I'm tired of seeing this done incorrectly and non-portably, so add a

flopen(3) function which reliably opens and locks a file.

MFC after:	3 weeks

1 files changed, 1 insertions, 0 deletions

diff --git a/libutil/libutil.h b/libutil/libutil.h
index aefff0c..4a89856 100644
--- a/libutil/libutil.h
+++ b/libutil/libutil.h
@@ -70,6 +70,7 @@ void	clean_environment(const char * const *_white,
 	    const char * const *_more_white);
 int	extattr_namespace_to_string(int _attrnamespace, char **_string);
 int	extattr_string_to_namespace(const char *_string, int *_attrnamespace);
+int	flopen(const char *_path, int _flags, mode_t _mode);
 void	login(struct utmp *_ut);
 int	login_tty(int _fd);
 int	logout(const char *_line);