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author | Jari Aalto <jari.aalto@cante.net> | 2002-07-17 14:10:11 +0000 |
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committer | Jari Aalto <jari.aalto@cante.net> | 2009-09-12 16:46:55 +0000 |
commit | 7117c2d221b2aed4ede8600f6a36b7c1454b4f55 (patch) | |
tree | b792f26ecca68813c51ed5ba2e381790758ef31b /lib/sh/zcatfd.c | |
parent | f73dda092b33638d2d5e9c35375f687a607b5403 (diff) | |
download | bash-7117c2d221b2aed4ede8600f6a36b7c1454b4f55.tar.gz |
Imported from ../bash-2.05b.tar.gz.devel-base-dist
Diffstat (limited to 'lib/sh/zcatfd.c')
-rw-r--r-- | lib/sh/zcatfd.c | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/lib/sh/zcatfd.c b/lib/sh/zcatfd.c new file mode 100644 index 00000000..24020ebc --- /dev/null +++ b/lib/sh/zcatfd.c @@ -0,0 +1,68 @@ +/* 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 <config.h> + +#include <sys/types.h> + +#if defined (HAVE_UNISTD_H) +# include <unistd.h> +#endif + +#include <errno.h> + +#include <stdc.h> + +#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; +} |