-static int read_one (FILE *inf, char *name, char *key)
-{
- int c;
- int i = 0;
- do
- {
- if ((c=getc(inf)) == EOF)
- return 0;
- name[i++] = c;
- } while (c);
- for (i = 0; i<KEY_SIZE; i++)
- ((char *)key)[i] = getc (inf);
- ++no_iterations;
- return 1;
-}
-
-static int inp (Dict dict, ISAM isam, const char *name)
-{
- FILE *inf;
- char *info;
- char next_name[INP_NAME_MAX+1];
- char cur_name[INP_NAME_MAX+1];
- int key_buf_size = INP_BUF_START;
- int key_buf_ptr;
- char *next_key;
- char *key_buf;
- int more;
-
- next_key = xmalloc (KEY_SIZE);
- key_buf = xmalloc (key_buf_size * (KEY_SIZE));
- if (!(inf = fopen (name, "r")))
- {
- logf (LOG_FATAL|LOG_ERRNO, "cannot open `%s'", name);
- exit (1);
- }
- more = read_one (inf, cur_name, key_buf);
- while (more) /* EOF ? */
- {
- int nmemb;
- key_buf_ptr = KEY_SIZE;
- while (1)
- {
- if (!(more = read_one (inf, next_name, next_key)))
- break;
- if (*next_name && strcmp (next_name, cur_name))
- break;
- memcpy (key_buf + key_buf_ptr, next_key, KEY_SIZE);
- key_buf_ptr += KEY_SIZE;
- if (key_buf_ptr+KEY_SIZE >= key_buf_size)
- {
- char *new_key_buf;
- new_key_buf = xmalloc (key_buf_size + INP_BUF_ADD);
- memcpy (new_key_buf, key_buf, key_buf_size);
- key_buf_size += INP_BUF_ADD;
- xfree (key_buf);
- key_buf = new_key_buf;
- }
- }
- no_diffs++;
- nmemb = key_buf_ptr / KEY_SIZE;
- assert (nmemb*KEY_SIZE == key_buf_ptr);
- if ((info = dict_lookup (dict, cur_name)))
- {
- ISAM_P isam_p, isam_p2;
- logf (LOG_DEBUG, "updating %s", cur_name);
- no_updates++;
- memcpy (&isam_p, info+1, sizeof(ISAM_P));
- isam_p2 = is_merge (isam, isam_p, nmemb, key_buf);
- if (isam_p2 != isam_p)
- dict_insert (dict, cur_name, sizeof(ISAM_P), &isam_p2);
- }
- else
- {
- ISAM_P isam_p;
- logf (LOG_DEBUG, "inserting %s", cur_name);
- no_insertions++;
- isam_p = is_merge (isam, 0, nmemb, key_buf);
- dict_insert (dict, cur_name, sizeof(ISAM_P), &isam_p);
- }
- memcpy (key_buf, next_key, KEY_SIZE);
- strcpy (cur_name, next_name);
- }
- fclose (inf);
- return 0;
-}
+struct key_file {
+ int no; /* file no */
+ off_t offset; /* file offset */
+ unsigned char *buf; /* buffer block */
+ size_t buf_size; /* number of read bytes in block */
+ size_t chunk; /* number of bytes allocated */
+ size_t buf_ptr; /* current position in buffer */
+ char *prev_name; /* last word read */
+ int sysno; /* last sysno */
+ int seqno; /* last seqno */
+ off_t length; /* length of file */
+ /* handler invoked in each read */
+ void (*readHandler)(struct key_file *keyp, void *rinfo);
+ void *readInfo;
+};