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[Minios-devel] [UNIKRAFT PATCH 1/2] lib/ukmmap: Add stub for mremap
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- From: Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
- Date: Mon, 18 Nov 2019 15:58:34 +0000
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- Cc: "felipe.huici@xxxxxxxxx" <felipe.huici@xxxxxxxxx>, Vlad-Andrei BĂDOIU (78692) <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
- Delivery-date: Mon, 18 Nov 2019 15:58:45 +0000
- List-id: Mini-os development list <minios-devel.lists.xenproject.org>
- Thread-index: AQHVnikI45NozXwI7EyHvKhIQnM64g==
- Thread-topic: [UNIKRAFT PATCH 1/2] lib/ukmmap: Add stub for mremap
The stub returns -1 in order to avoid bad memory accesses by the calling
function.
Signed-off-by: Vlad-Andrei Badoiu <vlad_andrei.badoiu@xxxxxxxxxxxxxxx>
---
lib/ukmmap/exportsyms.uk | 1 +
lib/ukmmap/mmap.c | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/lib/ukmmap/exportsyms.uk b/lib/ukmmap/exportsyms.uk
index a31c636b..6b8c116d 100644
--- a/lib/ukmmap/exportsyms.uk
+++ b/lib/ukmmap/exportsyms.uk
@@ -1,2 +1,3 @@
mmap
munmap
+mremap
diff --git a/lib/ukmmap/mmap.c b/lib/ukmmap/mmap.c
index 4e24f379..52c49e24 100644
--- a/lib/ukmmap/mmap.c
+++ b/lib/ukmmap/mmap.c
@@ -164,3 +164,9 @@ int munmap(void *addr, size_t len)
/* unimplemented munmap */
return 0;
}
+
+void *mremap(void *old_address, size_t old_size, size_t new_size,
+ int flags, ...)
+{
+ return -1;
+}
--
2.20.1
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