Function getenvZ [src]

Get an environment variable with a null-terminated name. See also getenv.

Prototype

pub fn getenvZ(key: [*:0]const u8) ?[:0]const u8

Parameters

key: [*:0]const u8

Source

  pub fn getenvZ(key: [*:0]const u8) ?[:0]const u8 {
    if (builtin.link_libc) {
        const value = system.getenv(key) orelse return null;
        return mem.sliceTo(value, 0);
    }
    if (native_os == .windows) {
        @compileError("std.posix.getenvZ is unavailable for Windows because environment string is in WTF-16 format. See std.process.getEnvVarOwned for cross-platform API or std.process.getenvW for Windows-specific API.");
    }
    return getenv(mem.sliceTo(key, 0));
}  