[unix-history] / usr / src / cmd / cc.c

#
# include <stdio.h>
# include <ctype.h>
# include <signal.h>
/* C command */

# define SBSIZE 10000
# define MAXINC 10
# define MAXFIL 100
# define MAXLIB 100
# define MAXOPT 100
char	*tmp0;
char	*tmp1;
char	*tmp2;
char	*tmp3;
char	*tmp4;
char	*tmp5;
char	*outfile;
char *copy(),*setsuf();
# define CHSPACE 1000
char	ts[CHSPACE+50];
char	*tsa = ts;
char	*tsp = ts;
char	*av[50];
char	*clist[MAXFIL];
char	*llist[MAXLIB];
char	*alist[20];
int dflag;
int	pflag;
int	sflag;
int	cflag;
int	eflag;
int	gflag;
int	exflag;
int	oflag;
int	proflag;
int	noflflag;
int	exfail;
char	*chpass ;
char	*npassname ;
char	pass0[40] = "/lib/ccom";
char	pass2[20] = "/lib/c2";
char	passp[20] = "/lib/cpp";
char	*pref = "/lib/crt0.o";

main(argc, argv)
char *argv[]; {
	char *t;
	char *savetsp;
	char *assource;
	char **pv, *ptemp[MAXOPT], **pvt;
	int nc, nl, i, j, c, f20, nxo, na;
	int idexit();

	i = nc = nl = f20 = nxo = 0;
	pv = ptemp;
	while(++i < argc) {
		if(*argv[i] == '-') switch (argv[i][1]) {
		default:
			goto passa;
		case 'S':
			sflag++;
			cflag++;
			break;
		case 'o':
			if (++i < argc) {
				outfile = argv[i];
				if ((t=getsuf(outfile))=='c'||t=='o') {
					error("Would overwrite %s", outfile);
					exit(8);
				}
			}
			break;
		case 'O':
			oflag++;
			break;
		case 'p':
			proflag++;
			break;
		case 'g':
			gflag++;
			break;
		case 'E':
			exflag++;
		case 'P':
			pflag++;
			if (argv[i][1]=='P')
			fprintf(stderr, "(Warning): -P option obsolete\n");
			*pv++ = argv[i];
		case 'c':
			cflag++;
			break;

		case 'f':
			noflflag++;
			if (npassname || chpass)
				error("-f overwrites earlier option",0);
			npassname = "/lib/f";
			chpass = "12";
			break;

		case '2':
			if(argv[i][2] == '\0')
				pref = "/lib/crt2.o";
			else {
				pref = "/lib/crt20.o";
				f20 = 1;
			}
			break;
		case 'D':
		case 'I':
		case 'U':
		case 'C':
			*pv++ = argv[i];
			if (pv >= ptemp+MAXOPT)
				{
				error("Too many DIUC options", 0);
				--pv;
				}
			break;
		case 't':
			if (chpass)
				error("-t overwrites earlier option",0);
			chpass = argv[i]+2;
			if (chpass[0]==0)
				chpass = "012p";
			break;

		case 'B':
			if (npassname)
				error("-B overwrites earlier option", 0);
			npassname = argv[i]+2;
			if (npassname[0]==0)
				npassname = "/usr/c/o";
			break;

		case 'd':
			dflag++;
			strcpyn(alist, argv[i], 19);
			break;
		} else {
		passa:
			t = argv[i];
			if((c=getsuf(t))=='c' || c=='s'|| exflag) {
				clist[nc++] = t;
				if (nc>=MAXFIL)
					{
					error("Too many source files",0);
					exit(1);
					}
				t = setsuf(t, 'o');
			}
			if (nodup(llist, t)) {
				llist[nl++] = t;
				if (nl >= MAXLIB)
					{
					error("Too many object/library files",0);
					exit(1);
					}
				if (getsuf(t)=='o')
					nxo++;
			}
		}
	}
	if (gflag) oflag = 0;
	if (npassname && chpass ==0)
		chpass = "012p";
	if (chpass && npassname==0)
		npassname = "/usr/c/";
	if (chpass)
	for (t=chpass; *t; t++)
		{
		switch (*t)
			{
			case '0':
				strcpy (pass0, npassname);
				strcat (pass0, "ccom");
				continue;
			case '2':
				strcpy (pass2, npassname);
				strcat (pass2, "c2");
				continue;
			case 'p':
				strcpy (passp, npassname);
				strcat (passp, "cpp");
				continue;
			}
		}
	if (noflflag)
		pref = proflag ? "/lib/fmcrt0.o" : "/lib/fcrt0.o";
	else if (proflag)
		pref = "/lib/mcrt0.o";
	if(nc==0)
		goto nocom;
	if (pflag==0) {
		tmp0 = copy("/tmp/ctm0a");
		while((c=fopen(tmp0, "r")) != NULL) {
			fclose(c);
			tmp0[9]++;
		}
		while((creat(tmp0, 0400))<0)
			tmp0[9]++;
	}
	if (signal(SIGINT, SIG_IGN) != SIG_IGN)	/* interrupt */
		signal(SIGINT, idexit);
	if (signal(SIGTERM, SIG_IGN) != SIG_IGN)	/* terminate */
		signal(SIGTERM, idexit);
	(tmp1 = copy(tmp0))[8] = '1';
	(tmp2 = copy(tmp0))[8] = '2';
	(tmp3 = copy(tmp0))[8] = '3';
	if (oflag)
		(tmp5 = copy(tmp0))[8] = '5';
	if (pflag==0)
		(tmp4 = copy(tmp0))[8] = '4';
	pvt = pv;
	for (i=0; i<nc; i++) {
		if (nc>1)
			printf("%s:\n", clist[i]);
		if (getsuf(clist[i])=='s') {
			assource = clist[i];
			goto assemble;
		} else
			assource = tmp3;
		if (pflag)
			tmp4 = setsuf(clist[i], 'i');
		savetsp = tsp;
		av[0] = "cpp";
		av[1] = clist[i];
		av[2] = exflag ? "-" : tmp4;
		na = 3;
		for(pv=ptemp; pv <pvt; pv++)
			av[na++] = *pv;
		av[na++]=0;
		if (callsys(passp, av))
			{exfail++; eflag++;}
		av[1] =tmp4;
		tsp = savetsp;
		av[0]= "ccom";
		if (pflag || exfail)
			{
			cflag++;
			continue;
			}
		if(sflag)
			assource = tmp3 = setsuf(clist[i], 's');
		av[2] = tmp3;
		if(oflag)
			av[2] = tmp5;
		if (proflag) {
			av[3] = "-XP";
			av[4] = 0;
		} else
			av[3] = 0;
		if (gflag) {
			int i;
			i = av[3] ? 4 : 3;
			av[i++] = "-Xg";
			av[i] = 0;
		}
		if (callsys(pass0, av)) {
			cflag++;
			eflag++;
			continue;
		}
		if (oflag) {
			av[0] = "c2";
			av[1] = tmp5;
			av[2] = tmp3;
			av[3] = 0;
			if (callsys(pass2, av)) {
				unlink(tmp3);
				tmp3 = assource = tmp5;
			} else
				unlink(tmp5);
		}
		if (sflag)
			continue;
	assemble:
		av[0] = "as";
		av[1] = "-o";
		av[2] = setsuf(clist[i], 'o');
		av[3] = assource;
		if (dflag) {
			av[4] = alist;
			av[5] = 0;
		} else
			av[4] = 0;
		cunlink(tmp1);
		cunlink(tmp2);
		cunlink(tmp4);
		if (callsys("/bin/as", av) > 1) {
			cflag++;
			eflag++;
			continue;
		}
	}
nocom:
	if (cflag==0 && nl!=0) {
		i = 0;
		av[0] = "ld";
		av[1] = "-X";
		av[2] = pref;
		j = 3;
		if (outfile) {
			av[j++] = "-o";
			av[j++] = outfile;
		}
		while(i<nl)
			av[j++] = llist[i++];
		if (gflag)
			av[j++] = "-lg";
		if(f20)
			av[j++] = "-l2";
		else {
			av[j++] = "/lib/libc.a";
			av[j++] = "-l";
		}
		av[j++] = 0;
		eflag |= callsys("/bin/ld", av);
		if (nc==1 && nxo==1 && eflag==0)
			cunlink(setsuf(clist[0], 'o'));
	}
	dexit();
}

idexit()
{
	eflag = 100;
	dexit();
}

dexit()
{
	if (!pflag) {
		cunlink(tmp1);
		cunlink(tmp2);
		if (sflag==0)
			cunlink(tmp3);
		cunlink(tmp4);
		cunlink(tmp5);
		cunlink(tmp0);
	}
	exit(eflag);
}

error(s, x)
{
	fprintf(exflag?stderr:stdout , s, x);
	putc('\n', exflag? stderr : stdout);
	exfail++;
	cflag++;
	eflag++;
}


getsuf(as)
char as[];
{
	register int c;
	register char *s;
	register int t;

	s = as;
	c = 0;
	while(t = *s++)
		if (t=='/')
			c = 0;
		else
			c++;
	s -= 3;
	if (c<=14 && c>2 && *s++=='.')
		return(*s);
	return(0);
}

char *
setsuf(as, ch)
char as[];
{
	register char *s, *s1;

	s = s1 = copy(as);
	while(*s)
		if (*s++ == '/')
			s1 = s;
	s[-1] = ch;
	return(s1);
}

callsys(f, v)
char f[], *v[]; {
	int t, status;

	if ((t=fork())==0) {
		execv(f, v);
		printf("Can't find %s\n", f);
		exit(100);
	} else
		if (t == -1) {
			printf("Try again\n");
			return(100);
		}
	while(t!=wait(&status));
	if ((t=(status&0377)) != 0 && t!=14) {
		if (t!=2)		/* interrupt */
			{
			printf("Fatal error in %s\n", f);
			eflag = 8;
			}
		dexit();
	}
	return((status>>8) & 0377);
}

char *
copy(as)
char as[];
{
	register char *otsp, *s;
	int i;

	otsp = tsp;
	s = as;
	while(*tsp++ = *s++);
	if (tsp >tsa+CHSPACE)
		{
		tsp = tsa = i = calloc(CHSPACE+50,1);
		if (i== -1){
			error("no space for file names");
			dexit(8);
			}
		}
	return(otsp);
}

nodup(l, os)
char **l, *os;
{
	register char *t, *s;
	register int c;

	s = os;
	if (getsuf(s) != 'o')
		return(1);
	while(t = *l++) {
		while(c = *s++)
			if (c != *t++)
				break;
		if (*t=='\0' && c=='\0')
			return(0);
		s = os;
	}
	return(1);
}

cunlink(f)
char *f;
{
	if (f==0)
		return(0);
	return(unlink(f));
}
Commit	Line	Data
8a6fc7e1 TL	1	#
	2	# include <stdio.h>
	3	# include <ctype.h>
	4	# include <signal.h>
	5	/* C command */
	6
	7	# define SBSIZE 10000
	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	char copy(),setsuf();
	20	# define CHSPACE 1000
	21	char ts[CHSPACE+50];
	22	char *tsa = ts;
	23	char *tsp = ts;
	24	char *av[50];
	25	char *clist[MAXFIL];
	26	char *llist[MAXLIB];
	27	char *alist[20];
	28	int dflag;
	29	int pflag;
	30	int sflag;
	31	int cflag;
	32	int eflag;
	33	int gflag;
	34	int exflag;
	35	int oflag;
	36	int proflag;
	37	int noflflag;
	38	int exfail;
	39	char *chpass ;
	40	char *npassname ;
	41	char pass0[40] = "/lib/ccom";
	42	char pass2[20] = "/lib/c2";
	43	char passp[20] = "/lib/cpp";
	44	char *pref = "/lib/crt0.o";
	45
	46	main(argc, argv)
	47	char *argv[]; {
	48	char *t;
	49	char *savetsp;
	50	char *assource;
	51	char *pv, ptemp[MAXOPT], **pvt;
	52	int nc, nl, i, j, c, f20, nxo, na;
	53	int idexit();
	54
	55	i = nc = nl = f20 = nxo = 0;
	56	pv = ptemp;
	57	while(++i < argc) {
	58	if(*argv[i] == '-') switch (argv[i][1]) {
	59	default:
	60	goto passa;
	61	case 'S':
	62	sflag++;
	63	cflag++;
	64	break;
65	case 'o':
66	if (++i < argc) {
67	outfile = argv[i];
68	if ((t=getsuf(outfile))=='c'\|\|t=='o') {
69	error("Would overwrite %s", outfile);
70	exit(8);
71	}
72	}
73	break;
74	case 'O':
75	oflag++;
76	break;
77	case 'p':
78	proflag++;
79	break;
80	case 'g':
81	gflag++;
82	break;
83	case 'E':
84	exflag++;
85	case 'P':
86	pflag++;
87	if (argv[i][1]=='P')
88	fprintf(stderr, "(Warning): -P option obsolete\n");
89	*pv++ = argv[i];
90	case 'c':
91	cflag++;
92	break;
93
94	case 'f':
95	noflflag++;
96	if (npassname \|\| chpass)
97	error("-f overwrites earlier option",0);
98	npassname = "/lib/f";
99	chpass = "12";
100	break;
101
102	case '2':
103	if(argv[i][2] == '\0')
104	pref = "/lib/crt2.o";
105	else {
106	pref = "/lib/crt20.o";
107	f20 = 1;
108	}
109	break;
110	case 'D':
111	case 'I':
112	case 'U':
113	case 'C':
114	*pv++ = argv[i];
115	if (pv >= ptemp+MAXOPT)
116	{
117	error("Too many DIUC options", 0);
118	--pv;
119	}
120	break;
121	case 't':
122	if (chpass)
123	error("-t overwrites earlier option",0);
124	chpass = argv[i]+2;
125	if (chpass[0]==0)
126	chpass = "012p";
127	break;
128
129	case 'B':
130	if (npassname)
131	error("-B overwrites earlier option", 0);
132	npassname = argv[i]+2;
133	if (npassname[0]==0)
134	npassname = "/usr/c/o";
135	break;
136
137	case 'd':
138	dflag++;
139	strcpyn(alist, argv[i], 19);
140	break;
141	} else {
142	passa:
143	t = argv[i];
144	if((c=getsuf(t))=='c' \|\| c=='s'\|\| exflag) {
145	clist[nc++] = t;
146	if (nc>=MAXFIL)
147	{
148	error("Too many source files",0);
149	exit(1);
150	}
151	t = setsuf(t, 'o');
152	}
153	if (nodup(llist, t)) {
154	llist[nl++] = t;
155	if (nl >= MAXLIB)
156	{
157	error("Too many object/library files",0);
158	exit(1);
159	}
160	if (getsuf(t)=='o')
161	nxo++;
162	}
163	}
164	}
165	if (gflag) oflag = 0;
166	if (npassname && chpass ==0)
167	chpass = "012p";
168	if (chpass && npassname==0)
169	npassname = "/usr/c/";
170	if (chpass)
171	for (t=chpass; *t; t++)
172	{
173	switch (*t)
174	{
175	case '0':
176	strcpy (pass0, npassname);
177	strcat (pass0, "ccom");
178	continue;
179	case '2':
180	strcpy (pass2, npassname);
181	strcat (pass2, "c2");
182	continue;
183	case 'p':
184	strcpy (passp, npassname);
185	strcat (passp, "cpp");
186	continue;
187	}
188	}
189	if (noflflag)
190	pref = proflag ? "/lib/fmcrt0.o" : "/lib/fcrt0.o";
191	else if (proflag)
192	pref = "/lib/mcrt0.o";
193	if(nc==0)
194	goto nocom;
195	if (pflag==0) {
196	tmp0 = copy("/tmp/ctm0a");
197	while((c=fopen(tmp0, "r")) != NULL) {
198	fclose(c);
199	tmp0[9]++;
200	}
201	while((creat(tmp0, 0400))<0)
202	tmp0[9]++;
203	}
204	if (signal(SIGINT, SIG_IGN) != SIG_IGN) /* interrupt */
205	signal(SIGINT, idexit);
206	if (signal(SIGTERM, SIG_IGN) != SIG_IGN) /* terminate */
207	signal(SIGTERM, idexit);
208	(tmp1 = copy(tmp0))[8] = '1';
209	(tmp2 = copy(tmp0))[8] = '2';
210	(tmp3 = copy(tmp0))[8] = '3';
211	if (oflag)
212	(tmp5 = copy(tmp0))[8] = '5';
213	if (pflag==0)
214	(tmp4 = copy(tmp0))[8] = '4';
215	pvt = pv;
216	for (i=0; i<nc; i++) {
217	if (nc>1)
218	printf("%s:\n", clist[i]);
219	if (getsuf(clist[i])=='s') {
220	assource = clist[i];
221	goto assemble;
222	} else
223	assource = tmp3;
224	if (pflag)
225	tmp4 = setsuf(clist[i], 'i');
226	savetsp = tsp;
227	av[0] = "cpp";
228	av[1] = clist[i];
229	av[2] = exflag ? "-" : tmp4;
230	na = 3;
231	for(pv=ptemp; pv <pvt; pv++)
232	av[na++] = *pv;
233	av[na++]=0;
234	if (callsys(passp, av))
235	{exfail++; eflag++;}
236	av[1] =tmp4;
237	tsp = savetsp;
238	av[0]= "ccom";
239	if (pflag \|\| exfail)
240	{
241	cflag++;
242	continue;
243	}
244	if(sflag)
245	assource = tmp3 = setsuf(clist[i], 's');
246	av[2] = tmp3;
247	if(oflag)
248	av[2] = tmp5;
249	if (proflag) {
250	av[3] = "-XP";
251	av[4] = 0;
252	} else
253	av[3] = 0;
254	if (gflag) {
255	int i;
256	i = av[3] ? 4 : 3;
257	av[i++] = "-Xg";
258	av[i] = 0;
259	}
260	if (callsys(pass0, av)) {
261	cflag++;
262	eflag++;
263	continue;
264	}
265	if (oflag) {
266	av[0] = "c2";
267	av[1] = tmp5;
268	av[2] = tmp3;
269	av[3] = 0;
270	if (callsys(pass2, av)) {
271	unlink(tmp3);
272	tmp3 = assource = tmp5;
273	} else
274	unlink(tmp5);
275	}
276	if (sflag)
277	continue;
278	assemble:
279	av[0] = "as";
280	av[1] = "-o";
281	av[2] = setsuf(clist[i], 'o');
282	av[3] = assource;
283	if (dflag) {
284	av[4] = alist;
285	av[5] = 0;
286	} else
287	av[4] = 0;
288	cunlink(tmp1);
289	cunlink(tmp2);
290	cunlink(tmp4);
291	if (callsys("/bin/as", av) > 1) {
292	cflag++;
293	eflag++;
294	continue;
295	}
296	}
297	nocom:
298	if (cflag==0 && nl!=0) {
299	i = 0;
300	av[0] = "ld";
301	av[1] = "-X";
302	av[2] = pref;
303	j = 3;
304	if (outfile) {
305	av[j++] = "-o";
306	av[j++] = outfile;
307	}
308	while(i<nl)
309	av[j++] = llist[i++];
310	if (gflag)
311	av[j++] = "-lg";
312	if(f20)
313	av[j++] = "-l2";
314	else {
315	av[j++] = "/lib/libc.a";
316	av[j++] = "-l";
317	}
318	av[j++] = 0;
319	eflag \|= callsys("/bin/ld", av);
320	if (nc==1 && nxo==1 && eflag==0)
321	cunlink(setsuf(clist[0], 'o'));
322	}
323	dexit();
324	}
325
326	idexit()
327	{
328	eflag = 100;
329	dexit();
330	}
331
332	dexit()
333	{
334	if (!pflag) {
335	cunlink(tmp1);
336	cunlink(tmp2);
337	if (sflag==0)
338	cunlink(tmp3);
339	cunlink(tmp4);
340	cunlink(tmp5);
341	cunlink(tmp0);
342	}
343	exit(eflag);
344	}
345
346	error(s, x)
347	{
348	fprintf(exflag?stderr:stdout , s, x);
349	putc('\n', exflag? stderr : stdout);
350	exfail++;
351	cflag++;
352	eflag++;
353	}
354
355
356
357
358	getsuf(as)
359	char as[];
360	{
361	register int c;
362	register char *s;
363	register int t;
364
365	s = as;
366	c = 0;
367	while(t = *s++)
368	if (t=='/')
369	c = 0;
370	else
371	c++;
372	s -= 3;
373	if (c<=14 && c>2 && *s++=='.')
374	return(*s);
375	return(0);
376	}
377
378	char *
379	setsuf(as, ch)
380	char as[];
381	{
382	register char s, s1;
383
384	s = s1 = copy(as);
385	while(*s)
386	if (*s++ == '/')
387	s1 = s;
388	s[-1] = ch;
389	return(s1);
390	}
391
392	callsys(f, v)
393	char f[], *v[]; {
394	int t, status;
395
396	if ((t=fork())==0) {
397	execv(f, v);
398	printf("Can't find %s\n", f);
399	exit(100);
400	} else
401	if (t == -1) {
402	printf("Try again\n");
403	return(100);
404	}
405	while(t!=wait(&status));
406	if ((t=(status&0377)) != 0 && t!=14) {
407	if (t!=2) /* interrupt */
408	{
409	printf("Fatal error in %s\n", f);
410	eflag = 8;
411	}
412	dexit();
413	}
414	return((status>>8) & 0377);
415	}
416
417	char *
418	copy(as)
419	char as[];
420	{
421	register char otsp, s;
422	int i;
423
424	otsp = tsp;
425	s = as;
426	while(tsp++ = s++);
427	if (tsp >tsa+CHSPACE)
428	{
429	tsp = tsa = i = calloc(CHSPACE+50,1);
430	if (i== -1){
431	error("no space for file names");
432	dexit(8);
433	}
434	}
435	return(otsp);
436	}
437
438	nodup(l, os)
439	char *l, os;
440	{
441	register char t, s;
442	register int c;
443
444	s = os;
445	if (getsuf(s) != 'o')
446	return(1);
447	while(t = *l++) {
448	while(c = *s++)
449	if (c != *t++)
450	break;
451	if (*t=='\0' && c=='\0')
452	return(0);
453	s = os;
454	}
455	return(1);
456	}
457
458	cunlink(f)
459	char *f;
460	{
461	if (f==0)
462	return(0);
463	return(unlink(f));
464	}