1. #include <unistd.h>     /* Symbolic Constants */
  2. #include <sys/types.h>  /* Primitive System Data Types */
  3. #include <errno.h>      /* Errors */
  4. #include <stdio.h>      /* Input/Output */
  5. #include <stdlib.h>     /* General Utilities */
  6. #include <string.h>     /* String handling */
  7. #include <limits.h>
  8. #define NUM_THREADS 10
  9.  
  10. int  BUFF_SIZE = 10;
  11. char *buffer[10];
  12.  
  13.  
  14.  
  15. struct thread_data{
  16. int thread_id;
  17. int start_index;
  18. int end_index;
  19. double average;
  20. };
  21.  
  22. struct thread_data thread_data_array[NUM_THREADS];
  23.  
  24. void load_sharedbuffer(int c, char *file_name){	
  25. 	FILE *file;
  26.  
  27. 	if((file = fopen(file_name, "r"))==NULL)
  28. 	{ 
  29. 	printf("can't open %s\n", "testinput"); exit(1); 
  30. 	} else {
  31.  
  32. 		int i = 0;
  33. 		if (buffer == NULL) perror ("Memory Error");
  34. 		for(i=0; i<BUFF_SIZE; i++)
  35. 			{
  36. 			buffer[i] = (char*) calloc(sizeof(char*),80); 
  37. 			fgets(buffer[i],79, file);
  38. 			}
  39. 		}
  40. 		fclose(file);
  41. 		/*terminate*/
  42.  
  43. }
  44.  
  45.  
  46. int main(int argc, char **argv) {
  47.  
  48. if(argc<2) {load_sharedbuffer(argc,"testinput");}
  49. else load_sharedbuffer(argc, argv[1]);
  50.  
  51.  
  52. int j = 0;
  53. 	for(j=0; j<BUFF_SIZE; j++) printf("%s",buffer[j]);	
  54.  
  55. 	return 0;
  56. }
  57.  
  58.  
  59.  
  60.  
  61.  
  62.  
  63.