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/*
Copyright (C) 2010 Zimin
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef PLUGIN_FILESYSTEM_ENGINE_UTILITY_H
#define PLUGIN_FILESYSTEM_ENGINE_UTILITY_H
static inline ssize_t write_in_all(int fd, const void *buf, size_t count)
{
const char *p= (const char*)buf;
ssize_t total= 0;
while (count > 0)
{
ssize_t len;
while ((len= ::write(fd, p, count)) < 0 &&
(errno == EINTR || errno == EAGAIN))
;
if (len < 0)
return -1;
if (len == 0)
{
errno= ENOSPC;
return -1;
}
p+= len;
total+= len;
count-= len;
}
return total;
}
#endif /* PLUGIN_FILESYSTEM_ENGINE_UTILITY_H */
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