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FFI: Clarify docs wrt. string initializers for byte arrays.

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Mike Pall 2011-06-24 20:47:56 +02:00
parent 29e89adfa7
commit e613cb7695
1 changed files with 6 additions and 2 deletions
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doc/ext_ffi_semantics.html
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@ -461,8 +461,8 @@ when a single initializer is given. Otherwise they are treated like
regular arrays.</li> regular arrays.</li>
<li>Aggregate types (arrays and structs) accept either a single <li>Aggregate types (arrays and structs) accept either a single
<a href="#init_table">table initializer</a> or a flat list of initializers. <a href="#init_table">table initializer</a> or a flat list of
Byte arrays can be initialized with a Lua string, too.</li> initializers.</li>
<li>The elements of an array are initialized, starting at index zero. <li>The elements of an array are initialized, starting at index zero.
If a single initializer is given for an array, it's repeated for all If a single initializer is given for an array, it's repeated for all
@ -470,6 +470,10 @@ remaining elements. This doesn't happen if two or more initializers
are given: all remaining uninitialized elements are filled with zero are given: all remaining uninitialized elements are filled with zero
bytes.</li> bytes.</li>
<li>Byte arrays may also be initialized with a Lua string. This copies
the whole string plus a terminating zero-byte. The copy stops early only
if the array has a known, fixed size.</li>
<li>The fields of a <tt>struct</tt> are initialized in the order of <li>The fields of a <tt>struct</tt> are initialized in the order of
their declaration. Uninitialized fields are filled with zero their declaration. Uninitialized fields are filled with zero
bytes.</li> bytes.</li>