From 1b59478f4cf442f5201500b0a9c66f4332fce640 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Fri, 1 Jan 2021 01:51:18 -0800
Subject: Update from Gnulib by running admin/merge-gnulib.
---
lib/malloc/scratch_buffer.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
(limited to 'lib/malloc/scratch_buffer.h')
diff --git a/lib/malloc/scratch_buffer.h b/lib/malloc/scratch_buffer.h
index 6efca9ba3f4..26e306212d1 100644
--- a/lib/malloc/scratch_buffer.h
+++ b/lib/malloc/scratch_buffer.h
@@ -132,4 +132,20 @@ scratch_buffer_set_array_size (struct scratch_buffer *buffer,
(buffer, nelem, size));
}
+/* Return a copy of *BUFFER's first SIZE bytes as a heap-allocated block,
+ deallocating *BUFFER if it was heap-allocated. SIZE must be at
+ most *BUFFER's size. Return NULL (setting errno) on memory
+ exhaustion. */
+void *__libc_scratch_buffer_dupfree (struct scratch_buffer *buffer,
+ size_t size);
+libc_hidden_proto (__libc_scratch_buffer_dupfree)
+
+/* Alias for __libc_scratch_dupfree. */
+static __always_inline void *
+scratch_buffer_dupfree (struct scratch_buffer *buffer, size_t size)
+{
+ void *r = __libc_scratch_buffer_dupfree (buffer, size);
+ return __glibc_likely (r != NULL) ? r : NULL;
+}
+
#endif /* _SCRATCH_BUFFER_H */
--
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