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Fix sloppy wording around stricly less-than vs less or equal

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2021-03-01 11:39:21 +01:00
parent 51917a82e8
commit f02eeb8762
2 changed files with 4 additions and 4 deletions
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2
include/mbedtls/net_sockets.h
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@ -221,7 +221,7 @@ int mbedtls_net_send( void *ctx, const unsigned char *buf, size_t len );
* *
* \note The current implementation of this function uses * \note The current implementation of this function uses
* select() and returns an error if the file descriptor * select() and returns an error if the file descriptor
* is beyond \c FD_SETSIZE. * is \c FD_SETSIZE or greater.
* *
* \param ctx Socket * \param ctx Socket
* \param buf The buffer to write to * \param buf The buffer to write to

6
library/net_sockets.c
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@ -536,9 +536,9 @@ int mbedtls_net_recv_timeout( void *ctx, unsigned char *buf, size_t len,
return( MBEDTLS_ERR_NET_INVALID_CONTEXT ); return( MBEDTLS_ERR_NET_INVALID_CONTEXT );
/* A limitation of select() is that it only works with file descriptors /* A limitation of select() is that it only works with file descriptors
* up to FD_SETSIZE. This is a limitation of the fd_set type. Error out * that are strictly less than FD_SETSIZE. This is a limitation of the
* early, because attempting to call FD_SET on a large file descriptor * fd_set type. Error out early, because attempting to call FD_SET on a
* is a buffer overflow on typical platforms. */ * large file descriptor is a buffer overflow on typical platforms. */
if( fd >= FD_SETSIZE ) if( fd >= FD_SETSIZE )
return( MBEDTLS_ERR_NET_RECV_FAILED ); return( MBEDTLS_ERR_NET_RECV_FAILED );