From f0c5a803bdefd15079d23db4ac5c3b9ba1cc2f10 Mon Sep 17 00:00:00 2001 From: Stefan Liebler Date: Wed, 19 Jun 2019 12:32:04 +0200 Subject: Fix gcc 9 build errors for make xcheck. [BZ #24556] MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch fixes the following gcc 9 warnings for "make xcheck" / "make bench": -string/tst-strcasestr.c: ../include/bits/../../misc/bits/error.h:42:5: error: ‘%s’ directive argument is null [-Werror=format-overflow=] -argp/argp-test.c: argp-test.c:130:20: error: ‘%d’ directive writing between 1 and 11 bytes into a region of size 10 [-Werror=format-overflow=] argp-test.c:130:19: note: directive argument in the range [-2147483648, 122] argp-test.c:130:5: note: ‘sprintf’ output between 2 and 12 bytes into a destination of size 10 -nss/tst-field.c: tst-field.c:52:7: error: ‘%s’ directive argument is null [-Werror=format-overflow=] -benchtests/bench-strstr.c: ../include/bits/../../misc/bits/error.h:42:5: error: ‘%s’ directive argument is null [-Werror=format-overflow=] -benchtests/bench-malloc-simple.c: bench-malloc-simple.c:93:16: error: iteration 3 invokes undefined behavior [-Werror=aggressive-loop-optimizations] ChangeLog: [BZ #24556] * string/test-strcasestr.c (check_result): Add NULL check. * nss/tst-field.c (check_rewrite): Likewise. * benchtests/bench-strstr.c (do_one_test): Likewise. * string/test-strstr.c (check_result): Likewise. * argp/argp-test.c (popt): Increase size of buf to 12. * benchtests/bench-malloc-simple.c (bench): Do not initialize tests array out of bounds. --- benchtests/bench-malloc-simple.c | 2 +- benchtests/bench-strstr.c | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'benchtests') diff --git a/benchtests/bench-malloc-simple.c b/benchtests/bench-malloc-simple.c index b8bb2cc116..c4f06f6999 100644 --- a/benchtests/bench-malloc-simple.c +++ b/benchtests/bench-malloc-simple.c @@ -87,7 +87,7 @@ bench (unsigned long size) size_t iters = NUM_ITERS; int **arr = (int**) malloc (MAX_ALLOCS * sizeof (void*)); - for (int t = 0; t <= 3; t++) + for (int t = 0; t < 3; t++) for (int i = 0; i < NUM_ALLOCS; i++) { tests[t][i].n = allocs[i]; diff --git a/benchtests/bench-strstr.c b/benchtests/bench-strstr.c index 2cbe13e9ac..89d1755813 100644 --- a/benchtests/bench-strstr.c +++ b/benchtests/bench-strstr.c @@ -147,7 +147,8 @@ do_one_test (impl_t *impl, const char *s1, const char *s2, char *exp_result) if (res != exp_result) { error (0, 0, "Wrong result in function %s %s %s", impl->name, - res, exp_result); + (res == NULL) ? "(null)" : res, + (exp_result == NULL) ? "(null)" : exp_result); ret = 1; } } -- cgit v1.2.3