From 6b0732ac7164914ce16e231e35980b849bdfc4c8 Mon Sep 17 00:00:00 2001
From: Chen Qi <Qi.Chen@windriver.com>
Date: Mon, 25 Feb 2019 14:18:21 +0800
Subject: [PATCH] src/basic/missing.h: check for missing strndupa

include missing.h  for definition of strndupa

Upstream-Status: Inappropriate [musl specific]

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
[Rebased for v242]
Signed-off-by: Andrej Valek <andrej.valek@siemens.com>
[rebased for systemd 243]
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Signed-off-by: Alex Kiernan <alex.kiernan@gmail.com>
[rebased for systemd 244]
[Rebased for v247]
Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>

---
 meson.build                                |  1 +
 src/backlight/backlight.c                  |  1 +
 src/basic/cgroup-util.c                    |  1 +
 src/basic/env-util.c                       |  1 +
 src/basic/log.c                            |  1 +
 src/basic/missing_stdlib.h                 | 12 ++++++++++++
 src/basic/mkdir.c                          |  1 +
 src/basic/mountpoint-util.c                |  1 +
 src/basic/parse-util.c                     |  1 +
 src/basic/path-lookup.c                    |  1 +
 src/basic/proc-cmdline.c                   |  1 +
 src/basic/procfs-util.c                    |  1 +
 src/basic/selinux-util.c                   |  1 +
 src/basic/time-util.c                      |  1 +
 src/boot/bless-boot.c                      |  1 +
 src/core/dbus-cgroup.c                     |  1 +
 src/core/dbus-execute.c                    |  1 +
 src/core/dbus-util.c                       |  1 +
 src/core/execute.c                         |  1 +
 src/core/kmod-setup.c                      |  1 +
 src/core/service.c                         |  1 +
 src/coredump/coredump-vacuum.c             |  1 +
 src/journal-remote/journal-remote-main.c   |  1 +
 src/journal/journalctl.c                   |  1 +
 src/libsystemd/sd-bus/bus-message.c        |  1 +
 src/libsystemd/sd-bus/bus-objects.c        |  1 +
 src/libsystemd/sd-bus/bus-socket.c         |  1 +
 src/libsystemd/sd-bus/sd-bus.c             |  1 +
 src/libsystemd/sd-bus/test-bus-benchmark.c |  1 +
 src/libsystemd/sd-journal/sd-journal.c     |  1 +
 src/locale/keymap-util.c                   |  1 +
 src/login/pam_systemd.c                    |  1 +
 src/network/generator/network-generator.c  |  1 +
 src/nspawn/nspawn-settings.c               |  1 +
 src/nss-mymachines/nss-mymachines.c        |  1 +
 src/portable/portable.c                    |  1 +
 src/resolve/resolvectl.c                   |  1 +
 src/shared/bus-get-properties.c            |  1 +
 src/shared/bus-unit-procs.c                |  1 +
 src/shared/bus-unit-util.c                 |  1 +
 src/shared/bus-util.c                      |  1 +
 src/shared/dns-domain.c                    |  1 +
 src/shared/journal-importer.c              |  1 +
 src/shared/logs-show.c                     |  1 +
 src/shared/pager.c                         |  1 +
 src/shared/uid-range.c                     |  1 +
 src/socket-proxy/socket-proxyd.c           |  1 +
 src/test/test-hexdecoct.c                  |  1 +
 src/udev/udev-builtin-path_id.c            |  1 +
 src/udev/udev-event.c                      |  1 +
 src/udev/udev-rules.c                      |  1 +
 51 files changed, 62 insertions(+)

--- a/meson.build
+++ b/meson.build
@@ -550,6 +550,7 @@ foreach ident : [
         ['execveat',          '''#include <unistd.h>'''],
         ['close_range',       '''#include <unistd.h>'''],
         ['epoll_pwait2',      '''#include <sys/epoll.h>'''],
+        ['strndupa' ,         '''#include <string.h>'''],
 ]
 
         have = cc.has_function(ident[0], prefix : ident[1], args : '-D_GNU_SOURCE')
--- a/src/backlight/backlight.c
+++ b/src/backlight/backlight.c
@@ -19,6 +19,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "util.h"
+#include "missing_stdlib.h"
 
 static int help(void) {
         _cleanup_free_ char *link = NULL;
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -38,6 +38,7 @@
 #include "unit-name.h"
 #include "user-util.h"
 #include "xattr-util.h"
+#include "missing_stdlib.h"
 
 static int cg_enumerate_items(const char *controller, const char *path, FILE **_f, const char *item) {
         _cleanup_free_ char *fs = NULL;
--- a/src/basic/env-util.c
+++ b/src/basic/env-util.c
@@ -18,6 +18,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 /* We follow bash for the character set. Different shells have different rules. */
 #define VALID_BASH_ENV_NAME_CHARS               \
--- a/src/basic/log.c
+++ b/src/basic/log.c
@@ -36,6 +36,7 @@
 #include "terminal-util.h"
 #include "time-util.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 #define SNDBUF_SIZE (8*1024*1024)
 
--- a/src/basic/missing_stdlib.h
+++ b/src/basic/missing_stdlib.h
@@ -11,3 +11,15 @@
 #    error "neither secure_getenv nor __secure_getenv are available"
 #  endif
 #endif
+
+/* string.h */
+#if ! HAVE_STRNDUPA
+#define strndupa(s, n) \
+  ({ \
+    const char *__old = (s); \
+    size_t __len = strnlen(__old, (n)); \
+    char *__new = (char *)alloca(__len + 1); \
+    __new[__len] = '\0'; \
+    (char *)memcpy(__new, __old, __len); \
+  })
+#endif
--- a/src/basic/mkdir.c
+++ b/src/basic/mkdir.c
@@ -14,6 +14,7 @@
 #include "stat-util.h"
 #include "stdio-util.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 int mkdir_safe_internal(
                 const char *path,
--- a/src/basic/mountpoint-util.c
+++ b/src/basic/mountpoint-util.c
@@ -12,6 +12,7 @@
 #include "missing_stat.h"
 #include "missing_syscall.h"
 #include "mkdir.h"
+#include "missing_stdlib.h"
 #include "mountpoint-util.h"
 #include "parse-util.h"
 #include "path-util.h"
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -19,6 +19,7 @@
 #include "stat-util.h"
 #include "string-util.h"
 #include "strv.h"
+#include "missing_stdlib.h"
 
 int parse_boolean(const char *v) {
         if (!v)
--- a/src/basic/path-lookup.c
+++ b/src/basic/path-lookup.c
@@ -15,6 +15,7 @@
 #include "strv.h"
 #include "tmpfile-util.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 int xdg_user_runtime_dir(char **ret, const char *suffix) {
         const char *e;
--- a/src/basic/proc-cmdline.c
+++ b/src/basic/proc-cmdline.c
@@ -15,6 +15,7 @@
 #include "string-util.h"
 #include "util.h"
 #include "virt.h"
+#include "missing_stdlib.h"
 
 int proc_cmdline(char **ret) {
         const char *e;
--- a/src/basic/procfs-util.c
+++ b/src/basic/procfs-util.c
@@ -11,6 +11,7 @@
 #include "procfs-util.h"
 #include "stdio-util.h"
 #include "string-util.h"
+#include "missing_stdlib.h"
 
 int procfs_tasks_get_limit(uint64_t *ret) {
         _cleanup_free_ char *value = NULL;
--- a/src/basic/selinux-util.c
+++ b/src/basic/selinux-util.c
@@ -27,6 +27,7 @@
 #include "selinux-util.h"
 #include "stdio-util.h"
 #include "time-util.h"
+#include "missing_stdlib.h"
 
 #if HAVE_SELINUX
 DEFINE_TRIVIAL_CLEANUP_FUNC_FULL(context_t, context_free, NULL);
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -27,6 +27,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "time-util.h"
+#include "missing_stdlib.h"
 
 static clockid_t map_clock_id(clockid_t c) {
 
--- a/src/boot/bless-boot.c
+++ b/src/boot/bless-boot.c
@@ -18,6 +18,7 @@
 #include "util.h"
 #include "verbs.h"
 #include "virt.h"
+#include "missing_stdlib.h"
 
 static char **arg_path = NULL;
 
--- a/src/core/dbus-cgroup.c
+++ b/src/core/dbus-cgroup.c
@@ -17,6 +17,7 @@
 #include "limits-util.h"
 #include "path-util.h"
 #include "percent-util.h"
+#include "missing_stdlib.h"
 
 BUS_DEFINE_PROPERTY_GET(bus_property_get_tasks_max, "t", TasksMax, tasks_max_resolve);
 
--- a/src/core/dbus-execute.c
+++ b/src/core/dbus-execute.c
@@ -41,6 +41,7 @@
 #include "unit-printf.h"
 #include "user-util.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 BUS_DEFINE_PROPERTY_GET_ENUM(bus_property_get_exec_output, exec_output, ExecOutput);
 static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_exec_input, exec_input, ExecInput);
--- a/src/core/dbus-util.c
+++ b/src/core/dbus-util.c
@@ -9,6 +9,7 @@
 #include "unit-printf.h"
 #include "user-util.h"
 #include "unit.h"
+#include "missing_stdlib.h"
 
 int bus_property_get_triggered_unit(
                 sd_bus *bus,
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -96,6 +96,7 @@
 #include "unit-serialize.h"
 #include "user-util.h"
 #include "utmp-wtmp.h"
+#include "missing_stdlib.h"
 
 #define IDLE_TIMEOUT_USEC (5*USEC_PER_SEC)
 #define IDLE_TIMEOUT2_USEC (1*USEC_PER_SEC)
--- a/src/core/kmod-setup.c
+++ b/src/core/kmod-setup.c
@@ -11,6 +11,7 @@
 #include "macro.h"
 #include "string-util.h"
 #include "missing_type.h"
+#include "missing_stdlib.h"
 
 #if HAVE_KMOD
 #include "module-util.h"
--- a/src/core/service.c
+++ b/src/core/service.c
@@ -41,6 +41,7 @@
 #include "unit.h"
 #include "utf8.h"
 #include "util.h"
+#include "missing_stdlib.h"
 
 static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
         [SERVICE_DEAD] = UNIT_INACTIVE,
--- a/src/coredump/coredump-vacuum.c
+++ b/src/coredump/coredump-vacuum.c
@@ -16,6 +16,7 @@
 #include "string-util.h"
 #include "time-util.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 #define DEFAULT_MAX_USE_LOWER (uint64_t) (1ULL*1024ULL*1024ULL)           /* 1 MiB */
 #define DEFAULT_MAX_USE_UPPER (uint64_t) (4ULL*1024ULL*1024ULL*1024ULL)   /* 4 GiB */
--- a/src/journal-remote/journal-remote-main.c
+++ b/src/journal-remote/journal-remote-main.c
@@ -24,6 +24,7 @@
 #include "stat-util.h"
 #include "string-table.h"
 #include "strv.h"
+#include "missing_stdlib.h"
 
 #define PRIV_KEY_FILE CERTIFICATE_ROOT "/private/journal-remote.pem"
 #define CERT_FILE     CERTIFICATE_ROOT "/certs/journal-remote.pem"
--- a/src/journal/journalctl.c
+++ b/src/journal/journalctl.c
@@ -72,6 +72,7 @@
 #include "unit-name.h"
 #include "user-util.h"
 #include "varlink.h"
+#include "missing_stdlib.h"
 
 #define DEFAULT_FSS_INTERVAL_USEC (15*USEC_PER_MINUTE)
 #define PROCESS_INOTIFY_INTERVAL 1024   /* Every 1,024 messages processed */
--- a/src/libsystemd/sd-bus/bus-message.c
+++ b/src/libsystemd/sd-bus/bus-message.c
@@ -20,6 +20,7 @@
 #include "strv.h"
 #include "time-util.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 static int message_append_basic(sd_bus_message *m, char type, const void *p, const void **stored);
 
--- a/src/libsystemd/sd-bus/bus-objects.c
+++ b/src/libsystemd/sd-bus/bus-objects.c
@@ -12,6 +12,7 @@
 #include "set.h"
 #include "string-util.h"
 #include "strv.h"
+#include "missing_stdlib.h"
 
 static int node_vtable_get_userdata(
                 sd_bus *bus,
--- a/src/libsystemd/sd-bus/bus-socket.c
+++ b/src/libsystemd/sd-bus/bus-socket.c
@@ -28,6 +28,7 @@
 #include "string-util.h"
 #include "user-util.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 #define SNDBUF_SIZE (8*1024*1024)
 
--- a/src/libsystemd/sd-bus/sd-bus.c
+++ b/src/libsystemd/sd-bus/sd-bus.c
@@ -41,6 +41,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 #define log_debug_bus_message(m)                                         \
         do {                                                             \
--- a/src/libsystemd/sd-bus/test-bus-benchmark.c
+++ b/src/libsystemd/sd-bus/test-bus-benchmark.c
@@ -14,6 +14,7 @@
 #include "string-util.h"
 #include "time-util.h"
 #include "util.h"
+#include "missing_stdlib.h"
 
 #define MAX_SIZE (2*1024*1024)
 
--- a/src/libsystemd/sd-journal/sd-journal.c
+++ b/src/libsystemd/sd-journal/sd-journal.c
@@ -40,6 +40,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "syslog-util.h"
+#include "missing_stdlib.h"
 
 #define JOURNAL_FILES_MAX 7168
 
--- a/src/locale/keymap-util.c
+++ b/src/locale/keymap-util.c
@@ -24,6 +24,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "tmpfile-util.h"
+#include "missing_stdlib.h"
 
 static bool startswith_comma(const char *s, const char *prefix) {
         s = startswith(s, prefix);
--- a/src/login/pam_systemd.c
+++ b/src/login/pam_systemd.c
@@ -31,6 +31,7 @@
 #include "locale-util.h"
 #include "login-util.h"
 #include "macro.h"
+#include "missing_stdlib.h"
 #include "pam-util.h"
 #include "parse-util.h"
 #include "path-util.h"
--- a/src/network/generator/network-generator.c
+++ b/src/network/generator/network-generator.c
@@ -13,6 +13,7 @@
 #include "string-table.h"
 #include "string-util.h"
 #include "strv.h"
+#include "missing_stdlib.h"
 
 /*
   # .network
--- a/src/nspawn/nspawn-settings.c
+++ b/src/nspawn/nspawn-settings.c
@@ -16,6 +16,7 @@
 #include "strv.h"
 #include "user-util.h"
 #include "util.h"
+#include "missing_stdlib.h"
 
 Settings *settings_new(void) {
         Settings *s;
--- a/src/nss-mymachines/nss-mymachines.c
+++ b/src/nss-mymachines/nss-mymachines.c
@@ -21,6 +21,7 @@
 #include "nss-util.h"
 #include "signal-util.h"
 #include "string-util.h"
+#include "missing_stdlib.h"
 
 static void setup_logging(void) {
         /* We need a dummy function because log_parse_environment is a macro. */
--- a/src/portable/portable.c
+++ b/src/portable/portable.c
@@ -32,6 +32,7 @@
 #include "strv.h"
 #include "tmpfile-util.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 static const char profile_dirs[] = CONF_PATHS_NULSTR("systemd/portable/profile");
 
--- a/src/resolve/resolvectl.c
+++ b/src/resolve/resolvectl.c
@@ -41,6 +41,7 @@
 #include "terminal-util.h"
 #include "utf8.h"
 #include "verbs.h"
+#include "missing_stdlib.h"
 
 static int arg_family = AF_UNSPEC;
 static int arg_ifindex = 0;
--- a/src/shared/bus-get-properties.c
+++ b/src/shared/bus-get-properties.c
@@ -4,6 +4,7 @@
 #include "rlimit-util.h"
 #include "stdio-util.h"
 #include "string-util.h"
+#include "missing_stdlib.h"
 
 int bus_property_get_bool(
                 sd_bus *bus,
--- a/src/shared/bus-unit-procs.c
+++ b/src/shared/bus-unit-procs.c
@@ -10,6 +10,7 @@
 #include "sort-util.h"
 #include "string-util.h"
 #include "terminal-util.h"
+#include "missing_stdlib.h"
 
 struct CGroupInfo {
         char *cgroup_path;
--- a/src/shared/bus-unit-util.c
+++ b/src/shared/bus-unit-util.c
@@ -45,6 +45,7 @@
 #include "unit-def.h"
 #include "user-util.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 int bus_parse_unit_info(sd_bus_message *message, UnitInfo *u) {
         assert(message);
--- a/src/shared/bus-util.c
+++ b/src/shared/bus-util.c
@@ -21,6 +21,7 @@
 #include "path-util.h"
 #include "socket-util.h"
 #include "stdio-util.h"
+#include "missing_stdlib.h"
 
 static int name_owner_change_callback(sd_bus_message *m, void *userdata, sd_bus_error *ret_error) {
         sd_event *e = userdata;
--- a/src/shared/dns-domain.c
+++ b/src/shared/dns-domain.c
@@ -17,6 +17,7 @@
 #include "string-util.h"
 #include "strv.h"
 #include "utf8.h"
+#include "missing_stdlib.h"
 
 int dns_label_unescape(const char **name, char *dest, size_t sz, DNSLabelFlags flags) {
         const char *n;
--- a/src/shared/journal-importer.c
+++ b/src/shared/journal-importer.c
@@ -14,6 +14,7 @@
 #include "parse-util.h"
 #include "string-util.h"
 #include "unaligned.h"
+#include "missing_stdlib.h"
 
 enum {
         IMPORTER_STATE_LINE = 0,    /* waiting to read, or reading line */
--- a/src/shared/logs-show.c
+++ b/src/shared/logs-show.c
@@ -41,6 +41,7 @@
 #include "utf8.h"
 #include "util.h"
 #include "web-util.h"
+#include "missing_stdlib.h"
 
 /* up to three lines (each up to 100 characters) or 300 characters, whichever is less */
 #define PRINT_LINE_THRESHOLD 3
--- a/src/shared/pager.c
+++ b/src/shared/pager.c
@@ -26,6 +26,7 @@
 #include "strv.h"
 #include "terminal-util.h"
 #include "util.h"
+#include "missing_stdlib.h"
 
 static pid_t pager_pid = 0;
 
--- a/src/shared/uid-range.c
+++ b/src/shared/uid-range.c
@@ -9,6 +9,7 @@
 #include "sort-util.h"
 #include "uid-range.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 static bool uid_range_intersect(UidRange *range, uid_t start, uid_t nr) {
         assert(range);
--- a/src/socket-proxy/socket-proxyd.c
+++ b/src/socket-proxy/socket-proxyd.c
@@ -26,6 +26,7 @@
 #include "socket-util.h"
 #include "string-util.h"
 #include "util.h"
+#include "missing_stdlib.h"
 
 #define BUFFER_SIZE (256 * 1024)
 
--- a/src/test/test-hexdecoct.c
+++ b/src/test/test-hexdecoct.c
@@ -6,6 +6,7 @@
 #include "hexdecoct.h"
 #include "macro.h"
 #include "string-util.h"
+#include "missing_stdlib.h"
 
 static void test_hexchar(void) {
         assert_se(hexchar(0xa) == 'a');
--- a/src/udev/udev-builtin-path_id.c
+++ b/src/udev/udev-builtin-path_id.c
@@ -22,6 +22,7 @@
 #include "sysexits.h"
 #include "udev-builtin.h"
 #include "udev-util.h"
+#include "missing_stdlib.h"
 
 _printf_(2,3)
 static void path_prepend(char **path, const char *fmt, ...) {
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -33,6 +33,7 @@
 #include "udev-util.h"
 #include "udev-watch.h"
 #include "user-util.h"
+#include "missing_stdlib.h"
 
 typedef struct Spawn {
         sd_device *device;
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -31,6 +31,7 @@
 #include "udev-rules.h"
 #include "user-util.h"
 #include "virt.h"
+#include "missing_stdlib.h"
 
 #define RULES_DIRS (const char* const*) CONF_PATHS_STRV("udev/rules.d")
 
--- a/src/basic/percent-util.c
+++ b/src/basic/percent-util.c
@@ -3,6 +3,7 @@
 #include "percent-util.h"
 #include "string-util.h"
 #include "parse-util.h"
+#include "missing_stdlib.h"
 
 static int parse_parts_value_whole(const char *p, const char *symbol) {
         const char *pc, *n;