read bit.db, malloc 4gb - hbb - hyperbitblock
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       ---
   DIR commit ee392dbefab96dd2dbe63530e7e068de0ec1d026
   DIR parent 236aeac8518d659825c5467887e747585508098a
  HTML Author: kroovy <me@kroovy.de>
       Date:   Thu, 24 Apr 2025 00:14:48 +0200
       
       read bit.db, malloc 4gb
       
       Diffstat:
         M hyperbitblock.c                     |      46 +++++++++++++++++++++----------
       
       1 file changed, 32 insertions(+), 14 deletions(-)
       ---
   DIR diff --git a/hyperbitblock.c b/hyperbitblock.c
       @@ -3,6 +3,7 @@
        #include <stdint.h>
        #include <stdio.h>
        #include <stdlib.h>
       +#include <string.h>
        #include <sys/mman.h>
        #include <sys/types.h>
        #include <sys/uio.h>
       @@ -11,11 +12,15 @@
        #include <ctype.h>
        #include <fcntl.h>
        
       -int is_bit_set(unsigned value, unsigned bitindex) {
       +int
       +is_bit_set(unsigned value, unsigned bitindex)
       +{
            return (value & (1 << bitindex)) != 0;
        }
        
       -int str_to_ip(char *s, uint8_t *v4) {
       +int
       +str_to_ip(char *s, uint8_t *v4)
       +{
            uint8_t oct=0;
            
            int i,j;
       @@ -37,24 +42,32 @@ int str_to_ip(char *s, uint8_t *v4) {
            return 0;
        }
        
       -//    uint8_t v4[] = {
       -//
       -//          0b00000000   /*  18 */
       -//        , 0b00010000   /* 119 */
       -//        , 0b01001000   /*   9 */
       -//        , 0b10101011   /* 193 */
       -//    };
       -
       -int main(void) {
       +int
       +main(void)
       +{
            int fd;
       -    int i, res;
       +    FILE* db;
       +    int i, res, ret=1;
            uint8_t v4[4] = {0,0,0,0};
       +    uint8_t* arr = malloc(4294967296);
            uint32_t i32 = 0;
        
            char c;
            char line[64];
        
            fd = open("mynamedpipe", O_RDWR);
       +    db = fopen("bit.db", "r");
       +
       +    int cnt=0;
       +    while (ret > 0) {
       +        ret = fread(arr, 1024, 1, db);
       +    cnt++;
       +    }
       +
       +    //set some values
       +    arr[1067179] = 255;
       +    arr[309791169] = 255;
       +    arr[3663462608] = 255;
        
        nextline:
            for (i=0; (res = read(fd, &c, 1)) > 0; i++) { //consider readline/getline
       @@ -65,11 +78,16 @@ nextline:
                }
                c = '\0';
            }
       +    if (strncmp(line, "q", 1) == 0) {
       +        free(arr);
       +    return 0;
       +    }
       +
            str_to_ip(line, v4);
            i32 = (v4[0] << 24) | (v4[1] << 16) | (v4[2] << 8) | v4[3];
       -    printf("My IP is: %u.%u.%u.%u | ",v4[0],v4[1],v4[2],v4[3]);
       -    printf("That calculates to: %u\n",i32);
       +    printf("%u.%u.%u.%u\t-->\t%u\t-->\t%u\n",v4[0],v4[1],v4[2],v4[3],i32,arr[i32]);
            goto nextline;
        
            close(fd);
       +    fclose(db);
        }