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Current Path: /usr/src/crypto/openssh/openbsd-compat

usr / src / crypto / openssh / openbsd-compat /

📁 ..
📄 Makefile.in(1.77 KB)
📄 arc4random.c(7.06 KB)
📄 base64.c(10.25 KB)
📄 base64.h(2.69 KB)
📄 basename.c(1.78 KB)
📄 bcrypt_pbkdf.c(5.38 KB)
📄 bindresvport.c(3.24 KB)
📄 blf.h(3.49 KB)
📄 blowfish.c(23.11 KB)
📄 bsd-asprintf.c(2.31 KB)
📄 bsd-closefrom.c(2.84 KB)
📄 bsd-cygwin_util.c(3.15 KB)
📄 bsd-cygwin_util.h(2.34 KB)
📄 bsd-err.c(2.15 KB)
📄 bsd-flock.c(2.23 KB)
📄 bsd-getline.c(2.9 KB)
📄 bsd-getpagesize.c(463 B)
📄 bsd-getpeereid.c(1.68 KB)
📄 bsd-malloc.c(1.4 KB)
📄 bsd-misc.c(5.88 KB)
📄 bsd-misc.h(3.61 KB)
📄 bsd-nextstep.c(2.5 KB)
📄 bsd-nextstep.h(2.22 KB)
📄 bsd-openpty.c(4.92 KB)
📄 bsd-poll.c(2.91 KB)
📄 bsd-poll.h(2.06 KB)
📄 bsd-setres_id.c(2.34 KB)
📄 bsd-setres_id.h(930 B)
📄 bsd-signal.c(1.55 KB)
📄 bsd-signal.h(1.15 KB)
📄 bsd-snprintf.c(20.58 KB)
📄 bsd-statvfs.c(2.09 KB)
📄 bsd-statvfs.h(2.24 KB)
📄 bsd-waitpid.c(1.77 KB)
📄 bsd-waitpid.h(2.02 KB)
📄 chacha_private.h(5.26 KB)
📄 charclass.h(702 B)
📄 daemon.c(2.32 KB)
📄 dirname.c(1.87 KB)
📄 explicit_bzero.c(1.09 KB)
📄 fake-rfc2553.c(6.15 KB)
📄 fake-rfc2553.h(5.2 KB)
📄 fmt_scaled.c(7.69 KB)
📄 freezero.c(1.01 KB)
📄 getcwd.c(5.95 KB)
📄 getgrouplist.c(2.7 KB)
📄 getopt.h(2.71 KB)
📄 getopt_long.c(14.46 KB)
📄 getrrsetbyname-ldns.c(7.81 KB)
📄 getrrsetbyname.c(13.56 KB)
📄 getrrsetbyname.h(3.62 KB)
📄 glob.c(25.53 KB)
📄 glob.h(4.54 KB)
📄 inet_aton.c(5.23 KB)
📄 inet_ntoa.c(2.21 KB)
📄 inet_ntop.c(5.42 KB)
📄 kludge-fd_set.c(882 B)
📄 libressl-api-compat.c(16.19 KB)
📄 md5.c(7.83 KB)
📄 md5.h(1.85 KB)
📄 mktemp.c(3.14 KB)
📄 openbsd-compat.h(8.68 KB)
📄 openssl-compat.c(2.43 KB)
📄 openssl-compat.h(7.22 KB)
📄 port-aix.c(12.61 KB)
📄 port-aix.h(4.22 KB)
📄 port-irix.c(2.94 KB)
📄 port-irix.h(1.65 KB)
📄 port-linux.c(7.66 KB)
📄 port-linux.h(1.18 KB)
📄 port-net.c(8.33 KB)
📄 port-net.h(1.58 KB)
📄 port-solaris.c(9.56 KB)
📄 port-solaris.h(1.27 KB)
📄 port-uw.c(4.16 KB)
📄 port-uw.h(1.37 KB)
📄 pwcache.c(3.22 KB)
📄 readpassphrase.c(5.79 KB)
📄 readpassphrase.h(1.75 KB)
📄 reallocarray.c(1.49 KB)
📄 realpath.c(6.08 KB)
📄 recallocarray.c(2.4 KB)
📁 regress
📄 rmd160.c(11.72 KB)
📄 rmd160.h(2.81 KB)
📄 rresvport.c(2.97 KB)
📄 setenv.c(5.76 KB)
📄 setproctitle.c(4.55 KB)
📄 sha1.c(5.18 KB)
📄 sha1.h(2.23 KB)
📄 sha2.c(24.88 KB)
📄 sha2.h(5.66 KB)
📄 sigact.c(3.82 KB)
📄 sigact.h(3.66 KB)
📄 strcasestr.c(2.35 KB)
📄 strlcat.c(1.76 KB)
📄 strlcpy.c(1.64 KB)
📄 strmode.c(3.38 KB)
📄 strndup.c(1.27 KB)
📄 strnlen.c(1.18 KB)
📄 strptime.c(9.28 KB)
📄 strsep.c(2.59 KB)
📄 strtoll.c(4.29 KB)
📄 strtonum.c(1.85 KB)
📄 strtoul.c(3.07 KB)
📄 strtoull.c(3.13 KB)
📄 sys-queue.h(21.04 KB)
📄 sys-tree.h(24.68 KB)
📄 timingsafe_bcmp.c(1.17 KB)
📄 vis.c(5.97 KB)
📄 vis.h(3.57 KB)
📄 xcrypt.c(4.26 KB)

Editing: bsd-poll.c

/*
 * Copyright (c) 2004, 2005, 2007 Darren Tucker (dtucker at zip com au).
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include "includes.h"
#if !defined(HAVE_POLL)

#include <sys/types.h>
#include <sys/time.h>
#ifdef HAVE_SYS_SELECT_H
# include <sys/select.h>
#endif

#include <errno.h>
#include <stdlib.h>
#include <unistd.h>
#include "bsd-poll.h"

/*
 * A minimal implementation of poll(2), built on top of select(2).
 *
 * Only supports POLLIN and POLLOUT flags in pfd.events, and POLLIN, POLLOUT
 * and POLLERR flags in revents.
 *
 * Supports pfd.fd = -1 meaning "unused" although it's not standard.
 */

int
poll(struct pollfd *fds, nfds_t nfds, int timeout)
{
	nfds_t i;
	int saved_errno, ret, fd, maxfd = 0;
	fd_set *readfds = NULL, *writefds = NULL, *exceptfds = NULL;
	size_t nmemb;
	struct timeval tv, *tvp = NULL;

for (i = 0; i < nfds; i++) {
		fd = fds[i].fd;
		if (fd >= FD_SETSIZE) {
			errno = EINVAL;
			return -1;
		}
		maxfd = MAX(maxfd, fd);
	}

nmemb = howmany(maxfd + 1 , NFDBITS);
	if ((readfds = calloc(nmemb, sizeof(fd_mask))) == NULL ||
	    (writefds = calloc(nmemb, sizeof(fd_mask))) == NULL ||
	    (exceptfds = calloc(nmemb, sizeof(fd_mask))) == NULL) {
		saved_errno = ENOMEM;
		ret = -1;
		goto out;
	}

/* populate event bit vectors for the events we're interested in */
	for (i = 0; i < nfds; i++) {
		fd = fds[i].fd;
		if (fd == -1)
			continue;
		if (fds[i].events & POLLIN) {
			FD_SET(fd, readfds);
			FD_SET(fd, exceptfds);
		}
		if (fds[i].events & POLLOUT) {
			FD_SET(fd, writefds);
			FD_SET(fd, exceptfds);
		}
	}

/* poll timeout is msec, select is timeval (sec + usec) */
	if (timeout >= 0) {
		tv.tv_sec = timeout / 1000;
		tv.tv_usec = (timeout % 1000) * 1000;
		tvp = &tv;
	}

ret = select(maxfd + 1, readfds, writefds, exceptfds, tvp);
	saved_errno = errno;

/* scan through select results and set poll() flags */
	for (i = 0; i < nfds; i++) {
		fd = fds[i].fd;
		fds[i].revents = 0;
		if (fd == -1)
			continue;
		if (FD_ISSET(fd, readfds)) {
			fds[i].revents |= POLLIN;
		}
		if (FD_ISSET(fd, writefds)) {
			fds[i].revents |= POLLOUT;
		}
		if (FD_ISSET(fd, exceptfds)) {
			fds[i].revents |= POLLERR;
		}
	}

out:
	free(readfds);
	free(writefds);
	free(exceptfds);
	if (ret == -1)
		errno = saved_errno;
	return ret;
}
#endif

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Editing: bsd-poll.c

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