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Diffstat (limited to 'REORG.TODO/malloc/tst-malloc.c')
-rw-r--r-- | REORG.TODO/malloc/tst-malloc.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/REORG.TODO/malloc/tst-malloc.c b/REORG.TODO/malloc/tst-malloc.c new file mode 100644 index 0000000000..dbc8d4ab56 --- /dev/null +++ b/REORG.TODO/malloc/tst-malloc.c @@ -0,0 +1,95 @@ +/* Copyright (C) 1999-2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Jaeger <aj@arthur.rhein-neckar.de>, 1999. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <malloc.h> +#include <stdio.h> +#include <libc-diag.h> + +static int errors = 0; + +static void +merror (const char *msg) +{ + ++errors; + printf ("Error: %s\n", msg); +} + +static int +do_test (void) +{ + void *p, *q; + int save; + + errno = 0; + + DIAG_PUSH_NEEDS_COMMENT; +#if __GNUC_PREREQ (7, 0) + /* GCC 7 warns about too-large allocations; here we want to test + that they fail. */ + DIAG_IGNORE_NEEDS_COMMENT (7, "-Walloc-size-larger-than="); +#endif + p = malloc (-1); + DIAG_POP_NEEDS_COMMENT; + save = errno; + + if (p != NULL) + merror ("malloc (-1) succeeded."); + + if (p == NULL && save != ENOMEM) + merror ("errno is not set correctly"); + + p = malloc (10); + if (p == NULL) + merror ("malloc (10) failed."); + + /* realloc (p, 0) == free (p). */ + p = realloc (p, 0); + if (p != NULL) + merror ("realloc (p, 0) failed."); + + p = malloc (0); + if (p == NULL) + merror ("malloc (0) failed."); + + p = realloc (p, 0); + if (p != NULL) + merror ("realloc (p, 0) failed."); + + p = malloc (513 * 1024); + if (p == NULL) + merror ("malloc (513K) failed."); + + DIAG_PUSH_NEEDS_COMMENT; +#if __GNUC_PREREQ (7, 0) + /* GCC 7 warns about too-large allocations; here we want to test + that they fail. */ + DIAG_IGNORE_NEEDS_COMMENT (7, "-Walloc-size-larger-than="); +#endif + q = malloc (-512 * 1024); + DIAG_POP_NEEDS_COMMENT; + if (q != NULL) + merror ("malloc (-512K) succeeded."); + + free (p); + + return errors != 0; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |