/*
* 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;
}
static int
parse_var(struct _citrus_mapper_646 *m6, struct _memstream *ms,
const char *dir)
{
struct _region r;
char path[PATH_MAX];
m6->m6_forward = 1;
_memstream_skip_ws(ms);
/* whether backward */
if (_memstream_peek(ms) == '!') {
_memstream_getc(ms);
m6->m6_forward = 0;
}
/* get description file path */
_memstream_getregion(ms, &r, _memstream_remainder(ms));
snprintf(path, sizeof(path), "%s/%.*s",
dir, (int)_region_size(&r), (char *)_region_head(&r));
/* remove trailing white spaces */
path[_bcs_skip_nonws(path)-path] = '\0';
return (parse_file(m6, path));
}
