--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/openalbridge/errlib.c	Sun Oct 11 20:14:55 2009 +0000
@@ -0,0 +1,96 @@
+/*
+ 
+ module: errlib.c
+ 
+ purpose: library of error functions
+ 
+ reference: Stevens, Unix network programming (2ed), p.922
+ 
+ */
+
+#include "errlib.h"
+
+
+#define MAXLINE 4095
+
+#ifdef __CPLUSPLUS
+extern "C" {
+#endif 
+        
+        int daemon_proc = 0; /* set to 0 if stdout/stderr available, else set to 1 */
+        
+        static void err_doit (int errnoflag, int level, const char *fmt, va_list ap)
+        {
+                int errno_save = errno, n;
+                char buf[MAXLINE+1];
+                
+                vsnprintf (buf, MAXLINE, fmt, ap);
+                n = strlen(buf);
+                if (errnoflag)
+                        snprintf (buf+n, MAXLINE-n, ": %s", strerror(errno_save));
+                strcat (buf, "\n");
+                
+                if (daemon_proc)
+                        syslog (level, buf);
+                else {
+                        fflush (stdout);
+                        fputs (buf, stderr);
+                        fflush (stderr);
+                }
+                
+                return;
+        }
+        
+        void err_ret (const char *fmt, ...)
+        {
+                va_list ap;
+                
+                va_start (ap, fmt);
+                err_doit (1, LOG_INFO, fmt, ap);
+                va_end (ap);
+                return;
+        }
+        
+        void err_sys (const char *fmt, ...)
+        {
+                va_list ap;
+                
+                va_start (ap, fmt);
+                err_doit (1, LOG_ERR, fmt, ap);
+                va_end (ap);
+                exit (1);
+        }
+        
+        void err_msg (const char *fmt, ...)
+        {
+                va_list ap;
+                
+                va_start (ap, fmt);
+                err_doit (0, LOG_INFO, fmt, ap);
+                va_end (ap);
+                return;
+        }
+        
+        void err_quit (const char *fmt, ...)
+        {
+                va_list ap;
+                
+                va_start (ap, fmt);
+                err_doit (0, LOG_ERR, fmt, ap);
+                va_end (ap);
+                exit (1);
+        }
+        
+        void err_dump (const char *fmt, ...)
+        {
+                va_list ap;
+                
+                va_start (ap, fmt);
+                err_doit (1, LOG_ERR, fmt, ap);
+                va_end (ap);
+                abort();
+        }
+        
+#ifdef __CPLUSPLUS
+}
+#endif