myst_color.h myst_color.c

myst_color.h

/*  myst_color.h                            

 *  written by Myst Shen on Sep. 16, 2008.   

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

typedef struct data {
  int val;
  char *color;
  struct data *next;
} NODE;

NODE *head, *tail, *p;

extern NODE * init(FILE *fp);
extern char * rand_color(int num);

extern int print(NODE *p);

myst_color.c

/*  myst_color.c  

 *  written by Myst Shen on Sep. 16, 2008.  

 */

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "myst_color.h"

int ch, c, num;
char *rcolor;
FILE *fp;

NODE * init (FILE *fp){
  head=(NODE *)malloc(sizeof(NODE));
  head->next = NULL;
  tail = head;
  while (1){
    c = fgetc(fp);
    if( c == EOF ) break;
    p=(NODE *)malloc(sizeof(NODE));
    p->val = c;
    p->next = NULL;
    tail->next = p;
    tail = p;
  }
  return head;
}

char * rand_color (int num) {
  int num1, num2;
  char *color[] = {
    "\33[1;31m",
    "\33[1;32m",
    "\33[1;33m",
    "\33[1;34m",
    "\33[1;35m",
    "\33[1;36m",
    "\33[1;37m",
    "\33[0;31m",
    "\33[0;32m",
    "\33[0;33m",
    "\33[0;34m",
    "\33[0;35m",
    "\33[0;36m",
    "\33[0;37m"
  };

  srand((unsigned)time(NULL));
  num1 = rand()%13 +1;
  num2 = num1 - num;
  rcolor = color[num2];
  return rcolor;
}

int print (NODE *p) {
  while(1){
    p = p->next;
    if ( p == NULL ) break;
    printf("%s", p->color);
    printf("%c", p->val);
  }
  putchar ('\n');
  return 0;
}