From 71c7cbab2b50436db940721a10d6ea1ca5d75f89 Mon Sep 17 00:00:00 2001
From: "C. McEnroe" <june@causal.agency>
Date: Tue, 22 Dec 2020 17:37:23 -0500
Subject: Squashed 'bin/dash/' content from commit a45870f

git-subtree-dir: bin/dash
git-subtree-split: a45870f71f42be6bf3c8eada04debd1008f9dc3e
---
 src/system.h | 118 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 src/system.h

(limited to 'src/system.h')

diff --git a/src/system.h b/src/system.h
new file mode 100644
index 00000000..007952c5
--- /dev/null
+++ b/src/system.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2004
+ *	Herbert Xu <herbert@gondor.apana.org.au>.  All rights reserved.
+ *
+ * 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. The name of the author may not 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.
+ */
+
+#include <limits.h>
+#include <signal.h>
+#include <sys/types.h>
+
+#ifndef SSIZE_MAX
+#define SSIZE_MAX ((ssize_t)((size_t)-1 >> 1))
+#endif
+
+static inline void sigclearmask(void)
+{
+#if defined(HAVE_SIGSETMASK) && \
+    (!defined(__GLIBC__) || \
+     (defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 4006))
+#ifdef __GLIBC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+	sigsetmask(0);
+#ifdef __GLIBC__
+#pragma GCC diagnostic pop
+#endif
+#else
+	sigset_t set;
+	sigemptyset(&set);
+	sigprocmask(SIG_SETMASK, &set, 0);
+#endif
+}
+
+#ifndef HAVE_MEMPCPY
+void *mempcpy(void *, const void *, size_t);
+#endif
+
+#ifndef HAVE_STPCPY
+char *stpcpy(char *, const char *);
+#endif
+
+#ifndef HAVE_STRCHRNUL
+char *strchrnul(const char *, int);
+#endif
+
+#ifndef HAVE_STRSIGNAL
+char *strsignal(int);
+#endif
+
+#ifndef HAVE_STRTOD
+static inline double strtod(const char *nptr, char **endptr)
+{
+	*endptr = (char *)nptr;
+	return 0;
+}
+#endif
+
+#ifndef HAVE_STRTOIMAX
+#define strtoimax strtoll
+#endif
+
+#ifndef HAVE_STRTOUMAX
+#define strtoumax strtoull
+#endif
+
+#ifndef HAVE_BSEARCH
+void *bsearch(const void *, const void *, size_t, size_t,
+	      int (*)(const void *, const void *));
+#endif
+
+#ifndef HAVE_KILLPG
+static inline int killpg(pid_t pid, int signal)
+{
+#ifdef DEBUG
+	if (pid < 0)
+		abort();
+#endif
+	return kill(-pid, signal);
+}
+#endif
+
+#ifndef HAVE_SYSCONF
+#define _SC_CLK_TCK 2
+long sysconf(int) __attribute__((__noreturn__));
+#endif
+
+#if !HAVE_DECL_ISBLANK
+int isblank(int c);
+#endif
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
-- 
cgit 1.4.1