closes bpo-34599: Improve performance of _Py_bytes_capitalize(). (GH-… · python-emscripten/cpython@593bb30 · GitHub

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Commit 593bb30

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sir-sigurd

authored and

benjaminp

committed

closes bpo-34599: Improve performance of _Py_bytes_capitalize(). (pythonGH-9083)

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+3-17Lines changed: 3 additions & 17 deletions

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‎Objects/bytes_methods.c‎

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+3-17Lines changed: 3 additions & 17 deletions

Original file line number	Diff line number	Diff line change
@@ -361,23 +361,9 @@ and the rest lower-cased.");
361	361	void
362	362	_Py_bytes_capitalize(char *result, const char *s, Py_ssize_t len)
363	363	{
364		- Py_ssize_t i;
365		-
366		- if (0 < len) {
367		- int c = Py_CHARMASK(*s++);
368		- if (Py_ISLOWER(c))
369		- *result = Py_TOUPPER(c);
370		- else
371		- *result = c;
372		- result++;
373		- }
374		- for (i = 1; i < len; i++) {
375		- int c = Py_CHARMASK(*s++);
376		- if (Py_ISUPPER(c))
377		- *result = Py_TOLOWER(c);
378		- else
379		- *result = c;
380		- result++;
	364	+ if (len > 0) {
	365	+ *result = Py_TOUPPER(*s);
	366	+ _Py_bytes_lower(result + 1, s + 1, len - 1);
381	367	}
382	368	}
383	369

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