diff options
Diffstat (limited to 'libstdc++-v3/docs/html/ext/howto.html')
| -rw-r--r-- | libstdc++-v3/docs/html/ext/howto.html | 99 |
1 files changed, 61 insertions, 38 deletions
diff --git a/libstdc++-v3/docs/html/ext/howto.html b/libstdc++-v3/docs/html/ext/howto.html index 3d08c570385..3289619625c 100644 --- a/libstdc++-v3/docs/html/ext/howto.html +++ b/libstdc++-v3/docs/html/ext/howto.html @@ -41,10 +41,11 @@ <ul> <li><a href="#1">Ropes and trees and hashes, oh my!</a></li> <li><a href="#2">Added members and types</a></li> - <li><a href="#3">Allocators (versions 3.0, 3.1, 3.2)</a></li> - <li><a href="#6">Allocators (version 3.3)</a></li> + <li><a href="#3">Allocators (versions 3.0, 3.1, 3.2, 3.3)</a></li> + <li><a href="#6">Allocators (version 3.4)</a></li> <li><a href="#4">Compile-time checks</a></li> <li><a href="#5">LWG Issues</a></li> + <li><a href="../18_support/howto.html#5">Demangling</a></li> </ul> <hr /> @@ -124,47 +125,16 @@ <a href="sgiexts.html">their own page</a>. Since the SGI STL is no longer actively maintained, we will try and keep this code working ourselves.</li> - <li>3.0.x <code>filebuf</code>s have another ctor with this signature: - <br /> - <code>basic_filebuf(__c_file_type*, ios_base::openmode, int_type);</code> - <br />This comes in very handy in a number of places, such as - attaching Unix sockets, pipes, and anything else which uses file - descriptors, into the IOStream buffering classes. The three - arguments are as follows: - <ul> - <li><code>__c_file_type* F </code> - // the __c_file_type typedef usually boils down to stdio's FILE - </li> - <li><code>ios_base::openmode M </code> - // same as all the other uses of openmode - </li> - <li><code>int_type B </code> - // buffer size, defaults to BUFSIZ if not specified - </li> - </ul> - For those wanting to use file descriptors instead of FILE*'s, I - invite you to contemplate the mysteries of C's <code>fdopen()</code>. - </li> - <li>In library snapshot 3.0.95 and later, <code>filebuf</code>s bring - back an old extension: the <code>fd()</code> member function. The - integer returned from this function can be used for whatever file - descriptors can be used for on your platform. Naturally, the - library cannot track what you do on your own with a file descriptor, - so if you perform any I/O directly, don't expect the library to be - aware of it. - </li> - <li>Beginning with 3.1, the extra <code>filebuf</code> constructor and - the <code>fd()</code> function were removed from the standard - filebuf. Instead, <code><ext/stdio_filebuf.h></code> contains - a derived class called <code>__gnu_cxx::stdio_filebuf</code>. - </li> + <li>Extensions allowing <code>filebuf</code>s to be constructed from + stdio types are described in the + <a href="../27_io/howto.html#11">chapter 27 notes</a>.</li> </ul> <p>Return <a href="#top">to top of page</a> or <a href="../faq/index.html">to the FAQ</a>. </p> <hr /> -<h2><a name="3">Allocators (versions 3.0, 3.1, 3.2)</a></h2> +<h2><a name="3">Allocators (versions 3.0, 3.1, 3.2, 3.3)</a></h2> <p>Thread-safety, space efficiency, high speed, portability... this is a mess. Where to begin? </p> @@ -391,9 +361,14 @@ </p> <hr /> -<h2><a name="6">Allocators (version 3.3)</a></h2> +<h2><a name="6">Allocators (version 3.4)</a></h2> <p>Changes are coming... </p> + <p>If you plan on writing your own allocators, + <a href="../documentation.html#4">source documentation</a> is + available. You'll need to get the "maintainers" collection + in order to see the helper classes and extra notes. + </p> <p>Return <a href="#top">to top of page</a> or <a href="../faq/index.html">to the FAQ</a>. </p> @@ -456,6 +431,13 @@ <dd>Apparently extracting Boolean values was messed up... </dd> + <dt><a href="lwg-defects.html#19">19</a>: + <em>"Noconv" definition too vague</em> + </dt> + <dd>If <code>codecvt::do_in</code> returns <code>noconv</code> there are + no changes to the values in <code>[to, to_limit)</code>. + </dd> + <dt><a href="lwg-defects.html#22">22</a>: <em>Member open vs flags</em> </dt> @@ -488,6 +470,13 @@ "copying stream state" was deemed too complicated. </dd> + <dt><a href="lwg-defects.html#60">60</a>: + <em>What is a formatted input function?</em> + </dt> + <dd>This DR made many widespread changes to <code>basic_istream</code>, + not all of which have been implemented. + </dd> + <dt><a href="lwg-defects.html#68">68</a>: <em>Extractors for char* should store null at end</em> </dt> @@ -508,6 +497,13 @@ <code>max_size()</code> rather than <code>npos</code>. </dd> + <dt><a href="lwg-defects.html#90">90</a>: + <em>Incorrect description of operator>> for strings</em> + </dt> + <dd>The effect contain <code>isspace(c,getloc())</code> which must be + replaced by <code>isspace(c,is.getloc())</code>. + </dd> + <dt><a href="lwg-defects.html#109">109</a>: <em>Missing binders for non-const sequence elements</em> </dt> @@ -562,6 +558,12 @@ calculating an incorrect number of characters to write. </dd> + <dt><a href="lwg-defects.html#171">171</a>: + <em>Strange seekpos() semantics due to joint position</em> + </dt> + <dd>Quite complex to summarize... + </dd> + <dt><a href="lwg-defects.html#181">181</a>: <em>make_pair() unintended behavior</em> </dt> @@ -590,6 +592,20 @@ for const instances. </dd> + <dt><a href="lwg-active.html#231">231</a>: + <em>Precision in iostream?</em> + </dt> + <dd>For conversion from a floating-point type, <code>str.precision()</code> + is specified in the conversion specification. + </dd> + + <dt><a href="lwg-defects.html#235">235</a>: + <em>No specification of default ctor for reverse_iterator</em> + </dt> + <dd>The declaration of <code>reverse_iterator</code> lists a default constructor. + However, no specification is given what this constructor should do. + </dd> + <dt><a href="lwg-defects.html#251">251</a>: <em>basic_stringbuf missing allocator_type</em> </dt> @@ -610,6 +626,13 @@ are trivial), since no description of them was ever given. </dd> + <dt><a href="lwg-defects.html#271">271</a>: + <em>basic_iostream missing typedefs</em> + </dt> + <dd>The typedefs it inherits from its base classes can't be used, since + (for example) <code>basic_iostream<T>::traits_type</code> is ambiguous. + </dd> + <dt><a href="lwg-defects.html#275">275</a>: <em>Wrong type in num_get::get() overloads</em> </dt> |