Simple C program to load a file

load.c

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

int main(int argc, char **argv) {
  if (argc < 2) {
    perror("provide a file argument");
  }
  FILE *pFile = fopen(argv[1], "rb");
  if (pFile == NULL)
    perror("Error opening file");
  else {
    if (fseek(pFile, 0, SEEK_END) < 0) {
      perror("cannot seek the end of the file");
      if (fclose(pFile) != 0) {
        perror("can't close");
      }
      return EXIT_FAILURE;
    } else {
      long size = ftell(pFile);
      printf("Size of %s: %ld bytes.\n", argv[1], size);
      rewind(pFile);
      char *buffer = (char *)malloc(size);
      if (buffer == NULL) {
        perror("can't allocate");
      } else {
        size_t bytes_read = fread(buffer, 1, size, pFile);
        printf("Read: %zu bytes.\n", bytes_read);
        free(buffer);
      }
      if (fclose(pFile) != 0) {
        perror("can't close");
        return EXIT_FAILURE;
      }
    }
  }
  printf("Completed succesfully\n");
  return EXIT_SUCCESS;
}