1 files changed, 110 insertions, 0 deletions

diff --git a/src/lib/libc/string/__strerror.c b/src/lib/libc/string/__strerror.c
new file mode 100644
index 0000000000..15436eaab2
--- /dev/null
+++ b/src/lib/libc/string/__strerror.c
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 1988 Regents of the University of California.
+ * 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. 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: __strerror.c,v 1.10 2003/06/02 20:18:38 millert Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#ifdef NLS
+#define catclose        _catclose
+#define catgets         _catgets
+#define catopen         _catopen
+#include <nl_types.h>
+#endif
+
+#define sys_errlist     _sys_errlist
+#define sys_nerr        _sys_nerr
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <string.h>
+
+static char *
+itoa(num)
+        int num;
+{
+        static char buffer[11];
+        char *p;
+
+        p = buffer + 4;
+        while (num >= 10) {
+                *--p = (num % 10) + '0';
+                num /= 10;
+        }
+        *p = (num % 10) + '0';
+        return p;
+}
+
+/*
+ * Since perror() is not allowed to change the contents of strerror()'s
+ * static buffer, both functions supply their own buffers to the
+ * internal function __strerror().
+ */
+
+char *
+__strerror(num, buf)
+        int num;
+        char *buf;
+{
+#define UPREFIX "Unknown error: "
+        register unsigned int errnum;
+#ifdef NLS
+        int save_errno;
+        nl_catd catd;
+
+        catd = catopen("libc", 0);
+#endif
+
+        errnum = num;                           /* convert to unsigned */
+        if (errnum < sys_nerr) {
+#ifdef NLS
+                strlcpy(buf, catgets(catd, 1, errnum,
+                    (char *)sys_errlist[errnum]), NL_TEXTMAX);
+#else
+                return(sys_errlist[errnum]);
+#endif
+        } else {
+#ifdef NLS
+                strlcpy(buf, catgets(catd, 1, 0xffff, UPREFIX), NL_TEXTMAX);
+#else
+                strlcpy(buf, UPREFIX, NL_TEXTMAX);
+#endif
+                strlcat(buf, itoa(errnum), NL_TEXTMAX);
+                errno = EINVAL;
+        }
+
+#ifdef NLS
+        save_errno = errno;
+        catclose(catd);
+        errno = save_errno;
+#endif
+
+        return buf;
+}