merge uClibc git master

33 files changed, 363 insertions, 431 deletions

diff --git a/libc/inet/resolv.c b/libc/inet/resolv.c
index cfc1eee9b..31e63810b 100644
--- a/libc/inet/resolv.c
+++ b/libc/inet/resolv.c
@@ -1615,9 +1615,13 @@ int __read_etc_hosts_r(
 #endif
 							;
 	int ret = HOST_NOT_FOUND;
+	/* make sure pointer is aligned */
+	int i = ALIGN_BUFFER_OFFSET(buf);
+	buf += i;
+	buflen -= i;
 
 	*h_errnop = NETDB_INTERNAL;
-	if (buflen < aliaslen
+	if (/* (ssize_t)buflen < 0 || */ buflen < aliaslen
 		|| (buflen - aliaslen) < BUFSZ + 1)
 		return ERANGE;
 	if (parser == NULL)
diff --git a/libc/misc/utmp/Makefile.in b/libc/misc/utmp/Makefile.in
index 535efb150..6c54ade96 100644
--- a/libc/misc/utmp/Makefile.in
+++ b/libc/misc/utmp/Makefile.in
@@ -7,8 +7,8 @@
 
 subdirs += libc/misc/utmp
 
-CSRC-y := utent.c wtent.c
-CSRC-$(UCLIBC_HAS_UTMPX) += utxent.c
+CSRC-y :=
+CSRC-$(if $(findstring y,$(UCLIBC_HAS_UTMP)$(UCLIBC_HAS_UTMPX)),y) += utent.c
 
 MISC_UTMP_DIR := $(top_srcdir)libc/misc/utmp
 MISC_UTMP_OUT := $(top_builddir)libc/misc/utmp
diff --git a/libc/misc/utmp/utent.c b/libc/misc/utmp/utent.c
index a35bb2b84..3671bb05c 100644
--- a/libc/misc/utmp/utent.c
+++ b/libc/misc/utmp/utent.c
@@ -1,3 +1,4 @@
+/* vi: set sw=4 ts=4: */
 /* utent.c <ndf@linux.mit.edu> */
 /* Let it be known that this is very possibly the worst standard ever.  HP-UX
    does one thing, someone else does another, linux another... If anyone
@@ -18,230 +19,211 @@
 #include <paths.h>
 #include <errno.h>
 #include <string.h>
-#include <utmp.h>
-#ifdef __UCLIBC_HAS_UTMPX__
-# include <utmpx.h>
-#endif
+#include "internal/utmp.h"
 #include <not-cancel.h>
-
 #include <bits/uClibc_mutex.h>
+
 __UCLIBC_MUTEX_STATIC(utmplock, PTHREAD_MUTEX_INITIALIZER);
 
 /* Some global crap */
 static int static_fd = -1;
-static struct utmp static_utmp;
-static const char default_file_name[] = _PATH_UTMP;
-static const char *static_ut_name = default_file_name;
+static struct UT static_utmp;
+static const char default_file[] = __DEFAULT_PATH_UTMP;
+static const char *current_file = default_file;
 
 /* This function must be called with the LOCK held */
-static void __setutent_unlocked(void)
+static void __set_unlocked(void)
 {
-    if (static_fd < 0) {
-	static_fd = open_not_cancel_2(static_ut_name, O_RDWR | O_CLOEXEC);
 	if (static_fd < 0) {
-	    static_fd = open_not_cancel_2(static_ut_name, O_RDONLY | O_CLOEXEC);
-	    if (static_fd < 0) {
-		return; /* static_fd remains < 0 */
-	    }
-	}
+		static_fd = open_not_cancel_2(current_file, O_RDWR | O_CLOEXEC);
+		if (static_fd < 0) {
+			static_fd = open_not_cancel_2(current_file, O_RDONLY | O_CLOEXEC);
+			if (static_fd < 0) {
+				return; /* static_fd remains < 0 */
+			}
+		}
 #ifndef __ASSUME_O_CLOEXEC
-	/* Make sure the file will be closed on exec()  */
-	fcntl_not_cancel(static_fd, F_SETFD, FD_CLOEXEC);
+		/* Make sure the file will be closed on exec()  */
+		fcntl_not_cancel(static_fd, F_SETFD, FD_CLOEXEC);
 #endif
-	return;
-    }
-    lseek(static_fd, 0, SEEK_SET);
+		return;
+	}
+	lseek(static_fd, 0, SEEK_SET);
 }
 #if defined __UCLIBC_HAS_THREADS__
-static void __setutent(void)
+void set(void)
 {
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    __setutent_unlocked();
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	__set_unlocked();
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
 }
 #else
-static void __setutent(void);
-strong_alias(__setutent_unlocked,__setutent)
-#endif
-strong_alias(__setutent,setutent)
-
-#ifdef __UCLIBC_HAS_UTMPX__
-strong_alias(__setutent,setutxent)
+strong_alias(__set_unlocked,set)
 #endif
+/* not used in libc_hidden_def(set) */
+other(setutxent,setutent)
 
 /* This function must be called with the LOCK held */
-static struct utmp *__getutent_unlocked(void)
+static struct UT *__get_unlocked(void)
 {
-    if (static_fd < 0) {
-	__setutent();
 	if (static_fd < 0) {
-	    return NULL;
+		__set_unlocked();
+		if (static_fd < 0)
+			return NULL;
 	}
-    }
 
-    if (read_not_cancel(static_fd, &static_utmp, sizeof(static_utmp)) == sizeof(static_utmp)) {
-	return &static_utmp;
-    }
+	if (read_not_cancel(static_fd, &static_utmp,
+				sizeof(static_utmp)) == sizeof(static_utmp)) {
+		return &static_utmp;
+	}
 
-    return NULL;
+	return NULL;
 }
 #if defined __UCLIBC_HAS_THREADS__
-static struct utmp *__getutent(void)
+struct UT *get(void)
 {
-    struct utmp *ret;
+	struct UT *ret;
 
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    ret = __getutent_unlocked();
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
-    return ret;
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	ret = __get_unlocked();
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
+	return ret;
 }
 #else
-static struct utmp *__getutent(void);
-strong_alias(__getutent_unlocked,__getutent)
+strong_alias(__get_unlocked,get)
 #endif
-strong_alias(__getutent,getutent)
+/* not used in libc_hidden_def(get) */
+other(getutxent,getutent)
 
-#ifdef __UCLIBC_HAS_UTMPX__
-struct utmpx *getutxent(void)
+void end(void)
 {
-	return (struct utmpx *) __getutent ();
-}
-#endif
-
-static void __endutent(void)
-{
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    if (static_fd >= 0)
-	close_not_cancel_no_status(static_fd);
-    static_fd = -1;
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	if (static_fd >= 0)
+		close_not_cancel_no_status(static_fd);
+	static_fd = -1;
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
 }
-strong_alias(__endutent,endutent)
-
-#ifdef __UCLIBC_HAS_UTMPX__
-strong_alias(__endutent,endutxent)
-#endif
+/* not used in libc_hidden_def(end) */
+other(endutxent,endutent)
 
 /* This function must be called with the LOCK held */
-static struct utmp *__getutid_unlocked(const struct utmp *utmp_entry)
+static struct UT *__getid_unlocked(const struct UT *utmp_entry)
 {
-    struct utmp *lutmp;
-    unsigned type;
-
-    /* We use the fact that constants we are interested in are: */
-    /* RUN_LVL=1, ... OLD_TIME=4; INIT_PROCESS=5, ... USER_PROCESS=8 */
-    type = utmp_entry->ut_type - 1;
-    type /= 4;
-
-    while ((lutmp = __getutent_unlocked()) != NULL) {
-	if (type == 0 && lutmp->ut_type == utmp_entry->ut_type)	{
-	    /* one of RUN_LVL, BOOT_TIME, NEW_TIME, OLD_TIME */
-	    return lutmp;
+	struct UT *lutmp;
+	unsigned type;
+
+	/* We use the fact that constants we are interested in are: */
+	/* RUN_LVL=1, ... OLD_TIME=4; INIT_PROCESS=5, ... USER_PROCESS=8 */
+	type = utmp_entry->ut_type - 1;
+	type /= 4;
+
+	while ((lutmp = __get_unlocked()) != NULL) {
+		if (type == 0 && lutmp->ut_type == utmp_entry->ut_type)	{
+			/* one of RUN_LVL, BOOT_TIME, NEW_TIME, OLD_TIME */
+			return lutmp;
+		}
+		if (type == 1
+			&& strncmp(lutmp->ut_id, utmp_entry->ut_id,
+						sizeof(lutmp->ut_id)) == 0) {
+			/* INIT_PROCESS, LOGIN_PROCESS, USER_PROCESS, DEAD_PROCESS */
+			return lutmp;
+		}
 	}
-	if (type == 1 && strncmp(lutmp->ut_id, utmp_entry->ut_id, sizeof(lutmp->ut_id)) == 0) {
-	    /* INIT_PROCESS, LOGIN_PROCESS, USER_PROCESS, DEAD_PROCESS */
-	    return lutmp;
-	}
-    }
 
-    return NULL;
+	return NULL;
 }
 #if defined __UCLIBC_HAS_THREADS__
-static struct utmp *__getutid(const struct utmp *utmp_entry)
+struct UT *getid(const struct UT *utmp_entry)
 {
-    struct utmp *ret;
+	struct UT *ret;
 
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    ret = __getutid_unlocked(utmp_entry);
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
-    return ret;
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	ret = __getid_unlocked(utmp_entry);
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
+	return ret;
 }
 #else
-static struct utmp *__getutid(const struct utmp *utmp_entry);
-strong_alias(__getutid_unlocked,__getutid)
-#endif
-strong_alias(__getutid,getutid)
-
-#ifdef __UCLIBC_HAS_UTMPX__
-struct utmpx *getutxid(const struct utmpx *utmp_entry)
-{
-	return (struct utmpx *) __getutid ((const struct utmp *) utmp_entry);
-}
+strong_alias(__getid_unlocked,getid)
 #endif
+/* not used in libc_hidden_def(getid) */
+other(getutxid,getutid)
 
-static struct utmp *__getutline(const struct utmp *utmp_entry)
+struct UT *getline(const struct UT *utmp_entry)
 {
-    struct utmp *lutmp;
-
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    while ((lutmp = __getutent_unlocked()) != NULL) {
-	if (lutmp->ut_type == USER_PROCESS || lutmp->ut_type == LOGIN_PROCESS) {
-	    if (strncmp(lutmp->ut_line, utmp_entry->ut_line, sizeof(lutmp->ut_line)) == 0) {
-		break;
-	    }
+	struct UT *lutmp;
+
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	while ((lutmp = __get_unlocked()) != NULL) {
+		if (lutmp->ut_type == USER_PROCESS || lutmp->ut_type == LOGIN_PROCESS) {
+			if (strncmp(lutmp->ut_line, utmp_entry->ut_line,
+						sizeof(lutmp->ut_line)) == 0) {
+				break;
+			}
+		}
 	}
-    }
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
-    return lutmp;
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
+	return lutmp;
 }
-strong_alias(__getutline,getutline)
+/* libc_hidden_def(getline) */
+other(getutxline,getutline)
 
-#ifdef __UCLIBC_HAS_UTMPX__
-struct utmpx *getutxline(const struct utmpx *utmp_entry)
+struct UT *putline(const struct UT *utmp_entry)
 {
-	return (struct utmpx *) __getutline ((const struct utmp *) utmp_entry);
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	/* Ignore the return value.  That way, if they've already positioned
+	   the file pointer where they want it, everything will work out. */
+	lseek(static_fd, (off_t) - sizeof(struct UT), SEEK_CUR);
+
+	if (__getid_unlocked(utmp_entry) != NULL)
+		lseek(static_fd, (off_t) - sizeof(struct UT), SEEK_CUR);
+	else
+		lseek(static_fd, (off_t) 0, SEEK_END);
+	if (write(static_fd, utmp_entry, sizeof(struct UT))
+			!= sizeof(struct UT))
+		utmp_entry = NULL;
+
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
+	return (struct UT *)utmp_entry;
 }
-#endif
+/* not used in libc_hidden_def(putline) */
+other(pututxline,pututline)
 
-static struct utmp *__pututline(const struct utmp *utmp_entry)
+int name(const char *new_file)
 {
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    /* Ignore the return value.  That way, if they've already positioned
-       the file pointer where they want it, everything will work out. */
-    lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
-
-    if (__getutid_unlocked(utmp_entry) != NULL)
-	lseek(static_fd, (off_t) - sizeof(struct utmp), SEEK_CUR);
-    else
-	lseek(static_fd, (off_t) 0, SEEK_END);
-    if (write(static_fd, utmp_entry, sizeof(struct utmp)) != sizeof(struct utmp))
-	utmp_entry = NULL;
-
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
-    return (struct utmp *)utmp_entry;
-}
-strong_alias(__pututline,pututline)
+	__UCLIBC_MUTEX_LOCK(utmplock);
+	if (new_file != NULL) {
+		if (current_file != default_file)
+			free((char *)current_file);
+		current_file = strdup(new_file);
+		if (current_file == NULL) {
+			/* We should probably whine about out-of-memory
+			 * errors here...  Instead just reset to the default */
+			current_file = default_file;
+		}
+	}
 
-#ifdef __UCLIBC_HAS_UTMPX__
-struct utmpx *pututxline (const struct utmpx *utmp_entry)
-{
-	return (struct utmpx *) __pututline ((const struct utmp *) utmp_entry);
+	if (static_fd >= 0) {
+		close_not_cancel_no_status(static_fd);
+		static_fd = -1;
+	}
+	__UCLIBC_MUTEX_UNLOCK(utmplock);
+	return 0; /* or maybe return -(current_file != new_file)? */
 }
-#endif
+/* not used in libc_hidden_def(name) */
+other(utmpxname,utmpname)
 
-static int __utmpname(const char *new_ut_name)
+void updw(const char *wtmp_file, const struct UT *lutmp)
 {
-    __UCLIBC_MUTEX_LOCK(utmplock);
-    if (new_ut_name != NULL) {
-	if (static_ut_name != default_file_name)
-	    free((char *)static_ut_name);
-	static_ut_name = strdup(new_ut_name);
-	if (static_ut_name == NULL) {
-	    /* We should probably whine about out-of-memory
-	     * errors here...  Instead just reset to the default */
-	    static_ut_name = default_file_name;
+	int fd;
+
+	fd = open_not_cancel_2(wtmp_file, O_APPEND | O_WRONLY);
+	if (fd >= 0) {
+		if (lockf(fd, F_LOCK, 0) == 0) {
+			write_not_cancel(fd, lutmp, sizeof(struct UT));
+			lockf(fd, F_ULOCK, 0);
+			close_not_cancel_no_status(fd);
+		}
 	}
-    }
-
-    if (static_fd >= 0) {
-	close_not_cancel_no_status(static_fd);
-	static_fd = -1;
-    }
-    __UCLIBC_MUTEX_UNLOCK(utmplock);
-    return 0; /* or maybe return -(static_ut_name != new_ut_name)? */
 }
-strong_alias(__utmpname,utmpname)
-
-#ifdef __UCLIBC_HAS_UTMPX__
-strong_alias(__utmpname,utmpxname)
-#endif
+/* not used in libc_hidden_def(updw) */
+other(updwtmpx,updwtmp)
diff --git a/libc/misc/utmp/utxent.c b/libc/misc/utmp/utxent.c
deleted file mode 100644
index 71157ccd8..000000000
--- a/libc/misc/utmp/utxent.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * utexent.c : Support for accessing user accounting database.
- * Copyright (C) 2010 STMicroelectronics Ltd.
- *
- * Author: Salvatore Cro <salvatore.cro@st.com>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- *
- */
-
-#include <features.h>
-#include <string.h>
-#include <utmpx.h>
-#include <utmp.h>
-
-#if 0 /* moved to utent.c */
-void setutxent(void)
-{
-	setutent ();
-}
-
-void endutxent(void)
-{
-	endutent ();
-}
-
-struct utmpx *getutxent(void)
-{
-	return (struct utmpx *) getutent ();
-}
-
-struct utmpx *getutxid(const struct utmpx *utmp_entry)
-{
-	return (struct utmpx *) getutid ((const struct utmp *) utmp_entry);
-}
-
-struct utmpx *getutxline(const struct utmpx *utmp_entry)
-{
-	return (struct utmpx *) getutline ((const struct utmp *) utmp_entry);
-}
-
-struct utmpx *pututxline (const struct utmpx *utmp_entry)
-{
-	return (struct utmpx *) pututline ((const struct utmp *) utmp_entry);
-}
-
-int utmpxname (const char *new_ut_name)
-{
-	return utmpname (new_ut_name);
-}
-
-/* moved to wtent.c */
-void updwtmpx (const char *wtmpx_file, const struct utmpx *utmpx)
-{
-	updwtmp (wtmpx_file, (const struct utmp *) utmpx);
-}
-#endif
-
-/* Copy the information in UTMPX to UTMP. */
-void getutmp (const struct utmpx *utmpx, struct utmp *utmp)
-{
-#if _HAVE_UT_TYPE - 0
-	utmp->ut_type = utmpx->ut_type;
-#endif
-#if _HAVE_UT_PID - 0
-	utmp->ut_pid = utmpx->ut_pid;
-#endif
-	memcpy (utmp->ut_line, utmpx->ut_line, sizeof (utmp->ut_line));
-	memcpy (utmp->ut_user, utmpx->ut_user, sizeof (utmp->ut_user));
-#if _HAVE_UT_ID - 0
-	memcpy (utmp->ut_id, utmpx->ut_id, sizeof (utmp->ut_id));
-#endif
-#if _HAVE_UT_HOST - 0
-	memcpy (utmp->ut_host, utmpx->ut_host, sizeof (utmp->ut_host));
-#endif
-#if _HAVE_UT_TV - 0
-	utmp->ut_tv.tv_sec = utmpx->ut_tv.tv_sec;
-	utmp->ut_tv.tv_usec = utmpx->ut_tv.tv_usec;
-#else
-	utmp->ut_time = utmpx->ut_time;
-#endif
-}
-
-/* Copy the information in UTMP to UTMPX. */
-void getutmpx (const struct utmp *utmp, struct utmpx *utmpx)
-{
-	memset (utmpx, 0, sizeof (struct utmpx));
-
-#if _HAVE_UT_TYPE - 0
-	utmpx->ut_type = utmp->ut_type;
-#endif
-#if _HAVE_UT_PID - 0
-	utmpx->ut_pid = utmp->ut_pid;
-#endif
-	memcpy (utmpx->ut_line, utmp->ut_line, sizeof (utmp->ut_line));
-	memcpy (utmpx->ut_user, utmp->ut_user, sizeof (utmp->ut_user));
-#if _HAVE_UT_ID - 0
-	memcpy (utmpx->ut_id, utmp->ut_id, sizeof (utmp->ut_id));
-#endif
-#if _HAVE_UT_HOST - 0
-	memcpy (utmpx->ut_host, utmp->ut_host, sizeof (utmp->ut_host));
-#endif
-#if _HAVE_UT_TV - 0
-	utmpx->ut_tv.tv_sec = utmp->ut_tv.tv_sec;
-	utmpx->ut_tv.tv_usec = utmp->ut_tv.tv_usec;
-#else
-	utmpx->ut_time = utmp->ut_time;
-#endif
-}
diff --git a/libc/misc/utmp/wtent.c b/libc/misc/utmp/wtent.c
deleted file mode 100644
index 9b3ad5084..000000000
--- a/libc/misc/utmp/wtent.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
- *
- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
- */
-
-/* wtmp support rubbish (i.e. complete crap) */
-
-#include <string.h>
-#include <sys/time.h>
-#include <time.h>
-#include <unistd.h>
-#include <utmp.h>
-#ifdef __UCLIBC_HAS_UTMPX__
-# include <utmpx.h>
-#endif
-#include <fcntl.h>
-#include <sys/file.h>
-#include <not-cancel.h>
-
-#if 0
-/* This is enabled in uClibc/libutil/logwtmp.c */
-void logwtmp (const char *line, const char *name, const char *host)
-{
-    struct utmp lutmp;
-    memset(&lutmp, 0, sizeof(lutmp));
-
-    lutmp.ut_type = (name && *name) ? USER_PROCESS : DEAD_PROCESS;
-    lutmp.ut_pid = getpid();
-    strncpy(lutmp.ut_line, line, sizeof(lutmp.ut_line)-1);
-    strncpy(lutmp.ut_name, name, sizeof(lutmp.ut_name)-1);
-    strncpy(lutmp.ut_host, host, sizeof(lutmp.ut_host)-1);
-    gettimeofday(&(lutmp.ut_tv), NULL);
-
-    updwtmp(_PATH_WTMP, &lutmp);
-}
-#endif
-
-static void __updwtmp(const char *wtmp_file, const struct utmp *lutmp)
-{
-    int fd;
-
-    fd = open_not_cancel_2(wtmp_file, O_APPEND | O_WRONLY);
-    if (fd >= 0) {
-	if (lockf(fd, F_LOCK, 0) == 0) {
-	    write_not_cancel(fd, lutmp, sizeof(struct utmp));
-	    lockf(fd, F_ULOCK, 0);
-	    close_not_cancel_no_status(fd);
-	}
-    }
-}
-strong_alias(__updwtmp,updwtmp)
-
-#ifdef __UCLIBC_HAS_UTMPX__
-void updwtmpx (const char *wtmpx_file, const struct utmpx *utmpx)
-{
-	__updwtmp (wtmpx_file, (const struct utmp *) utmpx);
-}
-#endif
diff --git a/libc/stdio/_fpmaxtostr.h b/libc/stdio/_fpmaxtostr.h
index b4e7321c2..7694629ec 100644
--- a/libc/stdio/_fpmaxtostr.h
+++ b/libc/stdio/_fpmaxtostr.h
@@ -11,39 +11,39 @@
 #define _FPMAXTOSTR_H 1
 
 #include <features.h>
-#ifdef __UCLIBC_HAS_FLOATS__
-
 #define __need_size_t
 #include <stddef.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <printf.h>
 #include <sys/types.h>
-#include <float.h>
-#include <bits/uClibc_fpmax.h>
+
+#ifdef __UCLIBC_HAS_FLOATS__
+# include <float.h>
+# include <bits/uClibc_fpmax.h>
 
 /* WARNING: Adjust _fp_out_wide() in _vfprintf.c if this changes! */
 /* With 32 bit ints, we can get 9 decimal digits per block. */
-#define DIGITS_PER_BLOCK     9
+# define DIGITS_PER_BLOCK     9
 
-#define NUM_DIGIT_BLOCKS   ((DECIMAL_DIG+DIGITS_PER_BLOCK-1)/DIGITS_PER_BLOCK)
+# define NUM_DIGIT_BLOCKS   ((DECIMAL_DIG+DIGITS_PER_BLOCK-1)/DIGITS_PER_BLOCK)
 
 /* WARNING: Adjust _fp_out_wide() in _vfprintf.c if this changes! */
 /* extra space for '-', '.', 'e+###', and nul */
-#define BUF_SIZE  ( 3 + NUM_DIGIT_BLOCKS * DIGITS_PER_BLOCK )
+# define BUF_SIZE  ( 3 + NUM_DIGIT_BLOCKS * DIGITS_PER_BLOCK )
 
 /* psm: why do these internals differ? */
-#ifdef __USE_OLD_VFPRINTF__
+#  ifdef __USE_OLD_VFPRINTF__
 typedef void (__fp_outfunc_t)(FILE *fp, intptr_t type, intptr_t len, intptr_t buf);
 
 extern size_t _fpmaxtostr(FILE * fp, __fpmax_t x, struct printf_info *info,
 			  __fp_outfunc_t fp_outfunc) attribute_hidden;
-#else
+#  else
 typedef size_t (__fp_outfunc_t)(FILE *fp, intptr_t type, intptr_t len, intptr_t buf);
 
 extern ssize_t _fpmaxtostr(FILE * fp, __fpmax_t x, struct printf_info *info,
 			   __fp_outfunc_t fp_outfunc) attribute_hidden;
-#endif
+#  endif
 
-#endif /* __UCLIBC_HAS_FLOATS__ */
+# endif /* __UCLIBC_HAS_FLOATS__ */
 #endif /* _FPMAXTOSTR_H */
diff --git a/libc/stdio/_vfprintf.c b/libc/stdio/_vfprintf.c
index 01ee218e5..a795f4979 100644
--- a/libc/stdio/_vfprintf.c
+++ b/libc/stdio/_vfprintf.c
@@ -121,18 +121,6 @@
 #error Apparently, LONG_LONG_MAX is defined but LLONG_MAX is not.  You need to fix your toolchain headers to support the standard macros for (unsigned) long long.
 #endif
 
-/**********************************************************************/
-/* These provide some control over printf's feature set */
-
-/* Now controlled by uClibc_config.h. */
-/* #define __UCLIBC_HAS_FLOATS__ 1 */
-
-/* Now controlled by uClibc_config.h. */
-/* #define __UCLIBC_HAS_PRINTF_M_SPEC__ */
-
-
-/**********************************************************************/
-
 #include "_fpmaxtostr.h"
 
 #undef __STDIO_HAS_VSNPRINTF
@@ -142,9 +130,6 @@
 
 /**********************************************************************/
 
-/* Now controlled by uClibc_config.h. */
-/* #define __UCLIBC_HAS_GLIBC_CUSTOM_PRINTF__ */
-
 #ifdef __UCLIBC_MJN3_ONLY__
 # ifdef L_register_printf_function
 /* emit only once */
diff --git a/libc/stdlib/Makefile.in b/libc/stdlib/Makefile.in
index 880de78d8..071f91119 100644
--- a/libc/stdlib/Makefile.in
+++ b/libc/stdlib/Makefile.in
@@ -61,7 +61,6 @@ CSRC-$(if $(findstring yyy,$(UCLIBC_HAS_FLOATS)$(UCLIBC_HAS_WCHAR)$(UCLIBC_HAS_X
 
 # multi source _atexit.c
 CSRC-y += __cxa_atexit.c __cxa_finalize.c __exit_handler.c exit.c on_exit.c
-CSRC-$(COMPAT_ATEXIT) += old_atexit.c
 
 STDLIB_DIR := $(top_srcdir)libc/stdlib
 STDLIB_OUT := $(top_builddir)libc/stdlib
@@ -71,11 +70,12 @@ STDLIB_OBJ := $(patsubst %.c,$(STDLIB_OUT)/%.o,$(CSRC-y))
 
 libc-y += $(STDLIB_OBJ)
 libc-static-y += $(STDLIB_OUT)/atexit.o $(STDLIB_OUT)/system.o
+libc-static-$(COMPAT_ATEXIT) += $(STDLIB_OUT)/old_atexit.o
 libc-shared-y += $(STDLIB_OUT)/system.oS
 
 # this should always be the PIC version, because it could be used in shared libs
 libc-nonshared-y += $(STDLIB_OUT)/atexit.os
-
+libc-nonshared-$(COMPAT_ATEXIT) += $(STDLIB_OUT)/old_atexit.os
 libc-nomulti-y += $(STDLIB_OUT)/labs.o $(STDLIB_OUT)/atol.o $(STDLIB_OUT)/_stdlib_strto_l.o $(STDLIB_OUT)/_stdlib_strto_ll.o
 libc-nomulti-$(UCLIBC_HAS_XLOCALE) += $(STDLIB_OUT)/_stdlib_strto_l_l.o $(STDLIB_OUT)/_stdlib_strto_ll_l.o
 
diff --git a/libc/stdlib/malloc-standard/free.c b/libc/stdlib/malloc-standard/free.c
index 39e54d635..8b7a81fca 100644
--- a/libc/stdlib/malloc-standard/free.c
+++ b/libc/stdlib/malloc-standard/free.c
@@ -104,9 +104,13 @@ static int __malloc_trim(size_t pad, mstate av)
 */
 int malloc_trim(size_t pad)
 {
+  int r;
+  __MALLOC_LOCK;
   mstate av = get_malloc_state();
   __malloc_consolidate(av);
-  return __malloc_trim(pad, av);
+  r = __malloc_trim(pad, av);
+  __MALLOC_UNLOCK;
+  return r;
 }
 
 /*
diff --git a/libc/stdlib/malloc-standard/malloc.c b/libc/stdlib/malloc-standard/malloc.c
index 2abb5bbdd..fd33b50c7 100644
--- a/libc/stdlib/malloc-standard/malloc.c
+++ b/libc/stdlib/malloc-standard/malloc.c
@@ -832,8 +832,6 @@ void* malloc(size_t bytes)
     }
 #endif
 
-    __MALLOC_LOCK;
-    av = get_malloc_state();
     /*
        Convert request size to internal form by adding (sizeof(size_t)) bytes
        overhead plus possibly more to obtain necessary alignment and/or
@@ -845,6 +843,9 @@ void* malloc(size_t bytes)
 
     checked_request2size(bytes, nb);
 
+    __MALLOC_LOCK;
+    av = get_malloc_state();
+
     /*
        Bypass search if no frees yet
        */
diff --git a/libc/stdlib/malloc-standard/memalign.c b/libc/stdlib/malloc-standard/memalign.c
index 6303c1dd9..e9ae5a7b9 100644
--- a/libc/stdlib/malloc-standard/memalign.c
+++ b/libc/stdlib/malloc-standard/memalign.c
@@ -52,8 +52,8 @@ void* memalign(size_t alignment, size_t bytes)
 	alignment = a;
     }
 
-    __MALLOC_LOCK;
     checked_request2size(bytes, nb);
+    __MALLOC_LOCK;
 
     /* Strategy: find a spot within that chunk that meets the alignment
      * request, and then possibly free the leading and trailing space.  */
diff --git a/libc/stdlib/malloc-standard/realloc.c b/libc/stdlib/malloc-standard/realloc.c
index e060b70ea..e49d11125 100644
--- a/libc/stdlib/malloc-standard/realloc.c
+++ b/libc/stdlib/malloc-standard/realloc.c
@@ -54,9 +54,9 @@ void* realloc(void* oldmem, size_t bytes)
 	return NULL;
     }
 
+    checked_request2size(bytes, nb);
     __MALLOC_LOCK;
     av = get_malloc_state();
-    checked_request2size(bytes, nb);
 
     oldp    = mem2chunk(oldmem);
     oldsize = chunksize(oldp);
diff --git a/libc/string/strverscmp.c b/libc/string/strverscmp.c
index 714f4ed67..7818a9186 100644
--- a/libc/string/strverscmp.c
+++ b/libc/string/strverscmp.c
@@ -1,13 +1,8 @@
-/* GNU's strverscmp() function, taken from glibc 2.3.2 sources
- */
-
 /* Compare strings while treating digits characters numerically.
-   Copyright (C) 1997, 2002 Free Software Foundation, Inc.
+   Copyright (C) 1997-2015 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jean-François Bignolles <bignolle@ecoledoc.ibp.fr>, 1997.
 
-   Derived work for uClibc by Hai Zaar, Codefidence Ltd <haizaar@codefidence.com>
-
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
@@ -22,63 +17,54 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
+#include <stdint.h>
 #include <string.h>
 #include <ctype.h>
-#include <stdint.h>
-
 
 /* states: S_N: normal, S_I: comparing integral part, S_F: comparing
-   fractional parts, S_Z: idem but with leading Zeroes only */
+           fractionnal parts, S_Z: idem but with leading Zeroes only */
 #define  S_N    0x0
-#define  S_I    0x4
-#define  S_F    0x8
-#define  S_Z    0xC
+#define  S_I    0x3
+#define  S_F    0x6
+#define  S_Z    0x9
 
 /* result_type: CMP: return diff; LEN: compare using len_diff/diff */
 #define  CMP    2
 #define  LEN    3
 
-/* using more efficient isdigit() */
-#undef isdigit
-#define isdigit(a) ((unsigned)((a) - '0') <= 9)
 
 /* Compare S1 and S2 as strings holding indices/version numbers,
    returning less than, equal to or greater than zero if S1 is less than,
    equal to or greater than S2 (for more info, see the texinfo doc).
 */
+
 int strverscmp (const char *s1, const char *s2)
 {
   const unsigned char *p1 = (const unsigned char *) s1;
   const unsigned char *p2 = (const unsigned char *) s2;
-  unsigned char c1, c2;
-  int state;
-  int diff;
 
-  /* Symbol(s)    0       [1-9]   others  (padding)
-     Transition   (10) 0  (01) d  (00) x  (11) -   */
+  /* Symbol(s)    0       [1-9]   others
+     Transition   (10) 0  (01) d  (00) x   */
   static const uint8_t next_state[] =
   {
-      /* state    x    d    0    - */
-      /* S_N */  S_N, S_I, S_Z, S_N,
-      /* S_I */  S_N, S_I, S_I, S_I,
-      /* S_F */  S_N, S_F, S_F, S_F,
-      /* S_Z */  S_N, S_F, S_Z, S_Z
+      /* state    x    d    0  */
+      /* S_N */  S_N, S_I, S_Z,
+      /* S_I */  S_N, S_I, S_I,
+      /* S_F */  S_N, S_F, S_F,
+      /* S_Z */  S_N, S_F, S_Z
   };
 
   static const int8_t result_type[] =
   {
-      /* state   x/x  x/d  x/0  x/-  d/x  d/d  d/0  d/-
-                 0/x  0/d  0/0  0/-  -/x  -/d  -/0  -/- */
-
-      /* S_N */  CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
-                 CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
-      /* S_I */  CMP, -1,  -1,  CMP, +1,  LEN, LEN, CMP,
-                 +1,  LEN, LEN, CMP, CMP, CMP, CMP, CMP,
-      /* S_F */  CMP, CMP, CMP, CMP, CMP, LEN, CMP, CMP,
-                 CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
-      /* S_Z */  CMP, +1,  +1,  CMP, -1,  CMP, CMP, CMP,
-                 -1,  CMP, CMP, CMP
+      /* state   x/x  x/d  x/0  d/x  d/d  d/0  0/x  0/d  0/0  */
+
+      /* S_N */  CMP, CMP, CMP, CMP, LEN, CMP, CMP, CMP, CMP,
+      /* S_I */  CMP, -1,  -1,  +1,  LEN, LEN, +1,  LEN, LEN,
+      /* S_F */  CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP, CMP,
+      /* S_Z */  CMP, +1,  +1,  -1,  CMP, CMP, -1,  CMP, CMP
   };
+  unsigned char c1, c2;
+  int state, diff;
 
   if (p1 == p2)
     return 0;
@@ -86,17 +72,20 @@ int strverscmp (const char *s1, const char *s2)
   c1 = *p1++;
   c2 = *p2++;
   /* Hint: '0' is a digit too.  */
-  state = S_N | ((c1 == '0') + (isdigit (c1) != 0));
+  state = S_N + ((c1 == '0') + (isdigit (c1) != 0));
 
-  while ((diff = c1 - c2) == 0 && c1 != '\0')
+  while ((diff = c1 - c2) == 0)
     {
+      if (c1 == '\0')
+	return diff;
+
       state = next_state[state];
       c1 = *p1++;
       c2 = *p2++;
-      state |= (c1 == '0') + (isdigit (c1) != 0);
+      state += (c1 == '0') + (isdigit (c1) != 0);
     }
 
-  state = result_type[state << 2 | (((c2 == '0') + (isdigit (c2) != 0)))];
+  state = result_type[state * 3 + (((c2 == '0') + (isdigit (c2) != 0)))];
 
   switch (state)
   {
diff --git a/libc/sysdeps/linux/arc/sigaction.c b/libc/sysdeps/linux/arc/sigaction.c
index 4a4c9e2d0..67ca38aca 100644
--- a/libc/sysdeps/linux/arc/sigaction.c
+++ b/libc/sysdeps/linux/arc/sigaction.c
@@ -13,7 +13,8 @@
 /*
  * Default sigretrun stub if user doesn't specify SA_RESTORER
  */
-static void __default_rt_sa_restorer(void)
+static void attribute_optimize("Os") __attribute_noinline__
+__default_rt_sa_restorer(void)
 {
 	INTERNAL_SYSCALL_NCS(__NR_rt_sigreturn, , 0);
 }
diff --git a/libc/sysdeps/linux/arc/sys/procfs.h b/libc/sysdeps/linux/arc/sys/procfs.h
index a9e375b33..a47430340 100755
--- a/libc/sysdeps/linux/arc/sys/procfs.h
+++ b/libc/sysdeps/linux/arc/sys/procfs.h
@@ -20,17 +20,14 @@
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/user.h>
+#include <asm/ptrace.h>
 
 __BEGIN_DECLS
 
 /* Type for a general-purpose register.  */
 typedef unsigned long elf_greg_t;
 
-/* And the whole bunch of them.  We could have used `struct
-   user_regs' directly in the typedef, but tradition says that
-   the register set is an array, which does have some peculiar
-   semantics, so leave it that way.  */
-#define ELF_NGREG 40
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
 typedef struct { } elf_fpregset_t;
 
diff --git a/libc/sysdeps/linux/arm/Makefile.arch b/libc/sysdeps/linux/arm/Makefile.arch
index 3054273df..cda3db206 100644
--- a/libc/sysdeps/linux/arm/Makefile.arch
+++ b/libc/sysdeps/linux/arm/Makefile.arch
@@ -13,7 +13,9 @@ SSRC-y := \
 	vfork.S clone.S
 
 SSRC-$(UCLIBC_HAS_LFS) += mmap64.S
-SSRC-$(UCLIBC_HAS_THREADS_NATIVE) += libc-aeabi_read_tp.S libc-thumb_atomics.S
+SSRC-$(UCLIBC_HAS_THREADS_NATIVE) += libc-thumb_atomics.S
+libc-nonshared-$(UCLIBC_HAS_THREADS_NATIVE) += $(ARCH_OUT)/libc-aeabi_read_tp.os
+libc-static-$(UCLIBC_HAS_THREADS_NATIVE) += $(ARCH_OUT)/libc-aeabi_read_tp.o
 CSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += makecontext.c
 SSRC-$(UCLIBC_HAS_CONTEXT_FUNCS) += getcontext.S setcontext.S swapcontext.S
 
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
index 8ee956b6b..82525984a 100644
--- a/libc/sysdeps/linux/common/Makefile.in
+++ b/libc/sysdeps/linux/common/Makefile.in
@@ -27,6 +27,7 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += \
 	eventfd.c \
 	eventfd_read.c \
 	eventfd_write.c \
+	getrandom.c \
 	inotify.c \
 	ioperm.c \
 	iopl.c \
diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h
index 6184c2b9d..708bb4906 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -507,3 +507,8 @@
 #if defined __x86_64__ && __LINUX_KERNEL_VERSION >= 0x030100
 # define __ASSUME_GETCPU_SYSCALL        1
 #endif
+
+/* getrandom syscall (widely) appeared around 4.0.0 */
+#if __LINUX_KERNEL_VERSION >= 0x040000
+# define __ASSUME_GETRANDOM_SYSCALL 1
+#endif
diff --git a/libc/sysdeps/linux/common/bits/mathcalls.h b/libc/sysdeps/linux/common/bits/mathcalls.h
index 427027355..3d7e34fa2 100644
--- a/libc/sysdeps/linux/common/bits/mathcalls.h
+++ b/libc/sysdeps/linux/common/bits/mathcalls.h
@@ -74,8 +74,22 @@ __MATHCALLI (atan2,, (_Mdouble_ __y, _Mdouble_ __x))
 
 /* Cosine of X.  */
 __MATHCALLI (cos,, (_Mdouble_ __x))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(cosl)
+# endif
+# if defined _LIBC && defined _Mfloat_
+libm_hidden_proto(cosf)
+# endif
+
 /* Sine of X.  */
 __MATHCALLI (sin,, (_Mdouble_ __x))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(sinl)
+# endif
+# if defined _LIBC && defined _Mfloat_
+libm_hidden_proto(sinf)
+# endif
+
 /* Tangent of X.  */
 __MATHCALLI (tan,, (_Mdouble_ __x))
 
@@ -111,6 +125,9 @@ __END_NAMESPACE_C99
 _Mdouble_BEGIN_NAMESPACE
 /* Exponential function of X.  */
 __MATHCALLI (exp,, (_Mdouble_ __x))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(expl)
+# endif
 
 /* Break VALUE into a normalized fraction and an integral power of 2.  */
 __MATHCALLI (frexp,, (_Mdouble_ __x, int *__exponent))
@@ -173,6 +190,9 @@ _Mdouble_END_NAMESPACE
 __BEGIN_NAMESPACE_C99
 /* Return `sqrt(X*X + Y*Y)'.  */
 __MATHCALLI (hypot,, (_Mdouble_ __x, _Mdouble_ __y))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(hypotl)
+# endif
 __END_NAMESPACE_C99
 #endif
 
@@ -300,6 +320,9 @@ __MATHCALLI (rint,, (_Mdouble_ __x))
 
 /* Return X + epsilon if X < Y, X - epsilon if X > Y.  */
 __MATHCALLX (nextafter,, (_Mdouble_ __x, _Mdouble_ __y), (__const__))
+# if defined _LIBC && defined _Mlong_double_
+libm_hidden_proto(nextafterl)
+# endif
 # if defined __USE_ISOC99 && !defined __LDBL_COMPAT
 #  ifndef _Mdouble_is_float_
 __MATHCALLX (nexttoward,, (_Mdouble_ __x, long double __y), (__const__))
diff --git a/libc/sysdeps/linux/common/bits/utmp.h b/libc/sysdeps/linux/common/bits/utmp.h
index c13380ab8..6ece31e34 100644
--- a/libc/sysdeps/linux/common/bits/utmp.h
+++ b/libc/sysdeps/linux/common/bits/utmp.h
@@ -36,7 +36,7 @@
    previous logins.  */
 struct lastlog
   {
-#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+#ifdef __WORDSIZE_TIME64_COMPAT32
     int32_t ll_time;
 #else
     __time_t ll_time;
@@ -69,7 +69,7 @@ struct utmp
 /* The ut_session and ut_tv fields must be the same size when compiled
    32- and 64-bit.  This allows data files and shared memory to be
    shared between 32- and 64-bit applications.  */
-#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+#ifdef __WORDSIZE_TIME64_COMPAT32
   int32_t ut_session;		/* Session ID, used for windowing.  */
   struct
   {
diff --git a/libc/sysdeps/linux/common/bits/utmpx.h b/libc/sysdeps/linux/common/bits/utmpx.h
index 87626f085..815fc90b8 100644
--- a/libc/sysdeps/linux/common/bits/utmpx.h
+++ b/libc/sysdeps/linux/common/bits/utmpx.h
@@ -66,7 +66,7 @@ struct utmpx
 /* The fields ut_session and ut_tv must be the same size when compiled
    32- and 64-bit.  This allows files and shared memory to be shared
    between 32- and 64-bit applications.  */
-#if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
+#ifdef __WORDSIZE_TIME64_COMPAT32
   __int32_t ut_session;		/* Session ID, used for windowing.  */
   struct
   {
diff --git a/libc/sysdeps/linux/common/getrandom.c b/libc/sysdeps/linux/common/getrandom.c
new file mode 100644
index 000000000..d33d5224a
--- /dev/null
+++ b/libc/sysdeps/linux/common/getrandom.c
@@ -0,0 +1,14 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * getrandom() for uClibc
+ *
+ * Copyright (C) 2015 Bernhard Reutner-Fischer
+ *
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <sys/random.h>
+#ifdef __NR_getrandom
+_syscall3(int, getrandom, void *, buf, size_t, buflen, unsigned int, flags)
+#endif
diff --git a/libc/sysdeps/linux/common/getrusage.c b/libc/sysdeps/linux/common/getrusage.c
index 3e719f294..fb7614be8 100644
--- a/libc/sysdeps/linux/common/getrusage.c
+++ b/libc/sysdeps/linux/common/getrusage.c
@@ -10,4 +10,5 @@
 #include <sys/syscall.h>
 #include <unistd.h>
 #include <wait.h>
+#include <sys/resource.h>
 _syscall2(int, getrusage, __rusage_who_t, who, struct rusage *, usage)
diff --git a/libc/sysdeps/linux/common/makedev.c b/libc/sysdeps/linux/common/makedev.c
new file mode 100644
index 000000000..d7761671b
--- /dev/null
+++ b/libc/sysdeps/linux/common/makedev.c
@@ -0,0 +1,42 @@
+/* Definitions of functions to access `dev_t' values.
+   Copyright (C) 2003-2015 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
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <endian.h>
+#include <sys/sysmacros.h>
+
+unsigned int
+gnu_dev_major (unsigned long long int dev)
+{
+  return ((dev >> 8) & 0xfff) | ((unsigned int) (dev >> 32) & ~0xfff);
+}
+libc_hidden_def(gnu_dev_major)
+
+unsigned int
+gnu_dev_minor (unsigned long long int dev)
+{
+  return (dev & 0xff) | ((unsigned int) (dev >> 12) & ~0xff);
+}
+libc_hidden_def(gnu_dev_minor)
+
+unsigned long long int
+gnu_dev_makedev (unsigned int major, unsigned int minor)
+{
+  return ((minor & 0xff) | ((major & 0xfff) << 8)
+	  | (((unsigned long long int) (minor & ~0xff)) << 12)
+	  | (((unsigned long long int) (major & ~0xfff)) << 32));
+}
diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c
index 2c50307aa..19a33714a 100644
--- a/libc/sysdeps/linux/common/stubs.c
+++ b/libc/sysdeps/linux/common/stubs.c
@@ -157,6 +157,10 @@ make_stub(getpeername)
 make_stub(getpgrp)
 #endif
 
+#if !defined __NR_getrandom && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(getrandom)
+#endif
+
 #if !defined __NR_getsockname && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
 make_stub(getsockname)
 #endif
diff --git a/libc/sysdeps/linux/common/sys/random.h b/libc/sysdeps/linux/common/sys/random.h
new file mode 100644
index 000000000..42f802576
--- /dev/null
+++ b/libc/sysdeps/linux/common/sys/random.h
@@ -0,0 +1,33 @@
+/* Copyright (C) 2015 Bernhard Reutner-Fischer
+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
+*/
+
+#ifndef	_SYS_RANDOM_H
+#define	_SYS_RANDOM_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+#if defined __UCLIBC_LINUX_SPECIFIC__ && defined __USE_GNU
+# if 0 /*def __ASSUME_GETRANDOM_SYSCALL */
+#  include <linux/random.h>
+# else
+#  undef GRND_NONBLOCK
+#  undef GRND_RANDOM
+/*
+ * Flags for getrandom(2)
+ *
+ * GRND_NONBLOCK	Don't block and return EAGAIN instead
+ * GRND_RANDOM		Use the /dev/random pool instead of /dev/urandom
+ */
+#  define GRND_NONBLOCK	0x0001
+#  define GRND_RANDOM	0x0002
+# endif
+/* FIXME: aren't there a couple of __restrict and const missing ? */
+extern int getrandom(void *__buf, size_t count, unsigned int flags)
+	   __nonnull ((1)) __wur;
+#endif
+
+__END_DECLS
+
+#endif /* sys/random.h */
diff --git a/libc/sysdeps/linux/mips/bits/mathdef.h b/libc/sysdeps/linux/mips/bits/mathdef.h
index 1c636a199..6afe20d8a 100644
--- a/libc/sysdeps/linux/mips/bits/mathdef.h
+++ b/libc/sysdeps/linux/mips/bits/mathdef.h
@@ -25,10 +25,9 @@
 #if defined  __USE_ISOC99 && defined _MATH_H && !defined _MATH_H_MATHDEF
 # define _MATH_H_MATHDEF	1
 
-/* Normally, there is no long double type and the `float' and `double'
-   expressions are evaluated as `double'.  */
-typedef double float_t;		/* `float' expressions are evaluated as
-				   `double'.  */
+/* MIPS has both `float' and `double' arithmetic.  */
+typedef float float_t;		/* `float' expressions are evaluated as
+				   `float'.  */
 typedef double double_t;	/* `double' expressions are evaluated as
 				   `double'.  */
 
diff --git a/libc/sysdeps/linux/mips/bits/wordsize.h b/libc/sysdeps/linux/mips/bits/wordsize.h
index 39e15062c..fe130806c 100644
--- a/libc/sysdeps/linux/mips/bits/wordsize.h
+++ b/libc/sysdeps/linux/mips/bits/wordsize.h
@@ -16,3 +16,6 @@
    <http://www.gnu.org/licenses/>.  */
 
 #define __WORDSIZE	_MIPS_SZPTR
+#if _MIPS_SIM == _ABI64
+# define __WORDSIZE_TIME64_COMPAT32 1
+#endif
diff --git a/libc/sysdeps/linux/powerpc/bits/wordsize.h b/libc/sysdeps/linux/powerpc/bits/wordsize.h
index cf934234f..3e8a1e0a1 100644
--- a/libc/sysdeps/linux/powerpc/bits/wordsize.h
+++ b/libc/sysdeps/linux/powerpc/bits/wordsize.h
@@ -2,7 +2,7 @@
 
 #if defined __powerpc64__
 # define __WORDSIZE	64
-# define __WORDSIZE_COMPAT32	1
+# define __WORDSIZE_TIME64_COMPAT32	1
 #else
 # define __WORDSIZE	32
 #endif
diff --git a/libc/sysdeps/linux/sh/bits/atomic.h b/libc/sysdeps/linux/sh/bits/atomic.h
index 745c85c1d..18ae9ea77 100644
--- a/libc/sysdeps/linux/sh/bits/atomic.h
+++ b/libc/sysdeps/linux/sh/bits/atomic.h
@@ -68,6 +68,12 @@ typedef uintmax_t uatomic_max_t;
       r1:     saved stack pointer
 */
 
+#if __GNUC_PREREQ (4, 7)
+# define rNOSP "u"
+#else
+# define rNOSP "r"
+#endif
+
 /* Avoid having lots of different versions of compare and exchange,
    by having this one complicated version. Parameters:
       bwl:     b, w or l for 8, 16 and 32 bit versions.
@@ -94,7 +100,7 @@ typedef uintmax_t uatomic_max_t;
         movt %0\n\
      .endif\n"					\
 	: "=&r" (__arch_result)			\
-	: "r" (mem), "r" (newval), "r" (oldval)	\
+	: rNOSP (mem), rNOSP (newval), rNOSP (oldval)	\
 	: "r0", "r1", "t", "memory");		\
      __arch_result; })
 
@@ -150,7 +156,7 @@ typedef uintmax_t uatomic_max_t;
 	mov." #bwl " %1,@%2\n\
      1: mov r1,r15"			\
 	: "=&r" (old), "=&r"(new)	\
-	: "r" (mem), "r" (value)	\
+	: rNOSP (mem), rNOSP (value)	\
 	: "r0", "r1", "memory");	\
     })
 
@@ -194,7 +200,7 @@ typedef uintmax_t uatomic_max_t;
 	mov." #bwl " %0,@%1\n\
      1: mov r1,r15"			\
 	: "=&r" (__new)			\
-	: "r" (mem), "r" (__value)	\
+	: rNOSP (mem), rNOSP (__value)	\
 	: "r0", "r1", "memory");	\
      __new;				\
   })
diff --git a/libc/sysdeps/linux/sh/bits/syscalls.h b/libc/sysdeps/linux/sh/bits/syscalls.h
index b308276c5..efd423ed3 100644
--- a/libc/sysdeps/linux/sh/bits/syscalls.h
+++ b/libc/sysdeps/linux/sh/bits/syscalls.h
@@ -122,7 +122,7 @@
     __asm__ __volatile__ (SYSCALL_INST_STR##nr SYSCALL_INST_PAD	\
 		  : "=z" (resultvar)									\
 		  : "r" (r3) ASMFMT_##nr								\
-		  : "memory"											\
+		  : "memory", "t"											\
     );															\
     (int) resultvar;											\
    }) \
diff --git a/libc/sysdeps/linux/sparc/bits/wordsize.h b/libc/sysdeps/linux/sparc/bits/wordsize.h
index c0e600ed5..aa15dbc7a 100644
--- a/libc/sysdeps/linux/sparc/bits/wordsize.h
+++ b/libc/sysdeps/linux/sparc/bits/wordsize.h
@@ -2,6 +2,7 @@
 
 #if defined __arch64__ || defined __sparcv9
 # define __WORDSIZE	64
+# define __WORDSIZE_TIME64_COMPAT32 1
 #else
 # define __WORDSIZE	32
 #endif
diff --git a/libc/sysdeps/linux/x86_64/bits/wordsize.h b/libc/sysdeps/linux/x86_64/bits/wordsize.h
index e55524100..9db982c90 100644
--- a/libc/sysdeps/linux/x86_64/bits/wordsize.h
+++ b/libc/sysdeps/linux/x86_64/bits/wordsize.h
@@ -1,9 +1,12 @@
 /* Determine the wordsize from the preprocessor defines.  */
 
-#if defined __x86_64__
+#if defined __x86_64__ && !defined __ILP32__
 # define __WORDSIZE	64
-/* This makes /var/run/utmp compatible with 32-bit environment: */
-# define __WORDSIZE_COMPAT32	1
 #else
 # define __WORDSIZE	32
 #endif
+
+#ifdef __x86_64__
+/* This makes /var/run/utmp compatible with 32-bit environment: */
+# define __WORDSIZE_TIME64_COMPAT32	1
+#endif