Return to whereis.c CVS log

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

Annotation of src/usr.bin/whereis/whereis.c, Revision 1.1

1.1     ! deraadt     1: /*     $NetBSD: whereis.c,v 1.6 1995/08/31 21:54:52 jtc Exp $  */
        !             2:
        !             3: /*-
        !             4:  * Copyright (c) 1993
        !             5:  *     The Regents of the University of California.  All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. All advertising materials mentioning features or use of this software
        !            16:  *    must display the following acknowledgement:
        !            17:  *     This product includes software developed by the University of
        !            18:  *     California, Berkeley and its contributors.
        !            19:  * 4. Neither the name of the University nor the names of its contributors
        !            20:  *    may be used to endorse or promote products derived from this software
        !            21:  *    without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            24:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            25:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            26:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            27:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            28:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            29:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            30:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            31:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            32:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            33:  * SUCH DAMAGE.
        !            34:  */
        !            35:
        !            36: #ifndef lint
        !            37: static char copyright[] =
        !            38: "@(#) Copyright (c) 1993\n\
        !            39:        The Regents of the University of California.  All rights reserved.\n";
        !            40: #endif /* not lint */
        !            41:
        !            42: #ifndef lint
        !            43: #if 0
        !            44: static char sccsid[] = "@(#)whereis.c  8.3 (Berkeley) 5/4/95";
        !            45: #endif
        !            46: static char *rcsid = "$NetBSD: whereis.c,v 1.6 1995/08/31 21:54:52 jtc Exp $";
        !            47: #endif /* not lint */
        !            48:
        !            49: #include <sys/param.h>
        !            50: #include <sys/stat.h>
        !            51: #include <sys/sysctl.h>
        !            52:
        !            53: #include <err.h>
        !            54: #include <errno.h>
        !            55: #include <stdio.h>
        !            56: #include <stdlib.h>
        !            57: #include <string.h>
        !            58: #include <unistd.h>
        !            59:
        !            60: void usage __P((void));
        !            61:
        !            62: int
        !            63: main(argc, argv)
        !            64:        int argc;
        !            65:        char *argv[];
        !            66: {
        !            67:        struct stat sb;
        !            68:        size_t len;
        !            69:        int ch, sverrno, mib[2];
        !            70:        char *p, *t, *std, path[MAXPATHLEN];
        !            71:
        !            72:        while ((ch = getopt(argc, argv, "")) != EOF)
        !            73:                switch (ch) {
        !            74:                case '?':
        !            75:                default:
        !            76:                        usage();
        !            77:                }
        !            78:        argc -= optind;
        !            79:        argv += optind;
        !            80:
        !            81:        if (argc == 0)
        !            82:                usage();
        !            83:
        !            84:        /* Retrieve the standard path. */
        !            85:        mib[0] = CTL_USER;
        !            86:        mib[1] = USER_CS_PATH;
        !            87:        if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1)
        !            88:                return (-1);
        !            89:        if (len == 0)
        !            90:                err(1, "user_cs_path: sysctl: zero length\n");
        !            91:        if ((std = malloc(len)) == NULL)
        !            92:                err(1, NULL);
        !            93:        if (sysctl(mib, 2, std, &len, NULL, 0) == -1) {
        !            94:                sverrno = errno;
        !            95:                free(std);
        !            96:                errno = sverrno;
        !            97:                err(1, "sysctl: user_cs_path");
        !            98:        }
        !            99:
        !           100:        /* For each path, for each program... */
        !           101:        for (; *argv; ++argv)
        !           102:                for (p = std;; *p++ = ':') {
        !           103:                        t = p;
        !           104:                        if ((p = strchr(p, ':')) != NULL) {
        !           105:                                *p = '\0';
        !           106:                                if (t == p)
        !           107:                                        t = ".";
        !           108:                        } else
        !           109:                                if (strlen(t) == 0)
        !           110:                                        t = ".";
        !           111:                        (void)snprintf(path, sizeof(path), "%s/%s", t, *argv);
        !           112:                        if (!stat(path, &sb))
        !           113:                                (void)printf("%s\n", path);
        !           114:                        if (p == NULL)
        !           115:                                break;
        !           116:                }
        !           117: }
        !           118:
        !           119: void
        !           120: usage()
        !           121: {
        !           122:
        !           123:        (void)fprintf(stderr, "usage: whereis program [...]\n");
        !           124:        exit (1);
        !           125: }