lib: Make pcre, libmagic and hivex libraries optional.

[libguestfs.git] / src / guestfs.h

diff --git a/src/guestfs.h b/src/guestfs.h
index 911e956..0f4f9fd 100644 (file)
--- a/src/guestfs.h
+++ b/src/guestfs.h
@@ -35,6 +35,7 @@ extern "C" {
 #endif
 
 #include <stdint.h>
+#include <stdarg.h>
 
 typedef struct guestfs_h guestfs_h;
 
@@ -44,6 +45,8 @@ extern void guestfs_close (guestfs_h *g);
 
 /*--- Error handling ---*/
 extern const char *guestfs_last_error (guestfs_h *g);
+#define LIBGUESTFS_HAVE_LAST_ERRNO 1
+extern int guestfs_last_errno (guestfs_h *g);
 
 typedef void (*guestfs_error_handler_cb) (guestfs_h *g, void *opaque, const char *msg);
 typedef void (*guestfs_abort_cb) (void) __attribute__((__noreturn__));