2 files changed, 95 insertions, 41 deletions

diff --git a/usr/src/lib/libc/port/gen/err.c b/usr/src/lib/libc/port/gen/err.c
index 31c5a7e559..7cf6ef8105 100644
--- a/usr/src/lib/libc/port/gen/err.c
+++ b/usr/src/lib/libc/port/gen/err.c
@@ -23,6 +23,10 @@
  * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
+/*
+ * Copyright 2022 OmniOS Community Edition (OmniOSce) Association.
+ */
+
 #include "lint.h"
 #include "file64.h"
 #include "mtlib.h"
@@ -111,85 +115,71 @@ warnfinish(FILE *fp, rmutex_t *lk)
 	FUNLOCKFILE(lk);
 }
 
-void
-_vwarnxfp(FILE *fp, const char *fmt, va_list args)
+static void
+vwarnfp(FILE *fp, int code, const char *fmt, va_list args)
 {
 	rmutex_t *lk;
 
 	lk = warncore(fp, fmt, args);
+	if (fmt != NULL) {
+		(void) fputc(':', fp);
+		(void) fputc(' ', fp);
+	}
+	(void) fputs(strerror(code), fp);
 	warnfinish(fp, lk);
 }
 
 void
 vwarnx(const char *fmt, va_list args)
 {
-	_vwarnxfp(stderr, fmt, args);
-}
-
-void
-_vwarnfp(FILE *fp, const char *fmt, va_list args)
-{
-	int tmperr = errno;	/* Capture errno now. */
 	rmutex_t *lk;
 
-	lk = warncore(fp, fmt, args);
-	if (fmt != NULL) {
-		(void) fputc(':', fp);
-		(void) fputc(' ', fp);
-	}
-	(void) fputs(strerror(tmperr), fp);
-	warnfinish(fp, lk);
+	lk = warncore(stderr, fmt, args);
+	warnfinish(stderr, lk);
 }
 
 void
 vwarn(const char *fmt, va_list args)
 {
-	_vwarnfp(stderr, fmt, args);
+	vwarnfp(stderr, errno, fmt, args);
 }
 
-/* PRINTFLIKE1 */
 void
-warnx(const char *fmt, ...)
+vwarnc(int code, const char *fmt, va_list args)
 {
-	va_list args;
-
-	va_start(args, fmt);
-	vwarnx(fmt, args);
-	va_end(args);
+	vwarnfp(stderr, code, fmt, args);
 }
 
 void
-_warnfp(FILE *fp, const char *fmt, ...)
+warnx(const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	_vwarnfp(fp, fmt, args);
+	vwarnx(fmt, args);
 	va_end(args);
 }
 
 void
-_warnxfp(FILE *fp, const char *fmt, ...)
+warn(const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	_vwarnxfp(fp, fmt, args);
+	vwarn(fmt, args);
 	va_end(args);
 }
 
-/* PRINTFLIKE1 */
 void
-warn(const char *fmt, ...)
+warnc(int code, const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	vwarn(fmt, args);
+	vwarnc(code, fmt, args);
 	va_end(args);
 }
 
-/* PRINTFLIKE2 */
 void
 err(int status, const char *fmt, ...)
 {
@@ -202,12 +192,12 @@ err(int status, const char *fmt, ...)
 }
 
 void
-_errfp(FILE *fp, int status, const char *fmt, ...)
+errc(int status, int code, const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
-	_vwarnfp(fp, fmt, args);
+	vwarnc(code, fmt, args);
 	va_end(args);
 	exit(status);
 }
@@ -220,13 +210,12 @@ verr(int status, const char *fmt, va_list args)
 }
 
 void
-_verrfp(FILE *fp, int status, const char *fmt, va_list args)
+verrc(int status, int code, const char *fmt, va_list args)
 {
-	_vwarnfp(fp, fmt, args);
+	vwarnc(code, fmt, args);
 	exit(status);
 }
 
-/* PRINTFLIKE2 */
 void
 errx(int status, const char *fmt, ...)
 {
@@ -239,20 +228,77 @@ errx(int status, const char *fmt, ...)
 }
 
 void
-_errxfp(FILE *fp, int status, const char *fmt, ...)
+verrx(int status, const char *fmt, va_list args)
+{
+	vwarnx(fmt, args);
+	exit(status);
+}
+
+/*
+ * The following functions are here as the targets of filters in libipsecutil.
+ */
+
+void
+_vwarnxfp(FILE *fp, const char *fmt, va_list args)
+{
+	rmutex_t *lk;
+
+	lk = warncore(fp, fmt, args);
+	warnfinish(fp, lk);
+}
+
+void
+_vwarnfp(FILE *fp, const char *fmt, va_list args)
+{
+	vwarnfp(fp, errno, fmt, args);
+}
+
+void
+_warnfp(FILE *fp, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	_vwarnfp(fp, fmt, args);
+	va_end(args);
+}
+
+void
+_warnxfp(FILE *fp, const char *fmt, ...)
 {
 	va_list args;
 
 	va_start(args, fmt);
 	_vwarnxfp(fp, fmt, args);
 	va_end(args);
+}
+
+void
+_errfp(FILE *fp, int status, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	_vwarnfp(fp, fmt, args);
+	va_end(args);
 	exit(status);
 }
 
 void
-verrx(int status, const char *fmt, va_list args)
+_verrfp(FILE *fp, int status, const char *fmt, va_list args)
 {
-	vwarnx(fmt, args);
+	_vwarnfp(fp, fmt, args);
+	exit(status);
+}
+
+void
+_errxfp(FILE *fp, int status, const char *fmt, ...)
+{
+	va_list args;
+
+	va_start(args, fmt);
+	_vwarnxfp(fp, fmt, args);
+	va_end(args);
 	exit(status);
 }
 
diff --git a/usr/src/lib/libc/port/mapfile-vers b/usr/src/lib/libc/port/mapfile-vers
index 46f3fa5f07..9ccd7c528e 100644
--- a/usr/src/lib/libc/port/mapfile-vers
+++ b/usr/src/lib/libc/port/mapfile-vers
@@ -27,7 +27,7 @@
 # Copyright (c) 2013, OmniTI Computer Consulting, Inc. All rights reserved.
 # Copyright (c) 2013 Gary Mills
 # Copyright 2014 Garrett D'Amore <garrett@damore.org>
-# Copyright 2020 OmniOS Community Edition (OmniOSce) Association.
+# Copyright 2022 OmniOS Community Edition (OmniOSce) Association.
 #
 
 #
@@ -78,6 +78,14 @@ $if _x86 && _ELF64
 $add amd64
 $endif
 
+SYMBOL_VERSION ILLUMOS_0.40 {
+    protected:
+	errc;
+	verrc;
+	vwarnc;
+	warnc;
+} ILLUMOS_0.39;
+
 SYMBOL_VERSION ILLUMOS_0.39 {
     protected:
 	memrchr;