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From e7ed91c48e1a07527a860637a7865eb67ce34cf3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <schnitzeltony@gmail.com>
Date: Tue, 2 Apr 2019 01:34:35 +0200
Subject: [PATCH] Fix build with musl - systemd specific
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Networkmanager imported some code from systemd. This requires some adjustments
for musl.
Upstream-Status: Pending
Signed-off-by: Andreas Müller <schnitzeltony@gmail.com>
---
shared/systemd/src/basic/in-addr-util.c | 1 +
shared/systemd/src/basic/process-util.c | 9 +++++++++
shared/systemd/src/basic/socket-util.h | 6 ++++++
shared/systemd/src/basic/sort-util.h | 27 ++++---------------------
shared/systemd/src/basic/stdio-util.h | 2 ++
shared/systemd/src/basic/string-util.h | 5 +++++
6 files changed, 27 insertions(+), 23 deletions(-)
diff --git a/shared/systemd/src/basic/in-addr-util.c b/shared/systemd/src/basic/in-addr-util.c
index 91d687c..8388304 100644
--- a/shared/systemd/src/basic/in-addr-util.c
+++ b/shared/systemd/src/basic/in-addr-util.c
@@ -15,6 +15,7 @@
#include "in-addr-util.h"
#include "macro.h"
#include "parse-util.h"
+#include "string-util.h"
#include "random-util.h"
#include "strxcpyx.h"
#include "util.h"
diff --git a/shared/systemd/src/basic/process-util.c b/shared/systemd/src/basic/process-util.c
index 1456167..42f51a0 100644
--- a/shared/systemd/src/basic/process-util.c
+++ b/shared/systemd/src/basic/process-util.c
@@ -17,6 +17,9 @@
#include <sys/wait.h>
#include <syslog.h>
#include <unistd.h>
+#ifndef __GLIBC__
+#include <pthread.h>
+#endif
#if 0 /* NM_IGNORED */
#if HAVE_VALGRIND_VALGRIND_H
#include <valgrind/valgrind.h>
@@ -1123,11 +1126,13 @@ void reset_cached_pid(void) {
cached_pid = CACHED_PID_UNSET;
}
+#ifdef __GLIBC__
/* We use glibc __register_atfork() + __dso_handle directly here, as they are not included in the glibc
* headers. __register_atfork() is mostly equivalent to pthread_atfork(), but doesn't require us to link against
* libpthread, as it is part of glibc anyway. */
extern int __register_atfork(void (*prepare) (void), void (*parent) (void), void (*child) (void), void *dso_handle);
extern void* __dso_handle _weak_;
+#endif
pid_t getpid_cached(void) {
static bool installed = false;
@@ -1156,7 +1161,11 @@ pid_t getpid_cached(void) {
* only half-documented (glibc doesn't document it but LSB does — though only superficially)
* we'll check for errors only in the most generic fashion possible. */
+#ifdef __GLIBC__
if (__register_atfork(NULL, NULL, reset_cached_pid, __dso_handle) != 0) {
+#else
+ if (pthread_atfork(NULL, NULL, reset_cached_pid) != 0) {
+#endif
/* OOM? Let's try again later */
cached_pid = CACHED_PID_UNSET;
return new_pid;
diff --git a/shared/systemd/src/basic/socket-util.h b/shared/systemd/src/basic/socket-util.h
index a0886e0..da47d14 100644
--- a/shared/systemd/src/basic/socket-util.h
+++ b/shared/systemd/src/basic/socket-util.h
@@ -14,6 +14,12 @@
#include <sys/types.h>
#include <sys/un.h>
+#if !defined(__GLIBC__)
+/* SIOCGSTAMPNS from linux/asm-generic.h
+ * for src/systemd/src/libsystemd-network/sd-lldp.c */
+#include <linux/sockios.h>
+#endif
+
#include "macro.h"
#include "missing_socket.h"
#include "sparse-endian.h"
diff --git a/shared/systemd/src/basic/sort-util.h b/shared/systemd/src/basic/sort-util.h
index e029f86..1e8b6e1 100644
--- a/shared/systemd/src/basic/sort-util.h
+++ b/shared/systemd/src/basic/sort-util.h
@@ -5,15 +5,10 @@
#include "macro.h"
-void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
- __compar_d_fn_t compar, void *arg);
-
-#define typesafe_bsearch_r(k, b, n, func, userdata) \
- ({ \
- const typeof(b[0]) *_k = k; \
- int (*_func_)(const typeof(b[0])*, const typeof(b[0])*, typeof(userdata)) = func; \
- xbsearch_r((const void*) _k, (b), (n), sizeof((b)[0]), (__compar_d_fn_t) _func_, userdata); \
- })
+#if !defined(__GLIBC__)
+typedef int (*__compar_fn_t) (const void*, const void*);
+typedef __compar_fn_t comparison_fn_t;
+#endif
/**
* Normal bsearch requires base to be nonnull. Here were require
@@ -54,17 +49,3 @@ static inline void qsort_safe(void *base, size_t nmemb, size_t size, __compar_fn
int (*_func_)(const typeof(p[0])*, const typeof(p[0])*) = func; \
qsort_safe((p), (n), sizeof((p)[0]), (__compar_fn_t) _func_); \
})
-
-static inline void qsort_r_safe(void *base, size_t nmemb, size_t size, __compar_d_fn_t compar, void *userdata) {
- if (nmemb <= 1)
- return;
-
- assert(base);
- qsort_r(base, nmemb, size, compar, userdata);
-}
-
-#define typesafe_qsort_r(p, n, func, userdata) \
- ({ \
- int (*_func_)(const typeof(p[0])*, const typeof(p[0])*, typeof(userdata)) = func; \
- qsort_r_safe((p), (n), sizeof((p)[0]), (__compar_d_fn_t) _func_, userdata); \
- })
diff --git a/shared/systemd/src/basic/stdio-util.h b/shared/systemd/src/basic/stdio-util.h
index c3b9448..e80a938 100644
--- a/shared/systemd/src/basic/stdio-util.h
+++ b/shared/systemd/src/basic/stdio-util.h
@@ -1,7 +1,9 @@
/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
+#if defined(__GLIBC__)
#include <printf.h>
+#endif
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
diff --git a/shared/systemd/src/basic/string-util.h b/shared/systemd/src/basic/string-util.h
index 04cc82b..2cf589a 100644
--- a/shared/systemd/src/basic/string-util.h
+++ b/shared/systemd/src/basic/string-util.h
@@ -26,6 +26,11 @@
#define strcaseeq(a,b) (strcasecmp((a),(b)) == 0)
#define strncaseeq(a, b, n) (strncasecmp((a), (b), (n)) == 0)
+/* musl does not know strndupa */
+#if !defined(__GLIBC__)
+#define strndupa(x,s) strncpy(alloca(strlen(x)+1),x,s)
+#endif
+
int strcmp_ptr(const char *a, const char *b) _pure_;
static inline bool streq_ptr(const char *a, const char *b) {
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