-/* $Id: mansearch.c,v 1.53 2015/01/20 18:21:18 schwarze Exp $ */
+/* $Id: mansearch.c,v 1.57 2015/04/01 12:48:33 schwarze Exp $ */
/*
* Copyright (c) 2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2013, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org>
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
#include <errno.h>
#include <fcntl.h>
#include <getopt.h>
+#include <glob.h>
#include <limits.h>
#include <regex.h>
#include <stdio.h>
#include "mandoc.h"
#include "mandoc_aux.h"
-#include "manpath.h"
+#include "manconf.h"
#include "mansearch.h"
extern int mansearch_keymax;
int argc, char *argv[],
struct manpage **res, size_t *sz)
{
- int fd, rc, c, indexbit;
int64_t pageid;
uint64_t outbit, iterbit;
char buf[PATH_MAX];
struct ohash htab;
unsigned int idx;
size_t i, j, cur, maxres;
+ int c, chdir_status, getcwd_status, indexbit;
+
+ if (argc == 0 || (e = exprcomp(search, argc, argv)) == NULL) {
+ *sz = 0;
+ return(0);
+ }
info.calloc = hash_calloc;
info.alloc = hash_alloc;
info.free = hash_free;
info.key_offset = offsetof(struct match, pageid);
- *sz = cur = maxres = 0;
- sql = NULL;
+ cur = maxres = 0;
*res = NULL;
- fd = -1;
- e = NULL;
- rc = 0;
-
- if (0 == argc)
- goto out;
- if (NULL == (e = exprcomp(search, argc, argv)))
- goto out;
- outbit = 0;
if (NULL != search->outkey) {
+ outbit = TYPE_Nd;
for (indexbit = 0, iterbit = 1;
indexbit < mansearch_keymax;
indexbit++, iterbit <<= 1) {
break;
}
}
- }
+ } else
+ outbit = 0;
/*
- * Save a descriptor to the current working directory.
- * Since pathnames in the "paths" variable might be relative,
- * and we'll be chdir()ing into them, we need to keep a handle
- * on our current directory from which to start the chdir().
+ * Remember the original working directory, if possible.
+ * This will be needed if the second or a later directory
+ * is given as a relative path.
+ * Do not error out if the current directory is not
+ * searchable: Maybe it won't be needed after all.
*/
- if (NULL == getcwd(buf, PATH_MAX)) {
- perror("getcwd");
- goto out;
- } else if (-1 == (fd = open(buf, O_RDONLY, 0))) {
- perror(buf);
- goto out;
- }
+ if (getcwd(buf, PATH_MAX) == NULL) {
+ getcwd_status = 0;
+ (void)strlcpy(buf, strerror(errno), sizeof(buf));
+ } else
+ getcwd_status = 1;
sql = sql_statement(e);
* scan it for our match expression.
*/
+ chdir_status = 0;
for (i = 0; i < paths->sz; i++) {
- if (-1 == fchdir(fd)) {
- perror(buf);
- free(*res);
- break;
- } else if (-1 == chdir(paths->paths[i])) {
+ if (chdir_status && paths->paths[i][0] != '/') {
+ if ( ! getcwd_status) {
+ fprintf(stderr, "%s: getcwd: %s\n",
+ paths->paths[i], buf);
+ continue;
+ } else if (chdir(buf) == -1) {
+ perror(buf);
+ continue;
+ }
+ }
+ if (chdir(paths->paths[i]) == -1) {
perror(paths->paths[i]);
continue;
}
+ chdir_status = 1;
c = sqlite3_open_v2(MANDOC_DB, &db,
SQLITE_OPEN_READONLY, NULL);
break;
}
qsort(*res, cur, sizeof(struct manpage), manpage_compare);
- rc = 1;
-out:
- if (-1 != fd) {
- if (-1 == fchdir(fd))
- perror(buf);
- close(fd);
- }
+ if (chdir_status && getcwd_status && chdir(buf) == -1)
+ perror(buf);
exprfree(e);
free(sql);
*sz = cur;
- return(rc);
+ return(1);
}
void
sqlite3 *db, sqlite3_stmt *s,
uint64_t pageid, const char *path, int form)
{
- char *newnames, *prevsec, *prevarch;
+ glob_t globinfo;
+ char *firstname, *newnames, *prevsec, *prevarch;
const char *oldnames, *sep1, *name, *sec, *sep2, *arch, *fsec;
size_t i;
- int c;
+ int c, globres;
mpage->file = NULL;
mpage->names = NULL;
- prevsec = prevarch = NULL;
+ firstname = prevsec = prevarch = NULL;
i = 1;
SQL_BIND_INT64(db, s, i, pageid);
while (SQLITE_ROW == (c = sqlite3_step(s))) {
sep2 = *arch == '\0' ? "" : "/";
mandoc_asprintf(&mpage->file, "%s/%s%s%s%s/%s.%s",
path, sep1, sec, sep2, arch, name, fsec);
+ if (access(mpage->file, R_OK) != -1)
+ continue;
+
+ /* Handle unusual file name extensions. */
+
+ if (firstname == NULL)
+ firstname = mpage->file;
+ else
+ free(mpage->file);
+ mandoc_asprintf(&mpage->file, "%s/%s%s%s%s/%s.*",
+ path, sep1, sec, sep2, arch, name);
+ globres = glob(mpage->file, 0, NULL, &globinfo);
+ free(mpage->file);
+ mpage->file = globres ? NULL :
+ mandoc_strdup(*globinfo.gl_pathv);
+ globfree(&globinfo);
}
if (c != SQLITE_DONE)
fprintf(stderr, "%s\n", sqlite3_errmsg(db));
sqlite3_reset(s);
+ /* If none of the files is usable, use the first name. */
+
+ if (mpage->file == NULL)
+ mpage->file = firstname;
+ else if (mpage->file != firstname)
+ free(firstname);
+
/* Append one final section to the names. */
if (prevsec != NULL) {