kwenzh commented on code in PR #3635:
URL: https://github.com/apache/avro/pull/3635#discussion_r2734506487
##########
lang/c/src/io.c:
##########
@@ -274,6 +274,20 @@ int avro_read(avro_reader_t reader, void *buf, int64_t len)
return EINVAL;
}
+
+int64_t avro_max_read(avro_reader_t reader)
+{
+ if (is_memory_io(reader)) {
+ struct _avro_reader_memory_t *mem_reader =
avro_reader_to_memory(reader);
+ return mem_reader->len - mem_reader->read;
+ } else if (is_file_io(reader)) {
+ struct _avro_reader_file_t *file_reader =
avro_reader_to_file(reader);
+ return bytes_available(file_reader);
Review Comment:
sorry， I haven't found a way to get the remaining buffer length for file
I/O. My goal is to check the maximum readable length before malloc to avoid
memory leaks caused by the length exceeding the limit during avro_read_memory
checks. Are there any other good solutions?
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