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54 lines
947 B
C
54 lines
947 B
C
/*
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*
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* (c) 2005-2007 Laurent Vivier <Laurent@Vivier.EU>
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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 <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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int8_t* emile_second_get_configuration(int fd)
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{
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int8_t *conf;
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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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memset(&header, 0, sizeof(header));
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ret = read(fd, &header, sizeof(header));
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if (!EMILE_COMPAT(EMILE_06_SIGNATURE, read_long(&header.signature)))
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{
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off_t offset;
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offset = lseek(fd, FIRST_LEVEL_SIZE, SEEK_SET);
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ret = read(fd, &header, sizeof(header));
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if (!EMILE_COMPAT(EMILE_06_SIGNATURE, read_long(&header.signature)))
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{
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lseek(fd, offset, SEEK_SET);
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return NULL;
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}
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}
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if (ret != sizeof(header))
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return NULL;
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size = read_short(&header.conf_size);
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conf = (int8_t*)malloc(size);
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if (conf == NULL)
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return NULL;
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ret = read(fd, conf, size);
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if (ret != size)
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{
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free(conf);
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return NULL;
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}
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return conf;
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}
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