1 files changed, 76 insertions, 0 deletions
diff --git a/lib/util/sig2str.c b/lib/util/sig2str.c
new file mode 100644
index 0000000..a6d4c1a
--- /dev/null
+++ b/lib/util/sig2str.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2012-2014 Todd C. Miller <Todd.Miller@sudo.ws>
+ *
+ * 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.
+ */
+
+/*
+ * This is an open source non-commercial project. Dear PVS-Studio, please check it.
+ * PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
+ */
+
+#include <config.h>
+
+#ifndef HAVE_SIG2STR
+
+#include <sys/types.h>
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#include <signal.h>
+#include <unistd.h>
+
+#include "sudo_compat.h"
+
+#if defined(HAVE_DECL_SYS_SIGNAME) && HAVE_DECL_SYS_SIGNAME == 1
+#  define sudo_sys_signame	sys_signame
+#elif defined(HAVE_DECL__SYS_SIGNAME) && HAVE_DECL__SYS_SIGNAME == 1
+#  define sudo_sys_signame	_sys_signame
+#elif defined(HAVE_DECL_SYS_SIGABBREV) && HAVE_DECL_SYS_SIGABBREV == 1
+#  define sudo_sys_signame	sys_sigabbrev
+#else
+# ifdef HAVE_SYS_SIGABBREV
+   /* sys_sigabbrev is not declared by glibc */
+#  define sudo_sys_signame	sys_sigabbrev
+# endif
+extern const char *const sudo_sys_signame[NSIG];
+#endif
+
+/*
+ * Translate signal number to name.
+ */
+int
+sudo_sig2str(int signo, char *signame)
+{
+#if defined(SIGRTMIN) && defined(SIGRTMAX)
+    /* Realtime signal support as per Solaris. */
+    if (signo >= SIGRTMIN && signo <= SIGRTMAX) {
+	snprintf(signame, SIG2STR_MAX, "RTMIN+%d", (signo - SIGRTMIN));
+	return 0;
+    }
+#endif
+    if (signo > 0 && signo < NSIG && sudo_sys_signame[signo] != NULL) {
+	strlcpy(signame, sudo_sys_signame[signo], SIG2STR_MAX);
+	return 0;
+    }
+    errno = EINVAL;
+    return -1;
+}
+#endif /* HAVE_SIG2STR */