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67 lines
2.3 KiB
Plaintext
67 lines
2.3 KiB
Plaintext
This file lists major changes between release versions that require
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ports or applications to be changed. Use it to update a port or an
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application written for an older version of lwIP to correctly work
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with newer versions.
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(CVS HEAD)
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* [Enter new changes just after this line - do not remove this line]
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++ Application changes:
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* Replaced struct ip_addr by typedef ip_addr_t.
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* Raw API: Changed the semantics of tcp_close() (since it was rather a
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shutdown before): Now the application does *NOT* get any calls to the
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recv callback after calling tcp_close() - this means that it also does
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not get the NULL-pbuf which tells it the remote side has closed, too!
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* Raw API: When calling tcp_abort() from a raw API TCP callback function,
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make sure you return ERR_ABRT to prevent accessing unallocated memory.
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(ERR_ABRT now means the applicaiton has called tcp_abort!)
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* Renamed mem_realloc() to mem_trim() to prevent confusion with realloc()
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* Netconn API: Changed netconn_receive() and netconn_accept() to return
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err_t, not a pointer to new data/netconn.
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* Socket API / LWIP_SO_RCVTIMEO: when accept() or recv() time out, they
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now set errno to EWOULDBLOCK/EAGAIN, not ETIMEDOUT.
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++ Port changes
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* Added 4 new files: def.c, timers.c, timers.h, tcp_impl.h
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* Moved stack-internal parts of tcp.h to tcp_impl.h, tcp.h now only contains
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the actual application programmer's API
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* Separated timer implementation from sys.h/.c, moved to timers.h/.c
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* Converted and semaphore functions to take pointers to sys_mbox_t/sys_sem_t;
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* Converted sys_mbox_new/sys_sem_new to take pointers and return err_t;
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* Added Mutex concept in sys_arch (define LWIP_COMPAT_MUTEX to let sys.h use
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binary semaphores instead of mutexes - as before)
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* Integrated loopif into netif.c - loopif does not have to be created by the
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port any more, just define LWIP_HAVE_LOOPIF to 1.
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* Netdb uses a memp pool for allocating memory when getaddrinfo() is called,
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so MEMP_NUM_NETDB has to be set accordingly.
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* Snmp-agent uses memp pools instead of the heap, so MEMP_NUM_SNMP_* have to
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be set accordingly.
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* Added define LWIP_RAND() for lwip-wide randomization (needs to be defined
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in cc.h, e.g. used by igmp)
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* Added printf-formatter X8_F to printf u8_t as hex
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(STABLE-1.3.2)
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* initial version of this file
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