annotate src/path.c @ 4:aa38447a4b21

First entry of Paradise Server 2.9 patch 10 Beta
author darius
date Sat, 06 Dec 1997 04:37:03 +0000
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1 /*--------------------------------------------------------------------------
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2 NETREK II -- Paradise
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3
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4 Permission to use, copy, modify, and distribute this software and its
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5 documentation, or any derivative works thereof, for any NON-COMMERCIAL
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6 purpose and without fee is hereby granted, provided that this copyright
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7 notice appear in all copies. No representations are made about the
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8 suitability of this software for any purpose. This software is provided
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9 "as is" without express or implied warranty.
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10
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11 Xtrek Copyright 1986 Chris Guthrie
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12 Netrek (Xtrek II) Copyright 1989 Kevin P. Smith
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13 Scott Silvey
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14 Paradise II (Netrek II) Copyright 1993 Larry Denys
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15 Kurt Olsen
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16 Brandon Gillespie
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17 --------------------------------------------------------------------------*/
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18
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19 #include "config.h"
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20 #include <stdio.h>
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21 #include <string.h>
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22 #include <stdlib.h>
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23
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24 /*
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25 * This is the default path, you don't have to change this as long as you set
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26 * the NETREKDIR env
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27 */
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28 char netrekpath[256] = "/local/lib/paradise";
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29
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30
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31 static char buf[512];
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32 static int initted = 0;
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33
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34 char *
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35 build_path(suffix)
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36 char *suffix;
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37 {
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38 int len;
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39 if (!initted)
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40 {
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41 char *ptr;
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42 initted = 1;
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43 ptr = (char *) getenv("NETREKDIR");
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44 if (ptr == NULL)
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45 {
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46 fprintf(stderr, "Warning, no NETREKDIR envariable. Using default of %s\n", netrekpath);
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47 }
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48 else
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49 {
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50 strncpy(netrekpath, ptr, 255);
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51 netrekpath[255] = '\0';
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52 }
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53 len = strlen(netrekpath);
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54 if (len > 230)
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55 {
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56 fprintf(stderr, "NETREKDIR enviroment variable too long.\n");
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57 fprintf(stderr, "Please change it.\n");
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58 exit(1);
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59 }
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60 if (netrekpath[len - 1] != '/')
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61 {
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62 netrekpath[len] = '/';
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63 netrekpath[len + 1] = '\0';
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64 }
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65 }
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66 if (*suffix == '/')
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67 { /* absolute path... don't prepend anything */
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68 strcpy(buf, suffix);
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69 }
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70 else
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71 {
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72 strcpy(buf, netrekpath);
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73 strcat(buf, suffix);
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74 }
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75
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76 return buf;
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77 }