Return to misc.c CVS log

Up to [local] / src / usr.bin / ssh

Annotation of src/usr.bin/ssh/misc.c, Revision 1.1

1.1     ! markus      1: /*     $OpenBSD: util.c,v 1.6 2000/10/27 07:32:19 markus Exp $ */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
        !             5:  *
        !             6:  * Redistribution and use in source and binary forms, with or without
        !             7:  * modification, are permitted provided that the following conditions
        !             8:  * are met:
        !             9:  * 1. Redistributions of source code must retain the above copyright
        !            10:  *    notice, this list of conditions and the following disclaimer.
        !            11:  * 2. Redistributions in binary form must reproduce the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer in the
        !            13:  *    documentation and/or other materials provided with the distribution.
        !            14:  *
        !            15:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            16:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            17:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            18:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            19:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            20:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            21:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            22:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            23:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            24:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            25:  */
        !            26:
        !            27: #include "includes.h"
        !            28: RCSID("$OpenBSD: util.c,v 1.6 2000/10/27 07:32:19 markus Exp $");
        !            29:
        !            30: #include "misc.h"
        !            31: #include "log.h"
        !            32:
        !            33: char *
        !            34: chop(char *s)
        !            35: {
        !            36:        char *t = s;
        !            37:        while (*t) {
        !            38:                if(*t == '\n' || *t == '\r') {
        !            39:                        *t = '\0';
        !            40:                        return s;
        !            41:                }
        !            42:                t++;
        !            43:        }
        !            44:        return s;
        !            45:
        !            46: }
        !            47:
        !            48: void
        !            49: set_nonblock(int fd)
        !            50: {
        !            51:        int val;
        !            52:        val = fcntl(fd, F_GETFL, 0);
        !            53:        if (val < 0) {
        !            54:                error("fcntl(%d, F_GETFL, 0): %s", fd, strerror(errno));
        !            55:                return;
        !            56:        }
        !            57:        if (val & O_NONBLOCK) {
        !            58:                debug("fd %d IS O_NONBLOCK", fd);
        !            59:                return;
        !            60:        }
        !            61:        debug("fd %d setting O_NONBLOCK", fd);
        !            62:        val |= O_NONBLOCK;
        !            63:        if (fcntl(fd, F_SETFL, val) == -1)
        !            64:                if (errno != ENODEV)
        !            65:                        error("fcntl(%d, F_SETFL, O_NONBLOCK): %s",
        !            66:                            fd, strerror(errno));
        !            67: }
        !            68:
        !            69: /* Characters considered whitespace in strsep calls. */
        !            70: #define WHITESPACE " \t\r\n"
        !            71:
        !            72: char *
        !            73: strdelim(char **s)
        !            74: {
        !            75:        char *old;
        !            76:        int wspace = 0;
        !            77:
        !            78:        if (*s == NULL)
        !            79:                return NULL;
        !            80:
        !            81:        old = *s;
        !            82:
        !            83:        *s = strpbrk(*s, WHITESPACE "=");
        !            84:        if (*s == NULL)
        !            85:                return (old);
        !            86:
        !            87:        /* Allow only one '=' to be skipped */
        !            88:        if (*s[0] == '=')
        !            89:                wspace = 1;
        !            90:        *s[0] = '\0';
        !            91:
        !            92:        *s += strspn(*s + 1, WHITESPACE) + 1;
        !            93:        if (*s[0] == '=' && !wspace)
        !            94:                *s += strspn(*s + 1, WHITESPACE) + 1;
        !            95:
        !            96:        return (old);
        !            97: }