fork(1) download
copy 
  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. int AddString(char*** strings, size_t* count, const char* newStr)
  6. {
  7.   char* copy;
  8.   char** p;
  9.  
  10.   if (strings == NULL ||
  11.       newStr == NULL ||
  12.       (copy = malloc(strlen(newStr) + 1)) == NULL)
  13.     return 0;
  14.  
  15.   strcpy(copy, newStr);
  16.  
  17.   if ((p = realloc(*strings, (*count + 1) * sizeof(char*))) == NULL)
  18.   {
  19.     free(copy);
  20.     return 0;
  21.   }
  22.  
  23.   *strings = p;
  24.  
  25.   (*strings)[(*count)++] = copy;
  26.  
  27.   return 1;
  28. }
  29.  
  30. void PrintStrings(char** strings, size_t count)
  31. {
  32.   printf("BEGIN\n");
  33.   if (strings != NULL)
  34.     while (count--)
  35.       printf("  %s\n", *strings++);
  36.   printf("END\n");
  37. }
  38.  
  39. int main(void)
  40. {
  41.   char** strings = NULL;
  42.   size_t count = 0;
  43.   PrintStrings(strings, count);
  44.   AddString(&strings, &count, "Hello World!");
  45.   PrintStrings(strings, count);
  46.   AddString(&strings, &count, "123");
  47.   AddString(&strings, &count, "ABCDEF");
  48.   PrintStrings(strings, count);
  49.   return 0;
  50. }
  51.  
Success #stdin #stdout 0s 1920KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
BEGIN
END
BEGIN
  Hello World!
END
BEGIN
  Hello World!
  123
  ABCDEF
END
https://ideone.com/JQChwT
language:
C99 (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!