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authorLaurent Bercot <ska-skaware@skarnet.org>2026-05-23 16:28:30 +0000
committerLaurent Bercot <ska-skaware@skarnet.org>2026-05-23 16:28:30 +0000
commit697a2b56d4ea3915fb072973dc6eab99c8ff8ae7 (patch)
tree5d24af9a473fe7530996a9b2798ec65816efafdd
parent0ae3ef2e7fb685daa6afcd2114cd5585b3a00bda (diff)
downloads6-697a2b56d4ea3915fb072973dc6eab99c8ff8ae7.tar.gz
Better stralloc contract in s6_supervise_unlink_names
Assume sa->len is 0 at invocation of registerit(). Reset it to 0 before exiting it. So sa is always available as scratch space.
-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 a6c7be5..5731c34 100644
--- a/src/libs6/s6_supervise_unlink_names.c
+++ b/src/libs6/s6_supervise_unlink_names.c
@@ -17,8 +17,8 @@
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) ;
- sa->len = 0 ;
if (sarealpath(sa, fn) == -1) return 0 ;
+ sa->len = 0 ;
return ftrigr_subscribe(a, id, 0, 0, sa->s, "x", deadline, stamp) ;
}