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Merge pull request #3875 from 1480c1/wine/detect_msys_tty

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winansi: check result before using Name for pty
This commit is contained in:
Johannes Schindelin 2022-05-30 20:18:05 +02:00
commit 2cc0e4cba1
1 changed files with 3 additions and 0 deletions
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3
compat/winansi.c
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@ -575,6 +575,9 @@ static void detect_msys_tty(int fd)
if (!NT_SUCCESS(NtQueryObject(h, ObjectNameInformation,
buffer, sizeof(buffer) - 2, &result)))
return;
if (result < sizeof(*nameinfo) || !nameinfo->Name.Buffer ||
!nameinfo->Name.Length)
return;
name = nameinfo->Name.Buffer;
name[nameinfo->Name.Length / sizeof(*name)] = 0;