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Makes it easier to edit the files. So if we press 'end of line' we are really at the end of line.
41 lines
823 B
C
41 lines
823 B
C
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/*
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* Check to see if a device is valid
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*/
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#ifndef __WIN32__
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#include <errno.h>
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#endif
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#include "trick/tc.h"
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#include "trick/tc_proto.h"
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int tc_isValid(TCDevice * device)
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{
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int nread;
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char one_byte;
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int ret = 0;
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if (device && (device->socket != TRICKCOMM_INVALID_SOCKET)) {
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tc_errno = 0;
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do {
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nread = recv(device->socket, &one_byte, sizeof(char),
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MSG_PEEK | MSG_DONTWAIT);
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} while ((nread == -1) && (tc_errno == TRICKCOMM_EINTR));
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/* Return 0 or 1 based on the response from recv() */
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if ((nread <= 0) && (tc_errno != TRICKCOMM_EAGAIN)) {
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ret = 0; /* The socket is not valid */
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}
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else {
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ret = 1; /* The socket is valid */
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}
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}
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return (ret);
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}/* end tc_isValid */
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