--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/openalbridge/errlib.c	Sat Apr 17 08:30:34 2010 +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);
+            fprintf (stderr, "%s", buf);
+            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