user/libc: prepare for OpenED port

1 files changed, 14 insertions, 5 deletions

diff --git a/src/user/lib/unistd.c b/src/user/lib/unistd.c
index 9d0c479..f40b876 100644
--- a/src/user/lib/unistd.c
+++ b/src/user/lib/unistd.c
@@ -20,6 +20,20 @@ int close(handle_t h) {
 _Noreturn void exit(int c) {
 	_syscall_exit(c);
 }
+_Noreturn void _exit(int c) { exit(c); };
+
+// TODO unlink
+int unlink(const char *path) {
+	(void)path;
+	errno = ENOSYS;
+	return -1;
+}
+
+// TODO isatty
+int isatty(int fd) {
+	return fd <= 2 ? 1 : 0;
+}
+
 
 int execv(const char *path, char *const argv[]) {
 	FILE *file = fopen(path, "r");
@@ -48,11 +62,6 @@ int execv(const char *path, char *const argv[]) {
 	return -1;
 }
 
-// stdlib.h
-_Noreturn void abort(void) {
-	_syscall_exit(1);
-}
-
 
 static const char *__initialcwd;
 static char *cwd = NULL, *cwd2 = NULL;