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nixpkgs/pkgs/development/compilers/llvm/10/sanitizers-nongnu.patch
Gabor Greif f111c6f9ce llvmPackages_10: copy llvmPackages_9 
* starting with rc2
* make `lldb` compilable again on Darwin
* separate out manpage creation for `lldb` into a new derivation
* minor tweaks to the patching of sources,
  some of which are backportable to earlier versions
2020-02-25 13:24:27 +01:00

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From f7a253f8f85d0f49df6b73996737a3e84ac64236 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Mon, 24 Sep 2018 11:17:25 -0500
Subject: [PATCH] Ported to 7.0, taken from gentoo-musl project.
------
Ported to compiler-rt-sanitizers-5.0.0. Taken from
https://gist.githubusercontent.com/pwaller/2337f3290f12634cad3e3730cff0a6c1/raw/83c87a8585e2f9662494db5662e5361beb093c26/nongnu.patch
Signed-off-by: Jory A. Pratt <anarchy@gentoo.org>
Taken from gentoo-musl project, with a few additional minor fixes.
---
lib/asan/asan_linux.cc | 4 +-
lib/interception/interception_linux.cc | 2 +-
lib/interception/interception_linux.h | 2 +-
lib/msan/msan_linux.cc | 2 +-
lib/sanitizer_common/sanitizer_allocator.cc | 2 +-
.../sanitizer_common_interceptors_ioctl.inc | 4 +-
.../sanitizer_common_syscalls.inc | 2 +-
lib/sanitizer_common/sanitizer_linux.cc | 8 +++-
.../sanitizer_linux_libcdep.cc | 10 ++---
lib/sanitizer_common/sanitizer_platform.h | 6 +++
.../sanitizer_platform_interceptors.h | 4 +-
.../sanitizer_platform_limits_posix.cc | 37 +++++++++++--------
lib/tsan/rtl/tsan_platform_linux.cc | 2 +-
13 files changed, 51 insertions(+), 34 deletions(-)
diff --git a/lib/asan/asan_linux.cc b/lib/asan/asan_linux.cc
index 625f32d40..73cf77aca 100644
--- a/lib/asan/asan_linux.cc
+++ b/lib/asan/asan_linux.cc
@@ -46,7 +46,7 @@
#include <link.h>
#endif
-#if SANITIZER_ANDROID || SANITIZER_FREEBSD || SANITIZER_SOLARIS
+#if SANITIZER_ANDROID || SANITIZER_FREEBSD || SANITIZER_SOLARIS || SANITIZER_NONGNU
#include <ucontext.h>
extern "C" void* _DYNAMIC;
#elif SANITIZER_NETBSD
@@ -139,7 +139,7 @@ void AsanApplyToGlobals(globals_op_fptr op, const void *needle) {
UNIMPLEMENTED();
}
-#if SANITIZER_ANDROID
+#if SANITIZER_ANDROID || SANITIZER_NONGNU
// FIXME: should we do anything for Android?
void AsanCheckDynamicRTPrereqs() {}
void AsanCheckIncompatibleRT() {}
diff --git a/lib/interception/interception_linux.cc b/lib/interception/interception_linux.cc
index 26bfcd8f6..529b234f7 100644
--- a/lib/interception/interception_linux.cc
+++ b/lib/interception/interception_linux.cc
@@ -43,7 +43,7 @@ bool GetRealFunctionAddress(const char *func_name, uptr *func_addr,
}
// Android and Solaris do not have dlvsym
-#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
+#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD && !SANITIZER_NONGNU
void *GetFuncAddrVer(const char *func_name, const char *ver) {
return dlvsym(RTLD_NEXT, func_name, ver);
}
diff --git a/lib/interception/interception_linux.h b/lib/interception/interception_linux.h
index 942c25609..24a4d5080 100644
--- a/lib/interception/interception_linux.h
+++ b/lib/interception/interception_linux.h
@@ -36,7 +36,7 @@ void *GetFuncAddrVer(const char *func_name, const char *ver);
(::__interception::uptr) & WRAP(func))
// Android, Solaris and OpenBSD do not have dlvsym
-#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD
+#if !SANITIZER_ANDROID && !SANITIZER_SOLARIS && !SANITIZER_OPENBSD && !SANITIZER_NONGNU
#define INTERCEPT_FUNCTION_VER_LINUX_OR_FREEBSD(func, symver) \
(::__interception::real_##func = (func##_f)( \
unsigned long)::__interception::GetFuncAddrVer(#func, symver))
diff --git a/lib/msan/msan_linux.cc b/lib/msan/msan_linux.cc
index 385a650c4..6e30a8ce9 100644
--- a/lib/msan/msan_linux.cc
+++ b/lib/msan/msan_linux.cc
@@ -13,7 +13,7 @@
//===----------------------------------------------------------------------===//
#include "sanitizer_common/sanitizer_platform.h"
-#if SANITIZER_FREEBSD || SANITIZER_LINUX || SANITIZER_NETBSD
+#if SANITIZER_FREEBSD || (SANITIZER_LINUX && !SANITIZER_NONGNU) || SANITIZER_NETBSD
#include "msan.h"
#include "msan_report.h"
diff --git a/lib/sanitizer_common/sanitizer_allocator.cc b/lib/sanitizer_common/sanitizer_allocator.cc
index 6bfd5e5ee..048f6154f 100644
--- a/lib/sanitizer_common/sanitizer_allocator.cc
+++ b/lib/sanitizer_common/sanitizer_allocator.cc
@@ -27,7 +27,7 @@ const char *SecondaryAllocatorName = "LargeMmapAllocator";
// ThreadSanitizer for Go uses libc malloc/free.
#if SANITIZER_GO || defined(SANITIZER_USE_MALLOC)
-# if SANITIZER_LINUX && !SANITIZER_ANDROID
+# if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
extern "C" void *__libc_malloc(uptr size);
# if !SANITIZER_GO
extern "C" void *__libc_memalign(uptr alignment, uptr size);
diff --git a/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc b/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
index 2d633c173..b6eb23116 100644
--- a/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+++ b/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
@@ -104,7 +104,7 @@ static void ioctl_table_fill() {
_(SIOCGETVIFCNT, WRITE, struct_sioc_vif_req_sz);
#endif
-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && !SANITIZER_NONGNU
// Conflicting request ids.
// _(CDROMAUDIOBUFSIZ, NONE, 0);
// _(SNDCTL_TMR_CONTINUE, NONE, 0);
@@ -365,7 +365,7 @@ static void ioctl_table_fill() {
_(VT_WAITACTIVE, NONE, 0);
#endif
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
// _(SIOCDEVPLIP, WRITE, struct_ifreq_sz); // the same as EQL_ENSLAVE
_(CYGETDEFTHRESH, WRITE, sizeof(int));
_(CYGETDEFTIMEOUT, WRITE, sizeof(int));
diff --git a/lib/sanitizer_common/sanitizer_common_syscalls.inc b/lib/sanitizer_common/sanitizer_common_syscalls.inc
index 469c8eb7e..24f87867d 100644
--- a/lib/sanitizer_common/sanitizer_common_syscalls.inc
+++ b/lib/sanitizer_common/sanitizer_common_syscalls.inc
@@ -2038,7 +2038,7 @@ POST_SYSCALL(setrlimit)(long res, long resource, void *rlim) {
}
}
-#if !SANITIZER_ANDROID
+#if !SANITIZER_ANDROID && !SANITIZER_NONGNU
PRE_SYSCALL(prlimit64)(long pid, long resource, const void *new_rlim,
void *old_rlim) {
if (new_rlim) PRE_READ(new_rlim, struct_rlimit64_sz);
diff --git a/lib/sanitizer_common/sanitizer_linux.cc b/lib/sanitizer_common/sanitizer_linux.cc
index 96d6c1eff..9e2b7fb9d 100644
--- a/lib/sanitizer_common/sanitizer_linux.cc
+++ b/lib/sanitizer_common/sanitizer_linux.cc
@@ -541,13 +541,13 @@ const char *GetEnv(const char *name) {
#endif
}
-#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD && !SANITIZER_OPENBSD
+#if !SANITIZER_FREEBSD && !SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_NONGNU
extern "C" {
SANITIZER_WEAK_ATTRIBUTE extern void *__libc_stack_end;
}
#endif
-#if !SANITIZER_GO && !SANITIZER_FREEBSD && !SANITIZER_NETBSD && \
+#if (!SANITIZER_GO || SANITIZER_NONGNU) && !SANITIZER_FREEBSD && !SANITIZER_NETBSD && \
!SANITIZER_OPENBSD
static void ReadNullSepFileToArray(const char *path, char ***arr,
int arr_size) {
@@ -590,6 +590,10 @@ static void GetArgsAndEnv(char ***argv, char ***envp) {
#elif SANITIZER_NETBSD
*argv = __ps_strings->ps_argvstr;
*envp = __ps_strings->ps_envstr;
+#elif SANITIZER_NONGNU
+ static const int kMaxArgv = 2000, kMaxEnvp = 2000;
+ ReadNullSepFileToArray("/proc/self/cmdline", argv, kMaxArgv);
+ ReadNullSepFileToArray("/proc/self/environ", envp, kMaxEnvp);
#else // SANITIZER_FREEBSD
#if !SANITIZER_GO
if (&__libc_stack_end) {
diff --git a/lib/sanitizer_common/sanitizer_linux_libcdep.cc b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
index 4962ff832..438f94dbe 100644
--- a/lib/sanitizer_common/sanitizer_linux_libcdep.cc
+++ b/lib/sanitizer_common/sanitizer_linux_libcdep.cc
@@ -179,7 +179,7 @@ __attribute__((unused)) static bool GetLibcVersion(int *major, int *minor,
}
#if !SANITIZER_FREEBSD && !SANITIZER_ANDROID && !SANITIZER_GO && \
- !SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_SOLARIS
+ !SANITIZER_NETBSD && !SANITIZER_OPENBSD && !SANITIZER_SOLARIS && !SANITIZER_NONGNU
static uptr g_tls_size;
#ifdef __i386__
@@ -261,7 +261,7 @@ void InitTlsSize() { }
#if (defined(__x86_64__) || defined(__i386__) || defined(__mips__) || \
defined(__aarch64__) || defined(__powerpc64__) || defined(__s390__) || \
defined(__arm__)) && \
- SANITIZER_LINUX && !SANITIZER_ANDROID
+ SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
// sizeof(struct pthread) from glibc.
static atomic_uintptr_t thread_descriptor_size;
@@ -426,7 +426,7 @@ int GetSizeFromHdr(struct dl_phdr_info *info, size_t size, void *data) {
#if !SANITIZER_GO
static void GetTls(uptr *addr, uptr *size) {
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
# if defined(__x86_64__) || defined(__i386__) || defined(__s390__)
*addr = ThreadSelf();
*size = GetTlsSize();
@@ -470,7 +470,7 @@ static void GetTls(uptr *addr, uptr *size) {
#elif SANITIZER_OPENBSD
*addr = 0;
*size = 0;
-#elif SANITIZER_ANDROID
+#elif SANITIZER_ANDROID || SANITIZER_NONGNU
*addr = 0;
*size = 0;
#elif SANITIZER_SOLARIS
@@ -486,7 +486,7 @@ static void GetTls(uptr *addr, uptr *size) {
#if !SANITIZER_GO
uptr GetTlsSize() {
#if SANITIZER_FREEBSD || SANITIZER_ANDROID || SANITIZER_NETBSD || \
- SANITIZER_OPENBSD || SANITIZER_SOLARIS
+ SANITIZER_OPENBSD || SANITIZER_SOLARIS || SANITIZER_NONGNU
uptr addr, size;
GetTls(&addr, &size);
return size;
diff --git a/lib/sanitizer_common/sanitizer_platform.h b/lib/sanitizer_common/sanitizer_platform.h
index d81e25580..e10680ac8 100644
--- a/lib/sanitizer_common/sanitizer_platform.h
+++ b/lib/sanitizer_common/sanitizer_platform.h
@@ -208,6 +208,12 @@
# define SANITIZER_SOLARIS32 0
#endif
+#if defined(__linux__) && !defined(__GLIBC__)
+# define SANITIZER_NONGNU 1
+#else
+# define SANITIZER_NONGNU 0
+#endif
+
#if defined(__myriad2__)
# define SANITIZER_MYRIAD2 1
#else
diff --git a/lib/sanitizer_common/sanitizer_platform_interceptors.h b/lib/sanitizer_common/sanitizer_platform_interceptors.h
index f95539a73..6c53b3415 100644
--- a/lib/sanitizer_common/sanitizer_platform_interceptors.h
+++ b/lib/sanitizer_common/sanitizer_platform_interceptors.h
@@ -39,7 +39,7 @@
# include "sanitizer_platform_limits_solaris.h"
#endif
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
# define SI_LINUX_NOT_ANDROID 1
#else
# define SI_LINUX_NOT_ANDROID 0
@@ -322,7 +322,7 @@
#define SANITIZER_INTERCEPT_ETHER_R (SI_FREEBSD || SI_LINUX_NOT_ANDROID)
#define SANITIZER_INTERCEPT_SHMCTL \
(SI_NETBSD || SI_OPENBSD || SI_SOLARIS || \
- ((SI_FREEBSD || SI_LINUX_NOT_ANDROID) && \
+ ((SI_FREEBSD || SI_LINUX_NOT_ANDROID || SANITIZER_NONGNU) && \
SANITIZER_WORDSIZE == 64)) // NOLINT
#define SANITIZER_INTERCEPT_RANDOM_R SI_LINUX_NOT_ANDROID
#define SANITIZER_INTERCEPT_PTHREAD_ATTR_GET SI_POSIX
diff --git a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
index 54da635d7..2f6ff69c3 100644
--- a/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
+++ b/lib/sanitizer_common/sanitizer_platform_limits_posix.cc
@@ -14,6 +14,9 @@
#include "sanitizer_platform.h"
+// Workaround musl <--> linux conflicting definition of 'struct sysinfo'
+#define _LINUX_SYSINFO_H
+
#if SANITIZER_LINUX || SANITIZER_FREEBSD || SANITIZER_MAC
// Tests in this file assume that off_t-dependent data structures match the
// libc ABI. For example, struct dirent here is what readdir() function (as
@@ -138,12 +141,14 @@ typedef struct user_fpregs elf_fpregset_t;
#if SANITIZER_LINUX && !SANITIZER_ANDROID
#include <glob.h>
-#include <obstack.h>
+# if !SANITIZER_NONGNU
+# include <obstack.h>
+# endif
#include <mqueue.h>
-#include <net/if_ppp.h>
-#include <netax25/ax25.h>
-#include <netipx/ipx.h>
-#include <netrom/netrom.h>
+#include <linux/if_ppp.h>
+#include <linux/ax25.h>
+#include <linux/ipx.h>
+#include <linux/netrom.h>
#if HAVE_RPC_XDR_H
# include <rpc/xdr.h>
#elif HAVE_TIRPC_RPC_XDR_H
@@ -251,7 +256,7 @@ namespace __sanitizer {
unsigned struct_itimerspec_sz = sizeof(struct itimerspec);
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
// Use pre-computed size of struct ustat to avoid <sys/ustat.h> which
// has been removed from glibc 2.28.
#if defined(__aarch64__) || defined(__s390x__) || defined (__mips64) \
@@ -322,7 +327,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(ElfW(Phdr));
unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
#endif
-#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID && !SANITIZER_NONGNU
int glob_nomatch = GLOB_NOMATCH;
int glob_altdirfunc = GLOB_ALTDIRFUNC;
#endif
@@ -416,7 +421,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
unsigned struct_termios_sz = sizeof(struct termios);
unsigned struct_winsize_sz = sizeof(struct winsize);
-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && !SANITIZER_NONGNU
unsigned struct_arpreq_sz = sizeof(struct arpreq);
unsigned struct_cdrom_msf_sz = sizeof(struct cdrom_msf);
unsigned struct_cdrom_multisession_sz = sizeof(struct cdrom_multisession);
@@ -466,7 +471,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
unsigned struct_vt_mode_sz = sizeof(struct vt_mode);
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
unsigned struct_cyclades_monitor_sz = sizeof(struct cyclades_monitor);
#if EV_VERSION > (0x010000)
@@ -834,7 +839,7 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
unsigned IOCTL_VT_WAITACTIVE = VT_WAITACTIVE;
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
unsigned IOCTL_CYGETDEFTHRESH = CYGETDEFTHRESH;
unsigned IOCTL_CYGETDEFTIMEOUT = CYGETDEFTIMEOUT;
unsigned IOCTL_CYGETMON = CYGETMON;
@@ -989,7 +994,7 @@ CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phdr);
CHECK_SIZE_AND_OFFSET(dl_phdr_info, dlpi_phnum);
#endif // SANITIZER_LINUX || SANITIZER_FREEBSD
-#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID && !SANITIZER_NONGNU
CHECK_TYPE_SIZE(glob_t);
CHECK_SIZE_AND_OFFSET(glob_t, gl_pathc);
CHECK_SIZE_AND_OFFSET(glob_t, gl_pathv);
@@ -1023,6 +1028,7 @@ CHECK_TYPE_SIZE(iovec);
CHECK_SIZE_AND_OFFSET(iovec, iov_base);
CHECK_SIZE_AND_OFFSET(iovec, iov_len);
+#if !SANITIZER_NONGNU
CHECK_TYPE_SIZE(msghdr);
CHECK_SIZE_AND_OFFSET(msghdr, msg_name);
CHECK_SIZE_AND_OFFSET(msghdr, msg_namelen);
@@ -1036,6 +1042,7 @@ CHECK_TYPE_SIZE(cmsghdr);
CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_len);
CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_level);
CHECK_SIZE_AND_OFFSET(cmsghdr, cmsg_type);
+#endif
#ifndef __GLIBC_PREREQ
#define __GLIBC_PREREQ(x, y) 0
@@ -1145,7 +1152,7 @@ CHECK_SIZE_AND_OFFSET(mntent, mnt_passno);
CHECK_TYPE_SIZE(ether_addr);
-#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID
+#if (SANITIZER_LINUX || SANITIZER_FREEBSD) && !SANITIZER_ANDROID && !SANITIZER_NONGNU
CHECK_TYPE_SIZE(ipc_perm);
# if SANITIZER_FREEBSD
CHECK_SIZE_AND_OFFSET(ipc_perm, key);
@@ -1206,7 +1213,7 @@ CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_dstaddr);
CHECK_SIZE_AND_OFFSET(ifaddrs, ifa_data);
#endif
-#if SANITIZER_LINUX
+#if SANITIZER_LINUX && !SANITIZER_NONGNU
COMPILER_CHECK(sizeof(__sanitizer_mallinfo) == sizeof(struct mallinfo));
#endif
@@ -1256,7 +1263,7 @@ COMPILER_CHECK(__sanitizer_XDR_DECODE == XDR_DECODE);
COMPILER_CHECK(__sanitizer_XDR_FREE == XDR_FREE);
#endif
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
COMPILER_CHECK(sizeof(__sanitizer_FILE) <= sizeof(FILE));
CHECK_SIZE_AND_OFFSET(FILE, _flags);
CHECK_SIZE_AND_OFFSET(FILE, _IO_read_ptr);
@@ -1275,7 +1282,7 @@ CHECK_SIZE_AND_OFFSET(FILE, _chain);
CHECK_SIZE_AND_OFFSET(FILE, _fileno);
#endif
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
COMPILER_CHECK(sizeof(__sanitizer__obstack_chunk) <= sizeof(_obstack_chunk));
CHECK_SIZE_AND_OFFSET(_obstack_chunk, limit);
CHECK_SIZE_AND_OFFSET(_obstack_chunk, prev);
diff --git a/lib/tsan/rtl/tsan_platform_linux.cc b/lib/tsan/rtl/tsan_platform_linux.cc
index de989b780..51a97b554 100644
--- a/lib/tsan/rtl/tsan_platform_linux.cc
+++ b/lib/tsan/rtl/tsan_platform_linux.cc
@@ -294,7 +294,7 @@ void InitializePlatform() {
// This is required to properly "close" the fds, because we do not see internal
// closes within glibc. The code is a pure hack.
int ExtractResolvFDs(void *state, int *fds, int nfd) {
-#if SANITIZER_LINUX && !SANITIZER_ANDROID
+#if SANITIZER_LINUX && !SANITIZER_ANDROID && !SANITIZER_NONGNU
int cnt = 0;
struct __res_state *statp = (struct __res_state*)state;
for (int i = 0; i < MAXNS && cnt < nfd; i++) {
--
2.19.0
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