| author | Mahlon E. Smith <mahlon@laika.com> |
| Tue, 16 May 2017 22:28:21 -0700 | |
| changeset 23 | eedb2586dea4 |
| parent 16 | e135ccae6783 |
| permissions | -rw-r--r-- |
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e135ccae6783
Migrate hashing functions to C.
Mahlon E. Smith <mahlon@laika.com>
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e135ccae6783
Migrate hashing functions to C.
Mahlon E. Smith <mahlon@laika.com>
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#include <ruby.h> |
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Migrate hashing functions to C.
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static VALUE rb_mEzmlm; |
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static VALUE rb_cEZHash; |
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Migrate hashing functions to C.
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e135ccae6783
Migrate hashing functions to C.
Mahlon E. Smith <mahlon@laika.com>
parents:
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e135ccae6783
Migrate hashing functions to C.
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#ifndef SURF_H |
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#define SURF_H |
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#define ROTATE(x,b) (((x) << (b)) | ((x) >> (32 - (b)))) |
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#define MUSH(i,b) x = t[i] += (((x ^ seed[i]) + sum) ^ ROTATE(x,b)); |
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typedef struct {
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unsigned int seed[32]; |
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unsigned int sum[8]; |
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unsigned int out[8]; |
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unsigned int in[12]; |
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int todo; |
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} surfpcs; |
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static const unsigned int littleendian[8] = {
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0x03020100, 0x07060504, 0x0b0a0908, 0x0f0e0d0c, |
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0x13121110, 0x17161514, 0x1b1a1918, 0x1f1e1d1c |
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} ; |
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#define end ((unsigned char *) &littleendian) |
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#define data ((unsigned char *) s->in) |
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#define outdata ((unsigned char *) s->out) |
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eedb2586dea4
Tag C functions as static to avoid name collisions.
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static void surf( unsigned int out[8], const unsigned int in[12], const unsigned int seed[32] ); |
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static void surfpcs_init( surfpcs *s, const unsigned int k[32] ); |
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static void surfpcs_add( surfpcs *s, const char *x,unsigned int n ); |
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static void surfpcs_addlc( surfpcs *s, const char *x,unsigned int n ); |
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static void surfpcs_out( surfpcs *s, unsigned char h[32] ); |
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#endif |
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e135ccae6783
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Migrate hashing functions to C.
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#ifndef SUBHASH_H |
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#define SUBHASH_H |
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Tag C functions as static to avoid name collisions.
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static unsigned int subhashs(const char *s); |
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eedb2586dea4
Tag C functions as static to avoid name collisions.
Mahlon E. Smith <mahlon@laika.com>
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static unsigned int subhashb(const char *s,long len); |
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e135ccae6783
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#define subhashsa(SA) subhashb((SA)->s,(SA)->len) |
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#endif |
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