本文整理汇总了C++中PathString::push_back方法的典型用法代码示例。如果您正苦于以下问题：C++ PathString::push_back方法的具体用法？C++ PathString::push_back怎么用？C++ PathString::push_back使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PathString的用法示例。
在下文中一共展示了PathString::push_back方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: init
/**
* Initializes the file based backend storage by passing a path to
* the directory where the key named files will be stored.
* The return value should be 0 on success.
* If it is -ErrInvalidConfiguration then the the path name is too long to
* accommodate the trailing slash and max key length.
*/
int init(const PathString& path)
{
using namespace std;
int rv = -uavcan::ErrInvalidParam;
if (path.size() > 0)
{
base_path = path.c_str();
if (base_path.back() == '/')
{
base_path.pop_back();
}
rv = 0;
struct stat sb;
if (stat(base_path.c_str(), &sb) != 0 || !S_ISDIR(sb.st_mode))
{
rv = mkdir(base_path.c_str(), S_IRWXU | S_IRWXG | S_IRWXO);
}
if (rv >= 0 )
{
base_path.push_back('/');
if ((base_path.size() + MaxStringLength) > MaxPathLength)
{
rv = -uavcan::ErrInvalidConfiguration;
}
}
}
return rv;
}