Top level directory reorg

Move src/po -> po
Combine common and compat -> lib/util
Move zlib -> lib/zlib

lib/util/strsignal.c

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2009-2013 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <config.h>
+
+#ifndef HAVE_STRSIGNAL
+
+#include <sys/types.h>
+
+#include <stdio.h>
+#include <signal.h>
+
+#define DEFAULT_TEXT_DOMAIN	"sudo"
+#include "gettext.h"		/* must be included before missing.h */
+
+#include "missing.h"
+
+#if defined(HAVE_DECL_SYS_SIGLIST) && HAVE_DECL_SYS_SIGLIST == 1
+# define sudo_sys_siglist	sys_siglist
+#elif defined(HAVE_DECL__SYS_SIGLIST) && HAVE_DECL__SYS_SIGLIST == 1
+# define sudo_sys_siglist	_sys_siglist
+#elif defined(HAVE_DECL___SYS_SIGLIST) && HAVE_DECL___SYS_SIGLIST == 1
+# define sudo_sys_siglist	__sys_siglist
+#else
+extern const char *const sudo_sys_siglist[NSIG];
+#endif
+
+/*
+ * Get signal description string
+ */
+char *
+strsignal(int signo)
+{
+    if (signo > 0 && signo < NSIG && sudo_sys_siglist[signo] != NULL)
+	return (char *)sudo_sys_siglist[signo];
+    /* XXX - should be "Unknown signal: %d" */
+    return _("Unknown signal");
+}
+#endif /* HAVE_STRSIGNAL */