xrealloc -> xreallocarray in portable code too.
diff --git a/uidswap.c b/uidswap.c
index c339283..f2713fd 100644
--- a/uidswap.c
+++ b/uidswap.c
@@ -86,7 +86,7 @@
if (saved_egroupslen < 0)
fatal("getgroups: %.100s", strerror(errno));
if (saved_egroupslen > 0) {
- saved_egroups = xrealloc(saved_egroups,
+ saved_egroups = xreallocarray(saved_egroups,
saved_egroupslen, sizeof(gid_t));
if (getgroups(saved_egroupslen, saved_egroups) < 0)
fatal("getgroups: %.100s", strerror(errno));
@@ -104,7 +104,7 @@
if (user_groupslen < 0)
fatal("getgroups: %.100s", strerror(errno));
if (user_groupslen > 0) {
- user_groups = xrealloc(user_groups,
+ user_groups = xreallocarray(user_groups,
user_groupslen, sizeof(gid_t));
if (getgroups(user_groupslen, user_groups) < 0)
fatal("getgroups: %.100s", strerror(errno));