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msvcirt: Add implementation of streambuf::xsputn.

This commit is contained in:
Iván Matellanes 2015-06-20 16:40:15 +02:00 committed by Alexandre Julliard
parent a507132cdc
commit f71186b645
2 changed files with 56 additions and 2 deletions
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21
dlls/msvcirt/msvcirt.c
View File

@ -535,8 +535,25 @@ int __thiscall streambuf_xsgetn(streambuf *this, char *buffer, int count)
DEFINE_THISCALL_WRAPPER(streambuf_xsputn, 12)
int __thiscall streambuf_xsputn(streambuf *this, const char *data, int length)
{
FIXME("(%p %p %d): stub\n", this, data, length);
return 0;
int copied = 0, chunk;
TRACE("(%p %p %d)\n", this, data, length);
while (copied < length) {
if (this->unbuffered || this->pptr == this->epptr) {
if (call_streambuf_overflow(this, data[copied]) == EOF)
break;
copied++;
} else {
chunk = this->epptr - this->pptr;
if (chunk > length - copied)
chunk = length - copied;
memcpy(this->pptr, data+copied, chunk);
this->pptr += chunk;
copied += chunk;
}
}
return copied;
}
/* ?sgetc@streambuf@@QAEHXZ */

37
dlls/msvcirt/tests/msvcirt.c
View File

@ -66,6 +66,7 @@ static int (*__thiscall p_streambuf_sputc)(streambuf*, int);
static int (*__thiscall p_streambuf_sync)(streambuf*);
static void (*__thiscall p_streambuf_unlock)(streambuf*);
static int (*__thiscall p_streambuf_xsgetn)(streambuf*, char*, int);
static int (*__thiscall p_streambuf_xsputn)(streambuf*, const char*, int);
/* Emulate a __thiscall */
#ifdef __i386__
@ -153,6 +154,7 @@ static BOOL init(void)
SET(p_streambuf_sync, "?sync@streambuf@@UEAAHXZ");
SET(p_streambuf_unlock, "?unlock@streambuf@@QEAAXXZ");
SET(p_streambuf_xsgetn, "?xsgetn@streambuf@@UEAAHPEADH@Z");
SET(p_streambuf_xsputn, "?xsputn@streambuf@@UEAAHPEBDH@Z");
} else {
SET(p_streambuf_reserve_ctor, "??0streambuf@@IAE@PADH@Z");
SET(p_streambuf_ctor, "??0streambuf@@IAE@XZ");
@ -171,6 +173,7 @@ static BOOL init(void)
SET(p_streambuf_sync, "?sync@streambuf@@UAEHXZ");
SET(p_streambuf_unlock, "?unlock@streambuf@@QAEXXZ");
SET(p_streambuf_xsgetn, "?xsgetn@streambuf@@UAEHPADH@Z");
SET(p_streambuf_xsputn, "?xsputn@streambuf@@UAEHPBDH@Z");
}
init_thiscall_thunk();
@ -189,6 +192,8 @@ static int __thiscall test_streambuf_overflow(streambuf *this, int ch)
#endif
{
overflow_count++;
if (ch == 'L') /* simulate a failure */
return EOF;
if (!test_this->unbuffered)
test_this->pptr = test_this->pbase + 5;
return ch;
@ -527,6 +532,38 @@ static void test_streambuf(void)
ok(sb3.stored_char == 'G', "wrong stored character, expected 'G' got %c\n", sb3.stored_char);
ok(underflow_count == 37, "expected 6 calls to underflow, got %d\n", underflow_count - 31);
/* xsputn */
ret = (int) call_func3(p_streambuf_xsputn, &sb, "Test\0ing", 8);
ok(ret == 8, "wrong return value, expected 8 got %d\n", ret);
ok(sb.pptr == sb.pbase + 9, "wrong put pointer, expected %p got %p\n", sb.pbase + 9, sb.pptr);
test_this = &sb2;
sb2.pptr = sb2.epptr - 7;
ret = (int) call_func3(p_streambuf_xsputn, &sb2, "Testing", 7);
ok(ret == 7, "wrong return value, expected 7 got %d\n", ret);
ok(sb2.pptr == sb2.epptr, "wrong put pointer, expected %p got %p\n", sb2.epptr, sb2.pptr);
ok(overflow_count == 2, "no call to overflow expected\n");
sb2.pptr = sb2.epptr - 5;
sb2.pbase[5] = 'a';
ret = (int) call_func3(p_streambuf_xsputn, &sb2, "Testing", 7);
ok(ret == 7, "wrong return value, expected 7 got %d\n", ret);
ok(sb2.pbase[5] == 'g', "expected 'g' got %c\n", sb2.pbase[5]);
ok(sb2.pptr == sb2.pbase + 6, "wrong put pointer, expected %p got %p\n", sb2.pbase + 6, sb2.pptr);
ok(overflow_count == 3, "expected call to overflow\n");
sb2.pptr = sb2.epptr - 4;
ret = (int) call_func3(p_streambuf_xsputn, &sb2, "TestLing", 8);
ok(ret == 4, "wrong return value, expected 4 got %d\n", ret);
ok(sb2.pptr == sb2.epptr, "wrong put pointer, expected %p got %p\n", sb2.epptr, sb2.pptr);
ok(overflow_count == 4, "expected call to overflow\n");
test_this = &sb3;
ret = (int) call_func3(p_streambuf_xsputn, &sb3, "Testing", 7);
ok(ret == 7, "wrong return value, expected 7 got %d\n", ret);
ok(sb3.stored_char == 'G', "wrong stored character, expected 'G' got %c\n", sb3.stored_char);
ok(overflow_count == 11, "expected 7 calls to overflow, got %d\n", overflow_count - 4);
ret = (int) call_func3(p_streambuf_xsputn, &sb3, "TeLephone", 9);
ok(ret == 2, "wrong return value, expected 2 got %d\n", ret);
ok(sb3.stored_char == 'G', "wrong stored character, expected 'G' got %c\n", sb3.stored_char);
ok(overflow_count == 14, "expected 3 calls to overflow, got %d\n", overflow_count - 11);
SetEvent(lock_arg.test[3]);
WaitForSingleObject(thread, INFINITE);