/* 
 * iso2utf.c - Converts iso-8859-1 into utf-8
 * 
 * Usage: ./iso2utf <filename>
 * Author: Sean B. Palmer, http://purl.org/net/sbp/
 * License: GPL 2; share and enjoy!
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#define BUFSIZE 4096

int main(int argc, char *argv[]) { 
   int i; 
   FILE *input; 
   unsigned long length; 
   unsigned char bytes[BUFSIZE]; 

   if ((argc == 2) && (strcmp(argv[1], "-") != 1)) 
      fopen(argv[1], "rb"); 
   else input = stdin; 

   if (input == NULL) { 
      perror("iso2utf"); 
      exit(EXIT_FAILURE); 
   }

   while((length = fread(bytes, sizeof(char), BUFSIZE, input))) { 
      for (i=0; i < length; i++) { 
         if (bytes[i] < 0x80) putchar(bytes[i]); 
         else if (bytes[i] < 0xC0) { 
            putchar('\xC2'); 
            putchar(bytes[i]); 
         }
         else {
            putchar('\xC3'); 
            putchar(bytes[i] - 64); 
         }
      }
   }

   if (input != stdin) fclose(input);
   exit(EXIT_SUCCESS);
}