initial import

1 files changed, 57 insertions, 0 deletions

diff --git a/src/error.c b/src/error.c
new file mode 100644
index 0000000..c5d718a
--- /dev/null
+++ b/src/error.c
@@ -0,0 +1,57 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <syslog.h>
+
+extern bool use_syslog;
+
+/* error() - Print messages to stderr.
+ *
+ * Args:
+ *     fmt - Message with format strings.
+ *     ... - Optional arguments to fill format strings.
+ *
+ * Returns:
+ *     Nothing.
+ */
+void error(const char *fmt, ...) {
+	char          msg[8192] = {0};
+	va_list       vl;
+
+	va_start(vl, fmt);
+	vsnprintf(msg, sizeof(msg), fmt, vl);
+	va_end(vl);
+
+	fprintf(stderr, "%s\n", msg);
+
+	if (use_syslog) {
+		syslog(LOG_INFO | LOG_USER, "%s", msg);
+	}
+}
+
+/* error_fatal() - Print message to stderr and exit with EXIT_FAILURE
+ *
+ * Args:
+ *     fmt - Message with format strings.
+ *     ... - Optional arguments to fill format strings.
+ *
+ * Returns
+ *    Nothing, but exits the program with EXIT_FAILURE
+ */
+void error_fatal(const char *fmt, ...) {
+	char          msg[8192] = {0};
+	va_list       vl;
+
+	va_start(vl, fmt);
+	vsnprintf(msg, sizeof(msg), fmt, vl);
+	va_end(vl);
+
+	fprintf(stderr, "%s\n", msg);
+
+	if (use_syslog) {
+		syslog(LOG_INFO | LOG_USER, "%s", msg);
+	}
+
+	exit(EXIT_FAILURE);
+}