Add 'corebinutils/sh/' from commit '126b33a9db9b44a56f2c62d18346746ec1330766'

git-subtree-dir: corebinutils/sh
git-subtree-mainline: 96be0a182e0b889a9daf43c04a0b835aa604d280
git-subtree-split: 126b33a9db9b44a56f2c62d18346746ec1330766

1 files changed, 101 insertions, 0 deletions

diff --git a/corebinutils/sh/compat.h b/corebinutils/sh/compat.h
new file mode 100644
index 0000000000..98c58ca2e1
--- /dev/null
+++ b/corebinutils/sh/compat.h
@@ -0,0 +1,101 @@
+/*
+
+SPDX-License-Identifier: BSD-3-Clause
+
+Copyright (c) 2026
+ Project Tick. All rights reserved.
+
+This code is derived from software contributed to Berkeley by
+the Institute of Electrical and Electronics Engineers, Inc.
+
+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.
+
+*/
+
+#ifndef SH_COMPAT_H
+#define SH_COMPAT_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <limits.h>
+#include <time.h>
+
+#ifndef __DECONST
+#define __DECONST(type, var) ((type)(uintptr_t)(const void *)(var))
+#endif
+
+#ifndef nitems
+#define nitems(array) (sizeof(array) / sizeof((array)[0]))
+#endif
+
+#ifndef ALIGNBYTES
+#define ALIGNBYTES (sizeof(uintptr_t) - 1)
+#endif
+
+#ifndef ALIGN
+#define ALIGN(value) (((value) + ALIGNBYTES) & ~ALIGNBYTES)
+#endif
+
+#ifndef _PATH_STDPATH
+#define _PATH_STDPATH "/usr/bin:/bin"
+#endif
+
+#ifndef MAXLOGNAME
+#ifdef LOGIN_NAME_MAX
+#define MAXLOGNAME (LOGIN_NAME_MAX + 1)
+#else
+#define MAXLOGNAME 256
+#endif
+#endif
+
+#ifndef CLOCK_UPTIME
+#define CLOCK_UPTIME CLOCK_MONOTONIC
+#endif
+
+#ifndef timespecsub
+#define timespecsub(a, b, result) do { \
+	(result)->tv_sec = (a)->tv_sec - (b)->tv_sec; \
+	(result)->tv_nsec = (a)->tv_nsec - (b)->tv_nsec; \
+	if ((result)->tv_nsec < 0) { \
+		(result)->tv_sec--; \
+		(result)->tv_nsec += 1000000000L; \
+	} \
+} while (0)
+#endif
+
+#ifndef timespeccmp
+#define timespeccmp(a, b, cmp) \
+	(((a)->tv_sec == (b)->tv_sec) ? \
+	 ((a)->tv_nsec cmp (b)->tv_nsec) : \
+	 ((a)->tv_sec cmp (b)->tv_sec))
+#endif
+
+int sh_issetugid(void);
+size_t sh_strlcpy(char *dst, const char *src, size_t dstsize);
+
+#define issetugid sh_issetugid
+#define strlcpy sh_strlcpy
+
+#endif