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sockets: add readv() implementation (task #14610)

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Adds an implementation of readv() that calls recvmsg()

See http://pubs.opengroup.org/onlinepubs/009695399/functions/readv.html
This commit is contained in:
Joel Cunningham
2017-09-10 22:37:40 -05:00
parent 558480a5b9
commit 445eef2b0e
3 changed files with 24 additions and 0 deletions
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4
src/include/lwip/sockets.h
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@@ -529,6 +529,7 @@ void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destro
#if LWIP_POSIX_SOCKETS_IO_NAMES
#define lwip_read read
#define lwip_readv readv
#define lwip_write write
#define lwip_writev writev
#undef lwip_close
@@ -551,6 +552,7 @@ int lwip_connect(int s, const struct sockaddr *name, socklen_t namelen);
int lwip_listen(int s, int backlog);
ssize_t lwip_recv(int s, void *mem, size_t len, int flags);
ssize_t lwip_read(int s, void *mem, size_t len);
ssize_t lwip_readv(int s, const struct iovec *iov, int iovcnt);
ssize_t lwip_recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
ssize_t lwip_recvmsg(int s, struct msghdr *message, int flags);
@@ -619,6 +621,8 @@ int lwip_inet_pton(int af, const char *src, void *dst);
/** @ingroup socket */
#define read(s,mem,len) lwip_read(s,mem,len)
/** @ingroup socket */
#define readv(s,iov,iovcnt) lwip_readv(s,iov,iovcnt)
/** @ingroup socket */
#define write(s,dataptr,len) lwip_write(s,dataptr,len)
/** @ingroup socket */
#define writev(s,iov,iovcnt) lwip_writev(s,iov,iovcnt)