Added strerror to the release; fixed usage of Has* in the config Imakefile

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@3351 dc483132-0cff-0310-8789-dd5450dbe970

diff --git a/src/lib/krb5/posix/strerror.c b/src/lib/krb5/posix/strerror.c
new file mode 100644 (file)
index 0000000..5aea7e7
--- /dev/null
+++ b/src/lib/krb5/posix/strerror.c
@@ -0,0 +1,67 @@
+/*
+ * 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. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. 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 sccsid[] = "@(#)strerror.c 5.6 (Berkeley) 5/4/91";
+#endif /* LIBC_SCCS and not lint */
+
+#include <string.h>
+
+char *
+strerror(num)
+       int num;
+{
+       extern int sys_nerr;
+       extern char *sys_errlist[];
+#define        UPREFIX "Unknown error: "
+       static char ebuf[40] = UPREFIX;         /* 64-bit number + slop */
+       register unsigned int errnum;
+       register char *p, *t;
+       char tmp[40];
+
+       errnum = num;                           /* convert to unsigned */
+       if (errnum < sys_nerr)
+               return(sys_errlist[errnum]);
+
+       /* Do this by hand, so we don't include stdio(3). */
+       t = tmp;
+       do {
+               *t++ = "0123456789"[errnum % 10];
+       } while (errnum /= 10);
+       for (p = ebuf + sizeof(UPREFIX) - 1;;) {
+               *p++ = *--t;
+               if (t <= tmp)
+                       break;
+       }
+       return(ebuf);
+}