From: Jonathan Wakely <jwakely@redhat.com>
To: gcc-patches@gcc.gnu.org
Subject: [PATCH] doc: Add explanation of zero-length array example
Date: Wed, 26 Apr 2023 17:15:39 +0100 [thread overview]
Message-ID: <20230426161539.1571701-1-jwakely@redhat.com> (raw)
As suggested here:
https://gcc.gnu.org/pipermail/gcc/2023-April/241190.html
OK for trunk?
-- >8 --
gcc/ChangeLog:
* doc/extend.texi (Zero Length): Describe example.
---
gcc/doc/extend.texi | 3 +++
1 file changed, 3 insertions(+)
diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 84b44cb9916..06134a50ad2 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -1705,6 +1705,9 @@ struct line *thisline = (struct line *)
thisline->length = this_length;
@end smallexample
+In this example, @code{thisline->contents} is an array of @code{char} that
+can hold up to @code{thisline->length} bytes.
+
Although the size of a zero-length array is zero, an array member of
this kind may increase the size of the enclosing type as a result of tail
padding. The offset of a zero-length array member from the beginning
--
2.40.0
next reply other threads:[~2023-04-26 16:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-26 16:15 Jonathan Wakely [this message]
2023-04-27 7:24 ` Richard Biener
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