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~/.local/bin tools and git-hooks git clone https://hacktivis.me/git/utils.git
commit: 5655c484f39f374f46f38a788bbf737ea07fc5e1
parent 76d270ac1f8eb8981aae33047387786969e89047
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Tue,  1 Mar 2022 20:07:09 +0100

bin/errno: Handle write errors

Diffstat:

Mbin/errno.c5++++-
Mtest-bin/errno13+++++++++++++
2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/bin/errno.c b/bin/errno.c @@ -25,7 +25,10 @@ main(int argc, char *argv[]) return 1; } - puts(strerror(err)); + if(puts(strerror(err)) <= 0) + { + return 1; + } return 0; } diff --git a/test-bin/errno b/test-bin/errno @@ -10,8 +10,21 @@ noargs_body() { atf_check -s exit:1 -o "inline:usage: errno <number>\n" ../bin/errno } +atf_test_case devfull +devfull_body() { + if test -f /usr/include/features.h && grep -q '#define\W__GLIBC__' /usr/include/features.h + then + atf_expect_fail "glibc ignoring write errors for puts()" + fi + [ "$(uname -s)" = "NetBSD" ] && atf_expect_fail "NetBSD ignoring write errors for puts()" + [ "$(uname -s)" = "FreeBSD" ] && atf_expect_fail "FreeBSD ignoring write errors for puts()" + + atf_check -s exit:1 -o "inline:usage: errno <number>\n" sh -c '../bin/errno 1 >/dev/full' +} + atf_init_test_cases() { cd "$(atf_get_srcdir)" || exit 1 atf_add_test_case simple atf_add_test_case noargs + atf_add_test_case devfull }