90 		    CSC *, char *, char **, size_t *, int *);
91 static int	 get_paths(SCR *, CSC *);
93 static int	 parse(SCR *, CSC *, TAGQ *, int *);
94 static int	 read_prompt(SCR *, CSC *);
95 static int	 run_cscope(SCR *, CSC *, char *);
97 static int	 terminate(SCR *, CSC *, int);
197 	CSC *csc;  in cscope_add()  local
260 	CALLOC_RET(sp, csc, 1, sizeof(CSC) + len);  in cscope_add()
261 	csc->dname = csc->buf;  in cscope_add()
262 	csc->dlen = len;  in cscope_add()
263 	memcpy(csc->dname, np, len);  in cscope_add()
265 	csc->mtim = sb.st_mtimespec;  in cscope_add()
267 	csc->mtim = sb.st_mtim;  in cscope_add()
269 	csc->mtim.tv_sec = sb.st_mtime;  in cscope_add()
270 	csc->mtim.tv_nsec = 0;  in cscope_add()
274 	if (get_paths(sp, csc))  in cscope_add()
278 	if (run_cscope(sp, csc, dbname))  in cscope_add()
283 	 * on error, we have to call terminate, which expects the csc to  in cscope_add()
286 	SLIST_INSERT_HEAD(exp->cscq, csc, q);  in cscope_add()
289 	return read_prompt(sp, csc);  in cscope_add()
291 err:	free(csc);  in cscope_add()
301 get_paths(SCR *sp, CSC *csc)  in get_paths()  argument
320 	if ((buf = join(csc->dname, CSCOPE_PATHS)) == NULL) {  in get_paths()
327 		MALLOC_RET(sp, csc->pbuf, len + 1);  in get_paths()
329 		    read(fd, csc->pbuf, len) != len) {  in get_paths()
338 		csc->pbuf[len] = '\0';  in get_paths()
341 		for (nentries = 0, p = csc->pbuf; *p != '\0'; ++p)  in get_paths()
346 		CALLOC_GOTO(sp, csc->paths, nentries + 1, sizeof(char **));  in get_paths()
347 		for (pathp = csc->paths, p = strtok(csc->pbuf, ":");  in get_paths()
358 	if ((csc->pbuf = strdup(csc->dname)) == NULL) {  in get_paths()
362 	CALLOC_GOTO(sp, csc->paths, 2, sizeof(char *));  in get_paths()
363 	csc->paths[0] = csc->pbuf;  in get_paths()
367 	free(csc->pbuf);  in get_paths()
368 	csc->pbuf = NULL;  in get_paths()
377 run_cscope(SCR *sp, CSC *csc, char *dbname)  in run_cscope()  argument
391 	switch (csc->pid = vfork()) {  in run_cscope()
415 		if ((dn = quote(csc->dname)) == NULL)  in run_cscope()
443 		csc->to_fd = to_cs[1];  in run_cscope()
444 		csc->to_fp = fdopen(to_cs[1], "w");  in run_cscope()
445 		csc->from_fd = from_cs[0];  in run_cscope()
446 		csc->from_fp = fdopen(from_cs[0], "r");  in run_cscope()
459 	CSC *csc, *csc_next;  in cscope_find()  local
515 	/* Copy next connect here in case csc is killed. */  in cscope_find()
516 	SLIST_FOREACH_SAFE(csc, exp->cscq, q, csc_next) {  in cscope_find()
523 		(void)fprintf(csc->to_fp, "%lu%s\n", search, tqp->tag + 2);  in cscope_find()
524 		(void)fflush(csc->to_fp);  in cscope_find()
527 		if (parse(sp, csc, tqp, &matches))  in cscope_find()
671 parse(SCR *sp, CSC *csc, TAGQ *tqp, int *matchesp)  in parse()  argument
682 		if (!fgets(buf, sizeof(buf), csc->from_fp))  in parse()
696 		msgq(sp, M_ERR, "%s: \"%s\"", csc->dname, buf);  in parse()
700 		if (fgets(buf, sizeof(buf), csc->from_fp) == NULL)  in parse()
705 			while ((ch = getc(csc->from_fp)) != EOF && ch != '\n');  in parse()
739 		csc_file(sp, csc, name, &dname, &dlen, &isolder);  in parse()
786 	return read_prompt(sp, csc);  in parse()
788 io_err:	if (feof(csc->from_fp))  in parse()
790 	msgq_str(sp, M_SYSERR, "%s", csc->dname);  in parse()
791 	terminate(sp, csc, 0);  in parse()
800 csc_file(SCR *sp, CSC *csc, char *name, char **dirp, size_t *dlenp, int *isolderp)  in csc_file()  argument
812 	for (pp = csc->paths; *pp != NULL; ++pp) {  in csc_file()
824 			    &sb.st_mtimespec, &csc->mtim, <);  in csc_file()
827 			    &sb.st_mtim, &csc->mtim, <);  in csc_file()
829 			*isolderp = sb.st_mtime < csc->mtim.tv_sec;  in csc_file()
903 terminate(SCR *sp, CSC *csc, int n)  in terminate()  argument
907 	CSC *cp, *pre_cp = NULL;  in terminate()
912 	 * We either get a csc structure or a number.  Locate and remove  in terminate()
915 	if (csc == NULL && n < 1)  in terminate()
919 		if (csc == NULL ? i != n : cp != csc) {  in terminate()
927 		csc = cp;  in terminate()
930 	if (csc == NULL) {  in terminate()
942 	if (csc->from_fp != NULL)  in terminate()
943 		(void)fclose(csc->from_fp);  in terminate()
944 	if (csc->to_fp != NULL)  in terminate()
945 		(void)fclose(csc->to_fp);  in terminate()
947 		(void)kill(csc->pid, SIGTERM);  in terminate()
948 	(void)waitpid(csc->pid, &pstat, 0);  in terminate()
951 	free(csc->pbuf);  in terminate()
952 	free(csc->paths);  in terminate()
953 	free(csc);  in terminate()
994 	CSC *csc;  in cscope_display()  local
1002 	SLIST_FOREACH(csc, exp->cscq, q)  in cscope_display()
1004 		    ++i, csc->dname, (u_long)csc->pid);  in cscope_display()
1081 read_prompt(SCR *sp, CSC *csc)  in read_prompt()  argument
1088 		    getc(csc->from_fp)) != EOF && ch != CSCOPE_PROMPT[0]);  in read_prompt()
1090 			terminate(sp, csc, 0);  in read_prompt()
1093 		if (getc(csc->from_fp) != CSCOPE_PROMPT[1])  in read_prompt()
1095 		if (getc(csc->from_fp) != CSCOPE_PROMPT[2])  in read_prompt()