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42 lines
836 B
C
42 lines
836 B
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 <sys/stat.h>
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#include <unistd.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_buffer_size(int fd, u_int32_t buffer_size)
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{
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emile_l2_header_t header;
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int ret;
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off_t location;
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location = lseek(fd, 0, SEEK_CUR);
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if (ret == -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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write_long(&header.kernel_size, buffer_size);
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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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