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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /cmake/stack_direction.c | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.tar.xz mariadb-10.5-a175314c3e5827eb193872241446f2f8f5c9d33c.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'cmake/stack_direction.c')
-rw-r--r-- | cmake/stack_direction.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/cmake/stack_direction.c b/cmake/stack_direction.c new file mode 100644 index 00000000..1f7a5d0b --- /dev/null +++ b/cmake/stack_direction.c @@ -0,0 +1,33 @@ +/* + Copyright (c) 2009 Sun Microsystems, Inc. + Use is subject to license terms. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; version 2 of the License. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */ + +/* Check stack direction (0-down, 1-up) */ +int f(int *a) +{ + int b; + return(&b > a)?1:0; +} +/* + Prevent compiler optimizations by calling function + through pointer. +*/ +volatile int (*ptr_f)(int *) = f; +int main() +{ + int a; + return ptr_f(&a); +} |