Writing strings to a file : File Write « File « C / ANSI-C






  1. C / ANSI-C
  2. File
  3. File Write

Writing strings to a file

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define BUFFER_SIZE 50

int main()
{
  FILE *pFile = NULL;
  char *filename = "C:\\myfile.txt";
  char buffer[80] = "asdf";
  int buffer_size = BUFFER_SIZE;

  size_t str_length = 0;

  pFile = fopen(filename, "w");
  if(pFile == NULL)
  {
    printf("Error opening %s for writing. Program terminated.", filename);
    abort();
  }

  str_length = strlen(buffer);
  fwrite(&str_length, sizeof(size_t), 1, pFile);
  fwrite(buffer, str_length, 1, pFile);

  fclose(pFile);
  printf("\nFile write complete\n");
  if(buffer != NULL)
    free(buffer);
 }








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