untangle serverlogfile from per-file default

tests/server/mqttd.c

@@ -927,6 +927,8 @@ int main(int argc, char *argv[])
   int error;
   int arg = 1;
 
+  serverlogfile = DEFAULT_LOGFILE;
+
   while(argc > arg) {
     if(!strcmp("--version", argv[arg])) {
       printf("mqttd IPv4%s\n",

tests/server/rtspd.c

@@ -1045,6 +1045,8 @@ int main(int argc, char *argv[])
 
   memset(&req, 0, sizeof(req));
 
+  serverlogfile = DEFAULT_LOGFILE;
+
   while(argc > arg) {
     if(!strcmp("--version", argv[arg])) {
       printf("rtspd IPv4%s"

tests/server/sockfilt.c

@@ -1393,6 +1393,8 @@ int main(int argc, char *argv[])
   enum sockmode mode = PASSIVE_LISTEN; /* default */
   const char *addr = NULL;
 
+  serverlogfile = DEFAULT_LOGFILE;
+
   while(argc > arg) {
     if(!strcmp("--version", argv[arg])) {
       printf("sockfilt IPv4%s\n",

tests/server/socksd.c

@@ -973,6 +973,8 @@ int main(int argc, char *argv[])
   bool unlink_socket = false;
 #endif
 
+  serverlogfile = DEFAULT_LOGFILE;
+
   while(argc > arg) {
     if(!strcmp("--version", argv[arg])) {
       printf("socksd IPv4%s\n",

tests/server/sws.c

@@ -2043,6 +2043,8 @@ int main(int argc, char *argv[])
   /* a default CONNECT port is basically pointless but still ... */
   size_t socket_idx;
 
+  serverlogfile = DEFAULT_LOGFILE;
+
   while(argc > arg) {
     if(!strcmp("--version", argv[arg])) {
       puts("sws IPv4"

tests/server/tftpd.c

@@ -563,6 +563,8 @@ int main(int argc, char **argv)
 
   memset(&test, 0, sizeof(test));
 
+  serverlogfile = DEFAULT_LOGFILE;
+
   while(argc > arg) {
     if(!strcmp("--version", argv[arg])) {
       printf("tftpd IPv4%s\n",

tests/server/util.c

@@ -56,7 +56,7 @@
 #include "timeval.h"
 #include "timediff.h"
 
-const char *serverlogfile = DEFAULT_LOGFILE;
+const char *serverlogfile = NULL;  /* needs init from main() */
 
 static struct timeval tvnow(void);