1 /* guia08/ej11.c 2 * por Martin J. Klöckner 3 * github.com/klewer-martin 4 */ 5 6 #include <stdio.h> 7 #include <stdlib.h> 8 #include <string.h> 9 10 #define ARR_INIT_SIZE 3 11 #define STR_INIT_SIZE 10 12 13 #define GROWTH_FACTOR 2 14 15 char **split(const char *s, char delim, size_t *fields); 16 17 int main (void) 18 { 19 char csv[] = "Hola,Hello,Hallo,Aloha"; 20 char **arr, d[1]; 21 size_t i, len; 22 23 d[0] = delim; 24 25 if(!(arr = split(csv, ',', &len))) return 1; 26 27 for(i = 0; i <= len; i++) 28 puts(arr[i]); 29 30 while(len + 1) free(arr[len--]); 31 32 free(arr); 33 34 return 0; 35 } 36 37 char **split(const char *s, char delim, size_t *fields) 38 { 39 if(!s || !fields) return NULL; 40 41 char **arr, *p; 42 size_t i, arr_size, str_size; 43 44 arr_size = ARR_INIT_SIZE; 45 str_size = STR_INIT_SIZE; 46 47 if(!(arr = (char **)calloc(sizeof(char *), arr_size))) return NULL; 48 49 if(!(*arr = (char *)calloc(sizeof(char), str_size))) { 50 free(arr); 51 return NULL; 52 } 53 54 *fields = i = 0; 55 while(*p = strtok(s, delim)); 56 57 return arr; 58 }
