libs/fio.c

   1 /* -*-c-*- */
   2 /* This program is free software; you can redistribute it and/or modify
   3  * it under the terms of the GNU General Public License as published by
   4  * the Free Software Foundation; either version 2 of the License, or
   5  * (at your option) any later version.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  *
  12  * You should have received a copy of the GNU General Public License
  13  * along with this program; if not, write to the Free Software
  14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  15  */
  16
  17 /* ---------------------------- included header files ---------------------- */
  18
  19 #include "config.h"
  20
  21 #include <sys/types.h>
  22 #include <sys/socket.h>
  23 #include <errno.h>
  24 #include "fio.h"
  25
  26 /* ---------------------------- imports ------------------------------------ */
  27
  28 /* ---------------------------- interface functions ------------------------ */
  29
  30 ssize_t fvwm_send(int s, const void *buf, size_t len, int flags)
  31 {
  32         int rc;
  33         size_t offset;
  34         const char *data;
  35
  36         data = buf;
  37         offset = 0;
  38         do
  39         {
  40                 rc = send(s, (char *)data + offset, len - offset, flags);
  41                 if (rc > 0)
  42                 {
  43                         offset += rc;
  44                 }
  45         } while ((rc > 0 && (offset < len)) || (rc == -1 && errno == EINTR));
  46
  47         return rc;
  48 }
  49
  50 ssize_t fvwm_recv(int s, void *buf, size_t len, int flags)
  51 {
  52         int rc;
  53
  54         do
  55         {
  56                 rc = recv(s, buf, len, flags);
  57         } while (rc == -1 && errno == EINTR);
  58
  59         return rc;
  60 }