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-rw-r--r--src/libs6/s6_supervise_unlink_names.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libs6/s6_supervise_unlink_names.c b/src/libs6/s6_supervise_unlink_names.c
index 5731c34..8389c1d 100644
--- a/src/libs6/s6_supervise_unlink_names.c
+++ b/src/libs6/s6_supervise_unlink_names.c
@@ -17,7 +17,7 @@
static int registerit (ftrigr *a, uint32_t *id, char *fn, size_t len, stralloc *sa, tain const *deadline, tain *stamp)
{
memcpy(fn + len, "/" S6_SUPERVISE_EVENTDIR, sizeof(S6_SUPERVISE_EVENTDIR) + 1) ;
- if (sarealpath(sa, fn) == -1) return 0 ;
+ if (sarealpath(sa, fn) == -1 || !stralloc_0(sa)) return 0 ;
sa->len = 0 ;
return ftrigr_subscribe(a, id, 0, 0, sa->s, "x", deadline, stamp) ;
}