1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
/* Copyright (c) 2011 Eric Blake <eblake@redhat.com> */
/* POSIX variant of strerror_r. */
#undef __STRICT_ANSI__
#include <errno.h>
#include <string.h>
int
__xpg_strerror_r (int errnum,
char *buffer,
size_t n)
{
char *error;
int result = 0;
if (!n)
return ERANGE;
error = _strerror_r (errnum, 1, &result);
if (strlen (error) >= n)
{
memcpy (buffer, error, n - 1);
buffer[n - 1] = '\0';
return ERANGE;
}
strcpy (buffer, error);
return (result || *error) ? result : EINVAL;
}
|
