/*
* _citrus_esdb_open:
* open an ESDB file.
*/
int
_citrus_esdb_open(struct _citrus_esdb *db, const char *esname)
{
struct _region fr;
const char *realname, *encfile;
char buf1[PATH_MAX], buf2[PATH_MAX], path[PATH_MAX];
int ret;
snprintf(path, sizeof(path), "%s/%s", _PATH_ESDB, ESDB_ALIAS);
realname = _lookup_alias(path, esname, buf1, sizeof(buf1),
_LOOKUP_CASE_IGNORE);
snprintf(path, sizeof(path), "%s/%s", _PATH_ESDB, ESDB_DIR);
encfile = _lookup_simple(path, realname, buf2, sizeof(buf2),
_LOOKUP_CASE_IGNORE);
if (encfile == NULL)
return (ENOENT);
/* open file */
snprintf(path, sizeof(path), "%s/%s", _PATH_ESDB, encfile);
ret = _map_file(&fr, path);
if (ret)
return (ret);
ret = conv_esdb(db, &fr);
_unmap_file(&fr);
return (ret);
}
/*
* lookup_iconv_entry:
* lookup iconv.dir entry in the specified directory.
*
* line format of iconv.dir file:
* key module arg
* key : lookup key.
* module : iconv module name.
* arg : argument for the module (generally, description file name)
*
*/
static __inline int
lookup_iconv_entry(const char *curdir, const char *key,
char *linebuf, size_t linebufsize,
const char **module, const char **variable)
{
const char *cp, *cq;
char *p, path[PATH_MAX];
/* iconv.dir path */
snprintf(path, (size_t)PATH_MAX, ("%s/" _CITRUS_ICONV_DIR), curdir);
/* lookup db */
cp = p = _lookup_simple(path, key, linebuf, linebufsize,
_LOOKUP_CASE_IGNORE);
if (p == NULL)
return ENOENT;
/* get module name */
*module = p;
cq = _bcs_skip_nonws(cp);
p[cq-cp] = '\0';
p += cq-cp+1;
cq++;
/* get variable */
cp = _bcs_skip_ws(cq);
*variable = p += cp - cq;
cq = _bcs_skip_nonws(cp);
p[cq-cp] = '\0';
return 0;
}
