From a487b64fb3419b1545454ed9c0312bf974f4bdb8 Mon Sep 17 00:00:00 2001
From: Lephenixnoir <sebastien.michelland@protonmail.com>
Date: Wed, 19 May 2021 21:45:04 +0200
Subject: [PATCH] stdlib: add a test to check size of integer and
 floating-point types

This dictates the behavior of strtoll, strtoull, strtold mainly.
---
 CMakeLists.txt         |  1 +
 include/ft/all-tests.h |  1 +
 src/main.c             |  1 +
 src/stdlib/sizes.c     | 22 ++++++++++++++++++++++
 4 files changed, 25 insertions(+)
 create mode 100644 src/stdlib/sizes.c

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 03d49a5..f9723d3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ set(SOURCES
   src/inttypes/sizes.c
   # stdlib
   src/stdlib/arith.c
+  src/stdlib/sizes.c
   # string
   src/string/memarray.c
   src/string/core.c
diff --git a/include/ft/all-tests.h b/include/ft/all-tests.h
index d43191e..4e62cc3 100644
--- a/include/ft/all-tests.h
+++ b/include/ft/all-tests.h
@@ -19,6 +19,7 @@ extern ft_test ft_inttypes_functions;
 
 /* stdlib */
 extern ft_test ft_stdlib_arith;
+extern ft_test ft_stdlib_sizes;
 
 /* string */
 extern ft_test ft_string_memset;
diff --git a/src/main.c b/src/main.c
index 033757d..a3f8ac5 100644
--- a/src/main.c
+++ b/src/main.c
@@ -35,6 +35,7 @@ ft_list headers_libc[] = {
     }}, */
     { "<stdlib.h>", (ft_test*[]){
         &ft_stdlib_arith,
+        &ft_stdlib_sizes,
         NULL,
     }},
     { "<string.h>", (ft_test*[]){
diff --git a/src/stdlib/sizes.c b/src/stdlib/sizes.c
new file mode 100644
index 0000000..b7e9a19
--- /dev/null
+++ b/src/stdlib/sizes.c
@@ -0,0 +1,22 @@
+#include <stdlib.h>
+#include <ft/test.h>
+#include <ft/all-tests.h>
+
+static void _stdlib_sizes(ft_test *t)
+{
+	/* TODO: Use %zu once available in *printf */
+	ft_log(t, "Size of types for conversion:\n\n");
+
+	ft_log(t, " %d  float\n", (int)sizeof(float));
+	ft_log(t, " %d  double\n", (int)sizeof(double));
+	ft_log(t, " %d  long double\n", (int)sizeof(long double));
+
+	ft_log(t, " %d  int\n", (int)sizeof(int));
+	ft_log(t, " %d  long int\n", (int)sizeof(long int));
+	ft_log(t, " %d  long long int\n", (int)sizeof(long long int));
+}
+
+ft_test ft_stdlib_sizes = {
+	.name = "Size of numeric types",
+	.function = _stdlib_sizes,
+};