Add rules for stdlib, rustls, and stdio

Author: lucic71

rule-preprocessor/src/semantic.rs

@@ -46,7 +46,7 @@ fn build_rustc_args(crate_root: &Path) -> Vec<String> {
     args.push("-L".to_string());
     args.push(format!("dependency={}", deps.display()));
 
-    for dep in &["libcc2rs", "libc", "brotli_sys"] {
+    for dep in &["libcc2rs", "libc", "brotli_sys", "rustls_ffi"] {
         if let Some(rlib) = find_rlib(deps.as_path(), dep) {
             args.push("--extern".to_string());
             args.push(format!("{}={}", dep, rlib.display()));

rules/Cargo.toml

@@ -12,3 +12,4 @@ path = "src/lib.rs"
 libc = "0.2.148"
 libcc2rs = { version = "0.1.0", path = "../libcc2rs" }
 brotli-sys = "0.3"
+rustls-ffi = { version = "0.15.3", default-features = false }

rules/cstdlib/src.cpp

@@ -28,3 +28,7 @@ void f9(void *base, size_t nmemb, size_t size,
         int (*compar)(const void *, const void *)) {
   return qsort(base, nmemb, size, compar);
 }
+
+char *f10(const char *path, char *resolved_path) {
+  return realpath(path, resolved_path);
+}

rules/cstdlib/tgt_unsafe.rs

@@ -64,3 +64,7 @@ unsafe fn f9(
         >(a3 as *const ())),
     )
 }
+
+unsafe fn f10(a0: *const u8, a1: *mut u8) -> *mut u8 {
+    libc::realpath(a0 as *const i8, a1 as *mut i8) as *mut u8
+}