlink <= pipe_link_count_max && (check_for_fifo ? S_ISFIFO (st.st_mode) : S_ISSOCK (st.st_mode))); } + +#endif