1 /* zmapfd - read contents of file descriptor into a newly-allocated buffer */
3 /* Copyright (C) 2006 Free Software Foundation, Inc.
5 This file is part of GNU Bash, the Bourne Again SHell.
7 Bash is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 Bash is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Bash. If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/types.h>
25 #if defined (HAVE_UNISTD_H)
39 extern ssize_t zread __P((int, char *, size_t));
41 /* Dump contents of file descriptor FD to *OSTR. FN is the filename for
42 error messages (not used right now). */
56 result = (char *)xmalloc (rsize = 64);
61 nr = zread (fd, lbuf, sizeof (lbuf));
76 RESIZE_MALLOCED_BUFFER (result, rind, nr, rsize, 128);
77 memcpy (result+rind, lbuf, nr);
81 RESIZE_MALLOCED_BUFFER (result, rind, 1, rsize, 128);