Kernel+LibC: Implement readv

We already had writev, so let's just add readv too.
Author: https://github.com/alimpfard Commit: a3a7ab83c4 Pull-request: https://github.com/SerenityOS/serenity/pull/5325 Issue: https://github.com/SerenityOS/serenity/issues/90 Reviewed-by: https://github.com/BenWiederhake Reviewed-by: https://github.com/linusg Reviewed-by: https://github.com/sunverwerth
2025-08-13 11:39:43 +00:00 · 2021-02-12 05:40:03 +03:30 · 2021-02-12 05:40:03 +03:30 · a3a7ab83c4 · 2024-07-18 22:15:14 +09:00
commit a3a7ab83c4
parent 1e79c04616
5 changed files with 68 additions and 1 deletions
--- a/Userland/Libraries/LibC/sys/uio.cpp
+++ b/Userland/Libraries/LibC/sys/uio.cpp
@ -35,4 +35,10 @@ ssize_t writev(int fd, const struct iovec* iov, int iov_count)
    int rc = syscall(SC_writev, fd, iov, iov_count);
    __RETURN_WITH_ERRNO(rc, rc, -1);
 }
+
+ssize_t readv(int fd, const struct iovec* iov, int iov_count)
+{
+    int rc = syscall(SC_readv, fd, iov, iov_count);
+    __RETURN_WITH_ERRNO(rc, rc, -1);
+}
 }