1 files changed, 199 insertions, 0 deletions
diff --git a/bin/dash/src/system.c b/bin/dash/src/system.c
new file mode 100644
index 00000000..844a6410
--- /dev/null
+++ b/bin/dash/src/system.c
@@ -0,0 +1,199 @@
+/*
+ * 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.
+ */
+
+#ifndef HAVE_ISALPHA
+#define isalnum _isalnum
+#define iscntrl _iscntrl
+#define islower _islower
+#define isspace _isspace
+#define isalpha _isalpha
+#define isdigit _isdigit
+#define isprint _isprint
+#define isupper _isupper
+#define isblank _isblank
+#define isgraph _isgraph
+#define ispunct _ispunct
+#define isxdigit _isxdigit
+#include <ctype.h>
+#undef isalnum
+#undef iscntrl
+#undef islower
+#undef isspace
+#undef isalpha
+#undef isdigit
+#undef isprint
+#undef isupper
+#undef isblank
+#undef isgraph
+#undef ispunct
+#undef isxdigit
+#endif
+
+#include <signal.h>
+#include <string.h>
+
+#include "error.h"
+#include "output.h"
+#include "system.h"
+
+#ifndef HAVE_MEMPCPY
+void *mempcpy(void *dest, const void *src, size_t n)
+{
+	return memcpy(dest, src, n) + n;
+}
+#endif
+
+#ifndef HAVE_STPCPY
+char *stpcpy(char *dest, const char *src)
+{
+	size_t len = strlen(src);
+	dest[len] = 0;
+	return mempcpy(dest, src, len);
+}
+#endif
+
+#ifndef HAVE_STRCHRNUL
+char *strchrnul(const char *s, int c)
+{
+	char *p = strchr(s, c);
+	if (!p)
+		p = (char *)s + strlen(s);
+	return p;
+}
+#endif
+
+#ifndef HAVE_STRSIGNAL
+char *strsignal(int sig)
+{
+	static char buf[19];
+
+	if ((unsigned)sig < NSIG && sys_siglist[sig])
+		return (char *)sys_siglist[sig];
+	fmtstr(buf, sizeof(buf), "Signal %d", sig); 
+	return buf;
+}
+#endif
+
+#ifndef HAVE_BSEARCH
+void *bsearch(const void *key, const void *base, size_t nmemb,
+	      size_t size, int (*cmp)(const void *, const void *))
+{
+	while (nmemb) {
+		size_t mididx = nmemb / 2;
+		const void *midobj = base + mididx * size;
+		int diff = cmp(key, midobj);
+
+		if (diff == 0)
+			return (void *)midobj;
+
+		if (diff > 0) {
+			base = midobj + size;
+			nmemb -= mididx + 1;
+		} else
+			nmemb = mididx;
+	}
+
+	return 0;
+}
+#endif
+
+#ifndef HAVE_SYSCONF
+long sysconf(int name)
+{
+	sh_error("no sysconf for: %d", name);
+}
+#endif
+
+#ifndef HAVE_ISALPHA
+int isalnum(int c) {
+	return _isalnum(c);
+}
+
+
+int iscntrl(int c) {
+	return _iscntrl(c);
+}
+
+
+int islower(int c) {
+	return _islower(c);
+}
+
+
+int isspace(int c) {
+	return _isspace(c);
+}
+
+
+int isalpha(int c) {
+	return _isalpha(c);
+}
+
+
+int isdigit(int c) {
+	return _isdigit(c);
+}
+
+
+int isprint(int c) {
+	return _isprint(c);
+}
+
+
+int isupper(int c) {
+	return _isupper(c);
+}
+
+
+#if HAVE_DECL_ISBLANK
+int isblank(int c) {
+	return _isblank(c);
+}
+#endif
+
+
+int isgraph(int c) {
+	return _isgraph(c);
+}
+
+
+int ispunct(int c) {
+	return _ispunct(c);
+}
+
+
+int isxdigit(int c) {
+	return _isxdigit(c);
+}
+#endif
+
+#if !HAVE_DECL_ISBLANK
+int isblank(int c) {
+	return c == ' ' || c == '\t';
+}
+#endif