SHA256
1
0
forked from pool/glibc
glibc/confstr.patch

305 lines
9.3 KiB
Diff

diff --git a/posix/confstr.c b/posix/confstr.c
index 3c9566d..cad6561 100644
--- a/posix/confstr.c
+++ b/posix/confstr.c
@@ -1,5 +1,4 @@
-/* Copyright (C) 1991,1996,1997,2000-2004,2009,2010 Free
- Software Foundation, Inc.
+/* Copyright (C) 1991-2012 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -35,6 +34,10 @@ confstr (name, buf, len)
const char *string = "";
size_t string_len = 1;
+ /* Note that this buffer must be large enough for the longest strings
+ used below. */
+ char restenvs[4 * sizeof "POSIX_V7_LPBIG_OFFBIG"];
+
switch (name)
{
case _CS_PATH:
@@ -53,59 +56,55 @@ confstr (name, buf, len)
wint_t types are no greater than the width of type long.
Currently this means all environment which the system allows. */
- {
- char restenvs[4 * sizeof "POSIX_V7_LPBIG_OFFBIG"];
-
- string_len = 0;
+ string_len = 0;
#ifndef _POSIX_V7_ILP32_OFF32
- if (__sysconf (_SC_V7_ILP32_OFF32) > 0)
+ if (__sysconf (_SC_V7_ILP32_OFF32) > 0)
#endif
#if !defined _POSIX_V7_ILP32_OFF32 || _POSIX_V7_ILP32_OFF32 > 0
- {
- memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFF32",
- sizeof "POSIX_V7_ILP32_OFF32" - 1);
- string_len += sizeof "POSIX_V7_ILP32_OFF32" - 1;
- }
+ {
+ memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFF32",
+ sizeof "POSIX_V7_ILP32_OFF32" - 1);
+ string_len += sizeof "POSIX_V7_ILP32_OFF32" - 1;
+ }
#endif
#ifndef _POSIX_V7_ILP32_OFFBIG
- if (__sysconf (_SC_V7_ILP32_OFFBIG) > 0)
+ if (__sysconf (_SC_V7_ILP32_OFFBIG) > 0)
#endif
#if !defined _POSIX_V7_ILP32_OFFBIG || _POSIX_V7_ILP32_OFFBIG > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFFBIG",
- sizeof "POSIX_V7_ILP32_OFFBIG" - 1);
- string_len += sizeof "POSIX_V7_ILP32_OFFBIG" - 1;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "POSIX_V7_ILP32_OFFBIG",
+ sizeof "POSIX_V7_ILP32_OFFBIG" - 1);
+ string_len += sizeof "POSIX_V7_ILP32_OFFBIG" - 1;
+ }
#endif
#ifndef _POSIX_V7_LP64_OFF64
- if (__sysconf (_SC_V7_LP64_OFF64) > 0)
+ if (__sysconf (_SC_V7_LP64_OFF64) > 0)
#endif
#if !defined _POSIX_V7_LP64_OFF64 || _POSIX_V7_LP64_OFF64 > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "POSIX_V7_LP64_OFF64",
- sizeof "POSIX_V7_LP64_OFF64" - 1);
- string_len += sizeof "POSIX_V7_LP64_OFF64" - 1;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "POSIX_V7_LP64_OFF64",
+ sizeof "POSIX_V7_LP64_OFF64" - 1);
+ string_len += sizeof "POSIX_V7_LP64_OFF64" - 1;
+ }
#endif
#ifndef _POSIX_V7_LPBIG_OFFBIG
- if (__sysconf (_SC_V7_LPBIG_OFFBIG) > 0)
+ if (__sysconf (_SC_V7_LPBIG_OFFBIG) > 0)
#endif
#if !defined _POSIX_V7_LPBIG_OFFBIG || _POSIX_V7_LPBIG_OFFBIG > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "POSIX_V7_LPBIG_OFFBIG",
- sizeof "POSIX_V7_LPBIG_OFFBIG" - 1);
- string_len += sizeof "POSIX_V7_LPBIG_OFFBIG" - 1;
- }
-#endif
- restenvs[string_len++] = '\0';
- string = restenvs;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "POSIX_V7_LPBIG_OFFBIG",
+ sizeof "POSIX_V7_LPBIG_OFFBIG" - 1);
+ string_len += sizeof "POSIX_V7_LPBIG_OFFBIG" - 1;
+ }
+#endif
+ restenvs[string_len++] = '\0';
+ string = restenvs;
break;
case _CS_V6_WIDTH_RESTRICTED_ENVS:
@@ -116,59 +115,55 @@ confstr (name, buf, len)
wint_t types are no greater than the width of type long.
Currently this means all environment which the system allows. */
- {
- char restenvs[4 * sizeof "POSIX_V6_LPBIG_OFFBIG"];
-
- string_len = 0;
+ string_len = 0;
#ifndef _POSIX_V6_ILP32_OFF32
- if (__sysconf (_SC_V6_ILP32_OFF32) > 0)
+ if (__sysconf (_SC_V6_ILP32_OFF32) > 0)
#endif
#if !defined _POSIX_V6_ILP32_OFF32 || _POSIX_V6_ILP32_OFF32 > 0
- {
- memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFF32",
- sizeof "POSIX_V6_ILP32_OFF32" - 1);
- string_len += sizeof "POSIX_V6_ILP32_OFF32" - 1;
- }
+ {
+ memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFF32",
+ sizeof "POSIX_V6_ILP32_OFF32" - 1);
+ string_len += sizeof "POSIX_V6_ILP32_OFF32" - 1;
+ }
#endif
#ifndef _POSIX_V6_ILP32_OFFBIG
- if (__sysconf (_SC_V6_ILP32_OFFBIG) > 0)
+ if (__sysconf (_SC_V6_ILP32_OFFBIG) > 0)
#endif
#if !defined _POSIX_V6_ILP32_OFFBIG || _POSIX_V6_ILP32_OFFBIG > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFFBIG",
- sizeof "POSIX_V6_ILP32_OFFBIG" - 1);
- string_len += sizeof "POSIX_V6_ILP32_OFFBIG" - 1;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "POSIX_V6_ILP32_OFFBIG",
+ sizeof "POSIX_V6_ILP32_OFFBIG" - 1);
+ string_len += sizeof "POSIX_V6_ILP32_OFFBIG" - 1;
+ }
#endif
#ifndef _POSIX_V6_LP64_OFF64
- if (__sysconf (_SC_V6_LP64_OFF64) > 0)
+ if (__sysconf (_SC_V6_LP64_OFF64) > 0)
#endif
#if !defined _POSIX_V6_LP64_OFF64 || _POSIX_V6_LP64_OFF64 > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "POSIX_V6_LP64_OFF64",
- sizeof "POSIX_V6_LP64_OFF64" - 1);
- string_len += sizeof "POSIX_V6_LP64_OFF64" - 1;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "POSIX_V6_LP64_OFF64",
+ sizeof "POSIX_V6_LP64_OFF64" - 1);
+ string_len += sizeof "POSIX_V6_LP64_OFF64" - 1;
+ }
#endif
#ifndef _POSIX_V6_LPBIG_OFFBIG
- if (__sysconf (_SC_V6_LPBIG_OFFBIG) > 0)
+ if (__sysconf (_SC_V6_LPBIG_OFFBIG) > 0)
#endif
#if !defined _POSIX_V6_LPBIG_OFFBIG || _POSIX_V6_LPBIG_OFFBIG > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "POSIX_V6_LPBIG_OFFBIG",
- sizeof "POSIX_V6_LPBIG_OFFBIG" - 1);
- string_len += sizeof "POSIX_V6_LPBIG_OFFBIG" - 1;
- }
-#endif
- restenvs[string_len++] = '\0';
- string = restenvs;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "POSIX_V6_LPBIG_OFFBIG",
+ sizeof "POSIX_V6_LPBIG_OFFBIG" - 1);
+ string_len += sizeof "POSIX_V6_LPBIG_OFFBIG" - 1;
+ }
+#endif
+ restenvs[string_len++] = '\0';
+ string = restenvs;
break;
case _CS_V5_WIDTH_RESTRICTED_ENVS:
@@ -179,59 +174,55 @@ confstr (name, buf, len)
wint_t types are no greater than the width of type long.
Currently this means all environment which the system allows. */
- {
- char restenvs[4 * sizeof "XBS5_LPBIG_OFFBIG"];
-
- string_len = 0;
+ string_len = 0;
#ifndef _XBS5_ILP32_OFF32
- if (__sysconf (_SC_XBS5_ILP32_OFF32) > 0)
+ if (__sysconf (_SC_XBS5_ILP32_OFF32) > 0)
#endif
#if !defined _XBS5_ILP32_OFF32 || _XBS5_ILP32_OFF32 > 0
- {
- memcpy (restenvs + string_len, "XBS5_ILP32_OFF32",
- sizeof "XBS5_ILP32_OFF32" - 1);
- string_len += sizeof "XBS5_ILP32_OFF32" - 1;
- }
+ {
+ memcpy (restenvs + string_len, "XBS5_ILP32_OFF32",
+ sizeof "XBS5_ILP32_OFF32" - 1);
+ string_len += sizeof "XBS5_ILP32_OFF32" - 1;
+ }
#endif
#ifndef _XBS5_ILP32_OFFBIG
- if (__sysconf (_SC_XBS5_ILP32_OFFBIG) > 0)
+ if (__sysconf (_SC_XBS5_ILP32_OFFBIG) > 0)
#endif
#if !defined _XBS5_ILP32_OFFBIG || _XBS5_ILP32_OFFBIG > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "XBS5_ILP32_OFFBIG",
- sizeof "XBS5_ILP32_OFFBIG" - 1);
- string_len += sizeof "XBS5_ILP32_OFFBIG" - 1;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "XBS5_ILP32_OFFBIG",
+ sizeof "XBS5_ILP32_OFFBIG" - 1);
+ string_len += sizeof "XBS5_ILP32_OFFBIG" - 1;
+ }
#endif
#ifndef _XBS5_LP64_OFF64
- if (__sysconf (_SC_XBS5_LP64_OFF64) > 0)
+ if (__sysconf (_SC_XBS5_LP64_OFF64) > 0)
#endif
#if !defined _XBS5_LP64_OFF64 || _XBS5_LP64_OFF64 > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "XBS5_LP64_OFF64",
- sizeof "XBS5_LP64_OFF64" - 1);
- string_len += sizeof "XBS5_LP64_OFF64" - 1;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "XBS5_LP64_OFF64",
+ sizeof "XBS5_LP64_OFF64" - 1);
+ string_len += sizeof "XBS5_LP64_OFF64" - 1;
+ }
#endif
#ifndef _XBS5_LPBIG_OFFBIG
- if (__sysconf (_SC_XBS5_LPBIG_OFFBIG) > 0)
+ if (__sysconf (_SC_XBS5_LPBIG_OFFBIG) > 0)
#endif
#if !defined _XBS5_LPBIG_OFFBIG || _XBS5_LPBIG_OFFBIG > 0
- {
- if (string_len)
- restenvs[string_len++] = '\n';
- memcpy (restenvs + string_len, "XBS5_LPBIG_OFFBIG",
- sizeof "XBS5_LPBIG_OFFBIG" - 1);
- string_len += sizeof "XBS5_LPBIG_OFFBIG" - 1;
- }
-#endif
- restenvs[string_len++] = '\0';
- string = restenvs;
- }
+ {
+ if (string_len)
+ restenvs[string_len++] = '\n';
+ memcpy (restenvs + string_len, "XBS5_LPBIG_OFFBIG",
+ sizeof "XBS5_LPBIG_OFFBIG" - 1);
+ string_len += sizeof "XBS5_LPBIG_OFFBIG" - 1;
+ }
+#endif
+ restenvs[string_len++] = '\0';
+ string = restenvs;
break;
case _CS_XBS5_ILP32_OFF32_CFLAGS: