diff options
Diffstat (limited to 'gl/stdio-write.c')
-rw-r--r-- | gl/stdio-write.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/gl/stdio-write.c b/gl/stdio-write.c deleted file mode 100644 index a6a0eb14..00000000 --- a/gl/stdio-write.c +++ /dev/null @@ -1,148 +0,0 @@ -/* POSIX compatible FILE stream write function. - Copyright (C) 2008-2010 Free Software Foundation, Inc. - Written by Bruno Haible <bruno@clisp.org>, 2008. - - 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 - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. */ - -#include <config.h> - -/* Specification. */ -#include <stdio.h> - -/* Replace these functions only if module 'sigpipe' is requested. */ -#if GNULIB_SIGPIPE - -/* On native Windows platforms, SIGPIPE does not exist. When write() is - called on a pipe with no readers, WriteFile() fails with error - GetLastError() = ERROR_NO_DATA, and write() in consequence fails with - error EINVAL. This write() function is at the basis of the function - which flushes the buffer of a FILE stream. */ - -# if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ - -# include <errno.h> -# include <signal.h> -# include <io.h> - -# define WIN32_LEAN_AND_MEAN /* avoid including junk */ -# include <windows.h> - -# define CALL_WITH_SIGPIPE_EMULATION(RETTYPE, EXPRESSION, FAILED) \ - if (ferror (stream)) \ - return (EXPRESSION); \ - else \ - { \ - RETTYPE ret; \ - SetLastError (0); \ - ret = (EXPRESSION); \ - if (FAILED && GetLastError () == ERROR_NO_DATA && ferror (stream)) \ - { \ - int fd = fileno (stream); \ - if (fd >= 0 \ - && GetFileType ((HANDLE) _get_osfhandle (fd)) == FILE_TYPE_PIPE)\ - { \ - /* Try to raise signal SIGPIPE. */ \ - raise (SIGPIPE); \ - /* If it is currently blocked or ignored, change errno from \ - EINVAL to EPIPE. */ \ - errno = EPIPE; \ - } \ - } \ - return ret; \ - } - -# if !REPLACE_PRINTF_POSIX /* avoid collision with printf.c */ -int -printf (const char *format, ...) -{ - int retval; - va_list args; - - va_start (args, format); - retval = vfprintf (stdout, format, args); - va_end (args); - - return retval; -} -# endif - -# if !REPLACE_FPRINTF_POSIX /* avoid collision with fprintf.c */ -int -fprintf (FILE *stream, const char *format, ...) -{ - int retval; - va_list args; - - va_start (args, format); - retval = vfprintf (stream, format, args); - va_end (args); - - return retval; -} -# endif - -# if !REPLACE_VPRINTF_POSIX /* avoid collision with vprintf.c */ -int -vprintf (const char *format, va_list args) -{ - return vfprintf (stdout, format, args); -} -# endif - -# if !REPLACE_VFPRINTF_POSIX /* avoid collision with vfprintf.c */ -int -vfprintf (FILE *stream, const char *format, va_list args) -#undef vfprintf -{ - CALL_WITH_SIGPIPE_EMULATION (int, vfprintf (stream, format, args), ret == EOF) -} -# endif - -int -putchar (int c) -{ - return fputc (c, stdout); -} - -int -fputc (int c, FILE *stream) -#undef fputc -{ - CALL_WITH_SIGPIPE_EMULATION (int, fputc (c, stream), ret == EOF) -} - -int -fputs (const char *string, FILE *stream) -#undef fputs -{ - CALL_WITH_SIGPIPE_EMULATION (int, fputs (string, stream), ret == EOF) -} - -int -puts (const char *string) -#undef puts -{ - FILE *stream = stdout; - CALL_WITH_SIGPIPE_EMULATION (int, puts (string), ret == EOF) -} - -size_t -fwrite (const void *ptr, size_t s, size_t n, FILE *stream) -#undef fwrite -{ - CALL_WITH_SIGPIPE_EMULATION (size_t, fwrite (ptr, s, n, stream), ret < n) -} - -# endif -#endif |