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libobs: Make get_reg_dword handle missing keys

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Previously if the key didn't exist it would return uninitialized stack
memory. Reported at https://obsproject.com/forum/threads/obs-freezes-computer-on-startup-sometimes.78030/#post-330590
This commit is contained in:
Richard Stanway
2017-12-19 12:04:00 +01:00
parent 0863247936
commit 2f577c1b71
2 changed files with 24 additions and 6 deletions
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6
libobs/util/platform-windows.c
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@@ -810,8 +810,12 @@ void get_reg_dword(HKEY hkey, LPCWSTR sub_key, LPCWSTR value_name,
status = RegOpenKeyEx(hkey, sub_key, 0, KEY_READ, &key);
if (status != ERROR_SUCCESS)
if (status != ERROR_SUCCESS) {
info->status = status;
info->size = 0;
info->return_value = 0;
return;
}
reg.size = sizeof(reg.return_value);