void Helpers::CreateTTDDirectoryAsNeeded(size_t* uriLength, char* uri, const char* asciiDir1, const wchar* asciiDir2)
{
if(*uriLength + strlen(asciiDir1) + wcslen(asciiDir2) + 2 > MAX_URI_LENGTH || strlen(asciiDir1) >= MAX_TTD_ASCII_PATH_EXT_LENGTH || wcslen(asciiDir2) >= MAX_TTD_ASCII_PATH_EXT_LENGTH)
{
wprintf(_u("We assume bounded MAX_URI_LENGTH for simplicity.\n"));
wprintf(_u("%S, %S, %ls\n"), uri, asciiDir1, asciiDir2);
exit(1);
}
int success = 0;
int extLength = 0;
extLength = sprintf_s(uri + *uriLength, MAX_TTD_ASCII_PATH_EXT_LENGTH, "%s%s", asciiDir1, TTD_HOST_PATH_SEP);
if(extLength == -1 || MAX_URI_LENGTH < (*uriLength) + extLength)
{
wprintf(_u("Failed directory extension 1.\n"));
wprintf(_u("%S, %S, %ls\n"), uri, asciiDir1, asciiDir2);
exit(1);
}
*uriLength += extLength;
success = TTDHostMKDir(uri, *uriLength);
if(success != 0)
{
//we may fail because someone else created the directory -- that is ok
Helpers::TTReportLastIOErrorAsNeeded(errno == EEXIST, "Failed to create directory");
}
char realAsciiDir2[MAX_TTD_ASCII_PATH_EXT_LENGTH];
size_t asciiDir2Length = wcslen(asciiDir2) + 1;
for(size_t i = 0; i < asciiDir2Length; ++i)
{
if(asciiDir2[i] > CHAR_MAX)
{
wprintf(_u("Test directory names can only include ascii chars.\n"));
exit(1);
}
realAsciiDir2[i] = (char)asciiDir2[i];
}
extLength = sprintf_s(uri + *uriLength, MAX_TTD_ASCII_PATH_EXT_LENGTH, "%s%s", realAsciiDir2, TTD_HOST_PATH_SEP);
if(extLength == -1 || MAX_URI_LENGTH < *uriLength + extLength)
{
wprintf(_u("Failed directory create 2.\n"));
wprintf(_u("%S, %S, %ls\n"), uri, asciiDir1, asciiDir2);
exit(1);
}
*uriLength += extLength;
success = TTDHostMKDir(uri, *uriLength);
if(success != 0)
{
//we may fail because someone else created the directory -- that is ok
Helpers::TTReportLastIOErrorAsNeeded(errno == EEXIST, "Failed to create directory");
}
}
void Helpers::CreateDirectoryIfNeeded(size_t uriByteLength, const byte* uriBytes)
{
TTDHostCharType opath[MAX_PATH];
TTDHostInitFromUriBytes(opath, uriBytes, uriByteLength);
TTDHostCharType cpath[MAX_PATH];
TTDHostInitEmpty(cpath);
TTDDoPathInit(cpath);
TTDHostStatType statVal;
TTDHostCharType* context = nullptr;
TTDHostCharType* token = TTDHostTok(opath, TTDHostPathSeparator, &context);
TTDHostAppend(cpath, token);
//At least 1 part of the path must exist so iterate until we find it
while(TTDHostStat(cpath, &statVal) == -1)
{
token = TTDHostTok(nullptr, TTDHostPathSeparator, &context);
TTDHostAppend(cpath, TTDHostPathSeparator);
TTDHostAppend(cpath, token);
}
//Now continue until we hit the part that doesn't exist (or the end of the path)
while(token != nullptr && TTDHostStat(cpath, &statVal) != -1)
{
token = TTDHostTok(nullptr, TTDHostPathSeparator, &context);
if(token != nullptr)
{
TTDHostAppend(cpath, TTDHostPathSeparator);
TTDHostAppend(cpath, token);
}
}
//Now if there is path left then continue build up the directory tree as we go
while(token != nullptr)
{
int success = TTDHostMKDir(cpath);
if(success != 0)
{
//we may fail because someone else created the directory -- that is ok
Helpers::TTReportLastIOErrorAsNeeded(errno != ENOENT, "Failed to create directory");
}
token = TTDHostTok(nullptr, TTDHostPathSeparator, &context);
if(token != nullptr)
{
TTDHostAppend(cpath, TTDHostPathSeparator);
TTDHostAppend(cpath, token);
}
}
}