setup.c revision 1.22
1 /* $NetBSD: setup.c,v 1.22 2017/10/02 22:03:10 joerg Exp $ */ 2 3 /* 4 * setup.c - set up all files for Phantasia 5 * n.b.: this is used at build-time - i.e. during build.sh. 6 */ 7 #ifdef __NetBSD__ 8 #include <sys/cdefs.h> 9 #endif 10 11 #include <sys/stat.h> 12 #include <fcntl.h> 13 #include <setjmp.h> 14 #include <stdio.h> 15 #include <stdlib.h> 16 #include <string.h> 17 #include <time.h> 18 #include <unistd.h> 19 20 #ifndef __dead /* Not NetBSD */ 21 #define __dead 22 #endif 23 24 #include "phantdefs.h" 25 #include "phantstruct.h" 26 #include "phantglobs.h" 27 #include "pathnames.h" 28 29 int main(int, char *[]); 30 void Error(const char *, const char *) __dead; 31 double drandom(void); 32 33 /* */ 35 /************************************************************************ 36 / 37 / FUNCTION NAME: main() 38 / 39 / FUNCTION: setup files for Phantasia 3.3.2 40 / 41 / AUTHOR: E. A. Estes, 12/4/85 42 / 43 / ARGUMENTS: none 44 / 45 / RETURN VALUE: none 46 / 47 / MODULES CALLED: time(), exit(), stat(), Error(), creat(), close(), fopen(), 48 / fgets(), floor(), srandom(), umask(), drandom(), strcpy(), getuid(), 49 / unlink(), fwrite(), fclose(), sscanf(), printf(), strlen(), fprintf() 50 / 51 / GLOBAL INPUTS: Curmonster, _iob[], Databuf[], *Monstfp, Enrgyvoid 52 / 53 / GLOBAL OUTPUTS: Curmonster, Databuf[], *Monstfp, Enrgyvoid 54 / 55 / DESCRIPTION: 56 / 57 / This program tries to verify the parameters specified in 58 / the Makefile. 59 / 60 / Create all necessary files. Note that nothing needs to be 61 / put in these files. 62 / Also, the monster binary data base is created here. 63 / 64 / ************************************************************************/ 65 66 static const char *const files[] = { /* all files to create */ 67 _PATH_MONST, 68 _PATH_PEOPLE, 69 _PATH_MESS, 70 _PATH_LASTDEAD, 71 _PATH_MOTD, 72 _PATH_GOLD, 73 _PATH_VOID, 74 _PATH_SCORE, 75 NULL, 76 }; 77 78 const char *monsterfile = "monsters.asc"; 79 80 int 81 main(int argc, char *argv[]) 82 { 83 const char *const *filename; /* for pointing to file names */ 84 int fd; /* file descriptor */ 85 FILE *fp; /* for opening files */ 86 struct stat fbuf; /* for getting files statistics */ 87 int ch; 88 char *path; 89 90 while ((ch = getopt(argc, argv, "m:")) != -1) 91 switch(ch) { 92 case 'm': 93 monsterfile = optarg; 94 break; 95 case '?': 96 default: 97 break; 98 } 99 argc -= optind; 100 argv += optind; 101 102 srandom((unsigned) time(NULL)); /* prime random numbers */ 103 104 umask(0117); /* only owner can read/write created files */ 105 106 /* try to create data files */ 107 filename = &files[0]; 108 while (*filename != NULL) 109 /* create each file */ 110 { 111 path = strrchr(*filename, '/') + 1; 112 if (stat(path, &fbuf) == 0) 113 /* file exists; remove it */ 114 { 115 if (unlink(path) < 0) 116 Error("Cannot unlink %s.\n", path); 117 /*NOTREACHED*/ 118 } 119 120 if ((fd = creat(path, 0660)) < 0) 121 Error("Cannot create %s.\n", path); 122 /*NOTREACHED*/ 123 124 close(fd); /* close newly created file */ 125 126 ++filename; /* process next file */ 127 } 128 129 /* Initialize an empty file placeholder for the grail location. */ 130 if ((fp = fopen(path, "w")) == NULL) 131 Error("Cannot create %s.\n", path); 132 fclose(fp); 133 134 /* create binary monster data base */ 135 path = strrchr(_PATH_MONST, '/') + 1; 136 if ((Monstfp = fopen(path, "w")) == NULL) 137 Error("Cannot update %s.\n", path); 138 else 139 { 140 if ((fp = fopen(monsterfile, "r")) == NULL) 141 { 142 fclose(Monstfp); 143 Error("cannot open %s to create monster database.\n", "monsters.asc"); 144 } 145 else 146 { 147 Curmonster.m_o_strength = 148 Curmonster.m_o_speed = 149 Curmonster.m_maxspeed = 150 Curmonster.m_o_energy = 151 Curmonster.m_melee = 152 Curmonster.m_skirmish = 0.0; 153 154 while (fgets(Databuf, SZ_DATABUF, fp) != NULL) 155 /* read in text file, convert to binary */ 156 { 157 sscanf(&Databuf[24], "%lf%lf%lf%lf%lf%d%d%lf", 158 &Curmonster.m_strength, &Curmonster.m_brains, 159 &Curmonster.m_speed, &Curmonster.m_energy, 160 &Curmonster.m_experience, &Curmonster.m_treasuretype, 161 &Curmonster.m_type, &Curmonster.m_flock); 162 Databuf[24] = '\0'; 163 strcpy(Curmonster.m_name, Databuf); 164 fwrite((char *) &Curmonster, SZ_MONSTERSTRUCT, 1, Monstfp); 165 } 166 fclose(fp); 167 fflush(Monstfp); 168 if (ferror(Monstfp)) 169 Error("Writing %s.\n", path); 170 fclose(Monstfp); 171 } 172 } 173 174 #ifdef MAKE_INSTALLS_THIS_AND_DOESNT_WANT_TO_HEAR_ABOUT_IT 175 /* write to motd file */ 176 printf("One line 'motd' ? "); 177 if (fgets(Databuf, SZ_DATABUF, stdin) == NULL) 178 Databuf[0] = '\0'; 179 path = strrchr(_PATH_MOTD, '/') + 1; 180 if ((fp = fopen(path, "w")) == NULL) 181 Error("Cannot update %s.\n", path); 182 else 183 { 184 fwrite(Databuf, sizeof(char), strlen(Databuf), fp); 185 fclose(fp); 186 } 187 188 /* report compile-time options */ 189 printf("Compiled options:\n\n"); 190 printf("Phantasia destination directory: %s\n", _PATH_PHANTDIR); 191 printf("Wizard: root UID: 0\n"); 192 193 #ifdef BSD41 194 printf("Compiled for BSD 4.1\n"); 195 #endif 196 197 #ifdef BSD42 198 printf("Compiled for BSD 4.2\n"); 199 #endif 200 201 #ifdef SYS3 202 printf("Compiled for System III\n"); 203 #endif 204 205 #ifdef SYS5 206 printf("Compiled for System V\n"); 207 #endif 208 #endif 209 210 exit(0); 211 /*NOTREACHED*/ 212 } 213 /* */ 215 /************************************************************************ 216 / 217 / FUNCTION NAME: Error() 218 / 219 / FUNCTION: print an error message, and exit 220 / 221 / AUTHOR: E. A. Estes, 12/4/85 222 / 223 / ARGUMENTS: 224 / char *str - format string for printf() 225 / char *file - file which caused error 226 / 227 / RETURN VALUE: none 228 / 229 / MODULES CALLED: exit(), perror(), fprintf() 230 / 231 / GLOBAL INPUTS: _iob[] 232 / 233 / GLOBAL OUTPUTS: none 234 / 235 / DESCRIPTION: 236 / Print an error message, then exit. 237 / 238 / ************************************************************************/ 239 240 void 241 Error(const char *str, const char *file) 242 { 243 fprintf(stderr, "Error: "); 244 fprintf(stderr, str, file); 245 perror(file); 246 exit(1); 247 /*NOTREACHED*/ 248 } 249 /* */ 251 /************************************************************************ 252 / 253 / FUNCTION NAME: drandom() 254 / 255 / FUNCTION: return a random number 256 / 257 / AUTHOR: E. A. Estes, 2/7/86 258 / 259 / ARGUMENTS: none 260 / 261 / RETURN VALUE: none 262 / 263 / MODULES CALLED: random() 264 / 265 / GLOBAL INPUTS: none 266 / 267 / GLOBAL OUTPUTS: none 268 / 269 / DESCRIPTION: 270 / 271 / ************************************************************************/ 272 273 double 274 drandom(void) 275 { 276 if (sizeof(int) != 2) 277 return((double) (random() & 0x7fff) / 32768.0); 278 else 279 return((double) random() / 32768.0); 280 } 281
Indexes created Thu Oct 02 01:09:59 GMT 2025