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Clarify docs wrt. table initializer handling for VLA/VLS.

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Mike Pall 2011-05-17 17:58:26 +02:00
parent fb46370e56
commit 3168d9aa59
1 changed files with 6 additions and 1 deletions
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doc/ext_ffi_semantics.html
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@ -506,6 +506,11 @@ with the consecutive table elements, starting at either index
all the remaining elements. Otherwise all remaining uninitialized
elements are filled with zero bytes.</li>
<li>The above logic only applies to arrays with a known fixed size.
A VLA is only initialized with the element(s) given in the table.
Depending on the use case, you may need to explicitly add a
<tt>NULL</tt> or <tt>0</tt> terminator to a VLA.</li>
<li>If the table has a non-empty hash part, a
<tt>struct</tt>/<tt>union</tt> is initialized by looking up each field
name (as a string key) in the table. Each non-<tt>nil</tt> value is
@ -518,7 +523,7 @@ or <tt>[1]</tt>. This process stops at the first <tt>nil</tt> table
element.</li>
<li>Uninitialized fields of a <tt>struct</tt> are filled with zero
bytes.</li>
bytes, except for the trailing VLA of a VLS.</li>
<li>Initialization of a <tt>union</tt> stops after one field has been
initialized. If no field has been initialized, the <tt>union</tt> is