liblash

A bianry tree implementation used for game development from scratch
git clone git://holbrook.no/liblash.git
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test.c (487B)

      1 #include <stdlib.h>
      2 #include <sys/random.h>
      3 
      4 #include "hex.h"
      5 
      6 int randomData(void *buf, size_t l) {
      7 	ssize_t r;
      8 
      9 	r = getrandom(buf, l, 0);
     10 	if (r != l) {
     11 		return 1;
     12 	}
     13 	return 0;
     14 }
     15 
     16 int randomDataHex(void *buf, ssize_t l) {
     17 	ssize_t lr;
     18 	int r;
     19 	char *rbuf;
     20 
     21 	lr = l / 2;
     22 	rbuf = calloc(sizeof(char), lr);
     23 	r = randomData(rbuf, lr);
     24 	if (r) {
     25 		free(rbuf);
     26 		return r;
     27 	}
     28 	r = toHex(rbuf, lr, (unsigned char*)buf, &l);
     29 	if (r) {
     30 		free(rbuf);
     31 		return 3;
     32 	}
     33 	free(rbuf);
     34 	return 0;
     35 }