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author | James Ross-Gowan <rossy@jrg.systems> | 2017-07-29 21:13:07 +1000 |
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committer | James Ross-Gowan <rossy@jrg.systems> | 2017-07-29 21:13:07 +1000 |
commit | 28e3618e79ba027c28d2d651675f987b4347dfa9 (patch) | |
tree | 7c8b0a6314290a583c69e63cc1ba10285916fa8a /osdep/subprocess-win.c | |
parent | df12f7691026a6012d4bd359919d63a1bd1a9cf6 (diff) | |
download | mpv-28e3618e79ba027c28d2d651675f987b4347dfa9.tar.bz2 mpv-28e3618e79ba027c28d2d651675f987b4347dfa9.tar.xz |
subprocess-win: fix swprintf usage
The count parameter refers to the number of wide-characters to write to
the buffer (including the terminating NUL character, which is always
added,) not the number of bytes. See C99 7.24.2.3 or
https://msdn.microsoft.com/en-us/library/ybk95axf.aspx
Diffstat (limited to 'osdep/subprocess-win.c')
-rw-r--r-- | osdep/subprocess-win.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/osdep/subprocess-win.c b/osdep/subprocess-win.c index c662fb6301..5df09cda78 100644 --- a/osdep/subprocess-win.c +++ b/osdep/subprocess-win.c @@ -112,7 +112,8 @@ static int create_overlapped_pipe(HANDLE *read, HANDLE *write) unsigned long id = atomic_fetch_add(&counter, 1); unsigned pid = GetCurrentProcessId(); wchar_t buf[36]; - swprintf(buf, sizeof(buf), L"\\\\.\\pipe\\mpv-anon-%08x-%08lx", pid, id); + swprintf(buf, MP_ARRAY_SIZE(buf), L"\\\\.\\pipe\\mpv-anon-%08x-%08lx", + pid, id); // The function for creating anonymous pipes (CreatePipe) can't create // overlapped pipes, so instead, use a named pipe with a unique name |