+static int inflateRecord(char *buffer, size_t len, char **out, size_t *olen)
+{
+ z_stream zstrm;
+ int r;
+ zstrm.zalloc = Z_NULL;
+ zstrm.zfree = Z_NULL;
+ zstrm.opaque = Z_NULL;
+ if ((r = inflateInit(&zstrm)) != Z_OK)
+ return -1;
+ *olen = (buffer[3] << 8 & buffer[4]);
+ *out = malloc(*olen);
+ if (!out) {
+ inflateEnd(&zstrm);
+ return -1;
+ }
+ zstrm.next_in = buffer + 6;
+ zstrm.avail_in = len - 6;
+ zstrm.next_out = *out;
+ zstrm.avail_out = *olen;
+ while ((r = inflate(&zstrm, Z_FINISH)) != Z_STREAM_END &&
+ zstrm.avail_out > 0);
+ if ((r = inflate(&zstrm, Z_FINISH)) != Z_STREAM_END) {
+ inflateEnd(&zstrm);
+ free(*out);
+ return -1;
+ }
+ inflateEnd(&zstrm);
+ return 0;
+}
+