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hurd: Fix errlist error mapping

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On the Hurd, the errno values don't start at 0, so _sys_errlist_internal
needs index remapping. The _sys_errlist_internal definition already properly
uses ERR_MAP, but __get_errlist and __get_errname were not.
This commit is contained in:
Samuel Thibault 2021-08-23 19:06:49 +02:00
parent c5e4c0dd0f
commit 5eb3e2c794
1 changed files with 7 additions and 5 deletions
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12
stdio-common/errlist.c
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@ -34,8 +34,9 @@ const char *const _sys_errlist_internal[] =
const char *
__get_errlist (int errnum)
{
if (errnum >= 0 && errnum < array_length (_sys_errlist_internal))
return _sys_errlist_internal[errnum];
int mapped = ERR_MAP (errnum);
if (mapped >= 0 && mapped < array_length (_sys_errlist_internal))
return _sys_errlist_internal[mapped];
return NULL;
}
@ -67,10 +68,11 @@ static const unsigned short _sys_errnameidx[] =
const char *
__get_errname (int errnum)
{
if (errnum < 0 || errnum >= array_length (_sys_errnameidx)
|| (errnum > 0 && _sys_errnameidx[errnum] == 0))
int mapped = ERR_MAP (errnum);
if (mapped < 0 || mapped >= array_length (_sys_errnameidx)
|| (mapped > 0 && _sys_errnameidx[mapped] == 0))
return NULL;
return _sys_errname.str + _sys_errnameidx[errnum];
return _sys_errname.str + _sys_errnameidx[mapped];
}
#include <errlist-compat.c>