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msvcp90: Added strstreambuf seekpos and seekoff implementation.

This commit is contained in:
Piotr Caban 2012-08-15 10:27:28 +02:00 committed by Alexandre Julliard
parent e5d7d65791
commit 0ef93eb0e5
2 changed files with 58 additions and 7 deletions
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59
dlls/msvcp90/ios.c
View File

@ -12714,8 +12714,53 @@ int __thiscall strstreambuf_pbackfail(strstreambuf *this, int c)
DEFINE_THISCALL_WRAPPER(strstreambuf_seekoff, 20)
fpos_int* __thiscall strstreambuf_seekoff(strstreambuf *this, fpos_int *ret, streamoff off, int way, int mode)
{
FIXME("(%p %p %ld %d %d) stub\n", this, ret, off, way, mode);
return NULL;
char *eback = basic_streambuf_char_eback(&this->base);
char *pptr = basic_streambuf_char_pptr(&this->base);
char *gptr = basic_streambuf_char_gptr(&this->base);
TRACE("(%p %p %ld %d %d)\n", this, ret, off, way, mode);
ret->off = 0;
ret->state = 0;
if(pptr > this->seekhigh)
this->seekhigh = pptr;
if((mode & OPENMODE_in) && gptr) {
if(way==SEEKDIR_cur && !(mode & OPENMODE_out))
off += gptr-eback;
else if(way == SEEKDIR_end)
off += this->seekhigh-eback;
else if(way != SEEKDIR_beg)
off = -1;
if(off<0 || off>this->seekhigh-eback) {
off = -1;
}else {
basic_streambuf_char_gbump(&this->base, eback-gptr+off);
if((mode & OPENMODE_out) && pptr) {
basic_streambuf_char_setp_next(&this->base, eback,
gptr, basic_streambuf_char_epptr(&this->base));
}
}
}else if((mode & OPENMODE_out) && pptr) {
if(way == SEEKDIR_cur)
off += pptr-eback;
else if(way == SEEKDIR_end)
off += this->seekhigh-eback;
else if(way != SEEKDIR_beg)
off = -1;
if(off<0 || off>this->seekhigh-eback)
off = -1;
else
basic_streambuf_char_pbump(&this->base, eback-pptr+off);
}else {
off = -1;
}
ret->pos = off;
return ret;
}
/* ?seekpos@strstreambuf@std@@MAE?AV?$fpos@H@2@V32@H@Z */
@ -12723,8 +12768,14 @@ fpos_int* __thiscall strstreambuf_seekoff(strstreambuf *this, fpos_int *ret, str
DEFINE_THISCALL_WRAPPER(strstreambuf_seekpos, 36)
fpos_int* __thiscall strstreambuf_seekpos(strstreambuf *this, fpos_int *ret, fpos_int pos, int mode)
{
FIXME("(%p %p %s %d) stub\n", this, ret, debugstr_fpos_int(&pos), mode);
return NULL;
TRACE("(%p %p %s %d)\n", this, ret, debugstr_fpos_int(&pos), mode);
if(pos.off==0 && pos.pos==-1 && pos.state==0) {
*ret = pos;
return ret;
}
return strstreambuf_seekoff(this, ret, pos.off, SEEKDIR_beg, mode);
}
/* ?underflow@strstreambuf@std@@MAEHXZ */

6
dlls/msvcp90/msvcp90.h
View File

@ -246,9 +246,9 @@ typedef enum {
} IOSB_openmode;
typedef enum {
SEEKDIR_beg = 0x1,
SEEKDIR_cur = 0x2,
SEEKDIR_end = 0x3,
SEEKDIR_beg = 0x0,
SEEKDIR_cur = 0x1,
SEEKDIR_end = 0x2,
SEEKDIR_mask = 0x3
} IOSB_seekdir;