user/libc: preserve cwd through exec()

1 files changed, 5 insertions, 1 deletions

diff --git a/src/user/lib/include/unistd.h b/src/user/lib/include/unistd.h
index aedca1b..2b75a13 100644
--- a/src/user/lib/include/unistd.h
+++ b/src/user/lib/include/unistd.h
@@ -10,8 +10,12 @@ 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 in == NULL - return the length of cwd. Doesn't include the trailing slash,
+ *                 except for the root dir. Includes the null byte.
  * 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);
+
+// TODO put in an internal libc header
+void __setinitialcwd(const char *c);