Contents

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#include "nucleotide_count.h"

char *count(const char *dna_strand)
{
   bool invalid_char = false;
   size_t index;
   size_t nucleotide_a_count = 0;
   size_t nucleotide_c_count = 0;
   size_t nucleotide_g_count = 0;
   size_t nucleotide_t_count = 0;
   char *count_results = calloc(1, 50);

   for (index = 0; (index < strlen(dna_strand)) && (invalid_char == false);
        index++) {
      switch (dna_strand[index]) {
      case 'A':
         nucleotide_a_count++;
         break;
      case 'C':
         nucleotide_c_count++;
         break;
      case 'G':
         nucleotide_g_count++;
         break;
      case 'T':
         nucleotide_t_count++;
         break;
      default:
         invalid_char = true;
         break;
      }
   }

   if (!invalid_char) {
      sprintf(count_results, "A:%zd C:%zd G:%zd T:%zd", nucleotide_a_count,
              nucleotide_c_count, nucleotide_g_count, nucleotide_t_count);
   }
   return count_results;
}

Version data entries

25 entries across 25 versions & 1 rubygems

Version	Path
trackler-2.2.1.70	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.69	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.68	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.67	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.66	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.65	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.64	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.63	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.62	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.61	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.60	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.59	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.58	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.57	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.56	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.55	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.54	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.53	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.52	tracks/c/exercises/nucleotide-count/src/example.c
trackler-2.2.1.51	tracks/c/exercises/nucleotide-count/src/example.c