Mercurial > cpython-lru_cache-weakref
view Python/strerror.c @ 23305:ef6e31f0cee1 legacy-trunk
builtin_zip(): Take a good guess at how big the result list will be,
and allocate it in one gulp.
This isn't a bugfix, it's just a minor optimization that may or may not
pay off.
| author | Tim Peters <tim.peters@gmail.com> |
|---|---|
| date | Mon, 29 Apr 2002 21:27:32 +0000 |
| parents | 379fc66f4c96 |
| children | 86fdf8fe7f17 |
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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; } #ifdef macintosh int sys_nerr = 0; char *sys_errlist[1] = 0; #endif
