X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=lib%2Fisapipe.c;h=8b2d09e52707404ba63d1a9040f035469e122dda;hb=964bbc2d419584e93fe629ddbc40595612f62083;hp=495cba6a6af3de0b3cc089c1021604a7f4caab82;hpb=f908ffa5808d84915d960bc4817a44b66d49719b;p=gnulib.git diff --git a/lib/isapipe.c b/lib/isapipe.c index 495cba6a6..8b2d09e52 100644 --- a/lib/isapipe.c +++ b/lib/isapipe.c @@ -1,6 +1,6 @@ /* Test whether a file descriptor is a pipe. - Copyright (C) 2006, 2008 Free Software Foundation, Inc. + Copyright (C) 2006, 2008-2013 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 @@ -26,12 +26,12 @@ #if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ /* Windows platforms. */ -/* Get _get_osfhandle. */ -# include - /* Get GetFileType. */ # include +/* Get _get_osfhandle. */ +# include "msvc-nothrow.h" + int isapipe (int fd) { @@ -87,28 +87,28 @@ isapipe (int fd) On Darwin 7.7, pipes are sockets, so check for those instead. */ if (! ((HAVE_FIFO_PIPES == 0 || HAVE_FIFO_PIPES == 1) - && PIPE_LINK_COUNT_MAX != (nlink_t) -1) + && PIPE_LINK_COUNT_MAX != (nlink_t) -1) && (S_ISFIFO (st.st_mode) | S_ISSOCK (st.st_mode))) { int fd_pair[2]; int pipe_result = pipe (fd_pair); if (pipe_result != 0) - return pipe_result; + return pipe_result; else - { - struct stat pipe_st; - int fstat_pipe_result = fstat (fd_pair[0], &pipe_st); - int fstat_pipe_errno = errno; - close (fd_pair[0]); - close (fd_pair[1]); - if (fstat_pipe_result != 0) - { - errno = fstat_pipe_errno; - return fstat_pipe_result; - } - check_for_fifo = (S_ISFIFO (pipe_st.st_mode) != 0); - pipe_link_count_max = pipe_st.st_nlink; - } + { + struct stat pipe_st; + int fstat_pipe_result = fstat (fd_pair[0], &pipe_st); + int fstat_pipe_errno = errno; + close (fd_pair[0]); + close (fd_pair[1]); + if (fstat_pipe_result != 0) + { + errno = fstat_pipe_errno; + return fstat_pipe_result; + } + check_for_fifo = (S_ISFIFO (pipe_st.st_mode) != 0); + pipe_link_count_max = pipe_st.st_nlink; + } } return