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Specify return behavior in header for evbuffer_pullup() in corner case

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Function returns NULL when told to pullup more data than exists
This commit is contained in:
Dan Petro 2013-03-29 09:28:35 -07:00
parent 81ea0c4c7a
commit cf8d1cdb20
1 changed files with 2 additions and 1 deletions
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include/event2/buffer.h
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@ -944,7 +944,8 @@ void evbuffer_cb_unsuspend(struct evbuffer *buffer, struct evbuffer_cb_entry *cb
@param buf the evbuffer to make contiguous @param buf the evbuffer to make contiguous
@param size the number of bytes to make contiguous, or -1 to make the @param size the number of bytes to make contiguous, or -1 to make the
entire buffer contiguous. entire buffer contiguous.
@return a pointer to the contiguous memory array @return a pointer to the contiguous memory array, or NULL if param size
requested more data than is present in the buffer.
*/ */
unsigned char *evbuffer_pullup(struct evbuffer *buf, ev_ssize_t size); unsigned char *evbuffer_pullup(struct evbuffer *buf, ev_ssize_t size);