msvcirt: Improve implementation of streambuf::pbackfail.
Signed-off-by: Iván Matellanes <matellanesivan@gmail.com> Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
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6aa589e854
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b34b65e462
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@ -501,18 +501,6 @@ int __thiscall streambuf_overflow(streambuf *this, int c)
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return EOF;
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}
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/* ?pbackfail@streambuf@@UAEHH@Z */
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/* ?pbackfail@streambuf@@UEAAHH@Z */
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DEFINE_THISCALL_WRAPPER(streambuf_pbackfail, 8)
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#define call_streambuf_pbackfail(this, c) CALL_VTBL_FUNC(this, 36, int, (streambuf*, int), (this, c))
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int __thiscall streambuf_pbackfail(streambuf *this, int c)
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{
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TRACE("(%p %d)\n", this, c);
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if (this->gptr <= this->eback)
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return EOF;
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return *--this->gptr = c;
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}
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/* ?seekoff@streambuf@@UAEJJW4seek_dir@ios@@H@Z */
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/* ?seekoff@streambuf@@UEAAJJW4seek_dir@ios@@H@Z */
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DEFINE_THISCALL_WRAPPER(streambuf_seekoff, 16)
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@ -532,6 +520,25 @@ streampos __thiscall streambuf_seekpos(streambuf *this, streampos pos, int mode)
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return call_streambuf_seekoff(this, pos, SEEKDIR_beg, mode);
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}
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/* ?pbackfail@streambuf@@UAEHH@Z */
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/* ?pbackfail@streambuf@@UEAAHH@Z */
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DEFINE_THISCALL_WRAPPER(streambuf_pbackfail, 8)
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#define call_streambuf_pbackfail(this, c) CALL_VTBL_FUNC(this, 36, int, (streambuf*, int), (this, c))
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int __thiscall streambuf_pbackfail(streambuf *this, int c)
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{
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TRACE("(%p %d)\n", this, c);
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if (this->gptr > this->eback)
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return *--this->gptr = c;
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if (call_streambuf_seekoff(this, -1, SEEKDIR_cur, OPENMODE_in) == EOF)
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return EOF;
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if (!this->unbuffered && this->egptr) {
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/* 'c' should be the next character read */
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memmove(this->gptr + 1, this->gptr, this->egptr - this->gptr - 1);
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*this->gptr = c;
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}
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return c;
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}
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/* ?setb@streambuf@@IAEXPAD0H@Z */
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/* ?setb@streambuf@@IEAAXPEAD0H@Z */
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DEFINE_THISCALL_WRAPPER(streambuf_setb, 16)
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@ -1562,8 +1569,8 @@ int __thiscall stdiobuf_overflow(stdiobuf *this, int c)
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DEFINE_THISCALL_WRAPPER(stdiobuf_pbackfail, 8)
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int __thiscall stdiobuf_pbackfail(stdiobuf *this, int c)
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{
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FIXME("(%p %d) stub\n", this, c);
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return EOF;
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TRACE("(%p %d)\n", this, c);
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return streambuf_pbackfail(&this->base, c);
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}
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/* ?seekoff@stdiobuf@@UAEJJW4seek_dir@ios@@H@Z */
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@ -210,6 +210,7 @@ static int (*__thiscall p_strstreambuf_underflow)(strstreambuf*);
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static stdiobuf* (*__thiscall p_stdiobuf_file_ctor)(stdiobuf*, FILE*);
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static void (*__thiscall p_stdiobuf_dtor)(stdiobuf*);
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static int (*__thiscall p_stdiobuf_overflow)(stdiobuf*, int);
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static int (*__thiscall p_stdiobuf_pbackfail)(stdiobuf*, int);
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static streampos (*__thiscall p_stdiobuf_seekoff)(stdiobuf*, streamoff, ios_seek_dir, int);
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static int (*__thiscall p_stdiobuf_setrwbuf)(stdiobuf*, int, int);
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static int (*__thiscall p_stdiobuf_sync)(stdiobuf*);
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@ -376,6 +377,7 @@ static BOOL init(void)
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SET(p_stdiobuf_file_ctor, "??0stdiobuf@@QEAA@PEAU_iobuf@@@Z");
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SET(p_stdiobuf_dtor, "??1stdiobuf@@UEAA@XZ");
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SET(p_stdiobuf_overflow, "?overflow@stdiobuf@@UEAAHH@Z");
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SET(p_stdiobuf_pbackfail, "?pbackfail@stdiobuf@@UEAAHH@Z");
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SET(p_stdiobuf_seekoff, "?seekoff@stdiobuf@@UEAAJJW4seek_dir@ios@@H@Z");
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SET(p_stdiobuf_setrwbuf, "?setrwbuf@stdiobuf@@QEAAHHH@Z");
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SET(p_stdiobuf_sync, "?sync@stdiobuf@@UEAAHXZ");
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@ -462,6 +464,7 @@ static BOOL init(void)
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SET(p_stdiobuf_file_ctor, "??0stdiobuf@@QAE@PAU_iobuf@@@Z");
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SET(p_stdiobuf_dtor, "??1stdiobuf@@UAE@XZ");
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SET(p_stdiobuf_overflow, "?overflow@stdiobuf@@UAEHH@Z");
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SET(p_stdiobuf_pbackfail, "?pbackfail@stdiobuf@@UAEHH@Z");
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SET(p_stdiobuf_seekoff, "?seekoff@stdiobuf@@UAEJJW4seek_dir@ios@@H@Z");
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SET(p_stdiobuf_setrwbuf, "?setrwbuf@stdiobuf@@QAEHHH@Z");
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SET(p_stdiobuf_sync, "?sync@stdiobuf@@UAEHXZ");
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@ -1432,6 +1435,38 @@ static void test_filebuf(void)
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ret = (int) call_func4(p_filebuf_seekoff, &fb1, 16, SEEKDIR_beg, 0);
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ok(ret == 16, "wrong return, expected 16 got %d\n", ret);
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/* pbackfail */
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ret = (int) call_func2(p_streambuf_pbackfail, &fb1.base, 'B');
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ok(ret == 'B', "wrong return, expected 'B' got %d\n", ret);
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ok(fb1.base.gptr == NULL, "wrong get pointer, expected %p got %p\n", NULL, fb1.base.gptr);
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ok(fb1.base.pptr == NULL, "wrong put pointer, expected %p got %p\n", NULL, fb1.base.pptr);
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ok(_tell(fb1.fd) == 15, "_tell failed\n");
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fb1.base.eback = fb1.base.gptr = fb1.base.base;
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fb1.base.egptr = fb1.base.pbase = fb1.base.pptr = fb1.base.base + 256;
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fb1.base.epptr = fb1.base.ebuf;
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ret = (int) call_func2(p_streambuf_pbackfail, &fb1.base, 'C');
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ok(ret == EOF, "wrong return, expected EOF got %d\n", ret);
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ok(fb1.base.gptr == fb1.base.base, "wrong get pointer, expected %p got %p\n", fb1.base.base, fb1.base.gptr);
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ok(fb1.base.pptr == NULL, "wrong put pointer, expected %p got %p\n", NULL, fb1.base.pptr);
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ok(_tell(fb1.fd) == 15, "_tell failed\n");
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fb1.base.eback = fb1.base.gptr = fb1.base.base;
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fb1.base.egptr = fb1.base.base + 2;
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ret = (int) call_func2(p_streambuf_pbackfail, &fb1.base, 'C');
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ok(ret == 'C', "wrong return, expected 'C' got %d\n", ret);
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ok(fb1.base.gptr == NULL, "wrong get pointer, expected %p got %p\n", NULL, fb1.base.gptr);
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ok(fb1.base.pptr == NULL, "wrong put pointer, expected %p got %p\n", NULL, fb1.base.pptr);
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ok(_tell(fb1.fd) == 12, "_tell failed\n");
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fb1.base.eback = fb1.base.gptr = fb1.base.base;
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fb1.base.egptr = fb1.base.ebuf;
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*fb1.base.gptr++ = 'D';
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ret = (int) call_func2(p_streambuf_pbackfail, &fb1.base, 'C');
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ok(ret == 'C', "wrong return, expected 'C' got %d\n", ret);
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ok(fb1.base.gptr == fb1.base.base, "wrong get pointer, expected %p got %p\n", fb1.base.base, fb1.base.gptr);
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ok(*fb1.base.gptr == 'C', "wrong character, expected 'C' got '%c'\n", *fb1.base.gptr);
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ok(fb1.base.pptr == NULL, "wrong put pointer, expected %p got %p\n", NULL, fb1.base.pptr);
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ok(_tell(fb1.fd) == 12, "_tell failed\n");
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fb1.base.eback = fb1.base.gptr = fb1.base.egptr = NULL;
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/* close */
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pret = (filebuf*) call_func1(p_filebuf_close, &fb2);
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ok(pret == NULL, "wrong return, expected %p got %p\n", NULL, pret);
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@ -1833,6 +1868,21 @@ static void test_strstreambuf(void)
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ok(ret == 74, "expected 74 got %d\n", ret);
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ok(ssb2.base.pptr == ssb2.base.epptr, "wrong put pointer, expected %p got %p\n", ssb2.base.epptr, ssb2.base.pptr);
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/* pbackfail */
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*(ssb1.base.gptr-1) = 'A';
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ret = (int) call_func2(p_streambuf_pbackfail, &ssb1.base, 'X');
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ok(ret == 'X', "wrong return, expected 'X' got %d\n", ret);
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ok(ssb1.base.gptr == ssb1.base.eback + 51, "wrong get pointer, expected %p got %p\n", ssb1.base.eback + 51, ssb1.base.gptr);
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ok(*ssb1.base.gptr == 'X', "expected 'X' got '%c'\n", *ssb1.base.gptr);
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ssb1.base.gptr = ssb1.base.eback;
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ret = (int) call_func2(p_streambuf_pbackfail, &ssb1.base, 'Y');
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ok(ret == EOF, "wrong return, expected EOF got %d\n", ret);
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ssb1.base.gptr = ssb1.base.eback + 1;
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ret = (int) call_func2(p_streambuf_pbackfail, &ssb1.base, EOF);
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ok(ret == EOF, "wrong return, expected EOF got %d\n", ret);
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ok(ssb1.base.gptr == ssb1.base.eback, "wrong get pointer, expected %p got %p\n", ssb1.base.eback, ssb1.base.gptr);
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ok((signed char)*ssb1.base.gptr == EOF, "expected EOF got '%c'\n", *ssb1.base.gptr);
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call_func1(p_strstreambuf_dtor, &ssb1);
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call_func1(p_strstreambuf_dtor, &ssb2);
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}
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@ -1843,7 +1893,7 @@ static void test_stdiobuf(void)
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FILE *file1, *file2;
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const char filename1[] = "stdiobuf_test1";
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const char filename2[] = "stdiobuf_test2";
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int ret;
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int ret, last;
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char buffer[64];
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memset(&stb1, 0xab, sizeof(stdiobuf));
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@ -2108,6 +2158,42 @@ static void test_stdiobuf(void)
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stb2.base.gptr = stb2.base.egptr;
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stb2.base.unbuffered = 1;
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/* pbackfail */
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last = fgetc(stb1.file);
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ok(last == 'r', "expected 'r' got %d\n", last);
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ok(ftell(stb1.file) == 30, "ftell failed\n");
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ret = (int) call_func2(p_stdiobuf_pbackfail, &stb1, 'i');
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ok(ret == 'i', "expected 'i' got %d\n", ret);
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ok(ftell(stb1.file) == 29, "ftell failed\n");
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last = fgetc(stb1.file);
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ok(last == 'r', "expected 'r' got %d\n", last);
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ok(ftell(stb1.file) == 30, "ftell failed\n");
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stb1.base.eback = stb1.base.base;
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stb1.base.gptr = stb1.base.egptr = stb1.base.base + 9;
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strcpy(stb1.base.eback, "pbackfail");
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ret = (int) call_func2(p_stdiobuf_pbackfail, &stb1, 'j');
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ok(ret == 'j', "expected 'j' got %d\n", ret);
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ok(stb1.base.gptr == stb1.base.base + 8, "wrong get pointer, expected %p got %p\n", stb1.base.base + 8, stb1.base.gptr);
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ok(strncmp(stb1.base.eback, "pbackfaij", 9) == 0, "strncmp failed\n");
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ok(ftell(stb1.file) == 30, "ftell failed\n");
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stb1.base.gptr = stb1.base.eback;
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ret = (int) call_func2(p_stdiobuf_pbackfail, &stb1, 'k');
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ok(ret == 'k', "expected 'k' got %d\n", ret);
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ok(stb1.base.gptr == stb1.base.base, "wrong get pointer, expected %p got %p\n", stb1.base.base, stb1.base.gptr);
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ok(strncmp(stb1.base.eback, "pbackfaij", 9) == 0, "strncmp failed\n");
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ok(ftell(stb1.file) == 29, "ftell failed\n");
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stb1.base.unbuffered = 0;
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ret = (int) call_func2(p_stdiobuf_pbackfail, &stb1, 'l');
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ok(ret == 'l', "expected 'l' got %d\n", ret);
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ok(strncmp(stb1.base.eback, "lpbackfai", 9) == 0, "strncmp failed\n");
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ok(ftell(stb1.file) == 28, "ftell failed\n");
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stb1.base.egptr = NULL;
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ret = (int) call_func2(p_stdiobuf_pbackfail, &stb1, 'm');
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ok(ret == 'm', "expected 'm' got %d\n", ret);
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ok(strncmp(stb1.base.eback, "lpbackfai", 9) == 0, "strncmp failed\n");
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ok(ftell(stb1.file) == 27, "ftell failed\n");
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stb1.base.unbuffered = 1;
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call_func1(p_stdiobuf_dtor, &stb1);
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call_func1(p_stdiobuf_dtor, &stb2);
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fclose(file1);
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