Merged revisions 68292,68344,68361,68378,68424,68426,68429-68430,68450,68457,68480-68481,68493,68495,68499,68501,68512,68514-68515 via svnmerge from

svn+ssh://pythondev@svn.python.org/python/trunk

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  r68292 | skip.montanaro | 2009-01-04 11:36:58 +0100 (So, 04 Jan 2009) | 3 lines

  If user configures --without-gcc give preference to $CC instead of blindly
  assuming the compiler will be "cc".
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  r68344 | marc-andre.lemburg | 2009-01-05 20:43:35 +0100 (Mo, 05 Jan 2009) | 7 lines

  Fix #4846 (Py_UNICODE_ISSPACE causes linker error) by moving the declaration
  into the extern "C" section.

  Add a few more comments and apply some minor edits to make the file contents
  fit the original structure again.
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  r68361 | antoine.pitrou | 2009-01-06 19:34:08 +0100 (Di, 06 Jan 2009) | 3 lines

  Use shutil.rmtree rather than os.rmdir.
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  r68378 | mark.dickinson | 2009-01-07 18:48:33 +0100 (Mi, 07 Jan 2009) | 2 lines

  Issue #4869: clarify documentation for random.expovariate.
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  r68424 | benjamin.peterson | 2009-01-09 03:53:35 +0100 (Fr, 09 Jan 2009) | 1 line

  specify what -3 warnings are about
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  r68426 | benjamin.peterson | 2009-01-09 04:03:05 +0100 (Fr, 09 Jan 2009) | 1 line

  fix spelling
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  r68429 | benjamin.peterson | 2009-01-09 04:05:14 +0100 (Fr, 09 Jan 2009) | 1 line

  add -3 to manpage
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  r68430 | benjamin.peterson | 2009-01-09 04:07:27 +0100 (Fr, 09 Jan 2009) | 1 line

  be more specific in -3 option help
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  r68450 | jeffrey.yasskin | 2009-01-09 17:47:07 +0100 (Fr, 09 Jan 2009) | 3 lines

  Fix issue 4884, preventing a crash in the socket code when python is compiled
  with llvm-gcc and run with a glibc <2.10.
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  r68457 | kristjan.jonsson | 2009-01-09 21:10:59 +0100 (Fr, 09 Jan 2009) | 1 line

  Issue 3677:  Fix import from UNC paths on Windows.
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  r68480 | vinay.sajip | 2009-01-10 14:38:04 +0100 (Sa, 10 Jan 2009) | 1 line

  Minor documentation changes cross-referencing NullHandler to the documentation on configuring logging in a library.
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  r68481 | vinay.sajip | 2009-01-10 14:42:04 +0100 (Sa, 10 Jan 2009) | 1 line

  Corrected an incorrect self-reference.
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  r68493 | benjamin.peterson | 2009-01-10 18:18:55 +0100 (Sa, 10 Jan 2009) | 1 line

  rewrite verbose conditionals
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  r68495 | benjamin.peterson | 2009-01-10 18:36:44 +0100 (Sa, 10 Jan 2009) | 1 line

  tp_iter only exists with Py_TPFLAGS_HAVE_ITER #4901
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  r68499 | mark.dickinson | 2009-01-10 20:14:55 +0100 (Sa, 10 Jan 2009) | 2 lines

  Remove an unnecessary check from test_decimal.
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  r68501 | vinay.sajip | 2009-01-10 20:22:57 +0100 (Sa, 10 Jan 2009) | 1 line

  Corrected minor typo and added .currentmodule directives to fix missing cross-references.
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  r68512 | benjamin.peterson | 2009-01-10 23:42:10 +0100 (Sa, 10 Jan 2009) | 1 line

  make tests fail if they can't be imported
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  r68514 | benjamin.peterson | 2009-01-11 00:41:59 +0100 (So, 11 Jan 2009) | 1 line

  move seealso to a more appropiate place
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  r68515 | benjamin.peterson | 2009-01-11 00:49:08 +0100 (So, 11 Jan 2009) | 1 line

  macos 9 isn't supported
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2 files changed, 37 insertions, 10 deletions

diff --git a/Include/pyport.h b/Include/pyport.h
index 15c8644..54411f2 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -709,6 +709,15 @@ typedef	struct fd_set {
 #define Py_FORMAT_PARSETUPLE(func,p1,p2)
 #endif
 
+/*
+ * Specify alignment on compilers that support it.
+ */
+#if defined(__GNUC__) && __GNUC__ >= 3
+#define Py_ALIGNED(x) __attribute__((aligned(x)))
+#else
+#define Py_ALIGNED(x)
+#endif
+
 /* Eliminate end-of-loop code not reached warnings from SunPro C
  * when using do{...}while(0) macros
  */
diff --git a/Include/unicodeobject.h b/Include/unicodeobject.h
index cff0ac3..2e399a0 100644
--- a/Include/unicodeobject.h
+++ b/Include/unicodeobject.h
@@ -130,6 +130,10 @@ typedef unsigned int Py_UCS4;
 typedef unsigned long Py_UCS4; 
 #endif
 
+/* Py_UNICODE is the native Unicode storage format (code unit) used by
+   Python and represents a single Unicode element in the Unicode
+   type. */
+
 typedef PY_UNICODE_TYPE Py_UNICODE;
 
 /* --- UCS-2/UCS-4 Name Mangling ------------------------------------------ */
@@ -350,12 +354,12 @@ typedef PY_UNICODE_TYPE Py_UNICODE;
 
 #else
 
-/* Since splitting on whitespace is an important use case, and whitespace
-   in most situations is solely ASCII whitespace, we optimize for the common
-   case by using a quick look-up table with an inlined check.
- */
-PyAPI_DATA(const unsigned char) _Py_ascii_whitespace[];
+/* Since splitting on whitespace is an important use case, and
+   whitespace in most situations is solely ASCII whitespace, we
+   optimize for the common case by using a quick look-up table
+   _Py_ascii_whitespace (see below) with an inlined check.
 
+ */
 #define Py_UNICODE_ISSPACE(ch) \
 	((ch) < 128U ? _Py_ascii_whitespace[(ch)] : _PyUnicode_IsWhitespace(ch))
 
@@ -389,13 +393,14 @@ PyAPI_DATA(const unsigned char) _Py_ascii_whitespace[];
 #define Py_UNICODE_COPY(target, source, length)				\
 	Py_MEMCPY((target), (source), (length)*sizeof(Py_UNICODE))
 
-#define Py_UNICODE_FILL(target, value, length) do\
-    {Py_ssize_t i_; Py_UNICODE *t_ = (target); Py_UNICODE v_ = (value);\
+#define Py_UNICODE_FILL(target, value, length) \
+    do {Py_ssize_t i_; Py_UNICODE *t_ = (target); Py_UNICODE v_ = (value);\
         for (i_ = 0; i_ < (length); i_++) t_[i_] = v_;\
     } while (0)
 
-/* check if substring matches at given offset.  the offset must be
+/* Check if substring matches at given offset.  the offset must be
    valid, and the substring must not be empty */
+
 #define Py_UNICODE_MATCH(string, offset, substring) \
     ((*((string)->str + (offset)) == *((substring)->str)) && \
     ((*((string)->str + (offset) + (substring)->length-1) == *((substring)->str + (substring)->length-1))) && \
@@ -405,8 +410,6 @@ PyAPI_DATA(const unsigned char) _Py_ascii_whitespace[];
 extern "C" {
 #endif
 
-PyAPI_FUNC(int) PyUnicode_ClearFreeList(void);
-
 /* --- Unicode Type ------------------------------------------------------- */
 
 typedef struct {
@@ -605,6 +608,17 @@ PyAPI_FUNC(Py_ssize_t) PyUnicode_AsWideChar(
 
 PyAPI_FUNC(PyObject*) PyUnicode_FromOrdinal(int ordinal);
 
+/* --- Free-list management ----------------------------------------------- */
+
+/* Clear the free list used by the Unicode implementation.
+
+   This can be used to release memory used for objects on the free
+   list back to the Python memory allocator.
+
+*/
+
+PyAPI_FUNC(int) PyUnicode_ClearFreeList(void);
+
 /* === Builtin Codecs ===================================================== 
 
    Many of these APIs take two arguments encoding and errors. These
@@ -1323,6 +1337,10 @@ PyAPI_FUNC(PyObject *) _PyUnicode_XStrip(
 
 /* === Characters Type APIs =============================================== */
 
+/* Helper array used by Py_UNICODE_ISSPACE(). */
+
+PyAPI_DATA(const unsigned char) _Py_ascii_whitespace[];
+
 /* These should not be used directly. Use the Py_UNICODE_IS* and
    Py_UNICODE_TO* macros instead.