--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idx2index.c	Sun Aug 05 23:06:42 2007 +0200
@@ -0,0 +1,97 @@
+#include <stdio.h>
+#include <netinet/in.h>
+
+/*
+ * idx2index - Part of the flow to convert a StarDict index to a dictd index.
+ *             Author: Lluís Batlle
+ * In order to convert a StarDict idx file to a dictd index file, pass:
+ * ./idx2index < file.idx | LC_ALL=POSIX sort > file.index
+ * */
+
+static char num_to_ia5char(int n)
+{
+    /* From RFC 1421 */
+    if (n >= 0 && n <= 25)
+        return 'A' + n;
+    else if (n >= 26 && n <= 51)
+        return 'a' + (n - 26);
+    else if (n >= 52 && n <= 61)
+        return '0' + (n - 52);
+    else if (n == 62)
+        return '+';
+    else if (n == 63)
+        return '-';
+    else
+        return '!'; /* Error */
+}
+
+static int num_to_ia5(char *dest, int n)
+{
+    char tmp[20];
+
+    int i, max;
+   
+    for(i =0; i <= 10; ++i)
+    {
+        tmp[i] = num_to_ia5char(n % 64);
+        if (n < 64)
+            break;
+        n /= 64;
+    }
+
+    max = i;
+
+    /* reverse the number */
+    for (i=0; i<=max; ++i)
+        dest[i] = tmp[max-i];
+
+    /* Ending '\0' */
+    dest[max+1] = '\0';
+    return max;
+}
+
+static int get_int()
+{
+    int i;
+    fread(&i, sizeof(int) , 1, stdin);
+    i = ntohl(i); /* Network to Host order */
+    return i;
+}
+
+static int get_word(char * word)
+{
+    int c;
+    int count = 0;
+
+    do
+    {
+        c = getchar();
+        if (c == EOF)
+            break;
+        word[count] = (char) c;
+        ++count;
+    } while (c != 0);
+    return count;
+}
+
+int main()
+{
+    char word[256];
+
+    do
+    {
+        int offset, length;
+        int res;
+        char c_offset[20], c_length[20];
+
+        res = get_word(word);
+        if (res == 0)
+            break;
+        offset = get_int();
+        num_to_ia5(c_offset, offset);
+        length = get_int();
+        num_to_ia5(c_length, length);
+        printf("%s\t%s\t%s\n", word, c_offset, c_length);
+    } while(1);
+    return 0;
+}