From 9aac2672e36c9cdcc0407ac51ce215b2a565b447 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mateusz=20Miku=C5=82a?= <mati865@gmail.com>
Date: Thu, 18 Jul 2019 15:27:05 +0200
Subject: [PATCH] Fix few warnings

---
 src/ld_so/src/lib.rs     | 2 +-
 tests/stdio/all.c        | 2 +-
 tests/string/strsignal.c | 3 +--
 tests/unistd/swab.c      | 1 +
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/ld_so/src/lib.rs b/src/ld_so/src/lib.rs
index d0adafc0e5..04ba7802a6 100644
--- a/src/ld_so/src/lib.rs
+++ b/src/ld_so/src/lib.rs
@@ -48,7 +48,7 @@ pub unsafe extern "C" fn _start() {
 
 #[naked]
 #[no_mangle]
-pub unsafe extern "C" fn main(argc: isize, argv: *const *const i8) -> usize {
+pub unsafe extern "C" fn main(_argc: isize, _argv: *const *const i8) -> usize {
     // LD
     0x1D
 }
diff --git a/tests/stdio/all.c b/tests/stdio/all.c
index de7c60ab63..4807b584db 100644
--- a/tests/stdio/all.c
+++ b/tests/stdio/all.c
@@ -21,7 +21,7 @@ int main(void) {
     ERROR_IF(fgets, s, == NULL);
     printf("%s\n", in);
 
-    int vb = setvbuf(stdout, 0, _IONBF, 0);
+    __attribute__((unused)) int vb = setvbuf(stdout, 0, _IONBF, 0);
     //ERROR_IF(setvbuf, vb, > 0); // TODO: Cannot use this, doesn't set errno
     //UNEXP_IF(setvbuf, vb, != 0);
 
diff --git a/tests/string/strsignal.c b/tests/string/strsignal.c
index 1ddf08630d..490d11f38c 100644
--- a/tests/string/strsignal.c
+++ b/tests/string/strsignal.c
@@ -7,8 +7,7 @@
 
 int main(void) {
     puts("# strsignal #");
-    char *x = strsignal(SIGHUP);
-    int res;
+    const char *x = strsignal(SIGHUP);
     if (strcmp(x, "Hangup")) {
         printf("Incorrect strsignal (1), found: .%s.\n", x);
         exit(EXIT_FAILURE);
diff --git a/tests/unistd/swab.c b/tests/unistd/swab.c
index c194ff280b..d7927b66fa 100644
--- a/tests/unistd/swab.c
+++ b/tests/unistd/swab.c
@@ -1,3 +1,4 @@
+#include <stdio.h>
 #include <unistd.h>
 
 int main(int argc, char ** argv) {