pgsql: Null-terminate the output buffer of LZ4Stream_gets

Null-terminate the output buffer of LZ4Stream_gets

LZ4Stream_gets did not null-terminate its output buffer. The callers expected
the buffer to be null-terminated and passed it around to functions such as
sscanf with unintended consequences.

Author: Georgios Kokolatos <gkokolatos@pm.me>
Reported-by: Alexander Lakhin <exclusion@gmail.com>
Discussion: https://postgr.es/m/94ae9bca-5ebb-1e68-bb7b-4f32e89fefbe@gmail.com

Branch
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master

Details
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https://git.postgresql.org/pg/commitdiff/3c18d90f8907e53c3021fca13ad046133c480e4d

Modified Files
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src/bin/pg_dump/compress_lz4.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)