3 files changed, 18 insertions, 10 deletions
diff --git a/src/legacy/cuserid.c b/src/legacy/cuserid.c
index 4e78798d..dcaf73d4 100644
--- a/src/legacy/cuserid.c
+++ b/src/legacy/cuserid.c
@@ -2,13 +2,21 @@
 #include <pwd.h>
 #include <stdio.h>
 #include <unistd.h>
+#include <string.h>
 
 char *cuserid(char *buf)
 {
+	static char usridbuf[L_cuserid];
 	struct passwd pw, *ppw;
 	long pwb[256];
-	if (getpwuid_r(geteuid(), &pw, (void *)pwb, sizeof pwb, &ppw))
-		return 0;
-	snprintf(buf, L_cuserid, "%s", pw.pw_name);
+	if (buf) *buf = 0;
+	getpwuid_r(geteuid(), &pw, (void *)pwb, sizeof pwb, &ppw);
+	if (!ppw)
+		return buf;
+	size_t len = strnlen(pw.pw_name, L_cuserid);
+	if (len == L_cuserid)
+		return buf;
+	if (!buf) buf = usridbuf;
+	memcpy(buf, pw.pw_name, len+1);
 	return buf;
 }
diff --git a/src/legacy/ftw.c b/src/legacy/ftw.c
index 506bd29c..e757fc6f 100644
--- a/src/legacy/ftw.c
+++ b/src/legacy/ftw.c
@@ -7,5 +7,3 @@ int ftw(const char *path, int (*fn)(const char *, const struct stat *, int), int
 	 * actually undefined, but works on all real-world machines. */
 	return nftw(path, (int (*)())fn, fd_limit, FTW_PHYS);
 }
-
-weak_alias(ftw, ftw64);
diff --git a/src/legacy/lutimes.c b/src/legacy/lutimes.c
index 2e5502d1..dd465923 100644
--- a/src/legacy/lutimes.c
+++ b/src/legacy/lutimes.c
@@ -6,9 +6,11 @@
 int lutimes(const char *filename, const struct timeval tv[2])
 {
 	struct timespec times[2];
-	times[0].tv_sec  = tv[0].tv_sec;
-	times[0].tv_nsec = tv[0].tv_usec * 1000;
-	times[1].tv_sec  = tv[1].tv_sec;
-	times[1].tv_nsec = tv[1].tv_usec * 1000;
-	return utimensat(AT_FDCWD, filename, times, AT_SYMLINK_NOFOLLOW);
+	if (tv) {
+		times[0].tv_sec  = tv[0].tv_sec;
+		times[0].tv_nsec = tv[0].tv_usec * 1000;
+		times[1].tv_sec  = tv[1].tv_sec;
+		times[1].tv_nsec = tv[1].tv_usec * 1000;
+	}
+	return utimensat(AT_FDCWD, filename, tv ? times : 0, AT_SYMLINK_NOFOLLOW);
 }