1 files changed, 793 insertions, 793 deletions
diff --git a/lcc/etc/lcc.c b/lcc/etc/lcc.c
index c70abbb..a52119b 100755
--- a/lcc/etc/lcc.c
+++ b/lcc/etc/lcc.c
@@ -1,793 +1,793 @@
-/*
- * lcc [ option ]... [ file | -llib ]...
- * front end for the ANSI C compiler
- */
-static char rcsid[] = "Id: dummy rcsid";
-
-#include <stdio.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <assert.h>
-#include <ctype.h>
-#include <signal.h>
-
-#ifndef TEMPDIR
-#define TEMPDIR "/tmp"
-#endif
-
-typedef struct list *List;
-struct list {		/* circular list nodes: */
-	char *str;		/* option or file name */
-	List link;		/* next list element */
-};
-
-static void *alloc(int);
-static List append(char *,List);
-extern char *basepath(char *);
-static int callsys(char *[]);
-extern char *concat(char *, char *);
-static int compile(char *, char *);
-static void compose(char *[], List, List, List);
-static void error(char *, char *);
-static char *exists(char *);
-static char *first(char *);
-static int filename(char *, char *);
-static List find(char *, List);
-static void help(void);
-static void initinputs(void);
-static void interrupt(int);
-static void opt(char *);
-static List path2list(const char *);
-extern int main(int, char *[]);
-extern char *replace(const char *, int, int);
-static void rm(List);
-extern char *strsave(const char *);
-extern char *stringf(const char *, ...);
-extern int suffix(char *, char *[], int);
-extern char *tempname(char *);
-
-extern int access(char *, int);
-extern int getpid(void);
-
-extern char *cpp[], *include[], *com[], *as[],*ld[], inputs[], *suffixes[];
-extern int option(char *);
-
-static int errcnt;		/* number of errors */
-static int Eflag;		/* -E specified */
-static int Sflag;		/* -S specified */
-static int cflag;		/* -c specified */
-static int verbose;		/* incremented for each -v */
-static List llist[2];		/* loader files, flags */
-static List alist;		/* assembler flags */
-static List clist;		/* compiler flags */
-static List plist;		/* preprocessor flags */
-static List ilist;		/* list of additional includes from LCCINPUTS */
-static List rmlist;		/* list of files to remove */
-static char *outfile;		/* ld output file or -[cS] object file */
-static int ac;			/* argument count */
-static char **av;		/* argument vector */
-char *tempdir = TEMPDIR;	/* directory for temporary files */
-static char *progname;
-static List lccinputs;		/* list of input directories */
-
-main(int argc, char *argv[]) {
-	int i, j, nf;
-	
-	progname = argv[0];
-	ac = argc + 50;
-	av = alloc(ac*sizeof(char *));
-	if (signal(SIGINT, SIG_IGN) != SIG_IGN)
-		signal(SIGINT, interrupt);
-	if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
-		signal(SIGTERM, interrupt);
-#ifdef SIGHUP
-	if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
-		signal(SIGHUP, interrupt);
-#endif
-	if (getenv("TMP"))
-		tempdir = getenv("TMP");
-	else if (getenv("TEMP"))
-		tempdir = getenv("TEMP");
-	else if (getenv("TMPDIR"))
-		tempdir = getenv("TMPDIR");
-	assert(tempdir);
-	i = strlen(tempdir);
-	for (; i > 0 && tempdir[i-1] == '/' || tempdir[i-1] == '\\'; i--)
-		tempdir[i-1] = '\0';
-	if (argc <= 1) {
-		help();
-		exit(0);
-	}
-	plist = append("-D__LCC__", 0);
-	initinputs();
-	if (getenv("LCCDIR"))
-		option(stringf("-lccdir=%s", getenv("LCCDIR")));
-	for (nf = 0, i = j = 1; i < argc; i++) {
-		if (strcmp(argv[i], "-o") == 0) {
-			if (++i < argc) {
-				if (suffix(argv[i], suffixes, 2) >= 0) {
-					error("-o would overwrite %s", argv[i]);
-					exit(8);
-				}
-				outfile = argv[i];
-				continue;
-			} else {
-				error("unrecognized option `%s'", argv[i-1]);
-				exit(8);
-			}
-		} else if (strcmp(argv[i], "-target") == 0) {
-			if (argv[i+1] && *argv[i+1] != '-')
-				i++;
-			continue;
-		} else if (*argv[i] == '-' && argv[i][1] != 'l') {
-			opt(argv[i]);
-			continue;
-		} else if (*argv[i] != '-' && suffix(argv[i], suffixes, 3) >= 0)
-			nf++;
-		argv[j++] = argv[i];
-	}
-	if ((cflag || Sflag) && outfile && nf != 1) {
-		fprintf(stderr, "%s: -o %s ignored\n", progname, outfile);
-		outfile = 0;
-	}
-	argv[j] = 0;
-	for (i = 0; include[i]; i++)
-		plist = append(include[i], plist);
-	if (ilist) {
-		List b = ilist;
-		do {
-			b = b->link;
-			plist = append(b->str, plist);
-		} while (b != ilist);
-	}
-	ilist = 0;
-	for (i = 1; argv[i]; i++)
-		if (*argv[i] == '-')
-			opt(argv[i]);
-		else {
-			char *name = exists(argv[i]);
-			if (name) {
-				if (strcmp(name, argv[i]) != 0
-				|| nf > 1 && suffix(name, suffixes, 3) >= 0)
-					fprintf(stderr, "%s:\n", name);
-				filename(name, 0);
-			} else
-				error("can't find `%s'", argv[i]);
-		}
-	if (errcnt == 0 && !Eflag && !Sflag && !cflag && llist[1]) {
-		compose(ld, llist[0], llist[1],
-			append(outfile ? outfile : concat("a", first(suffixes[4])), 0));
-		if (callsys(av))
-			errcnt++;
-	}
-	rm(rmlist);	
-	return errcnt ? EXIT_FAILURE : EXIT_SUCCESS;
-}
-
-/* alloc - allocate n bytes or die */
-static void *alloc(int n) {
-	static char *avail, *limit;
-	
-	n = (n + sizeof(char *) - 1)&~(sizeof(char *) - 1);
-	if (n >= limit - avail) {
-		avail = malloc(n + 4*1024);
-		assert(avail);
-		limit = avail + n + 4*1024;
-	}
-	avail += n;
-	return avail - n;
-}
-
-/* append - append a node with string str onto list, return new list */	
-static List append(char *str, List list) {
-	List p = alloc(sizeof *p);
-
-	p->str = str;
-	if (list) {
-		p->link = list->link;
-		list->link = p;
-	} else
-		p->link = p;
-	return p;
-}
-
-/* basepath - return base name for name, e.g. /usr/drh/foo.c => foo */
-char *basepath(char *name) {
-	char *s, *b, *t = 0;
-
-	for (b = s = name; *s; s++)
-		if (*s == '/' || *s == '\\') {
-			b = s + 1;
-			t = 0;
-		} else if (*s == '.')
-			t = s;
-	s = strsave(b);
-	if (t)
-		s[t-b] = 0;
-	return s;
-}
-
-#ifdef WIN32
-#include <process.h>
-#else
-#define _P_WAIT 0
-extern int fork(void);
-extern int wait(int *);
-extern void execv(const char *, char *[]);
-
-static int _spawnvp(int mode, const char *cmdname, char *argv[]) {
-	int pid, n, status;
-
-	switch (pid = fork()) {
-	case -1:
-		fprintf(stderr, "%s: no more processes\n", progname);
-		return 100;
-	case 0:
-		// TTimo removing hardcoded paths, searching in $PATH
-		execvp(cmdname, argv);
-		fprintf(stderr, "%s: ", progname);
-		perror(cmdname);
-		fflush(stdout);
-		exit(100);
-	}
-	while ((n = wait(&status)) != pid && n != -1)
-		;
-	if (n == -1)
-		status = -1;
-	if (status&0377) {
-		fprintf(stderr, "%s: fatal error in %s\n", progname, cmdname);
-		status |= 0400;
-	}
-	return (status>>8)&0377;
-}
-#endif
-
-/* callsys - execute the command described by av[0...], return status */
-static int callsys(char **av) {
-	int i, status = 0;
-	static char **argv;
-	static int argc;
-
-	for (i = 0; av[i] != NULL; i++)
-		;
-	if (i + 1 > argc) {
-		argc = i + 1;
-		if (argv == NULL)
-			argv = malloc(argc*sizeof *argv);
-		else
-			argv = realloc(argv, argc*sizeof *argv);
-		assert(argv);
-	}
-	for (i = 0; status == 0 && av[i] != NULL; ) {
-		int j = 0;
-		char *s;
-		for ( ; av[i] != NULL && (s = strchr(av[i], '\n')) == NULL; i++)
-			argv[j++] = av[i];
-		if (s != NULL) {
-			if (s > av[i])
-				argv[j++] = stringf("%.*s", s - av[i], av[i]);
-			if (s[1] != '\0')
-				av[i] = s + 1;
-			else
-				i++;
-		}
-		argv[j] = NULL;
-		if (verbose > 0) {
-			int k;
-			fprintf(stderr, "%s", argv[0]);
-			for (k = 1; argv[k] != NULL; k++)
-				fprintf(stderr, " %s", argv[k]);
-			fprintf(stderr, "\n");
-		}
-		if (verbose < 2)
-			status = _spawnvp(_P_WAIT, argv[0], argv);
-		if (status == -1) {
-			fprintf(stderr, "%s: ", progname);
-			perror(argv[0]);
-		}
-	}
-	return status;
-}
-
-/* concat - return concatenation of strings s1 and s2 */
-char *concat(char *s1, char *s2) {
-	int n = strlen(s1);
-	char *s = alloc(n + strlen(s2) + 1);
-
-	strcpy(s, s1);
-	strcpy(s + n, s2);
-	return s;
-}
-
-/* compile - compile src into dst, return status */
-static int compile(char *src, char *dst) {
-	compose(com, clist, append(src, 0), append(dst, 0));
-	return callsys(av);
-}
-
-/* compose - compose cmd into av substituting a, b, c for $1, $2, $3, resp. */
-static void compose(char *cmd[], List a, List b, List c) {
-	int i, j;
-	List lists[3];
-
-	lists[0] = a;
-	lists[1] = b;
-	lists[2] = c;
-	for (i = j = 0; cmd[i]; i++) {
-		char *s = strchr(cmd[i], '$');
-		if (s && isdigit(s[1])) {
-			int k = s[1] - '0';
-			assert(k >=1 && k <= 3);
-			if (b = lists[k-1]) {
-				b = b->link;
-				av[j] = alloc(strlen(cmd[i]) + strlen(b->str) - 1);
-				strncpy(av[j], cmd[i], s - cmd[i]);
-				av[j][s-cmd[i]] = '\0';
-				strcat(av[j], b->str);
-				strcat(av[j++], s + 2);
-				while (b != lists[k-1]) {
-					b = b->link;
-					assert(j < ac);
-					av[j++] = b->str;
-				};
-			}
-		} else if (*cmd[i]) {
-			assert(j < ac);
-			av[j++] = cmd[i];
-		}
-	}
-	av[j] = NULL;
-}
-
-/* error - issue error msg according to fmt, bump error count */
-static void error(char *fmt, char *msg) {
-	fprintf(stderr, "%s: ", progname);
-	fprintf(stderr, fmt, msg);
-	fprintf(stderr, "\n");
-	errcnt++;
-}
-
-/* exists - if `name' readable return its path name or return null */
-static char *exists(char *name) {
-	List b;
-
-	if ( (name[0] == '/' || name[0] == '\\' || name[2] == ':')
-	&& access(name, 4) == 0)
-		return name;
-	if (!(name[0] == '/' || name[0] == '\\' || name[2] == ':')
-	&& (b = lccinputs))		
-		do {
-			b = b->link;
-			if (b->str[0]) {
-				char buf[1024];
-				sprintf(buf, "%s/%s", b->str, name);
-				if (access(buf, 4) == 0)
-					return strsave(buf);
-			} else if (access(name, 4) == 0)
-				return name;
-		} while (b != lccinputs);
-	if (verbose > 1)
-		return name;
-	return 0;
-}
-
-/* first - return first component in semicolon separated list */
-static char *first(char *list) {
-	char *s = strchr(list, ';');
-
-	if (s) {
-		char buf[1024];
-		strncpy(buf, list, s-list);
-		buf[s-list] = '\0';
-		return strsave(buf);
-	} else
-		return list;
-}
-
-/* filename - process file name argument `name', return status */
-static int filename(char *name, char *base) {
-	int status = 0;
-	static char *stemp, *itemp;
-
-	if (base == 0)
-		base = basepath(name);
-	switch (suffix(name, suffixes, 4)) {
-	case 0:	/* C source files */
-		compose(cpp, plist, append(name, 0), 0);
-		if (Eflag) {
-			status = callsys(av);
-			break;
-		}
-		if (itemp == NULL)
-			itemp = tempname(first(suffixes[1]));
-		compose(cpp, plist, append(name, 0), append(itemp, 0));
-		status = callsys(av);
-		if (status == 0)
-			return filename(itemp, base);
-		break;
-	case 1:	/* preprocessed source files */
-		if (Eflag)
-			break;
-		if (Sflag)
-			status = compile(name, outfile ? outfile : concat(base, first(suffixes[2])));
-		else if ((status = compile(name, stemp?stemp:(stemp=tempname(first(suffixes[2]))))) == 0)
-			return filename(stemp, base);
-		break;
-	case 2:	/* assembly language files */
-		if (Eflag)
-			break;
-		if (!Sflag) {
-			char *ofile;
-			if (cflag && outfile)
-				ofile = outfile;
-			else if (cflag)
-				ofile = concat(base, first(suffixes[3]));
-			else
-				ofile = tempname(first(suffixes[3]));
-			compose(as, alist, append(name, 0), append(ofile, 0));
-			status = callsys(av);
-			if (!find(ofile, llist[1]))
-				llist[1] = append(ofile, llist[1]);
-		}
-		break;
-	case 3:	/* object files */
-		if (!find(name, llist[1]))
-			llist[1] = append(name, llist[1]);
-		break;
-	default:
-		if (Eflag) {
-			compose(cpp, plist, append(name, 0), 0);
-			status = callsys(av);
-		}
-		llist[1] = append(name, llist[1]);
-		break;
-	}
-	if (status)
-		errcnt++;
-	return status;
-}
-
-/* find - find 1st occurrence of str in list, return list node or 0 */
-static List find(char *str, List list) {
-	List b;
-	
-	if (b = list)
-		do {
-			if (strcmp(str, b->str) == 0)
-				return b;
-		} while ((b = b->link) != list);
-	return 0;
-}
-
-/* help - print help message */
-static void help(void) {
-	static char *msgs[] = {
-"", " [ option | file ]...\n",
-"	except for -l, options are processed left-to-right before files\n",
-"	unrecognized options are taken to be linker options\n",
-"-A	warn about nonANSI usage; 2nd -A warns more\n",
-"-b	emit expression-level profiling code; see bprint(1)\n",
-#ifdef sparc
-"-Bstatic -Bdynamic	specify static or dynamic libraries\n",
-#endif
-"-Bdir/	use the compiler named `dir/rcc'\n",
-"-c	compile only\n",
-"-dn	set switch statement density to `n'\n",
-"-Dname -Dname=def	define the preprocessor symbol `name'\n",
-"-E	run only the preprocessor on the named C programs and unsuffixed files\n",
-"-g	produce symbol table information for debuggers\n",
-"-help or -?	print this message\n",
-"-Idir	add `dir' to the beginning of the list of #include directories\n",	
-"-lx	search library `x'\n",
-"-N	do not search the standard directories for #include files\n",
-"-n	emit code to check for dereferencing zero pointers\n",
-"-O	is ignored\n",
-"-o file	leave the output in `file'\n",
-"-P	print ANSI-style declarations for globals\n",
-"-p -pg	emit profiling code; see prof(1) and gprof(1)\n",
-"-S	compile to assembly language\n",
-#ifdef linux
-"-static	specify static libraries (default is dynamic)\n",
-#endif
-"-t -tname	emit function tracing calls to printf or to `name'\n",
-"-target name	is ignored\n",
-"-tempdir=dir	place temporary files in `dir/'", "\n"
-"-Uname	undefine the preprocessor symbol `name'\n",
-"-v	show commands as they are executed; 2nd -v suppresses execution\n",
-"-w	suppress warnings\n",
-"-Woarg	specify system-specific `arg'\n",
-"-W[pfal]arg	pass `arg' to the preprocessor, compiler, assembler, or linker\n",
-	0 };
-	int i;
-	char *s;
-
-	msgs[0] = progname;
-	for (i = 0; msgs[i]; i++) {
-		fprintf(stderr, "%s", msgs[i]);
-		if (strncmp("-tempdir", msgs[i], 8) == 0 && tempdir)
-			fprintf(stderr, "; default=%s", tempdir);
-	}
-#define xx(v) if (s = getenv(#v)) fprintf(stderr, #v "=%s\n", s)
-	xx(LCCINPUTS);
-	xx(LCCDIR);
-#ifdef WIN32
-	xx(include);
-	xx(lib);
-#endif
-#undef xx
-}
-
-/* initinputs - if LCCINPUTS or include is defined, use them to initialize various lists */
-static void initinputs(void) {
-	char *s = getenv("LCCINPUTS");
-	List list, b;
-
-	if (s == 0 || (s = inputs)[0] == 0)
-		s = ".";
-	if (s) {
-		lccinputs = path2list(s);
-		if (b = lccinputs)
-			do {
-				b = b->link;
-				if (strcmp(b->str, ".") != 0) {
-					ilist = append(concat("-I", b->str), ilist);
-					if (strstr(com[1], "win32") == NULL)
-						llist[0] = append(concat("-L", b->str), llist[0]);
-				} else
-					b->str = "";
-			} while (b != lccinputs);
-	}
-#ifdef WIN32
-	if (list = b = path2list(getenv("include")))
-		do {
-			b = b->link;
-			ilist = append(stringf("-I\"%s\"", b->str), ilist);
-		} while (b != list);
-#endif
-}
-
-/* interrupt - catch interrupt signals */
-static void interrupt(int n) {
-	rm(rmlist);
-	exit(n = 100);
-}
-
-/* opt - process option in arg */
-static void opt(char *arg) {
-	switch (arg[1]) {	/* multi-character options */
-	case 'W':	/* -Wxarg */
-		if (arg[2] && arg[3])
-			switch (arg[2]) {
-			case 'o':
-				if (option(&arg[3]))
-					return;
-				break;
-			case 'p':
-				plist = append(&arg[3], plist);
-				return;
-			case 'f':
-				if (strcmp(&arg[3], "-C") || option("-b")) {
-					clist = append(&arg[3], clist);
-					return;
-				}
-				break; /* and fall thru */
-			case 'a':
-				alist = append(&arg[3], alist);
-				return;
-			case 'l':
-				llist[0] = append(&arg[3], llist[0]);
-				return;
-			}
-		fprintf(stderr, "%s: %s ignored\n", progname, arg);
-		return;
-	case 'd':	/* -dn */
-		arg[1] = 's';
-		clist = append(arg, clist);
-		return;
-	case 't':	/* -t -tname -tempdir=dir */
-		if (strncmp(arg, "-tempdir=", 9) == 0)
-			tempdir = arg + 9;
-		else
-			clist = append(arg, clist);
-		return;
-	case 'p':	/* -p -pg */
-		if (option(arg))
-			clist = append(arg, clist);
-		else
-			fprintf(stderr, "%s: %s ignored\n", progname, arg);
-		return;
-	case 'D':	/* -Dname -Dname=def */
-	case 'U':	/* -Uname */
-	case 'I':	/* -Idir */
-		plist = append(arg, plist);
-		return;
-	case 'B':	/* -Bdir -Bstatic -Bdynamic */
-#ifdef sparc
-		if (strcmp(arg, "-Bstatic") == 0 || strcmp(arg, "-Bdynamic") == 0)
-			llist[1] = append(arg, llist[1]);
-		else
-#endif	
-		{
-		static char *path;
-		if (path)
-			error("-B overwrites earlier option", 0);
-		path = arg + 2;
-		if (strstr(com[1], "win32") != NULL)
-			com[0] = concat(replace(path, '/', '\\'), concat("rcc", first(suffixes[4])));
-		else
-			com[0] = concat(path, "rcc");
-		if (path[0] == 0)
-			error("missing directory in -B option", 0);
-		}
-		return;
-	case 'h':
-		if (strcmp(arg, "-help") == 0) {
-			static int printed = 0;
-	case '?':
-			if (!printed)
-				help();
-			printed = 1;
-			return;
-		}
-#ifdef linux
-	case 's':
-		if (strcmp(arg,"-static") == 0) {
-			if (!option(arg))
-				fprintf(stderr, "%s: %s ignored\n", progname, arg);
-			return;
-		}
-#endif         
-	}
-	if (arg[2] == 0)
-		switch (arg[1]) {	/* single-character options */
-		case 'S':
-			Sflag++;
-			return;
-		case 'O':
-			fprintf(stderr, "%s: %s ignored\n", progname, arg);
-			return;
-		case 'A': case 'n': case 'w': case 'P':
-			clist = append(arg, clist);
-			return;
-		case 'g': case 'b':
-			if (option(arg))
-				clist = append(arg[1] == 'g' ? "-g2" : arg, clist);
-			else
-				fprintf(stderr, "%s: %s ignored\n", progname, arg);
-			return;
-		case 'G':
-			if (option(arg)) {
-				clist = append("-g3", clist);
-				llist[0] = append("-N", llist[0]);
-			} else
-				fprintf(stderr, "%s: %s ignored\n", progname, arg);
-			return;
-		case 'E':
-			Eflag++;
-			return;
-		case 'c':
-			cflag++;
-			return;
-		case 'N':
-			if (strcmp(basepath(cpp[0]), "gcc-cpp") == 0)
-				plist = append("-nostdinc", plist);
-			include[0] = 0;
-			ilist = 0;
-			return;
-		case 'v':
-			if (verbose++ == 0) {
-				if (strcmp(basepath(cpp[0]), "gcc-cpp") == 0)
-					plist = append(arg, plist);
-				clist = append(arg, clist);
-				fprintf(stderr, "%s %s\n", progname, rcsid);
-			}
-			return;
-		}
-	if (cflag || Sflag || Eflag)
-		fprintf(stderr, "%s: %s ignored\n", progname, arg);
-	else
-		llist[1] = append(arg, llist[1]);
-}
-
-/* path2list - convert a colon- or semicolon-separated list to a list */
-static List path2list(const char *path) {
-	List list = NULL;
-	char sep = ':';
-
-	if (path == NULL)
-		return NULL;
-	if (strchr(path, ';'))
-		sep = ';';
-	while (*path) {
-		char *p, buf[512];
-		if (p = strchr(path, sep)) {
-			assert(p - path < sizeof buf);
-			strncpy(buf, path, p - path);
-			buf[p-path] = '\0';
-		} else {
-			assert(strlen(path) < sizeof buf);
-			strcpy(buf, path);
-		}
-		if (!find(buf, list))
-			list = append(strsave(buf), list);
-		if (p == 0)
-			break;
-		path = p + 1;
-	}
-	return list;
-}
-
-/* replace - copy str, then replace occurrences of from with to, return the copy */
-char *replace(const char *str, int from, int to) {
-	char *s = strsave(str), *p = s;
-
-	for ( ; (p = strchr(p, from)) != NULL; p++)
-		*p = to;
-	return s;
-}
-
-/* rm - remove files in list */
-static void rm(List list) {
-	if (list) {
-		List b = list;
-		if (verbose)
-			fprintf(stderr, "rm");
-		do {
-			if (verbose)
-				fprintf(stderr, " %s", b->str);
-			if (verbose < 2)
-				remove(b->str);
-		} while ((b = b->link) != list);
-		if (verbose)
-			fprintf(stderr, "\n");
-	}
-}
-
-/* strsave - return a saved copy of string str */
-char *strsave(const char *str) {
-	return strcpy(alloc(strlen(str)+1), str);
-}
-
-/* stringf - format and return a string */
-char *stringf(const char *fmt, ...) {
-	char buf[1024];
-	va_list ap;
-	int n;
-
-	va_start(ap, fmt);
-	n = vsprintf(buf, fmt, ap);
-	va_end(ap);
-	return strsave(buf);
-}
-
-/* suffix - if one of tails[0..n-1] holds a proper suffix of name, return its index */
-int suffix(char *name, char *tails[], int n) {
-	int i, len = strlen(name);
-
-	for (i = 0; i < n; i++) {
-		char *s = tails[i], *t;
-		for ( ; t = strchr(s, ';'); s = t + 1) {
-			int m = t - s;
-			if (len > m && strncmp(&name[len-m], s, m) == 0)
-				return i;
-		}
-		if (*s) {
-			int m = strlen(s);
-			if (len > m && strncmp(&name[len-m], s, m) == 0)
-				return i;
-		}
-	}
-	return -1;
-}
-
-/* tempname - generate a temporary file name in tempdir with given suffix */
-char *tempname(char *suffix) {
-	static int n;
-	char *name = stringf("%s/lcc%d%d%s", tempdir, getpid(), n++, suffix);
-
-	if (strstr(com[1], "win32") != NULL)
-		name = replace(name, '/', '\\');
-	rmlist = append(name, rmlist);
-	return name;
-}
+/*
+ * lcc [ option ]... [ file | -llib ]...
+ * front end for the ANSI C compiler
+ */
+static char rcsid[] = "Id: dummy rcsid";
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <ctype.h>
+#include <signal.h>
+
+#ifndef TEMPDIR
+#define TEMPDIR "/tmp"
+#endif
+
+typedef struct list *List;
+struct list {		/* circular list nodes: */
+	char *str;		/* option or file name */
+	List link;		/* next list element */
+};
+
+static void *alloc(int);
+static List append(char *,List);
+extern char *basepath(char *);
+static int callsys(char *[]);
+extern char *concat(char *, char *);
+static int compile(char *, char *);
+static void compose(char *[], List, List, List);
+static void error(char *, char *);
+static char *exists(char *);
+static char *first(char *);
+static int filename(char *, char *);
+static List find(char *, List);
+static void help(void);
+static void initinputs(void);
+static void interrupt(int);
+static void opt(char *);
+static List path2list(const char *);
+extern int main(int, char *[]);
+extern char *replace(const char *, int, int);
+static void rm(List);
+extern char *strsave(const char *);
+extern char *stringf(const char *, ...);
+extern int suffix(char *, char *[], int);
+extern char *tempname(char *);
+
+extern int access(char *, int);
+extern int getpid(void);
+
+extern char *cpp[], *include[], *com[], *as[],*ld[], inputs[], *suffixes[];
+extern int option(char *);
+
+static int errcnt;		/* number of errors */
+static int Eflag;		/* -E specified */
+static int Sflag;		/* -S specified */
+static int cflag;		/* -c specified */
+static int verbose;		/* incremented for each -v */
+static List llist[2];		/* loader files, flags */
+static List alist;		/* assembler flags */
+static List clist;		/* compiler flags */
+static List plist;		/* preprocessor flags */
+static List ilist;		/* list of additional includes from LCCINPUTS */
+static List rmlist;		/* list of files to remove */
+static char *outfile;		/* ld output file or -[cS] object file */
+static int ac;			/* argument count */
+static char **av;		/* argument vector */
+char *tempdir = TEMPDIR;	/* directory for temporary files */
+static char *progname;
+static List lccinputs;		/* list of input directories */
+
+main(int argc, char *argv[]) {
+	int i, j, nf;
+	
+	progname = argv[0];
+	ac = argc + 50;
+	av = alloc(ac*sizeof(char *));
+	if (signal(SIGINT, SIG_IGN) != SIG_IGN)
+		signal(SIGINT, interrupt);
+	if (signal(SIGTERM, SIG_IGN) != SIG_IGN)
+		signal(SIGTERM, interrupt);
+#ifdef SIGHUP
+	if (signal(SIGHUP, SIG_IGN) != SIG_IGN)
+		signal(SIGHUP, interrupt);
+#endif
+	if (getenv("TMP"))
+		tempdir = getenv("TMP");
+	else if (getenv("TEMP"))
+		tempdir = getenv("TEMP");
+	else if (getenv("TMPDIR"))
+		tempdir = getenv("TMPDIR");
+	assert(tempdir);
+	i = strlen(tempdir);
+	for (; i > 0 && tempdir[i-1] == '/' || tempdir[i-1] == '\\'; i--)
+		tempdir[i-1] = '\0';
+	if (argc <= 1) {
+		help();
+		exit(0);
+	}
+	plist = append("-D__LCC__", 0);
+	initinputs();
+	if (getenv("LCCDIR"))
+		option(stringf("-lccdir=%s", getenv("LCCDIR")));
+	for (nf = 0, i = j = 1; i < argc; i++) {
+		if (strcmp(argv[i], "-o") == 0) {
+			if (++i < argc) {
+				if (suffix(argv[i], suffixes, 2) >= 0) {
+					error("-o would overwrite %s", argv[i]);
+					exit(8);
+				}
+				outfile = argv[i];
+				continue;
+			} else {
+				error("unrecognized option `%s'", argv[i-1]);
+				exit(8);
+			}
+		} else if (strcmp(argv[i], "-target") == 0) {
+			if (argv[i+1] && *argv[i+1] != '-')
+				i++;
+			continue;
+		} else if (*argv[i] == '-' && argv[i][1] != 'l') {
+			opt(argv[i]);
+			continue;
+		} else if (*argv[i] != '-' && suffix(argv[i], suffixes, 3) >= 0)
+			nf++;
+		argv[j++] = argv[i];
+	}
+	if ((cflag || Sflag) && outfile && nf != 1) {
+		fprintf(stderr, "%s: -o %s ignored\n", progname, outfile);
+		outfile = 0;
+	}
+	argv[j] = 0;
+	for (i = 0; include[i]; i++)
+		plist = append(include[i], plist);
+	if (ilist) {
+		List b = ilist;
+		do {
+			b = b->link;
+			plist = append(b->str, plist);
+		} while (b != ilist);
+	}
+	ilist = 0;
+	for (i = 1; argv[i]; i++)
+		if (*argv[i] == '-')
+			opt(argv[i]);
+		else {
+			char *name = exists(argv[i]);
+			if (name) {
+				if (strcmp(name, argv[i]) != 0
+				|| nf > 1 && suffix(name, suffixes, 3) >= 0)
+					fprintf(stderr, "%s:\n", name);
+				filename(name, 0);
+			} else
+				error("can't find `%s'", argv[i]);
+		}
+	if (errcnt == 0 && !Eflag && !Sflag && !cflag && llist[1]) {
+		compose(ld, llist[0], llist[1],
+			append(outfile ? outfile : concat("a", first(suffixes[4])), 0));
+		if (callsys(av))
+			errcnt++;
+	}
+	rm(rmlist);	
+	return errcnt ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+/* alloc - allocate n bytes or die */
+static void *alloc(int n) {
+	static char *avail, *limit;
+	
+	n = (n + sizeof(char *) - 1)&~(sizeof(char *) - 1);
+	if (n >= limit - avail) {
+		avail = malloc(n + 4*1024);
+		assert(avail);
+		limit = avail + n + 4*1024;
+	}
+	avail += n;
+	return avail - n;
+}
+
+/* append - append a node with string str onto list, return new list */	
+static List append(char *str, List list) {
+	List p = alloc(sizeof *p);
+
+	p->str = str;
+	if (list) {
+		p->link = list->link;
+		list->link = p;
+	} else
+		p->link = p;
+	return p;
+}
+
+/* basepath - return base name for name, e.g. /usr/drh/foo.c => foo */
+char *basepath(char *name) {
+	char *s, *b, *t = 0;
+
+	for (b = s = name; *s; s++)
+		if (*s == '/' || *s == '\\') {
+			b = s + 1;
+			t = 0;
+		} else if (*s == '.')
+			t = s;
+	s = strsave(b);
+	if (t)
+		s[t-b] = 0;
+	return s;
+}
+
+#ifdef WIN32
+#include <process.h>
+#else
+#define _P_WAIT 0
+extern int fork(void);
+extern int wait(int *);
+extern void execv(const char *, char *[]);
+
+static int _spawnvp(int mode, const char *cmdname, char *argv[]) {
+	int pid, n, status;
+
+	switch (pid = fork()) {
+	case -1:
+		fprintf(stderr, "%s: no more processes\n", progname);
+		return 100;
+	case 0:
+		// TTimo removing hardcoded paths, searching in $PATH
+		execvp(cmdname, argv);
+		fprintf(stderr, "%s: ", progname);
+		perror(cmdname);
+		fflush(stdout);
+		exit(100);
+	}
+	while ((n = wait(&status)) != pid && n != -1)
+		;
+	if (n == -1)
+		status = -1;
+	if (status&0377) {
+		fprintf(stderr, "%s: fatal error in %s\n", progname, cmdname);
+		status |= 0400;
+	}
+	return (status>>8)&0377;
+}
+#endif
+
+/* callsys - execute the command described by av[0...], return status */
+static int callsys(char **av) {
+	int i, status = 0;
+	static char **argv;
+	static int argc;
+
+	for (i = 0; av[i] != NULL; i++)
+		;
+	if (i + 1 > argc) {
+		argc = i + 1;
+		if (argv == NULL)
+			argv = malloc(argc*sizeof *argv);
+		else
+			argv = realloc(argv, argc*sizeof *argv);
+		assert(argv);
+	}
+	for (i = 0; status == 0 && av[i] != NULL; ) {
+		int j = 0;
+		char *s;
+		for ( ; av[i] != NULL && (s = strchr(av[i], '\n')) == NULL; i++)
+			argv[j++] = av[i];
+		if (s != NULL) {
+			if (s > av[i])
+				argv[j++] = stringf("%.*s", s - av[i], av[i]);
+			if (s[1] != '\0')
+				av[i] = s + 1;
+			else
+				i++;
+		}
+		argv[j] = NULL;
+		if (verbose > 0) {
+			int k;
+			fprintf(stderr, "%s", argv[0]);
+			for (k = 1; argv[k] != NULL; k++)
+				fprintf(stderr, " %s", argv[k]);
+			fprintf(stderr, "\n");
+		}
+		if (verbose < 2)
+			status = _spawnvp(_P_WAIT, argv[0], argv);
+		if (status == -1) {
+			fprintf(stderr, "%s: ", progname);
+			perror(argv[0]);
+		}
+	}
+	return status;
+}
+
+/* concat - return concatenation of strings s1 and s2 */
+char *concat(char *s1, char *s2) {
+	int n = strlen(s1);
+	char *s = alloc(n + strlen(s2) + 1);
+
+	strcpy(s, s1);
+	strcpy(s + n, s2);
+	return s;
+}
+
+/* compile - compile src into dst, return status */
+static int compile(char *src, char *dst) {
+	compose(com, clist, append(src, 0), append(dst, 0));
+	return callsys(av);
+}
+
+/* compose - compose cmd into av substituting a, b, c for $1, $2, $3, resp. */
+static void compose(char *cmd[], List a, List b, List c) {
+	int i, j;
+	List lists[3];
+
+	lists[0] = a;
+	lists[1] = b;
+	lists[2] = c;
+	for (i = j = 0; cmd[i]; i++) {
+		char *s = strchr(cmd[i], '$');
+		if (s && isdigit(s[1])) {
+			int k = s[1] - '0';
+			assert(k >=1 && k <= 3);
+			if (b = lists[k-1]) {
+				b = b->link;
+				av[j] = alloc(strlen(cmd[i]) + strlen(b->str) - 1);
+				strncpy(av[j], cmd[i], s - cmd[i]);
+				av[j][s-cmd[i]] = '\0';
+				strcat(av[j], b->str);
+				strcat(av[j++], s + 2);
+				while (b != lists[k-1]) {
+					b = b->link;
+					assert(j < ac);
+					av[j++] = b->str;
+				};
+			}
+		} else if (*cmd[i]) {
+			assert(j < ac);
+			av[j++] = cmd[i];
+		}
+	}
+	av[j] = NULL;
+}
+
+/* error - issue error msg according to fmt, bump error count */
+static void error(char *fmt, char *msg) {
+	fprintf(stderr, "%s: ", progname);
+	fprintf(stderr, fmt, msg);
+	fprintf(stderr, "\n");
+	errcnt++;
+}
+
+/* exists - if `name' readable return its path name or return null */
+static char *exists(char *name) {
+	List b;
+
+	if ( (name[0] == '/' || name[0] == '\\' || name[2] == ':')
+	&& access(name, 4) == 0)
+		return name;
+	if (!(name[0] == '/' || name[0] == '\\' || name[2] == ':')
+	&& (b = lccinputs))		
+		do {
+			b = b->link;
+			if (b->str[0]) {
+				char buf[1024];
+				sprintf(buf, "%s/%s", b->str, name);
+				if (access(buf, 4) == 0)
+					return strsave(buf);
+			} else if (access(name, 4) == 0)
+				return name;
+		} while (b != lccinputs);
+	if (verbose > 1)
+		return name;
+	return 0;
+}
+
+/* first - return first component in semicolon separated list */
+static char *first(char *list) {
+	char *s = strchr(list, ';');
+
+	if (s) {
+		char buf[1024];
+		strncpy(buf, list, s-list);
+		buf[s-list] = '\0';
+		return strsave(buf);
+	} else
+		return list;
+}
+
+/* filename - process file name argument `name', return status */
+static int filename(char *name, char *base) {
+	int status = 0;
+	static char *stemp, *itemp;
+
+	if (base == 0)
+		base = basepath(name);
+	switch (suffix(name, suffixes, 4)) {
+	case 0:	/* C source files */
+		compose(cpp, plist, append(name, 0), 0);
+		if (Eflag) {
+			status = callsys(av);
+			break;
+		}
+		if (itemp == NULL)
+			itemp = tempname(first(suffixes[1]));
+		compose(cpp, plist, append(name, 0), append(itemp, 0));
+		status = callsys(av);
+		if (status == 0)
+			return filename(itemp, base);
+		break;
+	case 1:	/* preprocessed source files */
+		if (Eflag)
+			break;
+		if (Sflag)
+			status = compile(name, outfile ? outfile : concat(base, first(suffixes[2])));
+		else if ((status = compile(name, stemp?stemp:(stemp=tempname(first(suffixes[2]))))) == 0)
+			return filename(stemp, base);
+		break;
+	case 2:	/* assembly language files */
+		if (Eflag)
+			break;
+		if (!Sflag) {
+			char *ofile;
+			if (cflag && outfile)
+				ofile = outfile;
+			else if (cflag)
+				ofile = concat(base, first(suffixes[3]));
+			else
+				ofile = tempname(first(suffixes[3]));
+			compose(as, alist, append(name, 0), append(ofile, 0));
+			status = callsys(av);
+			if (!find(ofile, llist[1]))
+				llist[1] = append(ofile, llist[1]);
+		}
+		break;
+	case 3:	/* object files */
+		if (!find(name, llist[1]))
+			llist[1] = append(name, llist[1]);
+		break;
+	default:
+		if (Eflag) {
+			compose(cpp, plist, append(name, 0), 0);
+			status = callsys(av);
+		}
+		llist[1] = append(name, llist[1]);
+		break;
+	}
+	if (status)
+		errcnt++;
+	return status;
+}
+
+/* find - find 1st occurrence of str in list, return list node or 0 */
+static List find(char *str, List list) {
+	List b;
+	
+	if (b = list)
+		do {
+			if (strcmp(str, b->str) == 0)
+				return b;
+		} while ((b = b->link) != list);
+	return 0;
+}
+
+/* help - print help message */
+static void help(void) {
+	static char *msgs[] = {
+"", " [ option | file ]...\n",
+"	except for -l, options are processed left-to-right before files\n",
+"	unrecognized options are taken to be linker options\n",
+"-A	warn about nonANSI usage; 2nd -A warns more\n",
+"-b	emit expression-level profiling code; see bprint(1)\n",
+#ifdef sparc
+"-Bstatic -Bdynamic	specify static or dynamic libraries\n",
+#endif
+"-Bdir/	use the compiler named `dir/rcc'\n",
+"-c	compile only\n",
+"-dn	set switch statement density to `n'\n",
+"-Dname -Dname=def	define the preprocessor symbol `name'\n",
+"-E	run only the preprocessor on the named C programs and unsuffixed files\n",
+"-g	produce symbol table information for debuggers\n",
+"-help or -?	print this message\n",
+"-Idir	add `dir' to the beginning of the list of #include directories\n",	
+"-lx	search library `x'\n",
+"-N	do not search the standard directories for #include files\n",
+"-n	emit code to check for dereferencing zero pointers\n",
+"-O	is ignored\n",
+"-o file	leave the output in `file'\n",
+"-P	print ANSI-style declarations for globals\n",
+"-p -pg	emit profiling code; see prof(1) and gprof(1)\n",
+"-S	compile to assembly language\n",
+#ifdef linux
+"-static	specify static libraries (default is dynamic)\n",
+#endif
+"-t -tname	emit function tracing calls to printf or to `name'\n",
+"-target name	is ignored\n",
+"-tempdir=dir	place temporary files in `dir/'", "\n"
+"-Uname	undefine the preprocessor symbol `name'\n",
+"-v	show commands as they are executed; 2nd -v suppresses execution\n",
+"-w	suppress warnings\n",
+"-Woarg	specify system-specific `arg'\n",
+"-W[pfal]arg	pass `arg' to the preprocessor, compiler, assembler, or linker\n",
+	0 };
+	int i;
+	char *s;
+
+	msgs[0] = progname;
+	for (i = 0; msgs[i]; i++) {
+		fprintf(stderr, "%s", msgs[i]);
+		if (strncmp("-tempdir", msgs[i], 8) == 0 && tempdir)
+			fprintf(stderr, "; default=%s", tempdir);
+	}
+#define xx(v) if (s = getenv(#v)) fprintf(stderr, #v "=%s\n", s)
+	xx(LCCINPUTS);
+	xx(LCCDIR);
+#ifdef WIN32
+	xx(include);
+	xx(lib);
+#endif
+#undef xx
+}
+
+/* initinputs - if LCCINPUTS or include is defined, use them to initialize various lists */
+static void initinputs(void) {
+	char *s = getenv("LCCINPUTS");
+	List list, b;
+
+	if (s == 0 || (s = inputs)[0] == 0)
+		s = ".";
+	if (s) {
+		lccinputs = path2list(s);
+		if (b = lccinputs)
+			do {
+				b = b->link;
+				if (strcmp(b->str, ".") != 0) {
+					ilist = append(concat("-I", b->str), ilist);
+					if (strstr(com[1], "win32") == NULL)
+						llist[0] = append(concat("-L", b->str), llist[0]);
+				} else
+					b->str = "";
+			} while (b != lccinputs);
+	}
+#ifdef WIN32
+	if (list = b = path2list(getenv("include")))
+		do {
+			b = b->link;
+			ilist = append(stringf("-I\"%s\"", b->str), ilist);
+		} while (b != list);
+#endif
+}
+
+/* interrupt - catch interrupt signals */
+static void interrupt(int n) {
+	rm(rmlist);
+	exit(n = 100);
+}
+
+/* opt - process option in arg */
+static void opt(char *arg) {
+	switch (arg[1]) {	/* multi-character options */
+	case 'W':	/* -Wxarg */
+		if (arg[2] && arg[3])
+			switch (arg[2]) {
+			case 'o':
+				if (option(&arg[3]))
+					return;
+				break;
+			case 'p':
+				plist = append(&arg[3], plist);
+				return;
+			case 'f':
+				if (strcmp(&arg[3], "-C") || option("-b")) {
+					clist = append(&arg[3], clist);
+					return;
+				}
+				break; /* and fall thru */
+			case 'a':
+				alist = append(&arg[3], alist);
+				return;
+			case 'l':
+				llist[0] = append(&arg[3], llist[0]);
+				return;
+			}
+		fprintf(stderr, "%s: %s ignored\n", progname, arg);
+		return;
+	case 'd':	/* -dn */
+		arg[1] = 's';
+		clist = append(arg, clist);
+		return;
+	case 't':	/* -t -tname -tempdir=dir */
+		if (strncmp(arg, "-tempdir=", 9) == 0)
+			tempdir = arg + 9;
+		else
+			clist = append(arg, clist);
+		return;
+	case 'p':	/* -p -pg */
+		if (option(arg))
+			clist = append(arg, clist);
+		else
+			fprintf(stderr, "%s: %s ignored\n", progname, arg);
+		return;
+	case 'D':	/* -Dname -Dname=def */
+	case 'U':	/* -Uname */
+	case 'I':	/* -Idir */
+		plist = append(arg, plist);
+		return;
+	case 'B':	/* -Bdir -Bstatic -Bdynamic */
+#ifdef sparc
+		if (strcmp(arg, "-Bstatic") == 0 || strcmp(arg, "-Bdynamic") == 0)
+			llist[1] = append(arg, llist[1]);
+		else
+#endif	
+		{
+		static char *path;
+		if (path)
+			error("-B overwrites earlier option", 0);
+		path = arg + 2;
+		if (strstr(com[1], "win32") != NULL)
+			com[0] = concat(replace(path, '/', '\\'), concat("rcc", first(suffixes[4])));
+		else
+			com[0] = concat(path, "rcc");
+		if (path[0] == 0)
+			error("missing directory in -B option", 0);
+		}
+		return;
+	case 'h':
+		if (strcmp(arg, "-help") == 0) {
+			static int printed = 0;
+	case '?':
+			if (!printed)
+				help();
+			printed = 1;
+			return;
+		}
+#ifdef linux
+	case 's':
+		if (strcmp(arg,"-static") == 0) {
+			if (!option(arg))
+				fprintf(stderr, "%s: %s ignored\n", progname, arg);
+			return;
+		}
+#endif         
+	}
+	if (arg[2] == 0)
+		switch (arg[1]) {	/* single-character options */
+		case 'S':
+			Sflag++;
+			return;
+		case 'O':
+			fprintf(stderr, "%s: %s ignored\n", progname, arg);
+			return;
+		case 'A': case 'n': case 'w': case 'P':
+			clist = append(arg, clist);
+			return;
+		case 'g': case 'b':
+			if (option(arg))
+				clist = append(arg[1] == 'g' ? "-g2" : arg, clist);
+			else
+				fprintf(stderr, "%s: %s ignored\n", progname, arg);
+			return;
+		case 'G':
+			if (option(arg)) {
+				clist = append("-g3", clist);
+				llist[0] = append("-N", llist[0]);
+			} else
+				fprintf(stderr, "%s: %s ignored\n", progname, arg);
+			return;
+		case 'E':
+			Eflag++;
+			return;
+		case 'c':
+			cflag++;
+			return;
+		case 'N':
+			if (strcmp(basepath(cpp[0]), "gcc-cpp") == 0)
+				plist = append("-nostdinc", plist);
+			include[0] = 0;
+			ilist = 0;
+			return;
+		case 'v':
+			if (verbose++ == 0) {
+				if (strcmp(basepath(cpp[0]), "gcc-cpp") == 0)
+					plist = append(arg, plist);
+				clist = append(arg, clist);
+				fprintf(stderr, "%s %s\n", progname, rcsid);
+			}
+			return;
+		}
+	if (cflag || Sflag || Eflag)
+		fprintf(stderr, "%s: %s ignored\n", progname, arg);
+	else
+		llist[1] = append(arg, llist[1]);
+}
+
+/* path2list - convert a colon- or semicolon-separated list to a list */
+static List path2list(const char *path) {
+	List list = NULL;
+	char sep = ':';
+
+	if (path == NULL)
+		return NULL;
+	if (strchr(path, ';'))
+		sep = ';';
+	while (*path) {
+		char *p, buf[512];
+		if (p = strchr(path, sep)) {
+			assert(p - path < sizeof buf);
+			strncpy(buf, path, p - path);
+			buf[p-path] = '\0';
+		} else {
+			assert(strlen(path) < sizeof buf);
+			strcpy(buf, path);
+		}
+		if (!find(buf, list))
+			list = append(strsave(buf), list);
+		if (p == 0)
+			break;
+		path = p + 1;
+	}
+	return list;
+}
+
+/* replace - copy str, then replace occurrences of from with to, return the copy */
+char *replace(const char *str, int from, int to) {
+	char *s = strsave(str), *p = s;
+
+	for ( ; (p = strchr(p, from)) != NULL; p++)
+		*p = to;
+	return s;
+}
+
+/* rm - remove files in list */
+static void rm(List list) {
+	if (list) {
+		List b = list;
+		if (verbose)
+			fprintf(stderr, "rm");
+		do {
+			if (verbose)
+				fprintf(stderr, " %s", b->str);
+			if (verbose < 2)
+				remove(b->str);
+		} while ((b = b->link) != list);
+		if (verbose)
+			fprintf(stderr, "\n");
+	}
+}
+
+/* strsave - return a saved copy of string str */
+char *strsave(const char *str) {
+	return strcpy(alloc(strlen(str)+1), str);
+}
+
+/* stringf - format and return a string */
+char *stringf(const char *fmt, ...) {
+	char buf[1024];
+	va_list ap;
+	int n;
+
+	va_start(ap, fmt);
+	n = vsprintf(buf, fmt, ap);
+	va_end(ap);
+	return strsave(buf);
+}
+
+/* suffix - if one of tails[0..n-1] holds a proper suffix of name, return its index */
+int suffix(char *name, char *tails[], int n) {
+	int i, len = strlen(name);
+
+	for (i = 0; i < n; i++) {
+		char *s = tails[i], *t;
+		for ( ; t = strchr(s, ';'); s = t + 1) {
+			int m = t - s;
+			if (len > m && strncmp(&name[len-m], s, m) == 0)
+				return i;
+		}
+		if (*s) {
+			int m = strlen(s);
+			if (len > m && strncmp(&name[len-m], s, m) == 0)
+				return i;
+		}
+	}
+	return -1;
+}
+
+/* tempname - generate a temporary file name in tempdir with given suffix */
+char *tempname(char *suffix) {
+	static int n;
+	char *name = stringf("%s/lcc%d%d%s", tempdir, getpid(), n++, suffix);
+
+	if (strstr(com[1], "win32") != NULL)
+		name = replace(name, '/', '\\');
+	rmlist = append(name, rmlist);
+	return name;
+}