MonetDB: Oct2020 - Add assert to detect overflow

[Joeri van Ruth]

Changeset: e8124f5055c4 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=e8124f5055c4
Modified Files:
        common/stream/text_stream.c
Branch: Oct2020
Log Message:

Add assert to detect overflow


diffs (11 lines):

diff --git a/common/stream/text_stream.c b/common/stream/text_stream.c
--- a/common/stream/text_stream.c
+++ b/common/stream/text_stream.c
@@ -70,6 +70,7 @@ static void
 put_byte(inner_state_t *ist, char byte)
 {
        *ist->dst_win.start++ = byte;
+       assert(ist->dst_win.count > 0);
        ist->dst_win.count--;
 }
 
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