1 files changed, 65 insertions, 0 deletions
diff --git a/libc-bottom-half/headers/public/wasi/libc.h b/libc-bottom-half/headers/public/wasi/libc.h
new file mode 100644
index 0000000..b50518b
--- /dev/null
+++ b/libc-bottom-half/headers/public/wasi/libc.h
@@ -0,0 +1,65 @@
+#ifndef __wasi_libc_h
+#define __wasi_libc_h
+
+#include <__typedef_off_t.h>
+#include <__struct_timespec.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+struct stat;
+struct timespec;
+
+/// Register the given pre-opened file descriptor under the given path.
+///
+/// This function does not take ownership of `prefix` (it makes its own copy).
+int __wasilibc_register_preopened_fd(int fd, const char *prefix);
+
+/// Renumber `fd` to `newfd`; similar to `dup2` but does a move rather than a
+/// copy.
+int __wasilibc_fd_renumber(int fd, int newfd)
+    __attribute__((__warn_unused_result__));
+
+/// Like `unlinkat`, but without depending on `__wasi_path_remove_directory`.
+int __wasilibc_unlinkat(int fd, const char *path)
+    __attribute__((__warn_unused_result__));
+
+/// An `*at` version of rmdir.
+int __wasilibc_rmdirat(int fd, const char *path)
+    __attribute__((__warn_unused_result__));
+
+/// Like `open`, but without the varargs in the signature.
+int __wasilibc_open_nomode(const char *path, int oflag);
+
+/// Like `openat`, but without the varargs in the signature.
+int __wasilibc_openat_nomode(int fd, const char *path, int oflag);
+
+/// Return the current file offset. Like `lseek(fd, 0, SEEK_CUR)`, but without
+/// depending on `lseek`.
+off_t __wasilibc_tell(int fd)
+    __attribute__((__warn_unused_result__));
+
+/* Non-`at` forms of various `*at` functions. */
+int __wasilibc_access(const char *pathname, int mode, int flags)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_stat(const char *__restrict pathname, struct stat *__restrict statbuf, int flags)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_utimens(const char *pathname, const struct timespec times[2], int flags)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_link(const char *oldpath, const char *newpath, int flags)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_link_oldat(int olddirfd, const char *oldpath, const char *newpath, int flags)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_link_newat(const char *oldpath, int newdirfd, const char *newpath, int flags)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_rename_oldat(int olddirfd, const char *oldpath, const char *newpath)
+    __attribute__((__warn_unused_result__));
+int __wasilibc_rename_newat(const char *oldpath, int newdirfd, const char *newpath)
+    __attribute__((__warn_unused_result__));
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif