From 9280fb8d6daeab948fac6656397c928493f5fd05 Mon Sep 17 00:00:00 2001
From: Anton Livaja <anton@livaja.me>
Date: Mon, 23 Sep 2024 14:00:23 -0400
Subject: [PATCH] fix: uncomment code to make lib functional until we refactor

---
 src/lib.rs | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/lib.rs b/src/lib.rs
index be7fd5f..9fb3a04 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -13,15 +13,26 @@ fn fakerand_value() -> Option<i32> {
     *FAKERAND.get_or_init(|| env::var("FAKERAND").ok().and_then(|v| v.parse().ok()))
 }
 
-/*
 #[no_mangle]
 pub extern "C" fn rand() -> c_int {
-    println!("rand() called");
+
     if let Some(fakerand) = fakerand_value() {
         println!("rand() value {}", fakerand);
         return fakerand;
     }
 
+    // match fakerand_value() {
+    //     Some(n) => return n,
+    //     None => {
+    //         eprint!("fakerand loaded but unable to generate fake rand");
+    //         unsafe {
+    //             let errno = libc::__errno_location();
+    //             *errno = libc::EINVAL;
+    //         }
+    //         return -1;
+    //     }
+    // };
+
     unsafe {
         let symbol = dlsym(RTLD_NEXT, "rand\0".as_ptr() as *const _);
 
@@ -34,7 +45,6 @@ pub extern "C" fn rand() -> c_int {
         }
     }
 }
-*/
 
 #[inline(always)]
 unsafe fn copy_slice_to_ptr(slice: &[u8], buf: *mut c_void, buf_size: usize) {
@@ -129,7 +139,6 @@ pub extern "C" fn read(fd: c_int, buf: *mut c_void, count: usize) -> ssize_t {
     original_read(fd, buf, count)
 }
 
-/*
 /// # Safety
 ///
 /// Checked by caller. This function may result in undefined behavior if buflen is longer than the
@@ -173,7 +182,6 @@ pub extern "C" fn RAND_bytes(buf: *mut c_uchar, num: c_int) -> c_int {
         }
     }
 }
-*/
 
 #[cfg(test)]
 mod tests {