diff options
author | Bernhard Schmidt <berni@debian.org> | 2019-02-20 14:11:51 +0100 |
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committer | Bernhard Schmidt <berni@debian.org> | 2019-02-20 14:11:51 +0100 |
commit | 39ddb9cc8281bd239b94a3023da6329edb6718c1 (patch) | |
tree | dc6a8e7f1018f59f088c5b06b48eb24efe17f22d /src/openvpn/buffer.h | |
parent | d5078cc44b8919a25cb7507e9e6da1d66f25bb5b (diff) | |
parent | 87356242baf10c8b2a94d9013e436ed2a0dada53 (diff) |
Update upstream source from tag 'upstream/2.4.7'
Update to upstream version '2.4.7'
with Debian dir d01da6ef78dc8ce91265e8f319468f6c34d23af8
Diffstat (limited to 'src/openvpn/buffer.h')
-rw-r--r-- | src/openvpn/buffer.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/src/openvpn/buffer.h b/src/openvpn/buffer.h index e37254c..c510c00 100644 --- a/src/openvpn/buffer.h +++ b/src/openvpn/buffer.h @@ -1082,26 +1082,93 @@ struct buffer_list int max_size; /* maximum size list should grow to */ }; +/** + * Allocate an empty buffer list of capacity \c max_size. + * + * @param max_size the capacity of the list to allocate + * + * @return the new list + */ struct buffer_list *buffer_list_new(const int max_size); +/** + * Frees a buffer list and all the buffers in it. + * + * @param ol the list to free + */ void buffer_list_free(struct buffer_list *ol); +/** + * Checks if the list is valid and non-empty + * + * @param ol the list to check + * + * @return true iff \c ol is not NULL and contains at least one buffer + */ bool buffer_list_defined(const struct buffer_list *ol); +/** + * Empty the list \c ol and frees all the contained buffers + * + * @param ol the list to reset + */ void buffer_list_reset(struct buffer_list *ol); +/** + * Allocates and appends a new buffer containing \c str as data to \c ol + * + * @param ol the list to append the new buffer to + * @param str the string to copy into the new buffer + */ void buffer_list_push(struct buffer_list *ol, const char *str); +/** + * Allocates and appends a new buffer containing \c data of length \c size. + * + * @param ol the list to append the new buffer to + * @param data the data to copy into the new buffer + * @param size the length of \c data to copy into the buffer + * + * @return the new buffer + */ struct buffer_entry *buffer_list_push_data(struct buffer_list *ol, const void *data, size_t size); +/** + * Retrieve the head buffer + * + * @param ol the list to retrieve the buffer from + * + * @return a pointer to the head buffer or NULL if the list is empty + */ struct buffer *buffer_list_peek(struct buffer_list *ol); void buffer_list_advance(struct buffer_list *ol, int n); void buffer_list_pop(struct buffer_list *ol); +/** + * Aggregates as many buffers as possible from \c bl in a new buffer of maximum + * length \c max_len . + * All the aggregated buffers are removed from the list and replaced by the new + * one, followed by any additional (non-aggregated) data. + * + * @param bl the list of buffer to aggregate + * @param max the maximum length of the aggregated buffer + */ void buffer_list_aggregate(struct buffer_list *bl, const size_t max); +/** + * Aggregates as many buffers as possible from \c bl in a new buffer + * of maximum length \c max_len . \c sep is written after + * each copied buffer (also after the last one). All the aggregated buffers are + * removed from the list and replaced by the new one, followed by any additional + * (non-aggregated) data. + * Nothing happens if \c max_len is not enough to aggregate at least 2 buffers. + * + * @param bl the list of buffer to aggregate + * @param max_len the maximum length of the aggregated buffer + * @param sep the separator to put between buffers during aggregation + */ void buffer_list_aggregate_separator(struct buffer_list *bl, const size_t max_len, const char *sep); |