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2016-01-10Implement legacy bcopy/bzero/bcmp/index/rindex as inline functionsWaldemar Brodkorb
patch from OpenWrt. Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-10Provide XTI __t_scalar_t types, like glibcWaldemar Brodkorb
Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-10test-skeleton: Fixes from glibcWaldemar Brodkorb
glibc commits d7a05d0728 test-skeleton: Kill any child process's offspring cc8dcf96e7 test-skeleton: Support temporary files without memory leaks [BZ#18333] Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-09fix compile with DODEBUG=yWaldemar Brodkorb
Since more projects using two-stage cross-compile process we cannot add libgcc_eh.a unconditionally. We must check if a real file is referenced by the cross-compiler. Toolchains with --disabel-shared build have a single libgcc.a containing all required symbols. Tested with a debug build for x86.
2016-01-07disable always failing tst-signal7Waldemar Brodkorb
The required test for the internal NPTL used signals isn't implemented.
2016-01-06Remove alias.Yoshinori Sato
open_cancel and open2_cancel have diffrent argument on open. So can't alias this functions. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2016-01-06openat argument fix.Yoshinori Sato
If argument passing to register case (ex. -mregparam=3). This case set all parameters set to register from caller. But callee refer to stack. So can't get parameter. Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2016-01-06pthread_atfork handlers not removed during dlcloseWaldemar Brodkorb
Invoke pthread_atfork handler cleanup when removing the associated DSO... If a program loads a DSO (dlopen) that sets up a pthread_atfork handler(s), and then subsequently closes the DSO, the handler(s) are left in place. If fork() is subsequently called, the handlers are invoked even though the DSO has been removed causing crashes or unpredictable code execution. This is because the code in __cxa_finalize(atexit.c)to invoke the unregister_atfork() routine is ifdef'd out with the comment that it hasn't been "looked into this yet...". Refs.: http://bugs.busybox.net/show_bug.cgi?id=8211 http://sourceware.org/bugzilla/show_bug.cgi?id=13502 Add test-case, enable cleanup for NPTL only. Signed-off-by: John Ata <john.ata@baesystems.com> Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-06__ARCH_HAS_DEPRECATED_SYSCALLS__ case fix. getdents is deprecated.Yoshinori Sato
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2016-01-06h8300: vfork flags update.Yoshinori Sato
Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
2016-01-06linuxthreads.old: Implement pthread_tryjoin_np(), pthread_timedjoin_np()Leonid Lisovskiy
Some applications needs it. Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-06extra/Configs/Config.in: add syncfs() to Linux-specific functionsAnthony G. Basile
syncfs() was recently added (commit dfa593d4d). But man sync(2) specifies that syncfs() is Linux-specific. This was overlooked in the original commit so we add it to the set of Linux-specific functions supported by uClibc. Signed-off-by: Anthony G. Basile <blueness@gentoo.org>
2016-01-03libc: getpass,getutent: allocate buffer dynamicallyWaldemar Brodkorb
Saves 0.6k bss with default buffer size(256). text data bss dec hex filename - 1172 8 408 1588 634 libc/misc/utmp/utent.os - 429 0 256 685 2ad libc/unistd/getpass.os + 1208 8 28 1244 4dc libc/misc/utmp/utent.os + 471 0 4 475 1db libc/unistd/getpass.os ================================================================ +78 -632 Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-03remove pregenerated locale support, we don't support itWaldemar Brodkorb
2016-01-02libc/inet: Unbreak gethostent()Waldemar Brodkorb
Although gethostent() is obsoleted, there is no reason to keep it broken. Fix two problems: * commit f65e66078b "resolver: switch to config parser" leave an extra break statement in case of GETHOSTENT in __read_etc_hosts_r. In result, output buffer wasn't initialized at all. * gethostent static buffer has insufficient size to store aliases, so __read_etc_hosts_r always returns ERANGE. Restore ALIAS_DIM define. Add test-case. Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-02Use dynamic buffers for gethostent/gethostbyname/gethostbyaddrWaldemar Brodkorb
Save ~1k static space (.bss) text data bss dec hex filename - 68 0 126 194 c2 libc/inet/gethostent.os - 79 0 460 539 21b libc/inet/gethostbyname2.os - 83 0 460 543 21f libc/inet/gethostbyaddr.os + 98 0 24 122 7a libc/inet/gethostent.os + 110 0 24 134 86 libc/inet/gethostbyname2.os + 113 0 24 137 89 libc/inet/gethostbyaddr.os ================================================================== +91 -974 Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-02libc/pwd_grp: Allocate buffers for non-reentrant functions dynamicallyWaldemar Brodkorb
Saves 3k bss with default buffer size(256). text data bss dec hex filename - 61 0 272 333 14d fgetgrent.os - 61 0 284 345 159 fgetpwent.os - 61 0 292 353 161 fgetspent.os - 57 0 272 329 149 getgrent.os - 61 0 272 333 14d getgrgid.os - 61 0 272 333 14d getgrnam.os - 57 0 284 341 155 getpwent.os - 61 0 284 345 159 getpwnam.os - 61 0 284 345 159 getpwuid.os - 57 0 292 349 15d getspent.os - 61 0 292 353 161 getspnam.os - 61 0 292 353 161 sgetspent.os + 94 0 20 114 72 fgetgrent.os + 94 0 32 126 7e fgetpwent.os + 94 0 40 134 86 fgetspent.os + 87 0 20 107 6b getgrent.os + 94 0 20 114 72 getgrgid.os + 94 0 20 114 72 getgrnam.os + 87 0 32 119 77 getpwent.os + 94 0 32 126 7e getpwnam.os + 94 0 32 126 7e getpwuid.os + 87 0 40 127 7f getspent.os + 94 0 40 134 86 getspnam.os + 94 0 40 134 86 sgetspent.os ===================================================== +387 -3024 Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-02lm32: fix testsuite compile problemsWaldemar Brodkorb
One test fails to compile with a gcc ICE, so disable it for now.
2016-01-02lm32: add missing typesWaldemar Brodkorb
2016-01-02test/Test.mak: Properly define MAKE_SRCS variableLeonid Lisovskiy
Fix typo in d81e53c5fa "New test targets 'compile' and 'run'" commit, MAKE_SRCS variable was never defined. Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-02remove attribute hidden, as the function is used in linuxthreads.oldWaldemar Brodkorb
On avr32/cris the build with MALLOC fails, when compiling linuxthreads.
2016-01-02remove deprecated architectures v850/i960Waldemar Brodkorb
Both architectures are more or less deprecated. No Linux upstream support, no gcc support for uClinux.
2016-01-02inet/getaddrinfo: simplest /etc/gai.conf to control IPv6/IPv4 addresses sort ↵Leonid Lisovskiy
order Implement simplest variant of /etc/gai.conf to control getaddrinfo IPv6/IPv4 addresses sorting. Keep the default sort order - IPv6 first, IPv4 second. To invert it, create /etc/gai.conf containing single line: precedence ::ffff:0:0/96 100 Example before: $ nslookup security.debian.org 8.8.8.8 Server: 8.8.8.8 Address 1: 8.8.8.8 google-public-dns-a.google.com Name: security.debian.org Address 1: 2001:a78:5:0:216:35ff:fe7f:be4f villa.debian.org Address 2: 2001:a78:5:1:216:35ff:fe7f:6ceb lobos.debian.org Address 3: 195.20.242.89 wieck.debian.org Address 4: 212.211.132.250 lobos.debian.org Address 5: 212.211.132.32 villa.debian.org After patch & precedence set in /etc/gai.conf: $ nslookup security.debian.org 8.8.8.8 Server: 8.8.8.8 Address 1: 8.8.8.8 google-public-dns-a.google.com Name: security.debian.org Address 1: 195.20.242.89 wieck.debian.org Address 2: 212.211.132.250 lobos.debian.org Address 3: 212.211.132.32 villa.debian.org Address 4: 2001:a78:5:0:216:35ff:fe7f:be4f villa.debian.org Address 5: 2001:a78:5:1:216:35ff:fe7f:6ceb lobos.debian.org bloat-o-meter report: function old new delta getaddrinfo 726 1138 +412 gaih_inet 2660 2692 +32 .rodata 16618 16643 +25 __gai_precedence - 1 +1 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 4/0 up/down: 882/0) Total: 470 bytes Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2016-01-01Add argp implementationSalvatore Cro
Argp is an advanced support for parsing unix-style argument vectors. In addition to the common getopt interface, it provides automatic response to `--help' and `--version' options and use of custom parser in conjunction with argp native option parser, among others. Argp support is required by elfutils package and prelink. In uClibc argp functionalities has been moved from C library to libuargp.so Further the libc.so linker script contains an AS_NEEDED entry so that it doesn't need to link libuargp.so explicitely. Disable argp test if feature disabled. Signed-off-by: Salvatore Cro <salvatore.cro@st.com> Signed-off-by: Filippo Arcidiacono <filippo.arcidiacono@st.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com> Signed-off-by: Khem Raj <raj.khem@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2016-01-01Fix "pselect: Use linux pselect6 syscall when available"Leonid Lisovskiy
Commit e3c3bf2b58 introduce use of pselect6, but has following disadvantages: * Use of userspace types in args67 structure - it breaks, for example, configs when 32-bit uClibc-ng compiled against 64-bit kernel. Syscall will always return EINVAL. We must use __kernel_* types and __SYSCALL_SIGSET_T_SIZE. * It have excess checks for NSEC_PER_SEC. Original code from select() implementation has struct timeval => struct timespec conversion, kernel select() syscall implementation do the same. But none of libc versions (glibc, eglibc, musl) I know, perform similar checks for pselect() - there is no structure fields conversions, just struct timespec through all the calls. To have such checks in uClibc-ng we need one example, at least. * It is possible to avoid extra userspace reads from kernel code if sigmask == NULL. I suggest to do it, for a few bytes cost. * Commit didn't add test case to testsuite. Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2015-12-29Xtensa is biendian, allow to choose between the modes.Waldemar Brodkorb
2015-12-29xtensa: fix vfork return address calculationsMax Filippov
vfork internally unwinds stack up one frame, saving the original return address in the a3 of the unwound frame. To do this in windowed ABI it needs to exchange two topmost bits of the original return address and of the helper entry point. Current code doesn't do it correctly for addresses above 0x40000000, resulting in illegal instruction exception for configurations that put code high, e.g. for noMMU. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2015-12-24prepare for release of 1.0.10v1.0.10Waldemar Brodkorb
2015-12-23Replace bltzal with lapc for MIPS R6 builds.Steve Ellcey
The R6 version of MIPS does not support the bltzal instruction. This patch changes dl-startup.h and dl-sysdep.h to use lapc on R6 instead. lapc is a new R6 insruction so older systems need to continue to use bltzal in order to load register $31. Signed-off-by: Steve Ellcey <sellcey@imgtec.com>
2015-12-22Replace MIPS specific memcpy.S/memset.S with version from glibc/newlib.Steve Ellcey
These MIPS specific versions of memcpy.S and memset.S are faster than the current ones and match what is in newlib and glibc. They also have support for the mips32r6 and mips64r6 architectures. Signed-off-by: Steve Ellcey <sellcey@imgtec.com>
2015-12-22pselect: Use linux pselect syscall when availableNicolas S. Dade
Linux has a pselect syscall since 2.6.something. Using it rather than emulating it with sigprocmask+select+sigprocmask is smaller code, and works properly. (The emulation has race conditions when unblocked signals arrive before or after the select) The tv.nsec >= 1E9 handling comes from uclibc's linux select() implementation, which itself uses pselect() internally if the pselect syscall exists. I though it would be good to do the same here. Note that although the libc pselect() API has 6 arguments, the linux kernel syscall as 7 arguments. There is an extra, somewhat vestigial, sizeof the signal mask argument. Signed-off-by: Nicolas S. Dade <nic.dade@gmail.com>
2015-12-22libc/pwd_grp: Create template for non-reentrant functionsWaldemar Brodkorb
Avoid a lot of copy'n'paste code, no functionality change Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
2015-12-22Use gcc's __builtin_mempcpy() as __mempcpy(), if possibleWaldemar Brodkorb
Patch from OpenWrt. Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2015-12-22use arch specific thread stack size for nptlWaldemar Brodkorb
Use the arch specific thread stack size for nptl if the size returned by getrlimits exceeds it - fixes threads on systems with only 16 MB RAM. Patch from OpenWRT Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2015-12-22Do define some IPv6 related symbols even with IPv6 disabledWaldemar Brodkorb
Fixes compilation of some faulty applictions. Patch from Freetz.org Reported-by: Leonid Lisovskiy <lly.dev@gmail.com>
2015-12-22resolv: fix gethostbyname2_r to match gethostbyname_r, fixing bugs with AAAA ↵Waldemar Brodkorb
lookups The latter half of gethostbyname2_r (doing AAAA queries) is rather dramatically different from the corresponding portion of gethostbyname_r (doing A queries). This leads to problems like calls to getaddrinfo only returning one IPv6 address, even when multiple exist. Seems to be entirely a case of divergent evolution -- a half-decade of fixes for the IPv4 code but no love for IPv6. Until now. ;) DNS behaviour for IPv6 is really no different than for IPv4 -- beyond the difference in address sizes, there's no need for the functions to be so different. Consequently, this patch really is almost just a cut-and-paste of gethostbyname_r, with the appropriate substitutions of in6_addr, AF_INET6, etc; while holding on to the few extra bits that actually belong in there (eg #ifdef __UCLIBC_HAS_IPV6__). Signed-off-by: Wes Campaigne <westacular@gmail.com>
2015-12-22inet/resolv: Fix broken h_aliases list terminator after 2dab3f5Waldemar Brodkorb
Commit 2dab3f5a "resolv: tiny shrinkage in /etc/hosts handling" leads to that read_etc_hosts_r() provide garbage pointer at the end of h_aliases list if more than four hostnames follow a dotted quad in /etc/hosts Test-case: Add following line to /etc/hosts 63.63.0.2 host1 alias2 alias3 alias4 alias5 #include <stdio.h> #include <errno.h> #include <netdb.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> int main (void) { int i; char *a; struct hostent *he; struct in_addr ipv4addr; inet_pton(AF_INET, "63.63.0.2", &ipv4addr); he = gethostbyaddr(&ipv4addr, sizeof ipv4addr, AF_INET); if (he == NULL) exit(1); printf("Host name: '%s'\n", he->h_name); i = 0; while ((a = he->h_aliases[i]) != NULL) { printf("Host alias: '%s'\n", a); ++i; } return 0; } Wrong output: Host name: 'host1' Host alias: 'alias2' Host alias: 'alias3' Host alias: 'alias4' Host alias: 'alias5' Host alias: '??' Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-17Revert "glibc compat: bump glibc minor version"Waldemar Brodkorb
This reverts commit 4a05ed87ceb946608100642121c32e642b58cd0d. This breaks SSP detection for gcc, which might be problematic for some projects. Revert it after some discussion with buildroot and openembedded people.
2015-12-17reduce stack cache size to save memory spaceWaldemar Brodkorb
Idea from different projects as OpenWrt and others. https://lists.openwrt.org/pipermail/openwrt-devel/2013-November/022299.html https://github.com/wl500g/toolchain/blob/master/toolchain/uClibc/patches/0.9.32/980-stack-cache-maxsize.patch
2015-12-17testsuite subdir fixWaldemar Brodkorb
Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-17Add implementation for copysignl for ppcKhem Raj
Signed-off-by: Khem Raj <raj.khem@gmail.com>
2015-12-17libc/stdlib: canonicalize_file_name() memory leakWojciech Nizinski
Uclibc's canonicalize_file_name() is allocating temprary buffer of 4kB (PATH_MAX), and passing it to realpath() as second argument. Function is not checking if realpath() fails and memory is lost.
2015-12-17utlis/ldd: Fix host ldd in case of target wordsize differs from host oneWaldemar Brodkorb
improved solution from http://freetz.org/ticket/842 Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-17test/tls: tls-macros*.h fixes from glibcWaldemar Brodkorb
glibc commits 4822a2a520 Add x32 support to TLS_LE/TLS_IE/TLS_GD 63fb881a04 tls-macros-mips.h: Load $gp as required. Merge 32-bit and 64-bit versions. Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-17dlclose fixWaldemar Brodkorb
Patch is from Timo Teras Refs.: http://lists.uclibc.org/pipermail/uclibc/2012-October/047059.html http://git.alpinelinux.org/cgit/aports/tree/main/libc0.9.32/uclibc-dlclose-fix.patch
2015-12-17Fix syslog messages lost if syslogd is temporary busyVladislav Grishenko
Commit 4139fe5aec935ba3f462dcaf6aafb6e5eadf1ab9 fixes SIGSTOPed syslogd issue. but introduced new one - messages will be lost when socket buffer gets full, not only if syslogd is stalled, but even if it accepts message slower than someone sends and possibly leads to security hole, when important messages get lost as result of attacker flooding. Patch adds 1 second waiting for socket buffer can accept the message, helps when syslogd is working hard. If it's stalled/SIGSTOPed, message will be sent to errout as before. After that, further non-blocking /dev/log connect attempts will fail immediately with EAGAIN error until syslogd reads some from it. function old new delta openlog_intern 259 355 +96 static.tv - 8 +8 .rodata 151 159 +8 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/0 up/down: 112/0) Total: 112 bytes Signed-off-by: Vladislav Grishenko <themiron@mail.ru>
2015-12-17Fix syslog messages lost after syslogd restartsVladislav Grishenko
If syslogd is stopped and restarted while a process has the log open, the next message that process produces will be logged to the console and not to the new instance of syslogd. Further messages will be routed correctly, but not the first one. Based on original patch Bug 3889 - syslog loses messages when syslogd restarted https://bugs.busybox.net/show_bug.cgi?id=3889 function old new delta openlog 33 68 +35 __vsyslog 851 848 -3 openlog_intern 318 259 -59 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/2 up/down: 35/-62) Total: -27 bytes Signed-off-by: Vladislav Grishenko <themiron@mail.ru>
2015-12-17resolv: NI_IDN unimplementedWaldemar Brodkorb
Some programs trying to use NI_IDN flag in case of it defined in netdb.h, so hide it to suppress bad values for ai_flags. Inspired by OpenWRT issue #12323 Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-17resolv: __dns_lookup - immediately switch to next server in case of poll() ↵Waldemar Brodkorb
set error events https://bugs.busybox.net/show_bug.cgi?id=3211 Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
2015-12-17dynamically allocate ahostbuf bufferWaldemar Brodkorb
Free 1k of static data (.bss) Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com> Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>
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