From 868beb15ae02c352005a2df8857f4ebb9bd758fd Mon Sep 17 00:00:00 2001 From: RincewindsHat <12514511+RincewindsHat@users.noreply.github.com> Date: Tue, 23 Aug 2022 19:42:51 +0200 Subject: Sync with the latest Gnulib code (d27c820595) --- gl/full-write.c | 79 --------------------------------------------------------- 1 file changed, 79 deletions(-) delete mode 100644 gl/full-write.c (limited to 'gl/full-write.c') diff --git a/gl/full-write.c b/gl/full-write.c deleted file mode 100644 index beb5bf95..00000000 --- a/gl/full-write.c +++ /dev/null @@ -1,79 +0,0 @@ -/* An interface to read and write that retries (if necessary) until complete. - - Copyright (C) 1993-1994, 1997-2006, 2009-2013 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 - 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 . */ - -#include - -/* Specification. */ -#ifdef FULL_READ -# include "full-read.h" -#else -# include "full-write.h" -#endif - -#include - -#ifdef FULL_READ -# include "safe-read.h" -# define safe_rw safe_read -# define full_rw full_read -# undef const -# define const /* empty */ -#else -# include "safe-write.h" -# define safe_rw safe_write -# define full_rw full_write -#endif - -#ifdef FULL_READ -/* Set errno to zero upon EOF. */ -# define ZERO_BYTE_TRANSFER_ERRNO 0 -#else -/* Some buggy drivers return 0 when one tries to write beyond - a device's end. (Example: Linux 1.2.13 on /dev/fd0.) - Set errno to ENOSPC so they get a sensible diagnostic. */ -# define ZERO_BYTE_TRANSFER_ERRNO ENOSPC -#endif - -/* Write(read) COUNT bytes at BUF to(from) descriptor FD, retrying if - interrupted or if a partial write(read) occurs. Return the number - of bytes transferred. - When writing, set errno if fewer than COUNT bytes are written. - When reading, if fewer than COUNT bytes are read, you must examine - errno to distinguish failure from EOF (errno == 0). */ -size_t -full_rw (int fd, const void *buf, size_t count) -{ - size_t total = 0; - const char *ptr = (const char *) buf; - - while (count > 0) - { - size_t n_rw = safe_rw (fd, ptr, count); - if (n_rw == (size_t) -1) - break; - if (n_rw == 0) - { - errno = ZERO_BYTE_TRANSFER_ERRNO; - break; - } - total += n_rw; - ptr += n_rw; - count -= n_rw; - } - - return total; -} -- cgit v1.2.3-74-g34f1