Add the last few things for bash to compile :D

src/string/Cargo.toml

@@ -8,5 +8,6 @@ build = "build.rs"
 cbindgen = { path = "../../cbindgen" }
 
 [dependencies]
-platform = { path = "../platform" }
 errno = { path = "../errno" }
+platform = { path = "../platform" }
+signal = { path = "../signal" }

src/string/src/lib.rs

@@ -3,6 +3,7 @@
 
 extern crate errno;
 extern crate platform;
+extern crate signal;
 
 use core::cmp;
 use core::mem;
@@ -308,6 +309,13 @@ pub unsafe extern "C" fn strrchr(s: *const c_char, c: c_int) -> *mut c_char {
     ptr::null_mut()
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn strsignal(sig: c_int) -> *mut c_char {
+    // Mutating this is undefined behavior I believe. But I just can't create a
+    // &'static mut str. Alternative is allocating everything on the heap...
+    signal::_signal_strings[sig as usize].as_ptr() as *const c_char as *mut c_char
+}
+
 #[no_mangle]
 pub unsafe extern "C" fn strspn(s1: *const c_char, s2: *const c_char) -> size_t {
     let s1 = s1 as *const u8;