Add error routines, similar to those found in Advanced Programming in the
UNIX Environment 2nd ed. for use by all rt test programs
Signed-off-by: John Kacur <jkacur@xxxxxxxxxx>
---
src/lib/error.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
src/lib/error.h | 14 ++++++++++++++
2 files changed, 63 insertions(+), 0 deletions(-)
create mode 100644 src/lib/error.c
create mode 100644 src/lib/error.h
diff --git a/src/lib/error.c b/src/lib/error.c
new file mode 100644
index 0000000..d5ad2aa
--- /dev/null
+++ b/src/lib/error.c
@@ -0,0 +1,49 @@
+#include "error.h"
+
+/* Print an error message, plus a message for err and exit with error err */
+void err_exit(int err, char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ err_doit(err, fmt, ap);
+ va_end(ap);
+ exit(err);
+}
+
+/* print an error message and return */
+void err_msg(char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ err_doit(0, fmt, ap);
+ va_end(ap);
+ return;
+}
+
+/* Print an error message, plus a message for err, and return */
+void err_msg_n(int err, char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ err_doit(err, fmt, ap);
+ va_end(ap);
+ return;
+}
+
+/* print an error message and quit */
+void err_quit(char *fmt, ...)
+{
+ va_list ap;
+ va_start(ap, fmt);
+ err_doit(0, fmt, ap);
+ va_end(ap);
+ exit(1);
+}
+
+void err_doit(int err, const char *fmt, va_list ap)
+{
+ if (err)
+ fprintf(stderr, "%s\n", strerror(err));
+ vfprintf(stderr, fmt, ap);
+ return;
+}
diff --git a/src/lib/error.h b/src/lib/error.h
new file mode 100644
index 0000000..90d6e94
--- /dev/null
+++ b/src/lib/error.h
@@ -0,0 +1,14 @@
+#ifndef __ERROR_H
+#define __ERROR_H
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+void err_exit(int err, char *fmt, ...);
+void err_msg(char *fmt, ...);
+void err_msg_n(int err, char *fmt, ...);
+void err_quit(char *fmt, ...);
+void err_doit(int err, const char *fmt, va_list ap);
+
+#endif /* __ERROR_H */
--
1.6.5.2
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