tree-wide: use unsigned for refcount

src/core/dynamic-user.h

@@ -15,7 +15,7 @@ typedef struct DynamicCreds {
  * used. This means, if you want to allocate a group and user pair, and they might have two different names, then you
  * need to allocated two of these objects. DynamicCreds below makes that easy. */
 struct DynamicUser {
-        int n_ref;
+        unsigned n_ref;
         Manager *manager;
 
         /* An AF_UNIX socket pair that contains a datagram containing both the numeric ID assigned, as well as a lock

src/core/execute.h

@@ -107,7 +107,7 @@ struct ExecCommand {
  * between invocations of commands. This is a reference counted object, with one reference taken by each currently
  * active command invocation that wants to share this runtime. */
 struct ExecRuntime {
-        int n_ref;
+        unsigned n_ref;
 
         Manager *manager;
 

src/journal-remote/journal-remote-write.h

@@ -16,7 +16,7 @@ typedef struct Writer {
 
         uint64_t seqnum;
 
-        int n_ref;
+        unsigned n_ref;
 } Writer;
 
 Writer* writer_new(RemoteServer* server);

src/journal/mmap-cache.c

@@ -53,7 +53,7 @@ struct MMapFileDescriptor {
 };
 
 struct MMapCache {
-        int n_ref;
+        unsigned n_ref;
         unsigned n_windows;
 
         unsigned n_hit, n_missed;

src/libsystemd/sd-device/device-internal.h

@@ -7,7 +7,7 @@
 #include "set.h"
 
 struct sd_device {
-        uint64_t n_ref;
+        unsigned n_ref;
 
         sd_device *parent;
         bool parent_set; /* no need to try to reload parent */

src/network/netdev/netdev.h

@@ -72,7 +72,7 @@ typedef struct Condition Condition;
 typedef struct NetDev {
         Manager *manager;
 
-        int n_ref;
+        unsigned n_ref;
 
         char *filename;
 

src/network/networkd-link.h

@@ -49,7 +49,7 @@ typedef struct DUID DUID;
 typedef struct Link {
         Manager *manager;
 
-        int n_ref;
+        unsigned n_ref;
 
         int ifindex;
         char *ifname;

src/resolve/resolved-dns-packet.h

@@ -53,7 +53,7 @@ struct DnsPacketHeader {
 #define DNS_PACKET_UNICAST_SIZE_LARGE_MAX 4096u
 
 struct DnsPacket {
-        int n_ref;
+        unsigned n_ref;
         DnsProtocol protocol;
         size_t size, allocated, rindex, max_size;
         void *_data; /* don't access directly, use DNS_PACKET_DATA()! */

src/resolve/resolved-dns-stream.h

@@ -23,7 +23,7 @@ typedef struct DnsStream DnsStream;
 
 struct DnsStream {
         Manager *manager;
-        int n_ref;
+        unsigned n_ref;
 
         DnsProtocol protocol;