register.c

   1 #include <stdlib.h>
   2 #include <string.h>
   3
   4 #include "register.h"
   5 #include "buffer.h"
   6 #include "text.h"
   7 #include "util.h"
   8
   9 void register_release(Register *reg) {
  10         buffer_release((Buffer*)reg);
  11 }
  12
  13 bool register_put(Register *reg, Text *txt, Filerange *range) {
  14         size_t len = range->end - range->start;
  15         if (!buffer_grow((Buffer*)reg, len))
  16                 return false;
  17         reg->len = text_bytes_get(txt, range->start, len, reg->data);
  18         return true;
  19 }
  20
  21 bool register_append(Register *reg, Text *txt, Filerange *range) {
  22         size_t rem = reg->size - reg->len;
  23         size_t len = range->end - range->start;
  24         if (len > rem && !buffer_grow((Buffer*)reg, reg->size + len - rem))
  25                 return false;
  26         reg->len += text_bytes_get(txt, range->start, len, reg->data + reg->len);
  27         return true;
  28 }