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
line wrap: on
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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