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[hurd,commited] hurd: Fix errlist error mapping
From: |
Samuel Thibault |
Subject: |
[hurd,commited] hurd: Fix errlist error mapping |
Date: |
Mon, 23 Aug 2021 19:09:26 +0200 |
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.
---
stdio-common/errlist.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/stdio-common/errlist.c b/stdio-common/errlist.c
index 928e966b58..d6f667e1ab 100644
--- a/stdio-common/errlist.c
+++ b/stdio-common/errlist.c
@@ -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>
--
2.32.0
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