~aleteoryx/muditaos: [EGD-5596] Fix fread() handling of EOF

0cea74888868b24f01bba4b916e754b04041ca98 — Wiktor S. Ovalle Correa 5 years ago dc2059f

[EGD-5596] Fix fread() handling of EOF

iosyscalls' fread() should interpret zero bytes read as EOF.

patch browse .tar.gz

1 files changed, 1 insertions(+), 1 deletions(-)

M board/linux/libiosyscalls/src/syscalls_stdio.cpp

M board/linux/libiosyscalls/src/syscalls_stdio.cpp => board/linux/libiosyscalls/src/syscalls_stdio.cpp +1 -1

@@ 454,7 454,7 @@ extern "C"
                 char *p = reinterpret_cast<char *>(__ptr);
                 do {
                     auto res       = vfs::invoke_fs(&fs::read, fx->fd, p, __size);
-                    const auto eof = res > 0 && size_t(res) < __size;
+                    const auto eof = res >= 0 && size_t(res) < __size;
                     fx->error      = errno;
                     if (res < 0 || eof)
                         break;