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46 lines
893 B
C
46 lines
893 B
C
/*
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*
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* (c) 2005 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 <sys/stat.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include "libemile.h"
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#include "emile.h"
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#include "bootblock.h"
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int emile_second_set_configuration(int fd, char *configuration)
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{
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emile_l2_header_t header;
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int ret;
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int size;
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int len;
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if (configuration == NULL)
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return EEMILE_CANNOT_READ_SECOND;
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len = strlen (configuration) + 1; /* + 1 for ending 0 */
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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_06_SIGNATURE, read_long(&header.signature)))
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return EEMILE_INVALID_SECOND;
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size = read_short(&header.conf_size);
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if (len > size)
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return EEMILE_INVALID_SECOND;
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ret = write(fd, configuration, len);
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if (ret != len)
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return EEMILE_CANNOT_WRITE_SECOND;
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return 0;
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}
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