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Fill lpcbAvail for PeekNamedPipe.

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Uwe Bonnes 2002-07-25 00:22:03 +00:00 committed by Alexandre Julliard
parent ebc6feb50b
commit 4072c64a1f
1 changed files with 27 additions and 3 deletions
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30
dlls/kernel/sync.c
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@ -21,6 +21,11 @@
#include "config.h"
#include <string.h>
#include <unistd.h>
#include <errno.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#include "winbase.h"
#include "winerror.h"
@ -28,6 +33,7 @@
#include "wine/server.h"
#include "wine/unicode.h"
#include "file.h"
#include "wine/debug.h"
@ -530,9 +536,28 @@ HANDLE WINAPI CreateNamedPipeW( LPCWSTR name, DWORD dwOpenMode,
BOOL WINAPI PeekNamedPipe( HANDLE hPipe, LPVOID lpvBuffer, DWORD cbBuffer,
LPDWORD lpcbRead, LPDWORD lpcbAvail, LPDWORD lpcbMessage )
{
FIXME("(%08x, %p, %08lx, %p, %p, %p): stub\n",
hPipe, lpvBuffer, cbBuffer, lpcbRead, lpcbAvail, lpcbMessage);
int avail=0,fd;
fd = FILE_GetUnixHandle(hPipe, GENERIC_READ);
if (fd == -1)
return FALSE;
/* On linux fstat on pipes doesn't work */
if (ioctl(fd,FIONREAD, &avail ) != 0)
{
TRACE("FIONREAD failed reason: %s\n",strerror(errno));
close(fd);
return FALSE;
}
close(fd);
TRACE(" 0x%08x bytes available\n", avail );
if (!lpvBuffer && lpcbAvail)
{
*lpcbAvail= avail;
return TRUE;
}
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
FIXME("function not implemented\n");
return FALSE;
}
@ -800,4 +825,3 @@ BOOL WINAPI CallNamedPipeW(
lpOutput, lpOutputSize, lpBytesRead, nTimeout);
return FALSE;
}