view Python/strerror.c @ 39459:ce11c6c1939d legacy-trunk

Verify verdat which is returned from malloc is not NULL. Ensure we don't pass NULL to free. Klocwork #306 (at least the first part, checking malloc)
author Neal Norwitz <nnorwitz@gmail.com>
date Sat, 12 Aug 2006 03:18:50 +0000
parents 86fdf8fe7f17
children
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;
}