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author | June McEnroe <june@causal.agency> | 2020-12-22 17:37:23 -0500 |
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committer | June McEnroe <june@causal.agency> | 2020-12-22 17:51:26 -0500 |
commit | fe9b61c02999b7bda48319e0155b4c834ede83d8 (patch) | |
tree | 30c4244709154a1939eaf2ec6a3a0d434403fcd6 /bin/dash/src/machdep.h | |
parent | Limit prune.sh to ~/.config ~/.local (diff) | |
parent | Squashed 'bin/dash/' content from commit a45870f (diff) | |
download | src-fe9b61c02999b7bda48319e0155b4c834ede83d8.tar.gz src-fe9b61c02999b7bda48319e0155b4c834ede83d8.zip |
Merge commit '9e55e38997ed4d6998af9e113e215a926c24988e' as 'bin/dash'
From tag 'v0.5.11.2'.
Diffstat (limited to 'bin/dash/src/machdep.h')
-rw-r--r-- | bin/dash/src/machdep.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/bin/dash/src/machdep.h b/bin/dash/src/machdep.h new file mode 100644 index 00000000..f2ff0ad8 --- /dev/null +++ b/bin/dash/src/machdep.h @@ -0,0 +1,47 @@ +/*- + * Copyright (c) 1991, 1993 + * The Regents of the University of California. All rights reserved. + * Copyright (c) 1997-2005 + * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Kenneth Almquist. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)machdep.h 8.2 (Berkeley) 5/4/95 + */ + +/* + * Most machines require the value returned from malloc to be aligned + * in some way. The following macro will get this right on many machines. + */ + +#define SHELL_SIZE (sizeof(union {int i; char *cp; double d; }) - 1) +/* + * It appears that grabstackstr() will barf with such alignments + * because stalloc() will return a string allocated in a new stackblock. + */ +#define SHELL_ALIGN(nbytes) (((nbytes) + SHELL_SIZE) & ~SHELL_SIZE) |