# 2.11BSD#431 - /usr/src/usr.bin/whereis/whereis.c

##### Functions

    main              X
    usage             X

       1: /*-
       2:  * Copyright (c) 1993
       3:  *	The Regents of the University of California.  All rights reserved.
       4:  *
       5:  * Redistribution and use in source and binary forms, with or without
       6:  * modification, are permitted provided that the following conditions
       7:  * are met:
       8:  * 1. Redistributions of source code must retain the above copyright
       9:  *    notice, this list of conditions and the following disclaimer.
      10:  * 2. Redistributions in binary form must reproduce the above copyright
      11:  *    notice, this list of conditions and the following disclaimer in the
      12:  *    documentation and/or other materials provided with the distribution.
      13:  * 3. All advertising materials mentioning features or use of this software
      14:  *    must display the following acknowledgement:
      15:  *	This product includes software developed by the University of
      16:  *	California, Berkeley and its contributors.
      17:  * 4. Neither the name of the University nor the names of its contributors
      18:  *    may be used to endorse or promote products derived from this software
      19:  *    without specific prior written permission.
      20:  *
      21:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
      22:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      23:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      24:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
      25:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      26:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      27:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      28:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      29:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      30:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      31:  * SUCH DAMAGE.
      32:  */
      33:
      34: #if !defined(lint) && defined(DOSCCS)
      35: static char copyright[] =
      36: "@(#) Copyright (c) 1993\n\
      37: 	The Regents of the University of California.  All rights reserved.\n";
      38:
      39: static char sccsid[] = "@(#)whereis.c	8.1.1 (2.11BSD) 1996";
      40: #endif
      41:
      42: #include <sys/param.h>
      43: #include <sys/stat.h>
      44: #include <sys/sysctl.h>
      45:
      46: #include <errno.h>
      47: #include <stdio.h>
      48: #include <stdlib.h>
      49: #include <string.h>
      50:
      51: void usage();
      52:
      53: int
      54: main(argc, argv)
      55:     int argc;
      56:     char *argv[];
      57: {
      58:     struct stat sb;
      59:     size_t len;
      60:     int ch, sverrno, mib[2];
      61:     char *p, *t, *std, path[MAXPATHLEN];
      62:
      63:     while ((ch = getopt(argc, argv, "")) != EOF)
      64:         switch (ch) {
      65:         case '?':
      66:         default:
      67:             usage();
      68:         }
      69:     argc -= optind;
      70:     argv += optind;
      71:
      72:     /* Retrieve the standard path. */
      73:     mib[0] = CTL_USER;
      74:     mib[1] = USER_CS_PATH;
      75:     if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1)
      76:         return (-1);
      77:     if (len == 0) {
      78:         err(1, "user_cs_path: sysctl: zero length\n");
      79:         /* NOTREACHED */
      80:     }
      81:     if ((std = (char *)malloc(len)) == NULL) {
      82:         err(1, NULL);
      83:         /* NOTREACHED */
      84:     }
      85:     if (sysctl(mib, 2, std, &len, NULL, 0) == -1) {
      86:         sverrno = errno;
      87:         free(std);
      88:         errno = sverrno;
      89:         err(1, "sysctl: user_cs_path");
      90:         /* NOTREACHED */
      91:     }
      92:
      93:     /* For each path, for each program... */
      94:     for (; *argv; ++argv)
      95:         for (p = std;; *p++ = ':') {
      96:             t = p;
      97:             if ((p = strchr(p, ':')) != NULL) {
      98:                 *p = '\0';
      99:                 if (t == p)
     100:                     t = ".";
     101:             } else
     102:                 if (strlen(t) == 0)
     103:                     t = ".";
     104:             (void)sprintf(path, "%s/%s", t, *argv);
     105:             if (!stat(path, &sb))
     106:                 (void)printf("%s\n", path);
     107:             if (p == NULL)
     108:                 break;
     109:         }
     110: }
     111:
     112: void
     113: usage()
     114: {
     115:     (void)fprintf(stderr, "whereis: program ...\n");
     116:     exit (1);
     117: }

#### Defined functions

main defined in line 53; never used
usage defined in line 112; used 2 times

- in line 51, 67

#### Defined variables

copyright defined in line 35; never used
sccsid defined in line 39; never used

Last modified: 1996-11-28 Generated: 2016-12-26 | Generated by src2html V0.67 page hit count: 1151 |