Function hasNonEmptyEnvVarConstant [src]

On Windows, key must be valid UTF-8.

Prototype

pub fn hasNonEmptyEnvVarConstant(comptime key: []const u8) bool

Parameters

key: []const u8

Source

  pub fn hasNonEmptyEnvVarConstant(comptime key: []const u8) bool {
    if (native_os == .windows) {
        const key_w = comptime unicode.utf8ToUtf16LeStringLiteral(key);
        const value = getenvW(key_w) orelse return false;
        return value.len != 0;
    } else if (native_os == .wasi and !builtin.link_libc) {
        @compileError("hasNonEmptyEnvVarConstant is not supported for WASI without libc");
    } else {
        const value = posix.getenv(key) orelse return false;
        return value.len != 0;
    }
}  