int RsIni::getPrivateProfileStringWithFullPath()

in src/odbc/rsodbc/rsini.cpp [107:206]
82 lines of code
22 McCabe index (conditional complexity)

int RsIni::getPrivateProfileStringWithFullPath(const char *pSectionName, const char *pKey, const char *pDflt, char *pReturn, int iSize, char *pFullFilePath)
{
	FILE *fp;
	char buffer[INI_BUFFER_SIZE];
	char search[INI_KEY_SIZE];
	char *pChar = NULL;
	int 	iStrCode = -1;
	int  iSizeLeft = 0;
	char *pNextWrite;

	fp = fopen(pFullFilePath, "r");

	if (fp == NULL)
	{
		strncpy(pReturn, pDflt, iSize);
		return((iSize <= strlen(pDflt)) ? iSize : strlen(pDflt));
	}

	iSizeLeft = iSize - 1;
	pReturn[0] = '\0';
	pNextWrite = pReturn;

	snprintf(search, INI_KEY_SIZE, "[%s]", pSectionName);

	while (fgets(buffer, INI_BUFFER_SIZE, fp) != 0)
	{
		if (buffer[strlen(buffer) - 1] == '\n')
			buffer[strlen(buffer) - 1] = '\0';

		if (isCommentLine(buffer))
			continue;

		if ((iStrCode = _stricmp(search, buffer)) == 0)
			break;
	} // Loop to find section

	if (iStrCode == 0)
	{
		iStrCode = -1;
		if (pKey != NULL)
			strncpy(search, pKey, INI_KEY_SIZE);

		while (fgets(buffer, INI_BUFFER_SIZE, fp) != 0)
		{
			if (buffer[strlen(buffer) - 1] == '\n')
				buffer[strlen(buffer) - 1] = '\0';

			if (isCommentLine(buffer))
				continue;

			if (isSection(buffer))
				break;

			if (pKey == NULL)
			{
				strncpy(pNextWrite, buffer, iSizeLeft);
				iSizeLeft = iSizeLeft - strlen(buffer) - 1;
				if (iSizeLeft <= 1)
				{
					pNextWrite += strlen(buffer) + 1;
					*pNextWrite = '\0';

					pReturn[iSize - 1] = '\0';
					iSizeLeft = 0;
					break;
				}
				else
				{
					pNextWrite += strlen(buffer) + 1;
					*pNextWrite = '\0';
				}
			}
			else
			{
				if ((pChar = strchr(buffer, '=')) == 0)
					continue;

				*pChar++ = '\0';
				if ((iStrCode = _stricmp(search, trim_whitespaces(buffer))) == 0)
					break;
			}
		} // Loop for key

		if (iStrCode == 0)
		{
			fclose(fp);
			if (pChar)
				strncpy(pReturn, trim_whitespaces(pChar), iSize);
			return((iSize <= strlen(pChar)) ? iSize : strlen(pChar));
		} // Key found
	} // Section found

	fclose(fp);
	if (pKey == NULL)
		return(iSize - iSizeLeft);

	strncpy(pReturn, pDflt, iSize);

	return((iSize <= strlen(pDflt)) ? iSize : strlen(pDflt));
}