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Merge pull request #4639 from buttaface/headers

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ndk-patches: use upstream ifaddrs.h and remove old syslog.h polyfills
This commit is contained in:
Leonid Pliushch 2019-12-29 20:35:46 +02:00 committed by GitHub
commit 978358cfa3
3 changed files with 10 additions and 669 deletions
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607
ndk-patches/ifaddrs.h
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@ -1,607 +0,0 @@
/*
* Copyright (c) 1995, 1999
* Berkeley Software Design, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED BY Berkeley Software Design, Inc. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Berkeley Software Design, Inc. BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* BSDI ifaddrs.h,v 2.5 2000/02/23 14:51:59 dab Exp
*/
/*
Copyright (c) 2013, Kenneth MacKay
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _IFADDRS_H_
#define _IFADDRS_H_
struct ifaddrs {
struct ifaddrs *ifa_next;
char *ifa_name;
unsigned int ifa_flags;
struct sockaddr *ifa_addr;
struct sockaddr *ifa_netmask;
struct sockaddr *ifa_dstaddr;
void *ifa_data;
};
/*
* This may have been defined in <net/if.h>. Note that if <net/if.h> is
* to be included it must be included before this header file.
*/
#ifndef ifa_broadaddr
#define ifa_broadaddr ifa_dstaddr /* broadcast address interface */
#endif
#include <sys/cdefs.h>
__BEGIN_DECLS
static int getifaddrs(struct ifaddrs **ifap);
static void freeifaddrs(struct ifaddrs *ifa);
__END_DECLS
#include <string.h>
#include <stdlib.h>
#include <stddef.h>
#include <errno.h>
#include <unistd.h>
#include <sys/socket.h>
#include <netpacket/packet.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
typedef struct NetlinkList {
struct NetlinkList *m_next;
struct nlmsghdr *m_data;
unsigned int m_size;
} NetlinkList;
static int netlink_socket(void)
{
int l_socket = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (l_socket < 0) return -1;
struct sockaddr_nl l_addr;
memset(&l_addr, 0, sizeof(l_addr));
l_addr.nl_family = AF_NETLINK;
if(bind(l_socket, (struct sockaddr *)&l_addr, sizeof(l_addr)) < 0) {
close(l_socket);
return -1;
}
return l_socket;
}
static int netlink_send(int p_socket, int p_request)
{
struct {
struct nlmsghdr m_hdr;
struct rtgenmsg m_msg;
} l_data;
memset(&l_data, 0, sizeof(l_data));
l_data.m_hdr.nlmsg_len = NLMSG_LENGTH(sizeof(struct rtgenmsg));
l_data.m_hdr.nlmsg_type = p_request;
l_data.m_hdr.nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST;
l_data.m_hdr.nlmsg_pid = 0;
l_data.m_hdr.nlmsg_seq = p_socket;
l_data.m_msg.rtgen_family = AF_UNSPEC;
struct sockaddr_nl l_addr;
memset(&l_addr, 0, sizeof(l_addr));
l_addr.nl_family = AF_NETLINK;
return (sendto(p_socket, &l_data.m_hdr, l_data.m_hdr.nlmsg_len, 0, (struct sockaddr *)&l_addr, sizeof(l_addr)));
}
static int netlink_recv(int p_socket, void *p_buffer, size_t p_len)
{
struct msghdr l_msg;
struct iovec l_iov = { p_buffer, p_len };
struct sockaddr_nl l_addr;
for (;;) {
l_msg.msg_name = (void *)&l_addr;
l_msg.msg_namelen = sizeof(l_addr);
l_msg.msg_iov = &l_iov;
l_msg.msg_iovlen = 1;
l_msg.msg_control = NULL;
l_msg.msg_controllen = 0;
l_msg.msg_flags = 0;
int l_result = recvmsg(p_socket, &l_msg, 0);
if (l_result < 0) {
if (errno == EINTR) {
continue;
}
return -2;
}
if (l_msg.msg_flags & MSG_TRUNC) {
/* Buffer was too small. */
return -1;
}
return l_result;
}
}
static struct nlmsghdr *getNetlinkResponse(int p_socket, int *p_size, int *p_done)
{
size_t l_size = 4096;
void *l_buffer = NULL;
for(;;) {
free(l_buffer);
l_buffer = malloc(l_size);
if (l_buffer == NULL) return NULL;
int l_read = netlink_recv(p_socket, l_buffer, l_size);
*p_size = l_read;
if (l_read == -2) {
free(l_buffer);
return NULL;
}
if (l_read >= 0) {
pid_t l_pid = getpid();
struct nlmsghdr *l_hdr;
for(l_hdr = (struct nlmsghdr *)l_buffer; NLMSG_OK(l_hdr, (unsigned int)l_read); l_hdr = (struct nlmsghdr *)NLMSG_NEXT(l_hdr, l_read)) {
if((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket) continue;
if(l_hdr->nlmsg_type == NLMSG_DONE) {
*p_done = 1;
break;
}
if(l_hdr->nlmsg_type == NLMSG_ERROR) {
free(l_buffer);
return NULL;
}
}
return (struct nlmsghdr*)l_buffer;
}
l_size *= 2;
}
}
static NetlinkList *newListItem(struct nlmsghdr *p_data, unsigned int p_size)
{
NetlinkList *l_item = (NetlinkList*)malloc(sizeof(NetlinkList));
if (l_item == NULL) return NULL;
l_item->m_next = NULL;
l_item->m_data = p_data;
l_item->m_size = p_size;
return l_item;
}
static void freeResultList(NetlinkList *p_list)
{
NetlinkList *l_cur;
while (p_list) {
l_cur = p_list;
p_list = p_list->m_next;
free(l_cur->m_data);
free(l_cur);
}
}
static NetlinkList *getResultList(int p_socket, int p_request)
{
if (netlink_send(p_socket, p_request) < 0) return NULL;
NetlinkList *l_list = NULL;
NetlinkList *l_end = NULL;
int l_size;
int l_done = 0;
while (!l_done) {
struct nlmsghdr *l_hdr = getNetlinkResponse(p_socket, &l_size, &l_done);
if (!l_hdr) {
freeResultList(l_list);
return NULL;
}
NetlinkList *l_item = newListItem(l_hdr, l_size);
if (!l_item) {
freeResultList(l_list);
return NULL;
}
if (!l_list) {
l_list = l_item;
} else {
l_end->m_next = l_item;
}
l_end = l_item;
}
return l_list;
}
static size_t maxSize(size_t a, size_t b)
{
return (a > b ? a : b);
}
static size_t calcAddrLen(sa_family_t p_family, int p_dataSize)
{
switch (p_family) {
case AF_INET:
return sizeof(struct sockaddr_in);
case AF_INET6:
return sizeof(struct sockaddr_in6);
case AF_PACKET:
return maxSize(sizeof(struct sockaddr_ll), offsetof(struct sockaddr_ll, sll_addr) + p_dataSize);
default:
return maxSize(sizeof(struct sockaddr), offsetof(struct sockaddr, sa_data) + p_dataSize);
}
}
static void makeSockaddr(sa_family_t p_family, struct sockaddr *p_dest, void *p_data, size_t p_size)
{
switch (p_family) {
case AF_INET:
memcpy(&((struct sockaddr_in*)p_dest)->sin_addr, p_data, p_size);
break;
case AF_INET6:
memcpy(&((struct sockaddr_in6*)p_dest)->sin6_addr, p_data, p_size);
break;
case AF_PACKET:
memcpy(((struct sockaddr_ll*)p_dest)->sll_addr, p_data, p_size);
((struct sockaddr_ll*)p_dest)->sll_halen = p_size;
break;
default:
memcpy(p_dest->sa_data, p_data, p_size);
break;
}
p_dest->sa_family = p_family;
}
static void addToEnd(struct ifaddrs **p_resultList, struct ifaddrs *p_entry)
{
if (!*p_resultList) {
*p_resultList = p_entry;
} else {
struct ifaddrs *l_cur = *p_resultList;
while(l_cur->ifa_next) {
l_cur = l_cur->ifa_next;
}
l_cur->ifa_next = p_entry;
}
}
static int interpretLink(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList)
{
struct ifinfomsg *l_info = (struct ifinfomsg *)NLMSG_DATA(p_hdr);
size_t l_nameSize = 0;
size_t l_addrSize = 0;
size_t l_dataSize = 0;
size_t l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifinfomsg));
struct rtattr *l_rta;
for (l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) {
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch (l_rta->rta_type) {
case IFLA_ADDRESS:
case IFLA_BROADCAST:
l_addrSize += NLMSG_ALIGN(calcAddrLen(AF_PACKET, l_rtaDataSize));
break;
case IFLA_IFNAME:
l_nameSize += NLMSG_ALIGN(l_rtaSize + 1);
break;
case IFLA_STATS:
l_dataSize += NLMSG_ALIGN(l_rtaSize);
break;
default:
break;
}
}
struct ifaddrs *l_entry = (struct ifaddrs*)malloc(sizeof(struct ifaddrs) + sizeof(int) + l_nameSize + l_addrSize + l_dataSize);
if (l_entry == NULL) return -1;
memset(l_entry, 0, sizeof(struct ifaddrs));
l_entry->ifa_name = (char*)"";
char *l_index = ((char *)l_entry) + sizeof(struct ifaddrs);
char *l_name = l_index + sizeof(int);
char *l_addr = l_name + l_nameSize;
char *l_data = l_addr + l_addrSize;
/* Save the interface index so we can look it up when handling the addresses. */
memcpy(l_index, &l_info->ifi_index, sizeof(int));
l_entry->ifa_flags = l_info->ifi_flags;
l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifinfomsg));
for (l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) {
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch (l_rta->rta_type) {
case IFLA_ADDRESS:
case IFLA_BROADCAST:
{
size_t l_addrLen = calcAddrLen(AF_PACKET, l_rtaDataSize);
makeSockaddr(AF_PACKET, (struct sockaddr *)l_addr, l_rtaData, l_rtaDataSize);
((struct sockaddr_ll *)l_addr)->sll_ifindex = l_info->ifi_index;
((struct sockaddr_ll *)l_addr)->sll_hatype = l_info->ifi_type;
if (l_rta->rta_type == IFLA_ADDRESS) {
l_entry->ifa_addr = (struct sockaddr *)l_addr;
} else {
l_entry->ifa_broadaddr = (struct sockaddr *)l_addr;
}
l_addr += NLMSG_ALIGN(l_addrLen);
break;
}
case IFLA_IFNAME:
strncpy(l_name, (char*)l_rtaData, l_rtaDataSize);
l_name[l_rtaDataSize] = '\0';
l_entry->ifa_name = l_name;
break;
case IFLA_STATS:
memcpy(l_data, l_rtaData, l_rtaDataSize);
l_entry->ifa_data = l_data;
break;
default:
break;
}
}
addToEnd(p_resultList, l_entry);
return 0;
}
static struct ifaddrs *findInterface(int p_index, struct ifaddrs **p_links, int p_numLinks)
{
int l_num = 0;
struct ifaddrs *l_cur = *p_links;
while (l_cur && l_num < p_numLinks) {
char *l_indexPtr = ((char *)l_cur) + sizeof(struct ifaddrs);
int l_index;
memcpy(&l_index, l_indexPtr, sizeof(int));
if(l_index == p_index) return l_cur;
l_cur = l_cur->ifa_next;
++l_num;
}
return NULL;
}
static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList, int p_numLinks)
{
struct ifaddrmsg *l_info = (struct ifaddrmsg *)NLMSG_DATA(p_hdr);
struct ifaddrs *l_interface = findInterface(l_info->ifa_index, p_resultList, p_numLinks);
if (l_info->ifa_family == AF_PACKET) return 0;
size_t l_nameSize = 0;
size_t l_addrSize = 0;
int l_addedNetmask = 0;
size_t l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg));
struct rtattr *l_rta;
for (l_rta = IFA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) {
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch (l_rta->rta_type) {
case IFA_ADDRESS:
case IFA_LOCAL:
if ((l_info->ifa_family == AF_INET || l_info->ifa_family == AF_INET6) && !l_addedNetmask) {
/* Make room for netmask. */
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
l_addedNetmask = 1;
}
case IFA_BROADCAST:
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
break;
case IFA_LABEL:
l_nameSize += NLMSG_ALIGN(l_rtaSize + 1);
break;
default:
break;
}
}
struct ifaddrs *l_entry = (struct ifaddrs*)malloc(sizeof(struct ifaddrs) + l_nameSize + l_addrSize);
if (l_entry == NULL) return -1;
memset(l_entry, 0, sizeof(struct ifaddrs));
l_entry->ifa_name = (l_interface ? l_interface->ifa_name : (char*)"");
char *l_name = ((char *)l_entry) + sizeof(struct ifaddrs);
char *l_addr = l_name + l_nameSize;
l_entry->ifa_flags = l_info->ifa_flags;
if (l_interface) {
l_entry->ifa_flags |= l_interface->ifa_flags;
}
l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg));
for (l_rta = IFA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize)) {
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch (l_rta->rta_type) {
case IFA_ADDRESS:
case IFA_BROADCAST:
case IFA_LOCAL:
{
size_t l_addrLen = calcAddrLen(l_info->ifa_family, l_rtaDataSize);
makeSockaddr(l_info->ifa_family, (struct sockaddr *)l_addr, l_rtaData, l_rtaDataSize);
if (l_info->ifa_family == AF_INET6) {
if (IN6_IS_ADDR_LINKLOCAL((struct in6_addr *)l_rtaData) || IN6_IS_ADDR_MC_LINKLOCAL((struct in6_addr *)l_rtaData)) {
((struct sockaddr_in6 *)l_addr)->sin6_scope_id = l_info->ifa_index;
}
}
if (l_rta->rta_type == IFA_ADDRESS) {
/* Apparently in a point-to-point network IFA_ADDRESS contains
the dest address and IFA_LOCAL contains the local address. */
if(l_entry->ifa_addr) {
l_entry->ifa_dstaddr = (struct sockaddr *)l_addr;
} else {
l_entry->ifa_addr = (struct sockaddr *)l_addr;
}
} else if (l_rta->rta_type == IFA_LOCAL) {
if(l_entry->ifa_addr) {
l_entry->ifa_dstaddr = l_entry->ifa_addr;
}
l_entry->ifa_addr = (struct sockaddr *)l_addr;
} else {
l_entry->ifa_broadaddr = (struct sockaddr *)l_addr;
}
l_addr += NLMSG_ALIGN(l_addrLen);
break;
}
case IFA_LABEL:
strncpy(l_name, (char*)l_rtaData, l_rtaDataSize);
l_name[l_rtaDataSize] = '\0';
l_entry->ifa_name = l_name;
break;
default:
break;
}
}
if (l_entry->ifa_addr && (l_entry->ifa_addr->sa_family == AF_INET || l_entry->ifa_addr->sa_family == AF_INET6)) {
unsigned l_maxPrefix = (l_entry->ifa_addr->sa_family == AF_INET ? 32 : 128);
unsigned l_prefix = (l_info->ifa_prefixlen > l_maxPrefix ? l_maxPrefix : l_info->ifa_prefixlen);
char l_mask[16] = {0};
unsigned i;
for (i=0; i<(l_prefix/8); ++i) {
l_mask[i] = 0xff;
}
if (l_prefix % 8) {
l_mask[i] = 0xff << (8 - (l_prefix % 8));
}
makeSockaddr(l_entry->ifa_addr->sa_family, (struct sockaddr *)l_addr, l_mask, l_maxPrefix / 8);
l_entry->ifa_netmask = (struct sockaddr *)l_addr;
}
addToEnd(p_resultList, l_entry);
return 0;
}
static int interpretLinks(int p_socket, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList)
{
int l_numLinks = 0;
pid_t l_pid = getpid();
for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next) {
unsigned int l_nlsize = p_netlinkList->m_size;
struct nlmsghdr *l_hdr;
for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize))
{
if ((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket) continue;
if (l_hdr->nlmsg_type == NLMSG_DONE) break;
if (l_hdr->nlmsg_type == RTM_NEWLINK) {
if(interpretLink(l_hdr, p_resultList) == -1) return -1;
++l_numLinks;
}
}
}
return l_numLinks;
}
static int interpretAddrs(int p_socket, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList, int p_numLinks)
{
pid_t l_pid = getpid();
for (; p_netlinkList; p_netlinkList = p_netlinkList->m_next) {
unsigned int l_nlsize = p_netlinkList->m_size;
struct nlmsghdr *l_hdr;
for (l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize)) {
if ((pid_t)l_hdr->nlmsg_pid != l_pid || (int)l_hdr->nlmsg_seq != p_socket) continue;
if (l_hdr->nlmsg_type == NLMSG_DONE) break;
if (l_hdr->nlmsg_type == RTM_NEWADDR) {
if (interpretAddr(l_hdr, p_resultList, p_numLinks) == -1) return -1;
}
}
}
return 0;
}
static int getifaddrs(struct ifaddrs **ifap)
{
if (!ifap) return -1;
*ifap = NULL;
int l_socket = netlink_socket();
if (l_socket < 0) {
return -1;
}
NetlinkList *l_linkResults = getResultList(l_socket, RTM_GETLINK);
if (!l_linkResults) {
close(l_socket);
return -1;
}
NetlinkList *l_addrResults = getResultList(l_socket, RTM_GETADDR);
if (!l_addrResults) {
close(l_socket);
freeResultList(l_linkResults);
return -1;
}
int l_result = 0;
int l_numLinks = interpretLinks(l_socket, l_linkResults, ifap);
if (l_numLinks == -1 || interpretAddrs(l_socket, l_addrResults, ifap, l_numLinks) == -1) {
l_result = -1;
}
freeResultList(l_linkResults);
freeResultList(l_addrResults);
close(l_socket);
return l_result;
}
static void freeifaddrs(struct ifaddrs *ifa)
{
struct ifaddrs *l_cur;
while (ifa) {
l_cur = ifa;
ifa = ifa->ifa_next;
free(l_cur);
}
}
#endif

69
ndk-patches/syslog.patch
View File

@ -1,77 +1,26 @@
diff -uNr sysroot.orig/usr/include/syslog.h sysroot/usr/include/syslog.h
--- sysroot.orig/usr/include/syslog.h 2019-02-12 16:12:24.000000000 +0000
+++ sysroot/usr/include/syslog.h 2019-03-20 13:19:44.315965728 +0000
@@ -32,6 +32,8 @@
#include <stdio.h>
#include <sys/cdefs.h>
#include <stdarg.h>
+#include <android/log.h> /* for __android_log_vprint() */
+#include <unistd.h> /* for getpid() */
__BEGIN_DECLS
@@ -92,6 +94,64 @@
void syslog(int __priority, const char* __fmt, ...) __printflike(2, 3);
@@ -158,4 +158,22 @@
*/
void vsyslog(int __priority, const char* __fmt, va_list __args) __printflike(2, 0);
+extern /*const*/ char* __progname;
+static __inline__ void android_polyfill_openlog(const char* a, int b, int c) {
+ (void) a;
+ (void) b;
+ (void) c;
+}
+static __inline__ void android_polyfill_closelog() {}
+
+static __inline__ void android_polyfill_vsyslog(int syslog_priority, char const* format, va_list ap)
+{
+ android_LogPriority a = ANDROID_LOG_ERROR;
+ switch (syslog_priority) {
+ case LOG_WARNING: a = ANDROID_LOG_WARN; break;
+ case LOG_NOTICE : a = ANDROID_LOG_INFO; break;
+ case LOG_INFO: a = ANDROID_LOG_INFO; break;
+ case LOG_DEBUG: a = ANDROID_LOG_DEBUG; break;
+ }
+ char* syslog_text;
+ if (vasprintf(&syslog_text, format, ap) == -1) {
+ __android_log_vprint(a, "syslog", format, ap);
+ return;
+ }
+ __android_log_print(a, "syslog", "%s - %s", __progname, syslog_text);
+ free(syslog_text);
+}
+
+static __inline__ void android_polyfill_syslog(int priority, const char* format, ...)
+{
+ va_list myargs;
+ va_start(myargs, format);
+ android_polyfill_vsyslog(priority, format, myargs);
+ va_end(myargs);
+}
+
+static __inline__ void android_polyfill_syslog_r(int syslog_priority, void* d, const char* format, ...)
+{
+ (void) d;
+ va_list myargs;
+ va_start(myargs, format);
+ android_polyfill_vsyslog(syslog_priority, format, myargs);
+ va_end(myargs);
+ (void) d;
+ va_list myargs;
+ va_start(myargs, format);
+ vsyslog(syslog_priority, format, myargs);
+ va_end(myargs);
+}
+
+static __inline__ void android_polyfill_vsyslog_r(int syslog_priority, void* d, const char* fmt, va_list ap)
+{
+ (void) d;
+ android_polyfill_vsyslog(syslog_priority, fmt, ap);
+ (void) d;
+ vsyslog(syslog_priority, fmt, ap);
+}
+
+#define openlog android_polyfill_openlog
+#define closelog android_polyfill_closelog
+
+#define syslog android_polyfill_syslog
+#define syslog_r android_polyfill_syslog_r
+
+#define vsyslog android_polyfill_vsyslog
+#define vsyslog_r android_polyfill_vsyslog_r
+
__END_DECLS
#endif /* _SYSLOG_H */

3
scripts/build/termux_step_setup_toolchain.sh
View File

@ -145,10 +145,9 @@ termux_step_setup_toolchain() {
sed "s%\@TERMUX_HOME\@%${TERMUX_ANDROID_HOME}%g" | \
patch --silent -p1;
done
# ifaddrs.h: Added in android-24 unified headers, use a inline implementation for now.
# libintl.h: Inline implementation gettext functions.
# langinfo.h: Inline implementation of nl_langinfo().
cp "$TERMUX_SCRIPTDIR"/ndk-patches/{ifaddrs.h,libintl.h,langinfo.h} usr/include
cp "$TERMUX_SCRIPTDIR"/ndk-patches/{libintl.h,langinfo.h} usr/include
# Remove <sys/capability.h> because it is provided by libcap.
# Remove <sys/shm.h> from the NDK in favour of that from the libandroid-shmem.