Return with an error from copy_link(), copy_fifo() and copy_special() if

the -n option is specified and the destination file exists.

PR:		bin/174489
Approved by:	rstone (co-mentor)
MFC after:	2 weeks

1 files changed, 17 insertions, 0 deletions

diff --git a/bin/cp/utils.c b/bin/cp/utils.c
index aa424f8..ad9695c 100644
--- a/bin/cp/utils.c
+++ b/bin/cp/utils.c
@@ -266,6 +266,11 @@ copy_link(const FTSENT *p, int exists)
 	int len;
 	char llink[PATH_MAX];
 
+	if (exists && nflag) {
+		if (vflag)
+			printf("%s not overwritten\n", to.p_path);
+		return (1);
+	}
 	if ((len = readlink(p->fts_path, llink, sizeof(llink) - 1)) == -1) {
 		warn("readlink: %s", p->fts_path);
 		return (1);
@@ -285,6 +290,12 @@ copy_link(const FTSENT *p, int exists)
 int
 copy_fifo(struct stat *from_stat, int exists)
 {
+
+	if (exists && nflag) {
+		if (vflag)
+			printf("%s not overwritten\n", to.p_path);
+		return (1);
+	}
 	if (exists && unlink(to.p_path)) {
 		warn("unlink: %s", to.p_path);
 		return (1);
@@ -299,6 +310,12 @@ copy_fifo(struct stat *from_stat, int exists)
 int
 copy_special(struct stat *from_stat, int exists)
 {
+
+	if (exists && nflag) {
+		if (vflag)
+			printf("%s not overwritten\n", to.p_path);
+		return (1);
+	}
 	if (exists && unlink(to.p_path)) {
 		warn("unlink: %s", to.p_path);
 		return (1);