msvcrt: Fix lookahead buffer usage on pipes.

This commit is contained in:
Piotr Caban 2013-08-21 13:52:26 +02:00 committed by Alexandre Julliard
parent f42c631d6e
commit 089cc78182
2 changed files with 15 additions and 6 deletions

View File

@ -2570,10 +2570,18 @@ static int read_i(int fd, void *buf, unsigned int count)
} }
if (fdinfo->wxflag & (WX_PIPE | WX_NOSEEK)) if (fdinfo->wxflag & (WX_PIPE | WX_NOSEEK))
{
if (lookahead[0]=='\n' && (!utf16 || !lookahead[1]))
{
bufstart[j++] = '\n';
if (utf16) bufstart[j++] = 0;
}
else
{ {
fdinfo->lookahead[0] = lookahead[0]; fdinfo->lookahead[0] = lookahead[0];
fdinfo->lookahead[1] = lookahead[1]; fdinfo->lookahead[1] = lookahead[1];
} }
}
else else
SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT); SetFilePointer(fdinfo->handle, -1-utf16, NULL, FILE_CURRENT);
} }

View File

@ -2032,8 +2032,8 @@ static void test_pipes(const char* selfname)
ok(0, "pipe failed with errno %d\n", errno); ok(0, "pipe failed with errno %d\n", errno);
return; return;
} }
r = write(pipes[1], "\r\n\rab", 5); r = write(pipes[1], "\r\n\rab\r\n", 7);
ok(r == 5, "write returned %d, errno = %d\n", r, errno); ok(r == 7, "write returned %d, errno = %d\n", r, errno);
setmode(pipes[0], O_TEXT); setmode(pipes[0], O_TEXT);
r = read(pipes[0], buf, 1); r = read(pipes[0], buf, 1);
ok(r == 1, "read returned %d, expected 1\n", r); ok(r == 1, "read returned %d, expected 1\n", r);
@ -2044,9 +2044,10 @@ static void test_pipes(const char* selfname)
r = read(pipes[0], buf, 1); r = read(pipes[0], buf, 1);
ok(r == 1, "read returned %d, expected 1\n", r); ok(r == 1, "read returned %d, expected 1\n", r);
ok(buf[0] == 'a', "buf[0] = %x, expected 'a'\n", buf[0]); ok(buf[0] == 'a', "buf[0] = %x, expected 'a'\n", buf[0]);
r = read(pipes[0], buf, 1); r = read(pipes[0], buf, 2);
ok(r == 1, "read returned %d, expected 1\n", r); ok(r == 2, "read returned %d, expected 1\n", r);
ok(buf[0] == 'b', "buf[0] = %x, expected 'b'\n", buf[0]); ok(buf[0] == 'b', "buf[0] = %x, expected 'b'\n", buf[0]);
ok(buf[1] == '\n', "buf[1] = %x, expected '\\n'\n", buf[1]);
if (p_fopen_s) if (p_fopen_s)
{ {