Imported from util-linux-2.13-pre1 tarball.

1 files changed, 125 insertions, 0 deletions

diff --git a/include/errs.h b/include/errs.h
new file mode 100644
index 00000000..bc0f6944
--- /dev/null
+++ b/include/errs.h
@@ -0,0 +1,125 @@
+#ifndef _ERR_H_
+#define	_ERR_H_
+
+/*-
+ * Copyright (c) 1993
+ *	The 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.
+ */
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+
+
+#ifdef HAVE___PROGNAME
+extern char *__progname;		/* Program name, from crt0. */
+#else
+char *__progname = "foo";		/* probably libc4 */
+#endif
+
+/* Some compilers complain "null format string" upon err(1,NULL) */
+/* Make them happy with a separate routine. */
+static inline void err_nomsg(int exitval) {
+	(void)fprintf(stderr, "%s: %s\n", __progname, strerror(errno));
+	exit(exitval);
+}
+
+static inline void verr(int exitval, const char *fmt, va_list ap) {
+	int sverrno;
+
+	sverrno = errno;
+	(void)fprintf(stderr, "%s: ", __progname);
+	if (fmt != NULL && *fmt != 0) {
+		(void)vfprintf(stderr, fmt, ap);
+		(void)fprintf(stderr, ": ");
+	}
+	(void)fprintf(stderr, "%s\n", strerror(sverrno));
+	exit(exitval);
+}
+
+static inline void err(int exitval, const char *fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	verr(exitval, fmt, ap);
+	va_end(ap);
+}
+
+static inline void verrx(int exitval, const char *fmt, va_list ap) {
+	(void)fprintf(stderr, "%s: ", __progname);
+	if (fmt != NULL)
+		(void)vfprintf(stderr, fmt, ap);
+	(void)fprintf(stderr, "\n");
+	exit(exitval);
+}
+
+static inline void errx(int exitval, const char *fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	verrx(exitval, fmt, ap);
+	va_end(ap);
+}
+
+static inline void vwarn(const char *fmt, va_list ap) {
+	int sverrno;
+
+	sverrno = errno;
+	(void)fprintf(stderr, "%s: ", __progname);
+	if (fmt != NULL) {
+		(void)vfprintf(stderr, fmt, ap);
+		(void)fprintf(stderr, ": ");
+	}
+	(void)fprintf(stderr, "%s\n", strerror(sverrno));
+}
+
+static inline void warn(const char *fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	vwarn(fmt, ap);
+	va_end(ap);
+}
+
+static inline void vwarnx(const char *fmt, va_list ap) {
+	(void)fprintf(stderr, "%s: ", __progname);
+	if (fmt != NULL)
+		(void)vfprintf(stderr, fmt, ap);
+	(void)fprintf(stderr, "\n");
+}
+
+static inline void warnx(const char *fmt, ...) {
+	va_list ap;
+	va_start(ap, fmt);
+	vwarnx(fmt, ap);
+	va_end(ap);
+}
+
+#endif /* !_ERR_H_ */