setup.c revision 1.12
1 /* $NetBSD: setup.c,v 1.12 2003/05/08 13:03:49 wiz 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 <fcntl.h> 9 #include "include.h" 10 11 int main(int, char *[]); 12 void Error(const char *, const char *) __attribute__((__noreturn__)); 13 double drandom(void); 14 15 /* */ 17 /************************************************************************ 18 / 19 / FUNCTION NAME: main() 20 / 21 / FUNCTION: setup files for Phantasia 3.3.2 22 / 23 / AUTHOR: E. A. Estes, 12/4/85 24 / 25 / ARGUMENTS: none 26 / 27 / RETURN VALUE: none 28 / 29 / MODULES CALLED: time(), exit(), stat(), Error(), creat(), close(), fopen(), 30 / fgets(), floor(), srandom(), umask(), drandom(), strcpy(), getuid(), 31 / unlink(), fwrite(), fclose(), sscanf(), printf(), strlen(), fprintf() 32 / 33 / GLOBAL INPUTS: Curmonster, _iob[], Databuf[], *Monstfp, Enrgyvoid 34 / 35 / GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid 36 / 37 / DESCRIPTION: 38 / 39 / This program tries to verify the parameters specified in 40 / the Makefile. 41 / 42 / Create all necessary files. Note that nothing needs to be 43 / put in these files. 44 / Also, the monster binary data base is created here. 45 / 46 / ************************************************************************/ 47 48 static const char *const files[] = { /* all files to create */ 49 _PATH_MONST, 50 _PATH_PEOPLE, 51 _PATH_MESS, 52 _PATH_LASTDEAD, 53 _PATH_MOTD, 54 _PATH_GOLD, 55 _PATH_VOID, 56 _PATH_SCORE, 57 NULL, 58 }; 59 60 const char *monsterfile = "monsters.asc"; 61 62 int 63 main(argc, argv) 64 int argc; 65 char *argv[]; 66 { 67 const char *const *filename; /* for pointing to file names */ 68 int fd; /* file descriptor */ 69 FILE *fp; /* for opening files */ 70 struct stat fbuf; /* for getting files statistics */ 71 int ch; 72 char *path; 73 74 while ((ch = getopt(argc, argv, "m:")) != -1) 75 switch(ch) { 76 case 'm': 77 monsterfile = optarg; 78 break; 79 case '?': 80 default: 81 break; 82 } 83 argc -= optind; 84 argv += optind; 85 86 srandom((unsigned) time(NULL)); /* prime random numbers */ 87 88 umask(0117); /* only owner can read/write created files */ 89 90 /* try to create data files */ 91 filename = &files[0]; 92 while (*filename != NULL) 93 /* create each file */ 94 { 95 path = strrchr(*filename, '/') + 1; 96 if (stat(path, &fbuf) == 0) 97 /* file exists; remove it */ 98 { 99 if (unlink(path) < 0) 100 Error("Cannot unlink %s.\n", path); 101 /*NOTREACHED*/ 102 } 103 104 if ((fd = creat(path, 0660)) < 0) 105 Error("Cannot create %s.\n", path); 106 /*NOTREACHED*/ 107 108 close(fd); /* close newly created file */ 109 110 ++filename; /* process next file */ 111 } 112 113 /* put holy grail info into energy void file */ 114 Enrgyvoid.ev_active = TRUE; 115 Enrgyvoid.ev_x = ROLL(-1.0e6, 2.0e6); 116 Enrgyvoid.ev_y = ROLL(-1.0e6, 2.0e6); 117 path = strrchr(_PATH_VOID, '/') + 1; 118 if ((fp = fopen(path, "w")) == NULL) 119 Error("Cannot update %s.\n", path); 120 else 121 { 122 fwrite(&Enrgyvoid, SZ_VOIDSTRUCT, 1, fp); 123 fflush(fp); 124 if (ferror(fp)) 125 Error("Writing %s.\n", path); 126 fclose(fp); 127 } 128 129 /* create binary monster data base */ 130 path = strrchr(_PATH_MONST, '/') + 1; 131 if ((Monstfp = fopen(path, "w")) == NULL) 132 Error("Cannot update %s.\n", path); 133 else 134 { 135 if ((fp = fopen(monsterfile, "r")) == NULL) 136 { 137 fclose(Monstfp); 138 Error("cannot open %s to create monster database.\n", "monsters.asc"); 139 } 140 else 141 { 142 Curmonster.m_o_strength = 143 Curmonster.m_o_speed = 144 Curmonster.m_maxspeed = 145 Curmonster.m_o_energy = 146 Curmonster.m_melee = 147 Curmonster.m_skirmish = 0.0; 148 149 while (fgets(Databuf, SZ_DATABUF, fp) != NULL) 150 /* read in text file, convert to binary */ 151 { 152 sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf", 153 &Curmonster.m_strength, &Curmonster.m_brains, 154 &Curmonster.m_speed, &Curmonster.m_energy, 155 &Curmonster.m_experience, &Curmonster.m_treasuretype, 156 &Curmonster.m_type, &Curmonster.m_flock); 157 Databuf[24] = '\0'; 158 strcpy(Curmonster.m_name, Databuf); 159 fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp); 160 } 161 fclose(fp); 162 fflush(Monstfp); 163 if (ferror(Monstfp)) 164 Error("Writing %s.\n", path); 165 fclose(Monstfp); 166 } 167 } 168 169 #ifdef MAKE_INSTALLS_THIS_AND_DOESNT_WANT_TO_HEAR_ABOUT_IT 170 /* write to motd file */ 171 printf("One line 'motd' ? "); 172 if (fgets(Databuf, SZ_DATABUF, stdin) == NULL) 173 Databuf[0] = '\0'; 174 path = strrchr(_PATH_MOTD, '/') + 1; 175 if ((fp = fopen(path, "w")) == NULL) 176 Error("Cannot update %s.\n", path); 177 else 178 { 179 fwrite(Databuf, sizeof(char), strlen(Databuf), fp); 180 fclose(fp); 181 } 182 183 /* report compile-time options */ 184 printf("Compiled options:\n\n"); 185 printf("Phantasia destination directory: %s\n", _PATH_PHANTDIR); 186 printf("Wizard: root UID: 0\n"); 187 188 #ifdef BSD41 189 printf("Compiled for BSD 4.1\n"); 190 #endif 191 192 #ifdef BSD42 193 printf("Compiled for BSD 4.2\n"); 194 #endif 195 196 #ifdef SYS3 197 printf("Compiled for System III\n"); 198 #endif 199 200 #ifdef SYS5 201 printf("Compiled for System V\n"); 202 #endif 203 #endif 204 205 exit(0); 206 /*NOTREACHED*/ 207 } 208 /* */ 210 /************************************************************************ 211 / 212 / FUNCTION NAME: Error() 213 / 214 / FUNCTION: print an error message, and exit 215 / 216 / AUTHOR: E. A. Estes, 12/4/85 217 / 218 / ARGUMENTS: 219 / char *str - format string for printf() 220 / char *file - file which caused error 221 / 222 / RETURN VALUE: none 223 / 224 / MODULES CALLED: exit(), perror(), fprintf() 225 / 226 / GLOBAL INPUTS: _iob[] 227 / 228 / GLOBAL OUTPUTS: none 229 / 230 / DESCRIPTION: 231 / Print an error message, then exit. 232 / 233 / ************************************************************************/ 234 235 void 236 Error(str, file) 237 const char *str, *file; 238 { 239 fprintf(stderr, "Error: "); 240 fprintf(stderr, str, file); 241 perror(file); 242 exit(1); 243 /*NOTREACHED*/ 244 } 245 /* */ 247 /************************************************************************ 248 / 249 / FUNCTION NAME: drandom() 250 / 251 / FUNCTION: return a random number 252 / 253 / AUTHOR: E. A. Estes, 2/7/86 254 / 255 / ARGUMENTS: none 256 / 257 / RETURN VALUE: none 258 / 259 / MODULES CALLED: random() 260 / 261 / GLOBAL INPUTS: none 262 / 263 / GLOBAL OUTPUTS: none 264 / 265 / DESCRIPTION: 266 / 267 / ************************************************************************/ 268 269 double 270 drandom() 271 { 272 if (sizeof(int) != 2) 273 return((double) (random() & 0x7fff) / 32768.0); 274 else 275 return((double) random() / 32768.0); 276 } 277
Indexes created Thu Oct 02 01:09:59 GMT 2025