/*
* _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);
}
/*
* _citrus_esdb_alias:
* resolve encoding scheme name aliases.
*/
const char *
_citrus_esdb_alias(const char *esname, char *buf, size_t bufsize)
{
return (_lookup_alias(_PATH_ESDB "/" ESDB_ALIAS, esname, buf, bufsize,
_LOOKUP_CASE_IGNORE));
}
static char *
loadlocale(int category)
{
char aliaspath[PATH_MAX], loccat[PATH_MAX], buf[PATH_MAX];
const char *alias;
_DIAGASSERT(0 < category && category < __arysize(categories));
if (strcmp(new_categories[category], current_categories[category]) == 0)
return(current_categories[category]);
/* (1) non-aliased file */
if (!load_locale_sub(category, new_categories[category], 0))
goto success;
/* (2) lookup locname/catname type alias */
snprintf(aliaspath, sizeof(aliaspath), "%s/" _LOCALE_ALIAS_NAME,
_PathLocale);
snprintf(loccat, sizeof(loccat), "%s/%s", new_categories[category],
categories[category].name);
alias = _lookup_alias(aliaspath, loccat, buf, sizeof(buf),
_LOOKUP_CASE_SENSITIVE);
if (!load_locale_sub(category, alias, 1))
goto success;
/* (3) lookup locname type alias */
alias = _lookup_alias(aliaspath, new_categories[category],
buf, sizeof(buf), _LOOKUP_CASE_SENSITIVE);
if (!load_locale_sub(category, alias, 1))
goto success;
return(NULL);
success:
strlcpy(current_categories[category], new_categories[category],
sizeof(current_categories[category]));
return(current_categories[category]);
}
