split out fs related helper funcs as lib code

This way we can use the funcs in other modules.  It makes scanelf
a little bigger (~1k), but shouldn't be a big deal overall.

1 files changed, 5 insertions, 0 deletions

diff --git a/paxinc.h b/paxinc.h
index e687b3a..f761b2e 100644
--- a/paxinc.h
+++ b/paxinc.h
@@ -123,4 +123,9 @@ extern const char argv0[];
 #define errf(fmt, args...) _err(warnf, fmt, ## args)
 #define errp(fmt, args...) _err(warnp, fmt , ## args)
 
+/* File system helper functions. */
+extern int root_fd;
+FILE *fopenat_r(int dir_fd, const char *path);
+const char *root_rel_path(const char *path);
+
 #endif /* _PAX_INC_H */