return true;
}
-ssize_t
+intptr_t
blob_reserve_bytes(struct blob *blob, size_t to_write)
{
- ssize_t ret;
+ intptr_t ret;
if (! grow_to_fit (blob, to_write))
return -1;
return ret;
}
-ssize_t
+intptr_t
blob_reserve_uint32(struct blob *blob)
{
align_blob(blob, sizeof(uint32_t));
return blob_reserve_bytes(blob, sizeof(uint32_t));
}
-ssize_t
+intptr_t
blob_reserve_intptr(struct blob *blob)
{
align_blob(blob, sizeof(intptr_t));
if (blob->overrun)
return false;
- if (blob->current < blob->end && blob->end - blob->current >= size)
+ if (blob->current <= blob->end && blob->end - blob->current >= size)
return true;
blob->overrun = true;
memcpy(dest, bytes, size);
}
+void
+blob_skip_bytes(struct blob_reader *blob, size_t size)
+{
+ if (ensure_can_read (blob, size))
+ blob->current += size;
+}
+
/* These next three read functions have identical form. If we add any beyond
* these first three we should probably switch to generating these with a
* preprocessor macro.