/* Copyright (C) 2002 Free Software Foundation, Inc. This file is part of GNU Bash, the Bourne Again SHell. Bash 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, or (at your option) any later version. Bash 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 Bash; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ #include #include #if defined (HAVE_UNISTD_H) # include #endif #include #include #if !defined (errno) extern int errno; #endif extern ssize_t zread __P((int, char *, size_t)); extern int zwrite __P((int, char *, ssize_t)); /* Dump contents of file descriptor FD to OFD. FN is the filename for error messages (not used right now). */ int zcatfd (fd, ofd, fn) int fd, ofd; char *fn; { ssize_t nr; int rval; char lbuf[128]; rval = 0; while (1) { nr = zread (fd, lbuf, sizeof (lbuf)); if (nr == 0) break; else if (nr < 0) { rval = -1; break; } else if (zwrite (ofd, lbuf, nr) < 0) { rval = -1; break; } } return rval; }