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Annotation of 43BSDTahoe/new/nntp/inews/uname.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * This software is Copyright (c) 1986 by Rick Adams.
        !             3:  *
        !             4:  * Permission is hereby granted to copy, reproduce, redistribute or
        !             5:  * otherwise use this software as long as: there is no monetary
        !             6:  * profit gained specifically from the use or reproduction or this
        !             7:  * software, it is not sold, rented, traded or otherwise marketed, and
        !             8:  * this copyright notice is included prominently in any copy
        !             9:  * made.
        !            10:  *
        !            11:  * The author make no claims as to the fitness or correctness of
        !            12:  * this software for any use whatsoever, and it is provided as is. 
        !            13:  * Any use of this software is at the user's own risk.
        !            14:  *
        !            15:  * This routine is compatible with the Unix T/S system call uname,
        !            16:  * which figures out the name of the local system.
        !            17:  * However, we do it by reading the file /usr/include/whoami.h.
        !            18:  * This avoids having to recompile uucp for each site and hence
        !            19:  * avoids having to distribute the source to uucp to people who
        !            20:  * have only binary licenses.
        !            21:  */
        !            22: 
        !            23: #ifdef SCCSID
        !            24: static char    *SccsId = "@(#)uname.c  2.9     1/20/86";
        !            25: #endif /* SCCSID */
        !            26: 
        !            27: #include <stdio.h>
        !            28: #include "../common/conf.h"
        !            29: 
        !            30: #ifdef UNAME
        !            31: # define DONE
        !            32: #endif /* UNAME */
        !            33: 
        !            34: #ifdef GHNAME
        !            35: uname(uptr)
        !            36: char   *uptr;
        !            37: {
        !            38:        gethostname(uptr, 256);
        !            39: }
        !            40: # define DONE
        !            41: #endif
        !            42: 
        !            43: #ifdef UUNAME
        !            44: uname(uptr)
        !            45: char *uptr;
        !            46: {
        !            47:        FILE *uucpf;
        !            48:        register char *p;
        !            49:        /* uucp name is stored in /etc/uucpname or /local/uucpname */
        !            50: 
        !            51:        if (((uucpf = fopen("/etc/uucpname", "r")) == NULL &&
        !            52:             (uucpf = fopen("/local/uucpname", "r")) == NULL) ||
        !            53:                fgets(uptr, 256, uucpf) == NULL) {
        !            54:                        fprintf(stderr, "no sysname in %s\n", "/etc/uucpname");
        !            55:                        return;
        !            56:        }
        !            57:        p = index(uptr, '\n');
        !            58:        if (p)
        !            59:                *p = '\0';
        !            60:        if (uucpf != NULL)
        !            61:                fclose(uucpf);
        !            62: }
        !            63: #define DONE
        !            64: #endif /* UUNAME */
        !            65: 
        !            66: #ifndef DONE
        !            67: #define        HDRFILE "/usr/include/whoami.h"
        !            68: 
        !            69: uname(uptr)
        !            70: char *uptr;
        !            71: {
        !            72:        char buf[BUFSIZ];
        !            73:        FILE *fd;
        !            74:        
        !            75:        fd = fopen(HDRFILE, "r");
        !            76:        if (fd == NULL) {
        !            77:                fprintf(stderr, "Cannot open %s\n", HDRFILE);
        !            78:                exit(1);
        !            79:        }
        !            80:        
        !            81:        for (;;) {      /* each line in the file */
        !            82:                if (fgets(buf, sizeof buf, fd) == NULL) {
        !            83:                        fprintf(stderr, "no sysname in %s\n", HDRFILE);
        !            84:                        fclose(fd);
        !            85:                        exit(2);
        !            86:                }
        !            87:                if (sscanf(buf, "#define sysname \"%[^\"]\"", uptr) == 1) {
        !            88:                        fclose(fd);
        !            89:                        return;
        !            90:                }
        !            91:        }
        !            92: }
        !            93: #endif

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