mha_os.cpp File Reference

Functions
bool	mha_hasenv (const std::string &envvar)
	Checks if environment variable exists. More...
std::string	mha_getenv (const std::string &envvar)
	Get value of environment variable. More...
void	mha_delenv (const std::string &envvar)
	Deletes environment variable from process environment if it exists. More...
int	mha_setenv (const std::string &envvar, const std::string &value)
	Set value of environment variable. More...
std::list< std::string >	mha_library_paths ()
std::list< std::string >	list_dir (const std::string &path, const std::string &pattern)

Function Documentation

mha_hasenv()

bool mha_hasenv

(

const std::string &

envvar

)

Checks if environment variable exists.

Parameters

envvar

Name of environment variable to check

Returns

true if the environment has a variable of this name

mha_getenv()

std::string mha_getenv

(

const std::string &

envvar

)

Get value of environment variable.

Parameters

envvar

Name of environment variable to retrieve

Returns

content of environment variable if it exists, empty string if the environment variable does not exist

mha_delenv()

void mha_delenv

(

const std::string &

envvar

)

Deletes environment variable from process environment if it exists.

Parameters

envvar

Name of environment variable to delete

mha_setenv()

int mha_setenv	(	const std::string &	envvar,
		const std::string &	value
	)

Set value of environment variable.

Parameters

envvar	Name of environment variable to set
value	New content for environment variable

Returns

error code: 0 on success, OS dependent error code on failure

mha_library_paths()

std::list<std::string> mha_library_paths

(

)

list_dir()

std::list<std::string> list_dir	(	const std::string &	path,
		const std::string &	pattern
	)