utils

commit: 4e8b536118f87ce6afe62812445c5d156f405410
parent 287fe45b053c0712bddf646940316a27299f1334
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Tue, 15 Mar 2022 13:42:24 +0100

test-bin/sizeof: Add

Diffstat:
M
bin/sizeof.c
26
+++++++++++++++++++++-----
M
test-bin/Kyuafile
1
+
A
test-bin/sizeof
21
+++++++++++++++++++++

3 files changed, 43 insertions(+), 5 deletions(-)
diff --git a/bin/sizeof.c b/bin/sizeof.c
@@ -13,22 +13,38 @@
 static void
 print_size(size_t size, char *type)
 {
-	printf("sizeof(%s) == %zd bytes; %zd bits\n", type, size, size * CHAR_BIT);
+	int ret = printf("sizeof(%s) == %zd bytes; %zd bits\n", type, size, size * CHAR_BIT);
+	if(ret < 0)
+	{
+		exit(1);
+	}
 }
 
 int
 main(void)
 {
-	int c;
+	int c, ret;
 
-	printf("CHAR_BIT == %d\n", CHAR_BIT);
+	ret = printf("CHAR_BIT == %d\n", CHAR_BIT);
+	if(ret < 0)
+	{
+		exit(1);
+	}
 
 	c = sizeof(int);
 	/* flawfinder: ignore. Not given by user but by a macro */
-	printf(FORMAT_M, "int", c, c * CHAR_BIT, INT_MIN, INT_MAX);
+	ret = printf(FORMAT_M, "int", c, c * CHAR_BIT, INT_MIN, INT_MAX);
+	if(ret < 0)
+	{
+		exit(1);
+	}
 	c = sizeof(char);
 	/* flawfinder: ignore. Not given by user but by a macro */
-	printf(FORMAT_M, "char", c, c * CHAR_BIT, CHAR_MIN, CHAR_MAX);
+	ret = printf(FORMAT_M, "char", c, c * CHAR_BIT, CHAR_MIN, CHAR_MAX);
+	if(ret < 0)
+	{
+		exit(1);
+	}
 
 	print_size(sizeof(uint8_t), "uint8_t");
 	print_size(sizeof(short), "short");
diff --git a/test-bin/Kyuafile b/test-bin/Kyuafile
@@ -21,6 +21,7 @@ atf_test_program{name="lolcat", required_files=basedir.."/bin/lolcat", timeout=1
 atf_test_program{name="mdate", required_files=basedir.."/bin/mdate", timeout=1}
 atf_test_program{name="pwd", required_files=basedir.."/bin/pwd", timeout=1}
 atf_test_program{name="seq", required_files=basedir.."/bin/seq", timeout=1}
+atf_test_program{name="sizeof", required_files=basedir.."/bin/sizeof", timeout=1}
 atf_test_program{name="sname", required_files=basedir.."/bin/sname", timeout=1}
 atf_test_program{name="strings", required_files=basedir.."/bin/strings", timeout=1}
 atf_test_program{name="tee", required_files=basedir.."/bin/tee", timeout=1}
diff --git a/test-bin/sizeof b/test-bin/sizeof
@@ -0,0 +1,21 @@
+#!/usr/bin/env atf-sh
+atf_test_case empty
+empty_body() {
+	atf_check -o not-empty ../bin/sizeof
+}
+
+atf_test_case devfull
+devfull_body() {
+	has_glibc && atf_expect_fail "glibc ignoring write errors for fputc()"
+
+	atf_check -s exit:1 sh -c '../bin/sizeof >/dev/full'
+}
+
+atf_init_test_cases() {
+	cd "$(atf_get_srcdir)" || exit 1
+
+	. ../test_functions.sh
+
+	atf_add_test_case empty
+	atf_add_test_case devfull
+}