Bump version to 0.1.0-rc1.

This commit is a test of using [git-meta](https://github.com/twosigma/git-meta)
for easier project management.

All build flows have been modified to expect a folder hierarchy as
used here.

Makefile

@@ -3,6 +3,7 @@ VERSION = 0.1.0-rc1
 all: libpasta.so libpasta.a
 
 clean:
+ cargo clean --manifest-path libpasta-capi/Cargo.toml
  rm -rf build/
 
 force:
@@ -11,7 +12,7 @@ force:
  make all
 
 libpasta: Cargo.toml libpasta-capi/Cargo.toml
- cargo build --release --manifest-path libpasta-capi/Cargo.toml
+ RUSTFLAGS="--print native-static-libs" cargo build --release --manifest-path libpasta-capi/Cargo.toml
 
 libpasta.%: libpasta
  mkdir -p build

libpasta-capi/include/pasta-bindings.h

@@ -36,10 +36,14 @@ struct HashUpdateFfi {
 
 extern "C" {
 
+void config_free(Config *config);
+
 char *config_hash_password(const Config *config, const char *password);
 
 HashUpdateFfi *config_migrate_hash(const Config *config, const char *hash);
 
+Config *config_new();
+
 bool config_verify_password(const Config *config, const char *hash, const char *password);
 
 HashUpdateFfi *config_verify_password_update_hash(const Config *config,
@@ -56,8 +60,6 @@ Primitive *default_pbkdf2i();
 
 Primitive *default_scrypt();
 
-void free_Config(Config *config);
-
 void free_Primitive(Primitive *prim);
 
 void free_string(char *s);

libpasta-capi/src/lib.rs

@@ -75,6 +75,15 @@ pub extern fn hash_password(password: *const c_char) -> *mut c_char {
  CString::new(output).unwrap().into_raw()
 }
 
+#[no_mangle]
+pub extern "C" fn config_new() -> *mut Config {
+ box_ptr!(Config::default())
+}
+
+#[no_mangle]
+pub extern "C" fn config_free(config: *mut Config) {
+ let _config = unsafe { ffi_ref!(config) };
+}
 
 #[no_mangle]
 pub extern "C" fn config_hash_password(config: *const Config, password: *const c_char) -> *mut c_char {
@@ -183,11 +192,6 @@ pub extern "C" fn free_Primitive(prim: *mut Primitive) {
  let _prim = unsafe { ffi_ref!(prim) };
 }
 
-#[no_mangle]
-pub extern "C" fn free_Config(config: *mut Config) {
- let _config = unsafe { ffi_ref!(config) };
-
-}
 
 #[cfg(test)]
 mod test {