Mercurial > cpython-lru_cache-weakref
view Python/strerror.c @ 31618:bc006682acb2 legacy-trunk
SF patch #910929: Optimize list comprehensions
Add a new opcode, LIST_APPEND, and apply it to the code generation for
list comprehensions. Reduces the per-loop overhead by about a third.
| author | Raymond Hettinger <python@rcn.com> |
|---|---|
| date | Sun, 07 Mar 2004 07:31:06 +0000 |
| parents | 86fdf8fe7f17 |
| children |
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/* PD implementation of strerror() for systems that don't have it. Author: Guido van Rossum, CWI Amsterdam, Oct. 1990, <guido@cwi.nl>. */ #include <stdio.h> #include "Python.h" extern int sys_nerr; extern char *sys_errlist[]; char * strerror(int err) { static char buf[20]; if (err >= 0 && err < sys_nerr) return sys_errlist[err]; PyOS_snprintf(buf, sizeof(buf), "Unknown errno %d", err); return buf; }
