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Change XPG-compliant strerror_r function to return error code.

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This commit is contained in:
Ulrich Drepper
2010-12-25 13:56:48 -05:00
parent 8bdf4e6eb8
commit 98727dbea2
3 changed files with 14 additions and 22 deletions
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13
string/xpg-strerror.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2004
/* Copyright (C) 1991, 1993, 1995, 1996, 1997, 1998, 2000, 2002, 2004, 2010
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -39,18 +39,13 @@ __xpg_strerror_r (int errnum, char *buf, size_t buflen)
{
if (errnum < 0 || errnum >= _sys_nerr_internal
|| _sys_errlist_internal[errnum] == NULL)
{
__set_errno (EINVAL);
return -1;
}
return EINVAL;
const char *estr = (const char *) _(_sys_errlist_internal[errnum]);
size_t estrlen = strlen (estr) + 1;
if (buflen < estrlen)
{
__set_errno (ERANGE);
return -1;
}
return ERANGE;
memcpy (buf, estr, estrlen);
return 0;