static void
pg_search(const struct req *req, char *path)
{
size_t tt, ressz;
struct manpaths ps;
int i, sz, rc;
const char *ep, *start;
struct res *res;
char **cp;
struct opts opt;
struct expr *expr;
if (req->q.manroot < 0 || 0 == req->psz) {
resp_search(NULL, 0, (void *)req);
return;
}
memset(&opt, 0, sizeof(struct opts));
ep = req->q.expr;
opt.arch = req->q.arch;
opt.cat = req->q.sec;
rc = -1;
sz = 0;
cp = NULL;
ressz = 0;
res = NULL;
/*
* Begin by chdir()ing into the root of the manpath.
* This way we can pick up the database files, which are
* relative to the manpath root.
*/
assert(req->q.manroot < (int)req->psz);
if (-1 == (chdir(req->p[req->q.manroot].path))) {
perror(req->p[req->q.manroot].path);
resp_search(NULL, 0, (void *)req);
return;
}
memset(&ps, 0, sizeof(struct manpaths));
manpath_manconf(&ps, "etc/catman.conf");
/*
* Poor man's tokenisation: just break apart by spaces.
* Yes, this is half-ass. But it works for now.
*/
while (ep && isspace((unsigned char)*ep))
ep++;
while (ep && '\0' != *ep) {
cp = mandoc_realloc(cp, (sz + 1) * sizeof(char *));
start = ep;
while ('\0' != *ep && ! isspace((unsigned char)*ep))
ep++;
cp[sz] = mandoc_malloc((ep - start) + 1);
memcpy(cp[sz], start, ep - start);
cp[sz++][ep - start] = '\0';
while (isspace((unsigned char)*ep))
ep++;
}
/*
* Pump down into apropos backend.
* The resp_search() function is called with the results.
*/
expr = req->q.legacy ?
termcomp(sz, cp, &tt) : exprcomp(sz, cp, &tt);
if (NULL != expr)
rc = apropos_search
(ps.sz, ps.paths, &opt, expr, tt,
(void *)req, &ressz, &res, resp_search);
/* ...unless errors occured. */
if (0 == rc)
resp_baddb();
else if (-1 == rc)
resp_search(NULL, 0, NULL);
for (i = 0; i < sz; i++)
free(cp[i]);
free(cp);
resfree(res, ressz);
exprfree(expr);
manpath_free(&ps);
}
int
main(int argc, char *argv[])
{
int ch, rc, whatis;
struct manpaths paths;
size_t terms;
struct opts opts;
struct expr *e;
char *defpaths, *auxpaths;
char *conf_file;
extern int optind;
extern char *optarg;
progname = strrchr(argv[0], '/');
if (progname == NULL)
progname = argv[0];
else
++progname;
whatis = 0 == strncmp(progname, "whatis", 6);
memset(&paths, 0, sizeof(struct manpaths));
memset(&opts, 0, sizeof(struct opts));
auxpaths = defpaths = NULL;
conf_file = NULL;
e = NULL;
while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
switch (ch) {
case ('C'):
conf_file = optarg;
break;
case ('M'):
defpaths = optarg;
break;
case ('m'):
auxpaths = optarg;
break;
case ('S'):
opts.arch = optarg;
break;
case ('s'):
opts.cat = optarg;
break;
default:
usage();
return(EXIT_FAILURE);
}
argc -= optind;
argv += optind;
if (0 == argc)
return(EXIT_SUCCESS);
rc = 0;
manpath_parse(&paths, conf_file, defpaths, auxpaths);
e = whatis ? termcomp(argc, argv, &terms) :
exprcomp(argc, argv, &terms);
if (NULL == e) {
fprintf(stderr, "%s: Bad expression\n", progname);
goto out;
}
rc = apropos_search
(paths.sz, paths.paths,
&opts, e, terms, NULL, list);
if (0 == rc)
fprintf(stderr, "%s: Error reading "
"manual database\n", progname);
out:
manpath_free(&paths);
exprfree(e);
return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
}
int
apropos(int argc, char *argv[])
{
int ch, rc, whatis;
struct res *res;
struct manpaths paths;
size_t terms, ressz;
struct opts opts;
struct expr *e;
char *defpaths, *auxpaths;
char *conf_file;
extern char *optarg;
extern int optind;
progname = strrchr(argv[0], '/');
if (progname == NULL)
progname = argv[0];
else
++progname;
whatis = (0 == strncmp(progname, "whatis", 6));
memset(&paths, 0, sizeof(struct manpaths));
memset(&opts, 0, sizeof(struct opts));
ressz = 0;
res = NULL;
auxpaths = defpaths = NULL;
conf_file = NULL;
e = NULL;
while (-1 != (ch = getopt(argc, argv, "C:M:m:S:s:")))
switch (ch) {
case ('C'):
conf_file = optarg;
break;
case ('M'):
defpaths = optarg;
break;
case ('m'):
auxpaths = optarg;
break;
case ('S'):
opts.arch = optarg;
break;
case ('s'):
opts.cat = optarg;
break;
default:
goto usage;
}
argc -= optind;
argv += optind;
if (0 == argc)
goto usage;
rc = 0;
manpath_parse(&paths, conf_file, defpaths, auxpaths);
e = whatis ? termcomp(argc, argv, &terms) :
exprcomp(argc, argv, &terms);
if (NULL == e) {
fprintf(stderr, "%s: Bad expression\n", progname);
goto out;
}
rc = apropos_search
(paths.sz, paths.paths, &opts,
e, terms, NULL, &ressz, &res, list);
if (0 == rc) {
fprintf(stderr, "%s: Bad database\n", progname);
goto out;
}
out:
manpath_free(&paths);
resfree(res, ressz);
exprfree(e);
return(rc ? EXIT_SUCCESS : EXIT_FAILURE);
usage:
fprintf(stderr, "usage: %s [-C file] [-M path] [-m path] "
"[-S arch] [-s section]%s ...\n", progname,
whatis ? " name" : "\n expression");
return(EXIT_FAILURE);
}