user/libc: cwd

1 files changed, 9 insertions, 0 deletions

diff --git a/src/user/lib/include/unistd.h b/src/user/lib/include/unistd.h
index 4f367ca..aedca1b 100644
--- a/src/user/lib/include/unistd.h
+++ b/src/user/lib/include/unistd.h
@@ -6,3 +6,12 @@ int close(handle_t h);
 _Noreturn void exit(int);
 
 int execv(const char *path, char *const argv[]);
+
+int chdir(const char *path);
+char *getcwd(char *buf, size_t size);
+/* Converts a relative path to an absolute one, simplifying it if possible.
+ * If in == NULL - return the length of cwd (without a trailing slash)
+ * If size isn't enough to fit the path, returns the amount of bytes needed to fit
+ * it, including the null byte.
+ * @return 0 on failure, length of the path otherwise */
+size_t absolutepath(char *out, const char *in, size_t size);