1 files changed, 4 insertions, 0 deletions
diff --git a/src/diag.c b/src/diag.c
index deb6f26..bb744f6 100644
--- a/src/diag.c
+++ b/src/diag.c
@@ -38,6 +38,10 @@ noreturn void bfs_abortf(const struct bfs_loc *loc, const char *format, ...) {
 	abort();
 }
 
+const char *bfs_errstr(void) {
+	return xstrerror(errno);
+}
+
 const char *debug_flag_name(enum debug_flags flag) {
 	switch (flag) {
 	case DEBUG_COST: