86 lines
1.5 KiB
C
86 lines
1.5 KiB
C
#ifndef _EET_PRIVATE_H
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#define _EET_PRIVATE_H
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#include "config.h"
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#include <stdio.h>
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#include <unistd.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#if HAVE_ALLOCA_H
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#include <alloca.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#elif __MINGW32__
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#include <winsock.h>
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#endif
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#include <zlib.h>
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#include <string.h>
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#include <fnmatch.h>
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#include <jpeglib.h>
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#include <setjmp.h>
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#include <locale.h>
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#ifdef __GNUC__
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# if __GNUC__ >= 4
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// BROKEN in gcc 4 on amd64
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//# pragma GCC visibility push(hidden)
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# endif
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#endif
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FILE *_eet_memfile_read_open(const void *data, size_t size);
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void _eet_memfile_read_close(FILE *f);
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FILE *_eet_memfile_write_open(void **data, size_t *size);
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void _eet_memfile_write_close(FILE *f);
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void _eet_memfile_shutdown();
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#ifndef PATH_MAX
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#define PATH_MAX 4096
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#endif
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/* caluclate hash table entry valu with bitmask size of hash_size */
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static int
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eet_hash_gen(const char *key, int hash_size)
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{
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int hash_num = 0;
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int value, i;
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unsigned char *ptr;
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const int masks[9] =
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{
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0x00,
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0x01,
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0x03,
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0x07,
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0x0f,
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0x1f,
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0x3f,
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0x7f,
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0xff
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};
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/* no string - index 0 */
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if (!key) return 0;
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/* calc hash num */
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for (i = 0, ptr = (unsigned char *)key, value = (int)(*ptr);
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value;
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ptr++, i++, value = (int)(*ptr))
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hash_num ^= (value | (value << 8)) >> (i & 0x7);
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/* mask it */
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hash_num &= masks[hash_size];
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/* return it */
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return hash_num;
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}
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#endif
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