const char *
xdg_mime_get_mime_type_for_data (const void *data,
size_t len,
int *result_prio)
{
const char *mime_type;
if (len == 0)
{
*result_prio = 100;
return XDG_MIME_TYPE_EMPTY;
}
xdg_mime_init ();
if (_caches)
mime_type = _xdg_mime_cache_get_mime_type_for_data (data, len, result_prio);
else
mime_type = _xdg_mime_magic_lookup_data (global_magic, data, len, result_prio, NULL, 0);
if (mime_type)
return mime_type;
return _xdg_binary_or_text_fallback(data, len);
}
const char *
_xdg_mime_cache_get_mime_type_for_file (const char *file_name,
struct stat *statbuf)
{
const char *mime_type;
const char *mime_types[10];
FILE *file;
unsigned char *data;
int max_extent;
int bytes_read;
struct stat buf;
const char *base_name;
int n;
if (file_name == NULL)
return NULL;
if (! _xdg_utf8_validate (file_name))
return NULL;
base_name = _xdg_get_base_name (file_name);
n = cache_glob_lookup_file_name (base_name, mime_types, 10);
if (n == 1)
return mime_types[0];
if (!statbuf)
{
if (stat (file_name, &buf) != 0)
return XDG_MIME_TYPE_UNKNOWN;
statbuf = &buf;
}
if (statbuf->st_size == 0)
return XDG_MIME_TYPE_EMPTY;
if (!S_ISREG (statbuf->st_mode))
return XDG_MIME_TYPE_UNKNOWN;
/* FIXME: Need to make sure that max_extent isn't totally broken. This could
* be large and need getting from a stream instead of just reading it all
* in. */
max_extent = _xdg_mime_cache_get_max_buffer_extents ();
data = malloc (max_extent);
if (data == NULL)
return XDG_MIME_TYPE_UNKNOWN;
file = fopen (file_name, "r");
if (file == NULL)
{
free (data);
return XDG_MIME_TYPE_UNKNOWN;
}
bytes_read = fread (data, 1, max_extent, file);
if (ferror (file))
{
free (data);
fclose (file);
return XDG_MIME_TYPE_UNKNOWN;
}
mime_type = cache_get_mime_type_for_data (data, bytes_read, NULL,
mime_types, n);
if (!mime_type)
mime_type = _xdg_binary_or_text_fallback(data, bytes_read);
free (data);
fclose (file);
return mime_type;
}
const char *
xdg_mime_get_mime_type_for_file (const char *file_name,
struct stat *statbuf)
{
const char *mime_type;
/* currently, only a few globs occur twice, and none
* more often, so 5 seems plenty.
*/
const char *mime_types[5];
FILE *file;
unsigned char *data;
int max_extent;
int bytes_read;
struct stat buf;
const char *base_name;
int n;
if (file_name == NULL)
return NULL;
if (! _xdg_utf8_validate (file_name))
return NULL;
xdg_mime_init ();
if (_caches)
return _xdg_mime_cache_get_mime_type_for_file (file_name, statbuf);
base_name = _xdg_get_base_name (file_name);
n = _xdg_glob_hash_lookup_file_name (global_hash, base_name, mime_types, 5);
if (n == 1)
return mime_types[0];
if (!statbuf)
{
if (stat (file_name, &buf) != 0)
return XDG_MIME_TYPE_UNKNOWN;
statbuf = &buf;
}
if (!S_ISREG (statbuf->st_mode))
return XDG_MIME_TYPE_UNKNOWN;
/* FIXME: Need to make sure that max_extent isn't totally broken. This could
* be large and need getting from a stream instead of just reading it all
* in. */
max_extent = _xdg_mime_magic_get_buffer_extents (global_magic);
data = malloc (max_extent);
if (data == NULL)
return XDG_MIME_TYPE_UNKNOWN;
file = fopen (file_name, "r");
if (file == NULL)
{
free (data);
return XDG_MIME_TYPE_UNKNOWN;
}
bytes_read = fread (data, 1, max_extent, file);
if (ferror (file))
{
free (data);
fclose (file);
return XDG_MIME_TYPE_UNKNOWN;
}
mime_type = _xdg_mime_magic_lookup_data (global_magic, data, bytes_read, NULL,
mime_types, n);
if (!mime_type)
mime_type = _xdg_binary_or_text_fallback (data, bytes_read);
free (data);
fclose (file);
return mime_type;
}
