| 1 | # |
| 2 | # include <stdio.h> |
| 3 | # include <ctype.h> |
| 4 | # include <signal.h> |
| 5 | |
| 6 | /* cc command */ |
| 7 | |
| 8 | # define MAXINC 10 |
| 9 | # define MAXFIL 100 |
| 10 | # define MAXLIB 100 |
| 11 | # define MAXOPT 100 |
| 12 | char *tmp0; |
| 13 | char *tmp1; |
| 14 | char *tmp2; |
| 15 | char *tmp3; |
| 16 | char *tmp4; |
| 17 | char *tmp5; |
| 18 | char *outfile; |
| 19 | # define CHSPACE 1000 |
| 20 | char ts[CHSPACE+50]; |
| 21 | char *tsa = ts; |
| 22 | char *tsp = ts; |
| 23 | char *av[50]; |
| 24 | char *clist[MAXFIL]; |
| 25 | char *llist[MAXLIB]; |
| 26 | int pflag; |
| 27 | int sflag; |
| 28 | int cflag; |
| 29 | int eflag; |
| 30 | int exflag; |
| 31 | int oflag; |
| 32 | int proflag; |
| 33 | int noflflag; |
| 34 | char *chpass ; |
| 35 | char *npassname ; |
| 36 | char pass0[20] = "/lib/c0"; |
| 37 | char pass1[20] = "/lib/c1"; |
| 38 | char pass2[20] = "/lib/c2"; |
| 39 | char passp[20] = "/lib/cpp"; |
| 40 | char *pref = "/lib/crt0.o"; |
| 41 | char *copy(); |
| 42 | char *setsuf(); |
| 43 | char *strcat(); |
| 44 | char *strcpy(); |
| 45 | |
| 46 | main(argc, argv) |
| 47 | char *argv[]; |
| 48 | { |
| 49 | char *t; |
| 50 | char *savetsp; |
| 51 | char *assource; |
| 52 | char **pv, *ptemp[MAXOPT], **pvt; |
| 53 | int nc, nl, i, j, c, f20, nxo, na; |
| 54 | int idexit(); |
| 55 | |
| 56 | i = nc = nl = f20 = nxo = 0; |
| 57 | setbuf(stdout, (char *)NULL); |
| 58 | pv = ptemp; |
| 59 | while(++i < argc) { |
| 60 | if(*argv[i] == '-') switch (argv[i][1]) { |
| 61 | default: |
| 62 | goto passa; |
| 63 | case 'S': |
| 64 | sflag++; |
| 65 | cflag++; |
| 66 | break; |
| 67 | case 'o': |
| 68 | if (++i < argc) { |
| 69 | outfile = argv[i]; |
| 70 | if ((c=getsuf(outfile))=='c'||c=='o') { |
| 71 | error("Would overwrite %s", outfile); |
| 72 | exit(8); |
| 73 | } |
| 74 | } |
| 75 | break; |
| 76 | case 'O': |
| 77 | oflag++; |
| 78 | break; |
| 79 | case 'p': |
| 80 | proflag++; |
| 81 | break; |
| 82 | case 'E': |
| 83 | exflag++; |
| 84 | case 'P': |
| 85 | pflag++; |
| 86 | *pv++ = argv[i]; |
| 87 | case 'c': |
| 88 | cflag++; |
| 89 | break; |
| 90 | |
| 91 | case 'f': |
| 92 | noflflag++; |
| 93 | if (npassname || chpass) |
| 94 | error("-f overwrites earlier option", (char *)NULL); |
| 95 | npassname = "/lib/f"; |
| 96 | chpass = "1"; |
| 97 | break; |
| 98 | |
| 99 | case '2': |
| 100 | if(argv[i][2] == '\0') |
| 101 | pref = "/lib/crt2.o"; |
| 102 | else { |
| 103 | pref = "/lib/crt20.o"; |
| 104 | f20 = 1; |
| 105 | } |
| 106 | break; |
| 107 | case 'D': |
| 108 | case 'I': |
| 109 | case 'U': |
| 110 | case 'C': |
| 111 | *pv++ = argv[i]; |
| 112 | if (pv >= ptemp+MAXOPT) { |
| 113 | error("Too many DIUC options", (char *)NULL); |
| 114 | --pv; |
| 115 | } |
| 116 | break; |
| 117 | case 't': |
| 118 | if (chpass) |
| 119 | error("-t overwrites earlier option", (char *)NULL); |
| 120 | chpass = argv[i]+2; |
| 121 | if (chpass[0]==0) |
| 122 | chpass = "012p"; |
| 123 | break; |
| 124 | |
| 125 | case 'B': |
| 126 | if (npassname) |
| 127 | error("-B overwrites earlier option", (char *)NULL); |
| 128 | npassname = argv[i]+2; |
| 129 | if (npassname[0]==0) |
| 130 | npassname = "/usr/src/cmd/c/o"; |
| 131 | break; |
| 132 | } |
| 133 | else { |
| 134 | passa: |
| 135 | t = argv[i]; |
| 136 | if((c=getsuf(t))=='c' || c=='s'|| exflag) { |
| 137 | clist[nc++] = t; |
| 138 | if (nc>=MAXFIL) { |
| 139 | error("Too many source files", (char *)NULL); |
| 140 | exit(1); |
| 141 | } |
| 142 | t = setsuf(t, 'o'); |
| 143 | } |
| 144 | if (nodup(llist, t)) { |
| 145 | llist[nl++] = t; |
| 146 | if (nl >= MAXLIB) { |
| 147 | error("Too many object/library files", (char *)NULL); |
| 148 | exit(1); |
| 149 | } |
| 150 | if (getsuf(t)=='o') |
| 151 | nxo++; |
| 152 | } |
| 153 | } |
| 154 | } |
| 155 | if (npassname && chpass ==0) |
| 156 | chpass = "012p"; |
| 157 | if (chpass && npassname==0) |
| 158 | npassname = "/usr/src/cmd/c/"; |
| 159 | if (chpass) |
| 160 | for (t=chpass; *t; t++) { |
| 161 | switch (*t) { |
| 162 | case '0': |
| 163 | strcpy (pass0, npassname); |
| 164 | strcat (pass0, "c0"); |
| 165 | continue; |
| 166 | case '1': |
| 167 | strcpy (pass1, npassname); |
| 168 | strcat (pass1, "c1"); |
| 169 | continue; |
| 170 | case '2': |
| 171 | strcpy (pass2, npassname); |
| 172 | strcat (pass2, "c2"); |
| 173 | continue; |
| 174 | case 'p': |
| 175 | strcpy (passp, npassname); |
| 176 | strcat (passp, "cpp"); |
| 177 | continue; |
| 178 | } |
| 179 | } |
| 180 | if (noflflag) |
| 181 | pref = proflag ? "/lib/fmcrt0.o" : "/lib/fcrt0.o"; |
| 182 | else if (proflag) |
| 183 | pref = "/lib/mcrt0.o"; |
| 184 | if(nc==0) |
| 185 | goto nocom; |
| 186 | if (pflag==0) { |
| 187 | tmp0 = copy("/tmp/ctm0a"); |
| 188 | while (access(tmp0, 0)==0) |
| 189 | tmp0[9]++; |
| 190 | while((creat(tmp0, 0400))<0) { |
| 191 | if (tmp0[9]=='z') { |
| 192 | error("cc: cannot create temp", NULL); |
| 193 | exit(1); |
| 194 | } |
| 195 | tmp0[9]++; |
| 196 | } |
| 197 | } |
| 198 | if (signal(SIGINT, SIG_IGN) != SIG_IGN) |
| 199 | signal(SIGINT, idexit); |
| 200 | if (signal(SIGTERM, SIG_IGN) != SIG_IGN) |
| 201 | signal(SIGTERM, idexit); |
| 202 | (tmp1 = copy(tmp0))[8] = '1'; |
| 203 | (tmp2 = copy(tmp0))[8] = '2'; |
| 204 | (tmp3 = copy(tmp0))[8] = '3'; |
| 205 | if (oflag) |
| 206 | (tmp5 = copy(tmp0))[8] = '5'; |
| 207 | if (pflag==0) |
| 208 | (tmp4 = copy(tmp0))[8] = '4'; |
| 209 | pvt = pv; |
| 210 | for (i=0; i<nc; i++) { |
| 211 | if (nc>1) |
| 212 | printf("%s:\n", clist[i]); |
| 213 | if (getsuf(clist[i])=='s') { |
| 214 | assource = clist[i]; |
| 215 | goto assemble; |
| 216 | } |
| 217 | else |
| 218 | assource = tmp3; |
| 219 | if (pflag) |
| 220 | tmp4 = setsuf(clist[i], 'i'); |
| 221 | savetsp = tsp; |
| 222 | av[0] = "cpp"; |
| 223 | av[1] = clist[i]; |
| 224 | av[2] = exflag ? "-" : tmp4; |
| 225 | na = 3; |
| 226 | for(pv=ptemp; pv <pvt; pv++) |
| 227 | av[na++] = *pv; |
| 228 | av[na++]=0; |
| 229 | if (callsys(passp, av)) { |
| 230 | cflag++; |
| 231 | eflag++; |
| 232 | continue; |
| 233 | } |
| 234 | av[1] = tmp4; |
| 235 | tsp = savetsp; |
| 236 | av[0]= "c0"; |
| 237 | if (pflag) { |
| 238 | cflag++; |
| 239 | continue; |
| 240 | } |
| 241 | av[2] = tmp1; |
| 242 | av[3] = tmp2; |
| 243 | if (proflag) { |
| 244 | av[4] = "-P"; |
| 245 | av[5] = 0; |
| 246 | } |
| 247 | else |
| 248 | av[4] = 0; |
| 249 | if (callsys(pass0, av)) { |
| 250 | cflag++; |
| 251 | eflag++; |
| 252 | continue; |
| 253 | } |
| 254 | av[0] = "c1"; |
| 255 | av[1] = tmp1; |
| 256 | av[2] = tmp2; |
| 257 | if (sflag) |
| 258 | assource = tmp3 = setsuf(clist[i], 's'); |
| 259 | av[3] = tmp3; |
| 260 | if (oflag) |
| 261 | av[3] = tmp5; |
| 262 | av[4] = 0; |
| 263 | if(callsys(pass1, av)) { |
| 264 | cflag++; |
| 265 | eflag++; |
| 266 | continue; |
| 267 | } |
| 268 | if (oflag) { |
| 269 | av[0] = "c2"; |
| 270 | av[1] = tmp5; |
| 271 | av[2] = tmp3; |
| 272 | av[3] = 0; |
| 273 | if (callsys(pass2, av)) { |
| 274 | unlink(tmp3); |
| 275 | tmp3 = assource = tmp5; |
| 276 | } |
| 277 | else |
| 278 | unlink(tmp5); |
| 279 | } |
| 280 | if (sflag) |
| 281 | continue; |
| 282 | assemble: |
| 283 | av[0] = "as"; |
| 284 | av[1] = "-u"; |
| 285 | av[2] = "-o"; |
| 286 | av[3] = setsuf(clist[i], 'o'); |
| 287 | av[4] = assource; |
| 288 | av[5] = 0; |
| 289 | cunlink(tmp1); |
| 290 | cunlink(tmp2); |
| 291 | cunlink(tmp4); |
| 292 | if (callsys("/bin/as", av) > 1) { |
| 293 | cflag++; |
| 294 | eflag++; |
| 295 | continue; |
| 296 | } |
| 297 | } |
| 298 | nocom: |
| 299 | if (cflag==0 && nl!=0) { |
| 300 | i = 0; |
| 301 | av[0] = "ld"; |
| 302 | av[1] = "-X"; |
| 303 | av[2] = pref; |
| 304 | j = 3; |
| 305 | if (noflflag) { |
| 306 | j = 4; |
| 307 | av[3] = "-lfpsim"; |
| 308 | } |
| 309 | if (outfile) { |
| 310 | av[j++] = "-o"; |
| 311 | av[j++] = outfile; |
| 312 | } |
| 313 | while(i<nl) |
| 314 | av[j++] = llist[i++]; |
| 315 | if(f20) |
| 316 | av[j++] = "-l2"; |
| 317 | else { |
| 318 | av[j++] = "-lc"; |
| 319 | } |
| 320 | av[j++] = 0; |
| 321 | eflag |= callsys("/bin/ld", av); |
| 322 | if (nc==1 && nxo==1 && eflag==0) |
| 323 | cunlink(setsuf(clist[0], 'o')); |
| 324 | } |
| 325 | dexit(); |
| 326 | } |
| 327 | |
| 328 | idexit() |
| 329 | { |
| 330 | eflag = 100; |
| 331 | dexit(); |
| 332 | } |
| 333 | |
| 334 | dexit() |
| 335 | { |
| 336 | if (!pflag) { |
| 337 | cunlink(tmp1); |
| 338 | cunlink(tmp2); |
| 339 | if (sflag==0) |
| 340 | cunlink(tmp3); |
| 341 | cunlink(tmp4); |
| 342 | cunlink(tmp5); |
| 343 | cunlink(tmp0); |
| 344 | } |
| 345 | exit(eflag); |
| 346 | } |
| 347 | |
| 348 | error(s, x) |
| 349 | char *s, *x; |
| 350 | { |
| 351 | fprintf(exflag?stderr:stdout, s, x); |
| 352 | putc('\n', exflag? stderr : stdout); |
| 353 | cflag++; |
| 354 | eflag++; |
| 355 | } |
| 356 | |
| 357 | |
| 358 | |
| 359 | |
| 360 | getsuf(as) |
| 361 | char as[]; |
| 362 | { |
| 363 | register int c; |
| 364 | register char *s; |
| 365 | register int t; |
| 366 | |
| 367 | s = as; |
| 368 | c = 0; |
| 369 | while(t = *s++) |
| 370 | if (t=='/') |
| 371 | c = 0; |
| 372 | else |
| 373 | c++; |
| 374 | s -= 3; |
| 375 | if (c<=14 && c>2 && *s++=='.') |
| 376 | return(*s); |
| 377 | return(0); |
| 378 | } |
| 379 | |
| 380 | char * |
| 381 | setsuf(as, ch) |
| 382 | char *as; |
| 383 | { |
| 384 | register char *s, *s1; |
| 385 | |
| 386 | s = s1 = copy(as); |
| 387 | while(*s) |
| 388 | if (*s++ == '/') |
| 389 | s1 = s; |
| 390 | s[-1] = ch; |
| 391 | return(s1); |
| 392 | } |
| 393 | |
| 394 | callsys(f, v) |
| 395 | char f[], *v[]; |
| 396 | { |
| 397 | int t, status; |
| 398 | |
| 399 | if ((t=fork())==0) { |
| 400 | execv(f, v); |
| 401 | printf("Can't find %s\n", f); |
| 402 | exit(100); |
| 403 | } else |
| 404 | if (t == -1) { |
| 405 | printf("Try again\n"); |
| 406 | return(100); |
| 407 | } |
| 408 | while(t!=wait(&status)) |
| 409 | ; |
| 410 | if (t = status&0377) { |
| 411 | if (t!=SIGINT) { |
| 412 | printf("Fatal error in %s\n", f); |
| 413 | eflag = 8; |
| 414 | } |
| 415 | dexit(); |
| 416 | } |
| 417 | return((status>>8) & 0377); |
| 418 | } |
| 419 | |
| 420 | char * |
| 421 | copy(as) |
| 422 | char *as; |
| 423 | { |
| 424 | char *malloc(); |
| 425 | register char *otsp, *s; |
| 426 | |
| 427 | otsp = tsp; |
| 428 | s = as; |
| 429 | while (*tsp++ = *s++) |
| 430 | ; |
| 431 | if (tsp > tsa+CHSPACE) { |
| 432 | tsp = tsa = malloc(CHSPACE+50); |
| 433 | if (tsp==NULL) { |
| 434 | error("no space for file names", (char *)NULL); |
| 435 | dexit(); |
| 436 | } |
| 437 | } |
| 438 | return(otsp); |
| 439 | } |
| 440 | |
| 441 | nodup(l, os) |
| 442 | char **l, *os; |
| 443 | { |
| 444 | register char *t, *s; |
| 445 | register int c; |
| 446 | |
| 447 | s = os; |
| 448 | if (getsuf(s) != 'o') |
| 449 | return(1); |
| 450 | while(t = *l++) { |
| 451 | while(c = *s++) |
| 452 | if (c != *t++) |
| 453 | break; |
| 454 | if (*t=='\0' && c=='\0') |
| 455 | return(0); |
| 456 | s = os; |
| 457 | } |
| 458 | return(1); |
| 459 | } |
| 460 | |
| 461 | cunlink(f) |
| 462 | char *f; |
| 463 | { |
| 464 | if (f==NULL) |
| 465 | return; |
| 466 | unlink(f); |
| 467 | } |