Rudiments: environment Class Reference

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Static Public Member Functions | List of all members
environment Class Reference

## Static Public Member Functions
static const char * | getValue (const char *variable)
static bool | setValue (const char *variable, const char *value)
static bool | remove (const char *variable)
static const char *const * | variables ()
static bool | clear ()
static void | setMutex (threadmutex *mtx)

## Detailed Description

The environment class provides static methods for accessing and manipulating environment variables.

## Member Function Documentation

static bool environment::clear | ( |  | ) |
| static

Clears the environment of all name-value pairs. After calling this, variables() will return NULL.

static const char* environment::getValue | ( | const char * | variable | ) |
| static

Returns the value of "variable".

static bool environment::remove | ( | const char * | variable | ) |
| static

Removes "variable" from the environment.

static void environment::setMutex | ( | threadmutex * | mtx | ) |
| static

Allows you to supply a mutex if the class needs it. If your application is not multithreaded, then there is no need to supply a mutex.

static bool environment::setValue | ( | const char * | variable,
|  | const char * | value
| ) |  |
| static

Sets the value of "variable" to "value", overwriting any value that "variable" previously had. Returns true on success and false on failure.

static const char* const* environment::variables | ( |  | ) |
| static

Returns a NULL terminated list of all environment variables. Each entry in the list is of the form NAME=VALUE.