if (md == NULL)
return;
while (NULL != (item = md->items))
- {
- md->items = item->next;
- meta_item_free (item);
- }
+ {
+ md->items = item->next;
+ meta_item_free (item);
+ }
GNUNET_free_non_null (md->sbuf);
GNUNET_free (md);
}
if (md == NULL)
return;
while (NULL != (item = md->items))
- {
- md->items = item->next;
- meta_item_free (item);
- }
+ {
+ md->items = item->next;
+ meta_item_free (item);
+ }
GNUNET_free_non_null (md->sbuf);
memset (md, 0, sizeof (struct GNUNET_CONTAINER_MetaData));
}
*/
int
GNUNET_CONTAINER_meta_data_test_equal (const struct GNUNET_CONTAINER_MetaData
- *md1,
- const struct GNUNET_CONTAINER_MetaData
- *md2)
+ *md1,
+ const struct GNUNET_CONTAINER_MetaData
+ *md2)
{
struct MetaItem *i;
struct MetaItem *j;
i = md1->items;
while (NULL != i)
+ {
+ found = GNUNET_NO;
+ j = md2->items;
+ while (NULL != j)
{
- found = GNUNET_NO;
- j = md2->items;
- while (NULL != j)
- {
- if ((i->type == j->type) && (i->format == j->format) &&
- (i->data_size == j->data_size) &&
- (0 == memcmp (i->data, j->data, i->data_size)))
- {
- found = GNUNET_YES;
- break;
- }
- j = j->next;
- }
- if (found == GNUNET_NO)
- return GNUNET_NO;
- i = i->next;
+ if ((i->type == j->type) && (i->format == j->format) &&
+ (i->data_size == j->data_size) &&
+ (0 == memcmp (i->data, j->data, i->data_size)))
+ {
+ found = GNUNET_YES;
+ break;
+ }
+ j = j->next;
}
+ if (found == GNUNET_NO)
+ return GNUNET_NO;
+ i = i->next;
+ }
return GNUNET_YES;
}
*/
int
GNUNET_CONTAINER_meta_data_insert (struct GNUNET_CONTAINER_MetaData *md,
- const char *plugin_name,
- enum EXTRACTOR_MetaType type,
- enum EXTRACTOR_MetaFormat format,
- const char *data_mime_type,
- const char *data, size_t data_len)
+ const char *plugin_name,
+ enum EXTRACTOR_MetaType type,
+ enum EXTRACTOR_MetaFormat format,
+ const char *data_mime_type, const char *data,
+ size_t data_len)
{
struct MetaItem *prev;
struct MetaItem *pos;
prev = NULL;
pos = md->items;
while (NULL != pos)
+ {
+ if (pos->data_size < data_len)
+ break;
+ if ((pos->type == type) && (pos->data_size == data_len) &&
+ (0 == memcmp (pos->data, data, data_len)))
{
- if (pos->data_size < data_len)
- break;
- if ((pos->type == type) && (pos->data_size == data_len) &&
- (0 == memcmp (pos->data, data, data_len)))
- {
- if ((pos->mime_type == NULL) && (data_mime_type != NULL))
- {
- pos->mime_type = GNUNET_strdup (data_mime_type);
- invalidate_sbuf (md);
- }
- if ((pos->format == EXTRACTOR_METAFORMAT_C_STRING) &&
- (format == EXTRACTOR_METAFORMAT_UTF8))
- {
- pos->format = EXTRACTOR_METAFORMAT_UTF8;
- invalidate_sbuf (md);
- }
- return GNUNET_SYSERR;
- }
- prev = pos;
- pos = pos->next;
+ if ((pos->mime_type == NULL) && (data_mime_type != NULL))
+ {
+ pos->mime_type = GNUNET_strdup (data_mime_type);
+ invalidate_sbuf (md);
+ }
+ if ((pos->format == EXTRACTOR_METAFORMAT_C_STRING) &&
+ (format == EXTRACTOR_METAFORMAT_UTF8))
+ {
+ pos->format = EXTRACTOR_METAFORMAT_UTF8;
+ invalidate_sbuf (md);
+ }
+ return GNUNET_SYSERR;
}
+ prev = pos;
+ pos = pos->next;
+ }
md->item_count++;
i = GNUNET_malloc (sizeof (struct MetaItem));
i->type = type;
else
prev->next = i;
i->mime_type =
- (data_mime_type == NULL) ? NULL : GNUNET_strdup (data_mime_type);
+ (data_mime_type == NULL) ? NULL : GNUNET_strdup (data_mime_type);
i->plugin_name = (plugin_name == NULL) ? NULL : GNUNET_strdup (plugin_name);
i->data = GNUNET_malloc (data_len);
memcpy (i->data, data, data_len);
/* change OS native dir separators to unix '/' and others to '_' */
if (type == EXTRACTOR_METATYPE_FILENAME)
+ {
+ p = i->data;
+ while ((*p != '\0') && (p < i->data + data_len))
{
- p = i->data;
- while ((*p != '\0') && (p < i->data + data_len))
- {
- if (*p == DIR_SEPARATOR)
- *p = '/';
- else if (*p == '\\')
- *p = '_';
- p++;
- }
+ if (*p == DIR_SEPARATOR)
+ *p = '/';
+ else if (*p == '\\')
+ *p = '_';
+ p++;
}
+ }
invalidate_sbuf (md);
return GNUNET_OK;
}
* @return 0 (to continue)
*/
static int
-merge_helper (void *cls, const char *plugin_name,
- enum EXTRACTOR_MetaType type, enum EXTRACTOR_MetaFormat format,
- const char *data_mime_type, const char *data, size_t data_len)
+merge_helper (void *cls, const char *plugin_name, enum EXTRACTOR_MetaType type,
+ enum EXTRACTOR_MetaFormat format, const char *data_mime_type,
+ const char *data, size_t data_len)
{
struct GNUNET_CONTAINER_MetaData *md = cls;
(void) GNUNET_CONTAINER_meta_data_insert (md, plugin_name, type, format,
- data_mime_type, data, data_len);
+ data_mime_type, data, data_len);
return 0;
}
*/
void
GNUNET_CONTAINER_meta_data_merge (struct GNUNET_CONTAINER_MetaData *md,
- const struct GNUNET_CONTAINER_MetaData *in)
+ const struct GNUNET_CONTAINER_MetaData *in)
{
GNUNET_CONTAINER_meta_data_iterate (in, &merge_helper, md);
}
*/
int
GNUNET_CONTAINER_meta_data_delete (struct GNUNET_CONTAINER_MetaData *md,
- enum EXTRACTOR_MetaType type,
- const char *data, size_t data_len)
+ enum EXTRACTOR_MetaType type,
+ const char *data, size_t data_len)
{
struct MetaItem *pos;
struct MetaItem *prev;
prev = NULL;
pos = md->items;
while (NULL != pos)
+ {
+ if ((pos->type == type) &&
+ ((data == NULL) ||
+ ((pos->data_size == data_len) &&
+ (0 == memcmp (pos->data, data, data_len)))))
{
- if ((pos->type == type) &&
- ((data == NULL) ||
- ((pos->data_size == data_len) &&
- (0 == memcmp (pos->data, data, data_len)))))
- {
- if (prev == NULL)
- md->items = pos->next;
- else
- prev->next = pos->next;
- meta_item_free (pos);
- md->item_count--;
- invalidate_sbuf (md);
- return GNUNET_OK;
- }
- prev = pos;
- pos = pos->next;
+ if (prev == NULL)
+ md->items = pos->next;
+ else
+ prev->next = pos->next;
+ meta_item_free (pos);
+ md->item_count--;
+ invalidate_sbuf (md);
+ return GNUNET_OK;
}
+ prev = pos;
+ pos = pos->next;
+ }
return GNUNET_SYSERR;
}
*/
void
GNUNET_CONTAINER_meta_data_add_publication_date (struct
- GNUNET_CONTAINER_MetaData
- *md)
+ GNUNET_CONTAINER_MetaData *md)
{
char *dat;
struct GNUNET_TIME_Absolute t;
t = GNUNET_TIME_absolute_get ();
GNUNET_CONTAINER_meta_data_delete (md, EXTRACTOR_METATYPE_PUBLICATION_DATE,
- NULL, 0);
+ NULL, 0);
dat = GNUNET_STRINGS_absolute_time_to_string (t);
GNUNET_CONTAINER_meta_data_insert (md, "<gnunet>",
- EXTRACTOR_METATYPE_PUBLICATION_DATE,
- EXTRACTOR_METAFORMAT_UTF8, "text/plain",
- dat, strlen (dat) + 1);
+ EXTRACTOR_METATYPE_PUBLICATION_DATE,
+ EXTRACTOR_METAFORMAT_UTF8, "text/plain",
+ dat, strlen (dat) + 1);
GNUNET_free (dat);
}
* @return number of entries
*/
int
-GNUNET_CONTAINER_meta_data_iterate (const struct GNUNET_CONTAINER_MetaData
- *md, EXTRACTOR_MetaDataProcessor iter,
- void *iter_cls)
+GNUNET_CONTAINER_meta_data_iterate (const struct GNUNET_CONTAINER_MetaData *md,
+ EXTRACTOR_MetaDataProcessor iter,
+ void *iter_cls)
{
struct MetaItem *pos;
return md->item_count;
pos = md->items;
while (NULL != pos)
- {
- if (0 !=
- iter (iter_cls, pos->plugin_name, pos->type, pos->format,
- pos->mime_type, pos->data, pos->data_size))
- return md->item_count;
- pos = pos->next;
- }
+ {
+ if (0 !=
+ iter (iter_cls, pos->plugin_name, pos->type, pos->format,
+ pos->mime_type, pos->data, pos->data_size))
+ return md->item_count;
+ pos = pos->next;
+ }
return md->item_count;
}
*/
char *
GNUNET_CONTAINER_meta_data_get_by_type (const struct GNUNET_CONTAINER_MetaData
- *md, enum EXTRACTOR_MetaType type)
+ *md, enum EXTRACTOR_MetaType type)
{
struct MetaItem *pos;
return NULL;
pos = md->items;
while (NULL != pos)
- {
- if ((type == pos->type) &&
- ((pos->format == EXTRACTOR_METAFORMAT_UTF8) ||
- (pos->format == EXTRACTOR_METAFORMAT_C_STRING)))
- return GNUNET_strdup (pos->data);
- pos = pos->next;
- }
+ {
+ if ((type == pos->type) &&
+ ((pos->format == EXTRACTOR_METAFORMAT_UTF8) ||
+ (pos->format == EXTRACTOR_METAFORMAT_C_STRING)))
+ return GNUNET_strdup (pos->data);
+ pos = pos->next;
+ }
return NULL;
}
*/
char *
GNUNET_CONTAINER_meta_data_get_first_by_types (const struct
- GNUNET_CONTAINER_MetaData *md,
- ...)
+ GNUNET_CONTAINER_MetaData *md,
+ ...)
{
char *ret;
va_list args;
ret = NULL;
va_start (args, md);
while (1)
- {
- type = va_arg (args, enum EXTRACTOR_MetaType);
-
- if (type == -1)
- break;
- ret = GNUNET_CONTAINER_meta_data_get_by_type (md, type);
- if (ret != NULL)
- break;
- }
+ {
+ type = va_arg (args, enum EXTRACTOR_MetaType);
+
+ if (type == -1)
+ break;
+ ret = GNUNET_CONTAINER_meta_data_get_by_type (md, type);
+ if (ret != NULL)
+ break;
+ }
va_end (args);
return ret;
}
* @return number of bytes in thumbnail, 0 if not available
*/
size_t
-GNUNET_CONTAINER_meta_data_get_thumbnail (const struct
- GNUNET_CONTAINER_MetaData * md,
- unsigned char **thumb)
+GNUNET_CONTAINER_meta_data_get_thumbnail (const struct GNUNET_CONTAINER_MetaData
+ * md, unsigned char **thumb)
{
struct MetaItem *pos;
struct MetaItem *match;
match = NULL;
pos = md->items;
while (NULL != pos)
+ {
+ if ((NULL != pos->mime_type) &&
+ (0 == strncasecmp ("image/", pos->mime_type, strlen ("image/"))) &&
+ (pos->format == EXTRACTOR_METAFORMAT_BINARY))
{
- if ((NULL != pos->mime_type) &&
- (0 == strncasecmp ("image/", pos->mime_type, strlen ("image/"))) &&
- (pos->format == EXTRACTOR_METAFORMAT_BINARY))
- {
- if (match == NULL)
- match = pos;
- else if ((match->type != EXTRACTOR_METATYPE_THUMBNAIL) &&
- (pos->type == EXTRACTOR_METATYPE_THUMBNAIL))
- match = pos;
- }
- pos = pos->next;
+ if (match == NULL)
+ match = pos;
+ else if ((match->type != EXTRACTOR_METATYPE_THUMBNAIL) &&
+ (pos->type == EXTRACTOR_METATYPE_THUMBNAIL))
+ match = pos;
}
+ pos = pos->next;
+ }
if ((match == NULL) || (match->data_size == 0))
return 0;
*thumb = GNUNET_malloc (match->data_size);
*/
struct GNUNET_CONTAINER_MetaData *
GNUNET_CONTAINER_meta_data_duplicate (const struct GNUNET_CONTAINER_MetaData
- *md)
+ *md)
{
struct GNUNET_CONTAINER_MetaData *ret;
struct MetaItem *pos;
ret = GNUNET_CONTAINER_meta_data_create ();
pos = md->items;
while (NULL != pos)
- {
- GNUNET_CONTAINER_meta_data_insert (ret, pos->plugin_name, pos->type,
- pos->format, pos->mime_type,
- pos->data, pos->data_size);
- pos = pos->next;
- }
+ {
+ GNUNET_CONTAINER_meta_data_insert (ret, pos->plugin_name, pos->type,
+ pos->format, pos->mime_type, pos->data,
+ pos->data_size);
+ pos = pos->next;
+ }
return ret;
}
*/
static int
try_compression (const char *data, size_t oldSize, char **result,
- size_t * newSize)
+ size_t * newSize)
{
char *tmp;
uLongf dlen;
tmp = GNUNET_malloc (dlen);
if (Z_OK ==
compress2 ((Bytef *) tmp, &dlen, (const Bytef *) data, oldSize, 9))
+ {
+ if (dlen < oldSize)
{
- if (dlen < oldSize)
- {
- *result = tmp;
- *newSize = dlen;
- return GNUNET_YES;
- }
+ *result = tmp;
+ *newSize = dlen;
+ return GNUNET_YES;
}
+ }
GNUNET_free (tmp);
return GNUNET_NO;
}
*/
ssize_t
GNUNET_CONTAINER_meta_data_serialize (const struct GNUNET_CONTAINER_MetaData
- *md, char **target, size_t max,
- enum
- GNUNET_CONTAINER_MetaDataSerializationOptions
- opt)
+ *md, char **target, size_t max,
+ enum
+ GNUNET_CONTAINER_MetaDataSerializationOptions
+ opt)
{
struct GNUNET_CONTAINER_MetaData *vmd;
struct MetaItem *pos;
int comp;
if (max < sizeof (struct MetaDataHeader))
- return GNUNET_SYSERR; /* far too small */
+ return GNUNET_SYSERR; /* far too small */
if (md == NULL)
return 0;
if (md->sbuf != NULL)
+ {
+ /* try to use serialization cache */
+ if (md->sbuf_size <= max)
{
- /* try to use serialization cache */
- if (md->sbuf_size <= max)
- {
- if (NULL == *target)
- *target = GNUNET_malloc (md->sbuf_size);
- memcpy (*target, md->sbuf, md->sbuf_size);
- return md->sbuf_size;
- }
- if (0 == (opt & GNUNET_CONTAINER_META_DATA_SERIALIZE_PART))
- return GNUNET_SYSERR; /* can say that this will fail */
- /* need to compute a partial serialization, sbuf useless ... */
+ if (NULL == *target)
+ *target = GNUNET_malloc (md->sbuf_size);
+ memcpy (*target, md->sbuf, md->sbuf_size);
+ return md->sbuf_size;
}
+ if (0 == (opt & GNUNET_CONTAINER_META_DATA_SERIALIZE_PART))
+ return GNUNET_SYSERR; /* can say that this will fail */
+ /* need to compute a partial serialization, sbuf useless ... */
+ }
dst = NULL;
msize = 0;
pos = md->items;
while (NULL != pos)
- {
- msize += sizeof (struct MetaDataEntry);
- msize += pos->data_size;
- if (pos->plugin_name != NULL)
- msize += strlen (pos->plugin_name) + 1;
- if (pos->mime_type != NULL)
- msize += strlen (pos->mime_type) + 1;
- pos = pos->next;
- }
+ {
+ msize += sizeof (struct MetaDataEntry);
+ msize += pos->data_size;
+ if (pos->plugin_name != NULL)
+ msize += strlen (pos->plugin_name) + 1;
+ if (pos->mime_type != NULL)
+ msize += strlen (pos->mime_type) + 1;
+ pos = pos->next;
+ }
size = (size_t) msize;
if (size != msize)
- {
- GNUNET_break (0); /* integer overflow */
- return GNUNET_SYSERR;
- }
+ {
+ GNUNET_break (0); /* integer overflow */
+ return GNUNET_SYSERR;
+ }
if (size >= GNUNET_MAX_MALLOC_CHECKED)
- {
- /* too large to be processed */
- return GNUNET_SYSERR;
- }
+ {
+ /* too large to be processed */
+ return GNUNET_SYSERR;
+ }
ent = GNUNET_malloc (size);
mdata = (char *) &ent[md->item_count];
off = size - (md->item_count * sizeof (struct MetaDataEntry));
i = 0;
pos = md->items;
while (NULL != pos)
- {
- ent[i].type = htonl ((uint32_t) pos->type);
- ent[i].format = htonl ((uint32_t) pos->format);
- ent[i].data_size = htonl ((uint32_t) pos->data_size);
- if (pos->plugin_name == NULL)
- plen = 0;
- else
- plen = strlen (pos->plugin_name) + 1;
- ent[i].plugin_name_len = htonl ((uint32_t) plen);
- if (pos->mime_type == NULL)
- mlen = 0;
- else
- mlen = strlen (pos->mime_type) + 1;
- ent[i].mime_type_len = htonl ((uint32_t) mlen);
- off -= pos->data_size;
- memcpy (&mdata[off], pos->data, pos->data_size);
- off -= plen;
- if (pos->plugin_name != NULL)
- memcpy (&mdata[off], pos->plugin_name, plen);
- off -= mlen;
- if (pos->mime_type != NULL)
- memcpy (&mdata[off], pos->mime_type, mlen);
- i++;
- pos = pos->next;
- }
+ {
+ ent[i].type = htonl ((uint32_t) pos->type);
+ ent[i].format = htonl ((uint32_t) pos->format);
+ ent[i].data_size = htonl ((uint32_t) pos->data_size);
+ if (pos->plugin_name == NULL)
+ plen = 0;
+ else
+ plen = strlen (pos->plugin_name) + 1;
+ ent[i].plugin_name_len = htonl ((uint32_t) plen);
+ if (pos->mime_type == NULL)
+ mlen = 0;
+ else
+ mlen = strlen (pos->mime_type) + 1;
+ ent[i].mime_type_len = htonl ((uint32_t) mlen);
+ off -= pos->data_size;
+ memcpy (&mdata[off], pos->data, pos->data_size);
+ off -= plen;
+ if (pos->plugin_name != NULL)
+ memcpy (&mdata[off], pos->plugin_name, plen);
+ off -= mlen;
+ if (pos->mime_type != NULL)
+ memcpy (&mdata[off], pos->mime_type, mlen);
+ i++;
+ pos = pos->next;
+ }
GNUNET_assert (off == 0);
clen = 0;
i = 0;
pos = md->items;
while (pos != NULL)
+ {
+ comp = GNUNET_NO;
+ if (0 == (opt & GNUNET_CONTAINER_META_DATA_SERIALIZE_NO_COMPRESS))
+ comp = try_compression ((const char *) &ent[i], left, &cdata, &clen);
+
+ if ((md->sbuf == NULL) && (i == 0))
+ {
+ /* fill 'sbuf'; this "modifies" md, but since this is only
+ * an internal cache we will cast away the 'const' instead
+ * of making the API look strange. */
+ vmd = (struct GNUNET_CONTAINER_MetaData *) md;
+ hdr = GNUNET_malloc (left + sizeof (struct MetaDataHeader));
+ hdr->size = htonl (left);
+ hdr->entries = htonl (md->item_count);
+ if (GNUNET_YES == comp)
+ {
+ GNUNET_assert (clen < left);
+ hdr->version = htonl (2 | HEADER_COMPRESSED);
+ memcpy (&hdr[1], cdata, clen);
+ vmd->sbuf_size = clen + sizeof (struct MetaDataHeader);
+ }
+ else
+ {
+ hdr->version = htonl (2);
+ memcpy (&hdr[1], &ent[0], left);
+ vmd->sbuf_size = left + sizeof (struct MetaDataHeader);
+ }
+ vmd->sbuf = (char *) hdr;
+ }
+
+ if (((left + sizeof (struct MetaDataHeader)) <= max) ||
+ ((comp == GNUNET_YES) && (clen <= max)))
+ {
+ /* success, this now fits! */
+ if (GNUNET_YES == comp)
+ {
+ if (dst == NULL)
+ dst = GNUNET_malloc (clen + sizeof (struct MetaDataHeader));
+ hdr = (struct MetaDataHeader *) dst;
+ hdr->version = htonl (2 | HEADER_COMPRESSED);
+ hdr->size = htonl (left);
+ hdr->entries = htonl (md->item_count - i);
+ memcpy (&dst[sizeof (struct MetaDataHeader)], cdata, clen);
+ GNUNET_free (cdata);
+ GNUNET_free (ent);
+ rlen = clen + sizeof (struct MetaDataHeader);
+ }
+ else
+ {
+ if (dst == NULL)
+ dst = GNUNET_malloc (left + sizeof (struct MetaDataHeader));
+ hdr = (struct MetaDataHeader *) dst;
+ hdr->version = htonl (2);
+ hdr->entries = htonl (md->item_count - i);
+ hdr->size = htonl (left);
+ memcpy (&dst[sizeof (struct MetaDataHeader)], &ent[i], left);
+ GNUNET_free (ent);
+ rlen = left + sizeof (struct MetaDataHeader);
+ }
+ if (NULL != *target)
+ {
+ memcpy (*target, dst, clen + sizeof (struct MetaDataHeader));
+ GNUNET_free (dst);
+ }
+ else
+ {
+ *target = dst;
+ }
+ return rlen;
+ }
+
+ if (0 == (opt & GNUNET_CONTAINER_META_DATA_SERIALIZE_PART))
{
- comp = GNUNET_NO;
- if (0 == (opt & GNUNET_CONTAINER_META_DATA_SERIALIZE_NO_COMPRESS))
- comp = try_compression ((const char *) &ent[i], left, &cdata, &clen);
-
- if ((md->sbuf == NULL) && (i == 0))
- {
- /* fill 'sbuf'; this "modifies" md, but since this is only
- * an internal cache we will cast away the 'const' instead
- * of making the API look strange. */
- vmd = (struct GNUNET_CONTAINER_MetaData *) md;
- hdr = GNUNET_malloc (left + sizeof (struct MetaDataHeader));
- hdr->size = htonl (left);
- hdr->entries = htonl (md->item_count);
- if (GNUNET_YES == comp)
- {
- GNUNET_assert (clen < left);
- hdr->version = htonl (2 | HEADER_COMPRESSED);
- memcpy (&hdr[1], cdata, clen);
- vmd->sbuf_size = clen + sizeof (struct MetaDataHeader);
- }
- else
- {
- hdr->version = htonl (2);
- memcpy (&hdr[1], &ent[0], left);
- vmd->sbuf_size = left + sizeof (struct MetaDataHeader);
- }
- vmd->sbuf = (char *) hdr;
- }
-
- if (((left + sizeof (struct MetaDataHeader)) <= max) ||
- ((comp == GNUNET_YES) && (clen <= max)))
- {
- /* success, this now fits! */
- if (GNUNET_YES == comp)
- {
- if (dst == NULL)
- dst = GNUNET_malloc (clen + sizeof (struct MetaDataHeader));
- hdr = (struct MetaDataHeader *) dst;
- hdr->version = htonl (2 | HEADER_COMPRESSED);
- hdr->size = htonl (left);
- hdr->entries = htonl (md->item_count - i);
- memcpy (&dst[sizeof (struct MetaDataHeader)], cdata, clen);
- GNUNET_free (cdata);
- GNUNET_free (ent);
- rlen = clen + sizeof (struct MetaDataHeader);
- }
- else
- {
- if (dst == NULL)
- dst = GNUNET_malloc (left + sizeof (struct MetaDataHeader));
- hdr = (struct MetaDataHeader *) dst;
- hdr->version = htonl (2);
- hdr->entries = htonl (md->item_count - i);
- hdr->size = htonl (left);
- memcpy (&dst[sizeof (struct MetaDataHeader)], &ent[i], left);
- GNUNET_free (ent);
- rlen = left + sizeof (struct MetaDataHeader);
- }
- if (NULL != *target)
- {
- memcpy (*target, dst, clen + sizeof (struct MetaDataHeader));
- GNUNET_free (dst);
- }
- else
- {
- *target = dst;
- }
- return rlen;
- }
-
- if (0 == (opt & GNUNET_CONTAINER_META_DATA_SERIALIZE_PART))
- {
- /* does not fit! */
- GNUNET_free (ent);
- return GNUNET_SYSERR;
- }
-
- /* next iteration: ignore the corresponding meta data at the
- * end and try again without it */
- left -= sizeof (struct MetaDataEntry);
- left -= pos->data_size;
- if (pos->plugin_name != NULL)
- left -= strlen (pos->plugin_name) + 1;
- if (pos->mime_type != NULL)
- left -= strlen (pos->mime_type) + 1;
- pos = pos->next;
- i++;
+ /* does not fit! */
+ GNUNET_free (ent);
+ return GNUNET_SYSERR;
}
+
+ /* next iteration: ignore the corresponding meta data at the
+ * end and try again without it */
+ left -= sizeof (struct MetaDataEntry);
+ left -= pos->data_size;
+ if (pos->plugin_name != NULL)
+ left -= strlen (pos->plugin_name) + 1;
+ if (pos->mime_type != NULL)
+ left -= strlen (pos->mime_type) + 1;
+ pos = pos->next;
+ i++;
+ }
GNUNET_free (ent);
/* nothing fit, only write header! */
*/
ssize_t
GNUNET_CONTAINER_meta_data_get_serialized_size (const struct
- GNUNET_CONTAINER_MetaData *md)
+ GNUNET_CONTAINER_MetaData *md)
{
ssize_t ret;
char *ptr;
return md->sbuf_size;
ptr = NULL;
ret =
- GNUNET_CONTAINER_meta_data_serialize (md, &ptr, GNUNET_MAX_MALLOC_CHECKED,
- GNUNET_CONTAINER_META_DATA_SERIALIZE_FULL);
+ GNUNET_CONTAINER_meta_data_serialize (md, &ptr, GNUNET_MAX_MALLOC_CHECKED,
+ GNUNET_CONTAINER_META_DATA_SERIALIZE_FULL);
if (ret != -1)
GNUNET_free (ptr);
return ret;
output = GNUNET_malloc (olen);
if (Z_OK ==
uncompress ((Bytef *) output, &olen, (const Bytef *) input, inputSize))
- {
- return output;
- }
+ {
+ return output;
+ }
else
- {
- GNUNET_free (output);
- return NULL;
- }
+ {
+ GNUNET_free (output);
+ return NULL;
+ }
}
compressed = (ntohl (hdr.version) & HEADER_COMPRESSED) != 0;
if (version == 1)
- return NULL; /* null pointer */
+ return NULL; /* null pointer */
if (version != 2)
- {
- GNUNET_break_op (0); /* unsupported version */
- return NULL;
- }
+ {
+ GNUNET_break_op (0); /* unsupported version */
+ return NULL;
+ }
ic = ntohl (hdr.entries);
dataSize = ntohl (hdr.size);
if ((sizeof (struct MetaDataEntry) * ic) > dataSize)
+ {
+ GNUNET_break_op (0);
+ return NULL;
+ }
+
+ if (compressed)
+ {
+ if (dataSize >= GNUNET_MAX_MALLOC_CHECKED)
{
+ /* make sure we don't blow our memory limit because of a mal-formed
+ * message... */
GNUNET_break_op (0);
return NULL;
}
-
- if (compressed)
+ data =
+ decompress ((const char *) &input[sizeof (struct MetaDataHeader)],
+ size - sizeof (struct MetaDataHeader), dataSize);
+ if (data == NULL)
{
- if (dataSize >= GNUNET_MAX_MALLOC_CHECKED)
- {
- /* make sure we don't blow our memory limit because of a mal-formed
- * message... */
- GNUNET_break_op (0);
- return NULL;
- }
- data =
- decompress ((const char *) &input[sizeof (struct MetaDataHeader)],
- size - sizeof (struct MetaDataHeader), dataSize);
- if (data == NULL)
- {
- GNUNET_break_op (0);
- return NULL;
- }
- cdata = data;
+ GNUNET_break_op (0);
+ return NULL;
}
+ cdata = data;
+ }
else
+ {
+ data = NULL;
+ cdata = (const char *) &input[sizeof (struct MetaDataHeader)];
+ if (dataSize != size - sizeof (struct MetaDataHeader))
{
- data = NULL;
- cdata = (const char *) &input[sizeof (struct MetaDataHeader)];
- if (dataSize != size - sizeof (struct MetaDataHeader))
- {
- GNUNET_break_op (0);
- return NULL;
- }
+ GNUNET_break_op (0);
+ return NULL;
}
+ }
md = GNUNET_CONTAINER_meta_data_create ();
left = dataSize - ic * sizeof (struct MetaDataEntry);
mdata = &cdata[ic * sizeof (struct MetaDataEntry)];
for (i = 0; i < ic; i++)
+ {
+ memcpy (&ent, &cdata[i * sizeof (struct MetaDataEntry)],
+ sizeof (struct MetaDataEntry));
+ format = (enum EXTRACTOR_MetaFormat) ntohl (ent.format);
+ if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
+ (format != EXTRACTOR_METAFORMAT_C_STRING) &&
+ (format != EXTRACTOR_METAFORMAT_BINARY))
{
- memcpy (&ent, &cdata[i * sizeof (struct MetaDataEntry)],
- sizeof (struct MetaDataEntry));
- format = (enum EXTRACTOR_MetaFormat) ntohl (ent.format);
- if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
- (format != EXTRACTOR_METAFORMAT_C_STRING) &&
- (format != EXTRACTOR_METAFORMAT_BINARY))
- {
- GNUNET_break_op (0);
- break;
- }
- dlen = ntohl (ent.data_size);
- plen = ntohl (ent.plugin_name_len);
- mlen = ntohl (ent.mime_type_len);
- if (dlen > left)
- {
- GNUNET_break_op (0);
- break;
- }
- left -= dlen;
- meta_data = &mdata[left];
- if ((format == EXTRACTOR_METAFORMAT_UTF8) ||
- (format == EXTRACTOR_METAFORMAT_C_STRING))
- {
- if ((dlen == 0) || (mdata[left + dlen - 1] != '\0'))
- {
- GNUNET_break_op (0);
- break;
- }
- }
- if (plen > left)
- {
- GNUNET_break_op (0);
- break;
- }
- left -= plen;
- if ((plen > 0) && (mdata[left + plen - 1] != '\0'))
- {
- GNUNET_break_op (0);
- break;
- }
- if (plen == 0)
- plugin_name = NULL;
- else
- plugin_name = &mdata[left];
-
- if (mlen > left)
- {
- GNUNET_break_op (0);
- break;
- }
- left -= mlen;
- if ((mlen > 0) && (mdata[left + mlen - 1] != '\0'))
- {
- GNUNET_break_op (0);
- break;
- }
- if (mlen == 0)
- mime_type = NULL;
- else
- mime_type = &mdata[left];
- GNUNET_CONTAINER_meta_data_insert (md, plugin_name,
- (enum EXTRACTOR_MetaType)
- ntohl (ent.type), format, mime_type,
- meta_data, dlen);
+ GNUNET_break_op (0);
+ break;
+ }
+ dlen = ntohl (ent.data_size);
+ plen = ntohl (ent.plugin_name_len);
+ mlen = ntohl (ent.mime_type_len);
+ if (dlen > left)
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ left -= dlen;
+ meta_data = &mdata[left];
+ if ((format == EXTRACTOR_METAFORMAT_UTF8) ||
+ (format == EXTRACTOR_METAFORMAT_C_STRING))
+ {
+ if ((dlen == 0) || (mdata[left + dlen - 1] != '\0'))
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ }
+ if (plen > left)
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ left -= plen;
+ if ((plen > 0) && (mdata[left + plen - 1] != '\0'))
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ if (plen == 0)
+ plugin_name = NULL;
+ else
+ plugin_name = &mdata[left];
+
+ if (mlen > left)
+ {
+ GNUNET_break_op (0);
+ break;
+ }
+ left -= mlen;
+ if ((mlen > 0) && (mdata[left + mlen - 1] != '\0'))
+ {
+ GNUNET_break_op (0);
+ break;
}
+ if (mlen == 0)
+ mime_type = NULL;
+ else
+ mime_type = &mdata[left];
+ GNUNET_CONTAINER_meta_data_insert (md, plugin_name,
+ (enum EXTRACTOR_MetaType)
+ ntohl (ent.type), format, mime_type,
+ meta_data, dlen);
+ }
GNUNET_free_non_null (data);
return md;
}