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package os2
import "base:runtime"
// get_env retrieves the value of the environment variable named by the key
// It returns the value, which will be empty if the variable is not present
// To distinguish between an empty value and an unset value, use lookup_env
// NOTE: the value will be allocated with the supplied allocator
get_env :: proc(key: string, allocator: runtime.Allocator) -> string {
value, _ := lookup_env(key, allocator)
return value
}
// lookup_env gets the value of the environment variable named by the key
// If the variable is found in the environment the value (which can be empty) is returned and the boolean is true
// Otherwise the returned value will be empty and the boolean will be false
// NOTE: the value will be allocated with the supplied allocator
lookup_env :: proc(key: string, allocator: runtime.Allocator) -> (value: string, found: bool) {
return _lookup_env(key, allocator)
}
// set_env sets the value of the environment variable named by the key
// Returns true on success, false on failure
set_env :: proc(key, value: string) -> bool {
return _set_env(key, value)
}
// unset_env unsets a single environment variable
// Returns true on success, false on failure
unset_env :: proc(key: string) -> bool {
return _unset_env(key)
}
clear_env :: proc() {
_clear_env()
}
// environ returns a copy of strings representing the environment, in the form "key=value"
// NOTE: the slice of strings and the strings with be allocated using the supplied allocator
environ :: proc(allocator: runtime.Allocator) -> []string {
return _environ(allocator)
}
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