setup.c revision 1.8 1 /* $NetBSD: setup.c,v 1.8 1997/11/24 01:47:26 mrg Exp $ */
2
3 /*
4 * setup.c - set up all files for Phantasia
5 */
6 #include <sys/param.h>
7 #include <sys/stat.h>
8 #include "include.h"
9 /**/
11 /************************************************************************
12 /
13 / FUNCTION NAME: main()
14 /
15 / FUNCTION: setup files for Phantasia 3.3.2
16 /
17 / AUTHOR: E. A. Estes, 12/4/85
18 /
19 / ARGUMENTS: none
20 /
21 / RETURN VALUE: none
22 /
23 / MODULES CALLED: time(), exit(), stat(), Error(), creat(), close(), fopen(),
24 / fgets(), floor(), srandom(), umask(), drandom(), strcpy(), getuid(),
25 / unlink(), fwrite(), fclose(), sscanf(), printf(), strlen(), fprintf()
26 /
27 / GLOBAL INPUTS: Curmonster, _iob[], Databuf[], *Monstfp, Enrgyvoid
28 /
29 / GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid
30 /
31 / DESCRIPTION:
32 /
33 / This program tries to verify the parameters specified in
34 / the Makefile.
35 /
36 / Create all necessary files. Note that nothing needs to be
37 / put in these files.
38 / Also, the monster binary data base is created here.
39 /
40 /************************************************************************/
41
42 static char *files[] = { /* all files to create */
43 _PATH_MONST,
44 _PATH_PEOPLE,
45 _PATH_MESS,
46 _PATH_LASTDEAD,
47 _PATH_MOTD,
48 _PATH_GOLD,
49 _PATH_VOID,
50 _PATH_SCORE,
51 NULL,
52 };
53
54 char *monsterfile="monsters.asc";
55
56 int
57 main(argc, argv)
58 int argc;
59 char *argv[];
60 {
61 register char **filename; /* for pointing to file names */
62 register int fd; /* file descriptor */
63 FILE *fp; /* for opening files */
64 struct stat fbuf; /* for getting files statistics */
65 int ch;
66 char path[MAXPATHLEN], *prefix;
67
68 while ((ch = getopt(argc, argv, "m:")) != -1)
69 switch(ch) {
70 case 'm':
71 monsterfile = optarg;
72 break;
73 case '?':
74 default:
75 break;
76 }
77 argc -= optind;
78 argv += optind;
79
80 srandom((unsigned) time(NULL)); /* prime random numbers */
81
82 umask(0117); /* only owner can read/write created files */
83
84 prefix = getenv("DESTDIR");
85
86 /* try to create data files */
87 filename = &files[0];
88 while (*filename != NULL)
89 /* create each file */
90 {
91 snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", *filename);
92 if (stat(path, &fbuf) == 0)
93 /* file exists; remove it */
94 {
95 if (!strcmp(*filename, _PATH_PEOPLE))
96 /* do not reset character file if it already exists */
97 {
98 ++filename;
99 continue;
100 }
101
102 if (!strcmp(*filename, _PATH_SCORE))
103 /* do not reset score file if it already exists */
104 {
105 ++filename;
106 continue;
107 }
108
109 if (unlink(path) < 0)
110 Error("Cannot unlink %s.\n", path);
111 /*NOTREACHED*/
112 }
113
114 if ((fd = creat(path, 0660)) < 0)
115 Error("Cannot create %s.\n", path);
116 /*NOTREACHED*/
117
118 close(fd); /* close newly created file */
119
120 ++filename; /* process next file */
121 }
122
123 /* put holy grail info into energy void file */
124 Enrgyvoid.ev_active = TRUE;
125 Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6);
126 Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6);
127 snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", _PATH_VOID);
128 if ((fp = fopen(path, "w")) == NULL)
129 Error("Cannot update %s.\n", path);
130 else
131 {
132 fwrite(&Enrgyvoid, SZ_VOIDSTRUCT, 1, fp);
133 fclose(fp);
134 }
135
136 /* create binary monster data base */
137 snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", _PATH_MONST);
138 if ((Monstfp = fopen(path, "w")) == NULL)
139 Error("Cannot update %s.\n", path);
140 else
141 {
142 if ((fp = fopen(monsterfile, "r")) == NULL)
143 {
144 fclose(Monstfp);
145 Error("cannot open %s to create monster database.\n", "monsters.asc");
146 }
147 else
148 {
149 Curmonster.m_o_strength =
150 Curmonster.m_o_speed =
151 Curmonster.m_maxspeed =
152 Curmonster.m_o_energy =
153 Curmonster.m_melee =
154 Curmonster.m_skirmish = 0.0;
155
156 while (fgets(Databuf, SZ_DATABUF, fp) != NULL)
157 /* read in text file, convert to binary */
158 {
159 sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf",
160 &Curmonster.m_strength, &Curmonster.m_brains,
161 &Curmonster.m_speed, &Curmonster.m_energy,
162 &Curmonster.m_experience, &Curmonster.m_treasuretype,
163 &Curmonster.m_type, &Curmonster.m_flock);
164 Databuf[24] = '\0';
165 strcpy(Curmonster.m_name, Databuf);
166 fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp);
167 }
168 fclose(fp);
169 fclose(Monstfp);
170 }
171 }
172
173 #ifdef MAKE_INSTALLS_THIS_AND_DOESNT_WANT_TO_HEAR_ABOUT_IT
174 /* write to motd file */
175 printf("One line 'motd' ? ");
176 if (fgets(Databuf, SZ_DATABUF, stdin) == NULL)
177 Databuf[0] = '\0';
178 snprintf(path, sizeof(path), "%s%s", prefix?prefix:"", _PATH_MOTD);
179 if ((fp = fopen(path, "w")) == NULL)
180 Error("Cannot update %s.\n", path);
181 else
182 {
183 fwrite(Databuf, sizeof(char), strlen(Databuf), fp);
184 fclose(fp);
185 }
186
187 /* report compile-time options */
188 printf("Compiled options:\n\n");
189 printf("Phantasia destination directory: %s\n", _PATH_PHANTDIR);
190 printf("Wizard: root UID: 0\n");
191
192 #ifdef BSD41
193 printf("Compiled for BSD 4.1\n");
194 #endif
195
196 #ifdef BSD42
197 printf("Compiled for BSD 4.2\n");
198 #endif
199
200 #ifdef SYS3
201 printf("Compiled for System III\n");
202 #endif
203
204 #ifdef SYS5
205 printf("Compiled for System V\n");
206 #endif
207 #endif
208
209 exit(0);
210 /*NOTREACHED*/
211 }
212 /**/
214 /************************************************************************
215 /
216 / FUNCTION NAME: Error()
217 /
218 / FUNCTION: print an error message, and exit
219 /
220 / AUTHOR: E. A. Estes, 12/4/85
221 /
222 / ARGUMENTS:
223 / char *str - format string for printf()
224 / char *file - file which caused error
225 /
226 / RETURN VALUE: none
227 /
228 / MODULES CALLED: exit(), perror(), fprintf()
229 /
230 / GLOBAL INPUTS: _iob[]
231 /
232 / GLOBAL OUTPUTS: none
233 /
234 / DESCRIPTION:
235 / Print an error message, then exit.
236 /
237 /************************************************************************/
238
239 Error(str, file)
240 char *str, *file;
241 {
242 fprintf(stderr, "Error: ");
243 fprintf(stderr, str, file);
244 perror(file);
245 exit(1);
246 /*NOTREACHED*/
247 }
248 /**/
250 /************************************************************************
251 /
252 / FUNCTION NAME: drandom()
253 /
254 / FUNCTION: return a random number
255 /
256 / AUTHOR: E. A. Estes, 2/7/86
257 /
258 / ARGUMENTS: none
259 /
260 / RETURN VALUE: none
261 /
262 / MODULES CALLED: random()
263 /
264 / GLOBAL INPUTS: none
265 /
266 / GLOBAL OUTPUTS: none
267 /
268 / DESCRIPTION:
269 /
270 /************************************************************************/
271
272 double
273 drandom()
274 {
275 if (sizeof(int) != 2)
276 return((double) (random() & 0x7fff) / 32768.0);
277 else
278 return((double) random() / 32768.0);
279 }
280