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msvcirt: Implement istream::peek. 

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 16:00:18 +01:00 committed by Alexandre Julliard
parent 31e2d23b46
commit 7fff7ec8bf
2 changed files with 49 additions and 2 deletions
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12
dlls/msvcirt/msvcirt.c
View File

@ -3284,8 +3284,16 @@ istream* __thiscall istream_ignore(istream *this, int count, int delim)
DEFINE_THISCALL_WRAPPER(istream_peek, 4)
int __thiscall istream_peek(istream *this)
{
FIXME("(%p) stub\n", this);
return 0;
ios *base = istream_get_ios(this);
int ret = EOF;
TRACE("(%p)\n", this);
if (istream_ipfx(this, 1)) {
ret = streambuf_sgetc(base->sb);
istream_isfx(this);
}
return ret;
}
/* ?putback@istream@@QAEAAV1@D@Z */

39
dlls/msvcirt/tests/msvcirt.c
View File

@ -318,6 +318,7 @@ static istream* (*__thiscall p_istream_get_char)(istream*, char*);
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*);
/* Emulate a __thiscall */
#ifdef __i386__
@ -524,6 +525,7 @@ static BOOL init(void)
SET(p_istream_get_sb, "?get@istream@@QEAAAEAV1@AEAVstreambuf@@D@Z");
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");
} else {
p_operator_new = (void*)GetProcAddress(msvcrt, "??2@YAPAXI@Z");
p_operator_delete = (void*)GetProcAddress(msvcrt, "??3@YAXPAX@Z");
@ -652,6 +654,7 @@ static BOOL init(void)
SET(p_istream_get_sb, "?get@istream@@QAEAAV1@AAVstreambuf@@D@Z");
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_ios_static_lock, "?x_lockc@ios@@0U_CRT_CRITICAL_SECTION@@A");
SET(p_ios_lockc, "?lockc@ios@@KAXXZ");
@ -4346,6 +4349,42 @@ if (0) /* crashes on native */
ok(is1.base_ios.state == IOSTATE_eofbit, "expected %d got %d\n", IOSTATE_eofbit, is1.base_ios.state);
ok(fb1.base.gptr == NULL, "wrong get pointer, expected %p got %p\n", NULL, fb1.base.gptr);
/* peek */
is1.count = 0xabababab;
ret = (int) call_func1(p_istream_peek, &is1);
ok(ret == EOF, "expected -1 got %d\n", ret);
ok(is1.count == 0, "expected 0 got %d\n", is1.count);
ok(is1.base_ios.state == (IOSTATE_eofbit|IOSTATE_failbit), "expected %d got %d\n",
IOSTATE_eofbit|IOSTATE_failbit, is1.base_ios.state);
is1.count = 0xabababab;
is1.base_ios.state = IOSTATE_goodbit;
ret = (int) call_func1(p_istream_peek, &is1);
ok(ret == EOF, "expected -1 got %d\n", ret);
ok(is1.count == 0, "expected 0 got %d\n", is1.count);
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);
fb1.base.eback = fb1.base.gptr = fb1.base.base;
fb1.base.egptr = fb1.base.base + 30;
ret = (int) call_func1(p_istream_peek, &is1);
ok(ret == ' ', "expected ' ' got %d\n", ret);
ok(is1.count == 0, "expected 0 got %d\n", is1.count);
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, "wrong get pointer, expected %p got %p\n", fb1.base.base, fb1.base.gptr);
if (0) /* crashes on native */
is1.base_ios.sb = NULL;
fb1.base.gptr = fb1.base.base + 14;
ret = (int) call_func1(p_istream_peek, &is1);
ok(ret == 206, "expected 206 got %d\n", ret);
ok(is1.count == 0, "expected 0 got %d\n", is1.count);
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);
fb1.base.gptr = fb1.base.base + 30;
ret = (int) call_func1(p_istream_peek, &is1);
ok(ret == EOF, "expected -1 got %d\n", ret);
ok(is1.count == 0, "expected 0 got %d\n", is1.count);
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);
call_func1(p_istream_vbase_dtor, &is1);
call_func1(p_istream_vbase_dtor, &is2);
call_func1(p_ostream_vbase_dtor, &os);