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user32: Check bitmap info before it is used.

This commit is contained in:
Wolfram Sang 2011-02-24 22:12:09 +01:00 committed by Alexandre Julliard
parent ce5763b88c
commit c67f075d67
1 changed files with 8 additions and 7 deletions
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15
dlls/user32/cursoricon.c
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@ -2198,6 +2198,14 @@ static HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name,
if (bmfh->bfOffBits) offbits = bmfh->bfOffBits - sizeof(BITMAPFILEHEADER); if (bmfh->bfOffBits) offbits = bmfh->bfOffBits - sizeof(BITMAPFILEHEADER);
} }
bm_type = DIB_GetBitmapInfo( &info->bmiHeader, &width, &height,
&bpp_dummy, &compr_dummy);
if (bm_type == -1)
{
WARN("Invalid bitmap format!\n");
goto end;
}
size = bitmap_info_size(info, DIB_RGB_COLORS); size = bitmap_info_size(info, DIB_RGB_COLORS);
fix_info = HeapAlloc(GetProcessHeap(), 0, size); fix_info = HeapAlloc(GetProcessHeap(), 0, size);
scaled_info = HeapAlloc(GetProcessHeap(), 0, size); scaled_info = HeapAlloc(GetProcessHeap(), 0, size);
@ -2209,13 +2217,6 @@ static HBITMAP BITMAP_Load( HINSTANCE instance, LPCWSTR name,
DIB_FixColorsToLoadflags(fix_info, loadflags, pix); DIB_FixColorsToLoadflags(fix_info, loadflags, pix);
memcpy(scaled_info, fix_info, size); memcpy(scaled_info, fix_info, size);
bm_type = DIB_GetBitmapInfo( &fix_info->bmiHeader, &width, &height,
&bpp_dummy, &compr_dummy);
if (bm_type == -1)
{
WARN("Invalid bitmap format!\n");
goto end;
}
if(desiredx != 0) if(desiredx != 0)
new_width = desiredx; new_width = desiredx;