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author | Heimdal Import User <samba-bugs@samba.org> | 2005-07-11 01:16:55 +0000 |
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committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 13:19:33 -0500 |
commit | 954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9 (patch) | |
tree | fc11a048c8a582e2ca66415ff04dacf74f9abf22 /source4/heimdal/lib/roken/net_read.c | |
parent | 7ead5ab06cea9f33e954a4579163262f97ea06ff (diff) | |
download | samba-954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9.tar.gz samba-954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9.tar.bz2 samba-954c01728e0c7485b72c9a5d5737e5f6bd0cf0b9.zip |
r8302: import mini HEIMDAL into the tree
(This used to be commit 118be28a7aef233799956615a99d1a2a74dac175)
Diffstat (limited to 'source4/heimdal/lib/roken/net_read.c')
-rw-r--r-- | source4/heimdal/lib/roken/net_read.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/source4/heimdal/lib/roken/net_read.c b/source4/heimdal/lib/roken/net_read.c new file mode 100644 index 0000000000..f8d4dd1424 --- /dev/null +++ b/source4/heimdal/lib/roken/net_read.c @@ -0,0 +1,74 @@ +/* + * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * 3. Neither the name of the Institute nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +RCSID("$Id: net_read.c,v 1.4 2005/04/12 11:28:57 lha Exp $"); +#endif + +#include <sys/types.h> +#include <unistd.h> +#include <errno.h> + +#include <roken.h> + +/* + * Like read but never return partial data. + */ + +ssize_t ROKEN_LIB_FUNCTION +net_read (int fd, void *buf, size_t nbytes) +{ + char *cbuf = (char *)buf; + ssize_t count; + size_t rem = nbytes; + + while (rem > 0) { +#ifdef WIN32 + count = recv (fd, cbuf, rem, 0); +#else + count = read (fd, cbuf, rem); +#endif + if (count < 0) { + if (errno == EINTR) + continue; + else + return count; + } else if (count == 0) { + return count; + } + cbuf += count; + rem -= count; + } + return nbytes; +} |