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msvcirt: Implement istream::putback. 

Signed-off-by: Iván Matellanes <matellanes.ivan@gmail.com>
Signed-off-by: Piotr Caban <piotr@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Iván Matellanes 2016-07-18 16:00:19 +01:00 committed by Alexandre Julliard
parent 7fff7ec8bf
commit 25a02cc4a9
2 changed files with 51 additions and 1 deletions
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11
dlls/msvcirt/msvcirt.c
View File

@ -3301,7 +3301,16 @@ int __thiscall istream_peek(istream *this)
DEFINE_THISCALL_WRAPPER(istream_putback, 8)
istream* __thiscall istream_putback(istream *this, char ch)
{
FIXME("(%p %c) stub\n", this, ch);
ios *base = istream_get_ios(this);
TRACE("(%p %c)\n", this, ch);
if (ios_good(base)) {
ios_lockbuf(base);
if (streambuf_sputbackc(base->sb, ch) == EOF)
ios_clear(base, base->state | IOSTATE_failbit);
ios_unlockbuf(base);
}
return this;
}

41
dlls/msvcirt/tests/msvcirt.c
View File

@ -319,6 +319,7 @@ static istream* (*__thiscall p_istream_get_sb)(istream*, streambuf*, char);
static istream* (*__thiscall p_istream_getline)(istream*, char*, int, char);
static istream* (*__thiscall p_istream_ignore)(istream*, int, int);
static int (*__thiscall p_istream_peek)(istream*);
static istream* (*__thiscall p_istream_putback)(istream*, char);
/* Emulate a __thiscall */
#ifdef __i386__
@ -526,6 +527,7 @@ static BOOL init(void)
SET(p_istream_getline, "?getline@istream@@QEAAAEAV1@PEADHD@Z");
SET(p_istream_ignore, "?ignore@istream@@QEAAAEAV1@HH@Z");
SET(p_istream_peek, "?peek@istream@@QEAAHXZ");
SET(p_istream_putback, "?putback@istream@@QEAAAEAV1@D@Z");
} else {
p_operator_new = (void*)GetProcAddress(msvcrt, "??2@YAPAXI@Z");
p_operator_delete = (void*)GetProcAddress(msvcrt, "??3@YAXPAX@Z");
@ -655,6 +657,7 @@ static BOOL init(void)
SET(p_istream_getline, "?getline@istream@@QAEAAV1@PADHD@Z");
SET(p_istream_ignore, "?ignore@istream@@QAEAAV1@HH@Z");
SET(p_istream_peek, "?peek@istream@@QAEHXZ");
SET(p_istream_putback, "?putback@istream@@QAEAAV1@D@Z");
}
SET(p_ios_static_lock, "?x_lockc@ios@@0U_CRT_CRITICAL_SECTION@@A");
SET(p_ios_lockc, "?lockc@ios@@KAXXZ");
@ -4385,6 +4388,44 @@ if (0) /* crashes on native */
ok(is1.base_ios.state == IOSTATE_goodbit, "expected %d got %d\n", IOSTATE_goodbit, is1.base_ios.state);
ok(fb1.base.gptr == NULL, "wrong get pointer, expected %p got %p\n", NULL, fb1.base.gptr);
/* putback */
is1.base_ios.state = IOSTATE_goodbit;
pis = call_func2(p_istream_putback, &is1, 'a');
ok(pis == &is1, "wrong return, expected %p got %p\n", &is1, pis);
ok(is1.base_ios.state == IOSTATE_goodbit, "expected %d got %d\n", IOSTATE_goodbit, is1.base_ios.state);
ok(fb1.base.gptr == NULL, "wrong get pointer, expected %p got %p\n", NULL, fb1.base.gptr);
fd = fb1.fd;
fb1.fd = -1;
pis = call_func2(p_istream_putback, &is1, 'a');
ok(pis == &is1, "wrong return, expected %p got %p\n", &is1, pis);
ok(is1.base_ios.state == IOSTATE_failbit, "expected %d got %d\n", IOSTATE_failbit, is1.base_ios.state);
fb1.fd = fd;
fb1.base.eback = fb1.base.base;
fb1.base.gptr = fb1.base.base + 15;
fb1.base.egptr = fb1.base.base + 30;
pis = call_func2(p_istream_putback, &is1, -40);
ok(pis == &is1, "wrong return, expected %p got %p\n", &is1, pis);
ok(is1.base_ios.state == IOSTATE_failbit, "expected %d got %d\n", IOSTATE_failbit, is1.base_ios.state);
ok(fb1.base.gptr == fb1.base.base + 15, "wrong get pointer, expected %p got %p\n", fb1.base.base + 15, fb1.base.gptr);
is1.base_ios.state = IOSTATE_badbit;
pis = call_func2(p_istream_putback, &is1, -40);
ok(pis == &is1, "wrong return, expected %p got %p\n", &is1, pis);
ok(is1.base_ios.state == IOSTATE_badbit, "expected %d got %d\n", IOSTATE_badbit, is1.base_ios.state);
ok(fb1.base.gptr == fb1.base.base + 15, "wrong get pointer, expected %p got %p\n", fb1.base.base + 15, fb1.base.gptr);
is1.base_ios.state = IOSTATE_eofbit;
pis = call_func2(p_istream_putback, &is1, -40);
ok(pis == &is1, "wrong return, expected %p got %p\n", &is1, pis);
ok(is1.base_ios.state == IOSTATE_eofbit, "expected %d got %d\n", IOSTATE_eofbit, is1.base_ios.state);
ok(fb1.base.gptr == fb1.base.base + 15, "wrong get pointer, expected %p got %p\n", fb1.base.base + 15, fb1.base.gptr);
is1.base_ios.state = IOSTATE_goodbit;
if (0) /* crashes on native */
is1.base_ios.sb = NULL;
pis = call_func2(p_istream_putback, &is1, -40);
ok(pis == &is1, "wrong return, expected %p got %p\n", &is1, pis);
ok(is1.base_ios.state == IOSTATE_goodbit, "expected %d got %d\n", IOSTATE_goodbit, is1.base_ios.state);
ok(fb1.base.gptr == fb1.base.base + 14, "wrong get pointer, expected %p got %p\n", fb1.base.base + 14, fb1.base.gptr);
ok(*fb1.base.gptr == -40, "expected -40 got %d\n", *fb1.base.gptr);
call_func1(p_istream_vbase_dtor, &is1);
call_func1(p_istream_vbase_dtor, &is2);
call_func1(p_ostream_vbase_dtor, &os);