openssh/util.c
Damien Miller caf6dd6d21 - More OpenBSD updates:
- deraadt@cvs.openbsd.org 2000/08/24 15:46:59
     [scp.c]
     off_t in sink, to fix files > 2GB, i think, test is still running ;-)
   - deraadt@cvs.openbsd.org 2000/08/25 10:10:06
     [session.c]
     Wall
   - markus@cvs.openbsd.org  2000/08/26 04:33:43
     [compat.c]
     ssh.com-2.3.0
   - markus@cvs.openbsd.org  2000/08/27 12:18:05
     [compat.c]
     compatibility with future ssh.com versions
   - deraadt@cvs.openbsd.org 2000/08/27 21:50:55
     [auth-krb4.c session.c ssh-add.c sshconnect.c uidswap.c]
     print uid/gid as unsigned
   - markus@cvs.openbsd.org  2000/08/28 13:51:00
     [ssh.c]
     enable -n and -f for ssh2
   - markus@cvs.openbsd.org  2000/08/28 14:19:53
     [ssh.c]
     allow combination of -N and -f
   - markus@cvs.openbsd.org  2000/08/28 14:20:56
     [util.c]
     util.c
   - markus@cvs.openbsd.org  2000/08/28 14:22:02
     [util.c]
     undo
   - markus@cvs.openbsd.org  2000/08/28 14:23:38
     [util.c]
     don't complain if setting NONBLOCK fails with ENODEV
2000-08-29 11:33:50 +11:00

74 lines
1.2 KiB
C

#include "includes.h"
RCSID("$OpenBSD: util.c,v 1.4 2000/08/28 20:23:37 markus Exp $");
#include "ssh.h"
char *
chop(char *s)
{
char *t = s;
while (*t) {
if(*t == '\n' || *t == '\r') {
*t = '\0';
return s;
}
t++;
}
return s;
}
void
set_nonblock(int fd)
{
int val;
if (isatty(fd)) {
/* do not mess with tty's */
debug("no set_nonblock for tty fd %d", fd);
return;
}
val = fcntl(fd, F_GETFL, 0);
if (val < 0) {
error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno));
return;
}
if (val & O_NONBLOCK)
return;
debug("fd %d setting O_NONBLOCK", fd);
val |= O_NONBLOCK;
if (fcntl(fd, F_SETFL, val) == -1)
if (errno != ENODEV)
error("fcntl(%d, F_SETFL, O_NONBLOCK): %s",
fd, strerror(errno));
}
/* Characters considered whitespace in strsep calls. */
#define WHITESPACE " \t\r\n"
char *
strdelim(char **s)
{
char *old;
int wspace = 0;
if (*s == NULL)
return NULL;
old = *s;
*s = strpbrk(*s, WHITESPACE "=");
if (*s == NULL)
return (old);
/* Allow only one '=' to be skipped */
if (*s[0] == '=')
wspace = 1;
*s[0] = '\0';
*s += strspn(*s + 1, WHITESPACE) + 1;
if (*s[0] == '=' && !wspace)
*s += strspn(*s + 1, WHITESPACE) + 1;
return (old);
}