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trim extra newlines from windows error message

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This commit is contained in:
David Rose 2003-07-02 16:48:22 +00:00
parent b15a2ae9fc
commit 3bd9146030
1 changed files with 11 additions and 4 deletions
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15
panda/src/express/windowsRegistry.cxx
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@ -313,8 +313,8 @@ do_get(const string &key, const string &name, int &data_type, string &data) {
}
if (error != ERROR_SUCCESS) {
express_cat.error()
<< "Unable to get registry key " << key << " name " << name
express_cat.info()
<< "Unable to get registry value " << name
<< ": " << format_message(error) << "\n";
okflag = false;
}
@ -337,13 +337,20 @@ do_get(const string &key, const string &name, int &data_type, string &data) {
////////////////////////////////////////////////////////////////////
string WindowsRegistry::
format_message(int error_code) {
PVOID buffer;
LPTSTR buffer;
DWORD length =
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
NULL, error_code, 0, (LPTSTR)&buffer, 0, NULL);
NULL, error_code, 0, &buffer, 0, NULL);
if (length == 0) {
return "Unknown error message";
}
// Strip off \n's and \r's trailing the string.
while (length > 0 &&
(buffer[length - 1] == '\r' || buffer[length - 1] == '\n')) {
length--;
}
string result((const char *)buffer, length);
LocalFree(buffer);
return result;