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74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
static __attribute__((used)) char* rcsid = "$CVSHeader$";
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/*
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*
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* (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
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*
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdio.h>
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#include "libemile.h"
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#include "emile.h"
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#include "../second/head.h"
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int emile_second_set_output(int fd, unsigned int enable_mask,
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unsigned int disable_mask,
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unsigned int bitrate0, int datasize0,
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int parity0, int stopbits0,
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unsigned int bitrate1, int datasize1,
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int parity1, int stopbits1, int gestaltid)
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{
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emile_l2_header_t header;
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off_t location;
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int ret;
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location = lseek(fd, 0, SEEK_CUR);
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if (location == -1)
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return EEMILE_CANNOT_READ_SECOND;
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ret = read(fd, &header, sizeof(header));
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if (ret != sizeof(header))
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return EEMILE_CANNOT_READ_SECOND;
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if (!EMILE_COMPAT(EMILE_03_SIGNATURE, read_long(&header.signature)))
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return EEMILE_INVALID_SECOND;
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header.console_mask |= enable_mask;
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header.console_mask &= ~disable_mask;
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if (bitrate0)
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header.serial0_bitrate = bitrate0;
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if (bitrate1)
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header.serial1_bitrate = bitrate1;
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if (datasize0 != -1)
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header.serial0_datasize = datasize0;
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if (datasize1 != -1)
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header.serial1_datasize = datasize1;
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if (stopbits0 != -1)
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header.serial0_stopbits = stopbits0;
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if (stopbits1 != -1)
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header.serial1_stopbits = stopbits1;
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if (parity0 != -1)
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header.serial0_parity = parity0;
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if (parity1 != -1)
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header.serial1_parity = parity1;
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header.gestaltID = gestaltid; /* 0 means unset ... */
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ret = lseek(fd, location, SEEK_SET);
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if (ret == -1)
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return EEMILE_CANNOT_WRITE_SECOND;
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ret = write(fd, &header, sizeof(header));
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if (ret != sizeof(header))
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return EEMILE_CANNOT_WRITE_SECOND;
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return 0;
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}
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