/*
* Copyright (C) 2009 Pierre-Marc Fournier
* Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* write() */
#include <unistd.h>
/* send() */
#include <sys/types.h>
#include <sys/socket.h>
#include <errno.h>
#include <share.h>
/*
* This write is patient because it restarts if it was incomplete.
*/
ssize_t patient_write(int fd, const void *buf, size_t count)
{
const char *bufc = (const char *) buf;
int result;
for(;;) {
result = write(fd, bufc, count);
if (result == -1 && errno == EINTR) {
continue;
}
if (result <= 0) {
return result;
}
count -= result;
bufc += result;
if (count == 0) {
break;
}
}
return bufc-(const char *)buf;
}
ssize_t patient_send(int fd, const void *buf, size_t count, int flags)
{
const char *bufc = (const char *) buf;
int result;
for(;;) {
result = send(fd, bufc, count, flags);
if (result == -1 && errno == EINTR) {
continue;
}
if (result <= 0) {
return result;
}
count -= result;
bufc += result;
if (count == 0) {
break;
}
}
return bufc - (const char *) buf;
}