cat/cat-mmap: print newline if file doesn't end in one

2024-01-02 23:27:13 +02:00
parent 9fa13079f2
commit 1bd33e76e5
2 changed files with 8 additions and 0 deletions
--- a/userspace/cat-mmap/main.cpp
+++ b/userspace/cat-mmap/main.cpp
@@ -23,6 +23,10 @@ bool cat_file(int fd)
 	if (nwrite == -1)
 		perror("write");

+	if (static_cast<uint8_t*>(addr)[st.st_size - 1] != '\n')
+		if (write(STDOUT_FILENO, "\n", 1) == -1)
+			perror("write");
+
 	if (munmap(addr, st.st_size) == -1)
 	{
 		perror("munmap");