initial import

1 files changed, 54 insertions, 0 deletions

diff --git a/pppd_plugin/src/util.h b/pppd_plugin/src/util.h
new file mode 100644
index 0000000..1ed5079
--- /dev/null
+++ b/pppd_plugin/src/util.h
@@ -0,0 +1,54 @@
+/* util.h ....... error message utilities.
+ *                C. Scott Ananian <cananian@alumni.princeton.edu>
+ *
+ * $Id: util.h,v 1.6 2005/03/10 01:18:20 quozl Exp $
+ */
+
+#ifndef INC_UTIL_H
+#define INC_UTIL_H
+
+/* log_string is an identifier for this pptp process, passed from
+   command line using --log-string=X, and included with every log message.
+   Useful for people with multiple pptp sessions open at a time */
+extern char * log_string;
+
+/* log_level sets the logging verbosity. Values range from 0 (errors only)
+   to 1 (errors and warnings) to 2 (high verbosity, for debugging) */
+extern int    log_level;
+
+void _log(const char *func, const char *file, int line, const char *format, ...)
+     __attribute__ ((format (printf, 4, 5)));
+void _warn(const char *func, const char *file, int line, const char *format, ...)
+     __attribute__ ((format (printf, 4, 5)));
+void _fatal(const char *func, const char *file, int line, const char *format, ...)
+     __attribute__ ((format (printf, 4, 5))) __attribute__ ((noreturn));
+
+#define log(format, args...) \
+	_log(__FUNCTION__,__FILE__,__LINE__, format , ## args)
+#define warn(format, args...) \
+	_warn(__FUNCTION__,__FILE__,__LINE__, format , ## args)
+#define fatal(format, args...) \
+	_fatal(__FUNCTION__,__FILE__,__LINE__, format , ## args)
+
+int file2fd(const char *path, const char *mode, int fd);
+
+/* signal to pipe delivery implementation */
+
+/* create a signal pipe, returns 0 for success, -1 with errno for failure */
+int sigpipe_create();
+
+/* generic handler for signals, writes signal number to pipe */
+void sigpipe_handler(int signum);
+
+/* assign a signal number to the pipe */
+void sigpipe_assign(int signum);
+
+/* return the signal pipe read file descriptor for select(2) */
+int sigpipe_fd();
+
+/* read and return the pending signal from the pipe */
+int sigpipe_read();
+
+void sigpipe_close();
+
+#endif /* INC_UTIL_H */