Mercurial > dovecot > core-2.2
view src/lib/write-full.c @ 29:e9375147c0cb HEAD
Added write_full() which is a simple wrapper around write() meant for
writing into files.
When there's too much deleted data in index files, they're now compressed
when the index is being opened.
author | Timo Sirainen <tss@iki.fi> |
---|---|
date | Mon, 26 Aug 2002 02:46:59 +0300 |
parents | |
children | b1d05f79758f |
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/* write-full.c - Simpler API to write to file Copyright (c) 2002 Timo Sirainen Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include <errno.h> #include <limits.h> #include <unistd.h> int write_full(int fd, const void *data, size_t size) { ssize_t ret; do { ret = write(fd, data, size < INT_MAX ? size : INT_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; } size -= ret; } while (size > 0); return 0; }