31 lines
869 B
C
31 lines
869 B
C
/* Extracted from the sdm module in perl. */
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typedef struct {
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char *dptr;
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int dsize;
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} datum;
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extern long sdbm_hash (char *, int) ;
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extern void sdbm__putpair (char *, datum, datum) ;
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void
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sdbm__splpage (char *pag, char *New, long int sbit)
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{
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datum key;
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datum val;
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register int n;
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register int off = 1024 ;
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char cur[1024 ];
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register short *ino = (short *) cur;
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(void) memcpy(cur, pag, 1024 );
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(void) ({ void *__s = ( pag ); __builtin_memset ( __s , '\0', 1024 ) ; __s; });
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(void) ({ void *__s = ( New ); __builtin_memset ( __s , '\0', 1024 ) ; __s; });
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n = ino[0];
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for (ino++; n > 0; ino += 2) {
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key.dptr = cur + ino[0];
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key.dsize = off - ino[0];
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val.dptr = cur + ino[1];
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val.dsize = ino[0] - ino[1];
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(void) sdbm__putpair ((sdbm_hash(( key ).dptr, ( key ).dsize) & sbit) ? New : pag, key, val);
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off = ino[1];
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n -= 2;
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}
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}
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