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hash.c (455B)

      1 /* $Id$ */
      2 #include <string.h>
      3 #include "hash.h"
      4 #include <gc.h>
      5 
      6 static unsigned int
      7 hashfunc(char *s)
      8 {
      9     unsigned int h = 0;
     10     while (*s) {
     11 	if (h & 0x80000000) {
     12 	    h <<= 1;
     13 	    h |= 1;
     14 	}
     15 	else
     16 	    h <<= 1;
     17 	h += *s;
     18 	s++;
     19     }
     20     return h;
     21 }
     22 
     23 #define keycomp(x,y) !strcmp(x,y)
     24 
     25 /* *INDENT-OFF* */
     26 defhashfunc(char *, int, si)
     27 defhashfunc(char *, char *, ss)
     28 defhashfunc(char *, void *, sv)
     29 defhashfunc_i(int, void *, iv)
     30 /* *INDENT-ON* */