Mercurial > dovecot > original-hg > dovecot-1.2
view src/lib/write-full.c @ 6429:65c69a53a7be HEAD
Replaced my Copyright notices. The year range always ends with 2007 now.
My name was replaced with "Dovecot authors". In many cases I didn't really
even own the copyright, so this is more correct.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Sun, 16 Sep 2007 14:34:22 +0300 |
parents | fcfd44f56b04 |
children | 85385079b044 |
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/* Copyright (c) 2002-2007 Dovecot authors, see the included COPYING file */ #include "lib.h" #include "write-full.h" #include <unistd.h> int write_full(int fd, const void *data, size_t size) { ssize_t ret; while (size > 0) { ret = write(fd, data, size < SSIZE_T_MAX ? size : SSIZE_T_MAX); if (ret < 0) return -1; if (ret == 0) { /* nothing was written, only reason for this should be out of disk space */ errno = ENOSPC; return -1; } data = CONST_PTR_OFFSET(data, ret); size -= ret; } return 0; } int pwrite_full(int fd, const void *data, size_t size, off_t offset) { ssize_t ret; while (size > 0) { ret = pwrite(fd, data, size < SSIZE_T_MAX ? size : SSIZE_T_MAX, offset); if (ret < 0) return -1; if (ret == 0) { /* nothing was written, only reason for this should be out of disk space */ errno = ENOSPC; return -1; } data = CONST_PTR_OFFSET(data, ret); size -= ret; offset += ret; } return 0; }