* Add some logging and forking tweaks to work better with systemd.

log.c

@@ -25,6 +25,7 @@
 #include <string.h>
 #include <time.h>
 
+#include "upnpglobalvars.h"
 #include "log.h"
 
 static FILE *log_fp = NULL;
@@ -123,11 +124,7 @@ log_init(const char *fname, const char *debug)
 void
 log_err(int level, enum _log_facility facility, char *fname, int lineno, char *fmt, ...)
 {
-	//char errbuf[1024];
-	char * errbuf;
 	va_list ap;
-	time_t t;
-	struct tm *tm;
 
 	if (level && level>log_level[facility] && level>E_FATAL)
 		return;
@@ -135,29 +132,33 @@ log_err(int level, enum _log_facility facility, char *fname, int lineno, char *f
 	if (!log_fp)
 		log_fp = stdout;
 
+	// timestamp
+	if (!GETFLAG(SYSTEMD_MASK))
+	{
+		time_t t;
+		struct tm *tm;
+		t = time(NULL);
+		tm = localtime(&t);
+		fprintf(log_fp, "[%04d/%02d/%02d %02d:%02d:%02d] ",
+		        tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
+		        tm->tm_hour, tm->tm_min, tm->tm_sec);
+	}
+
+	if (level)
+		fprintf(log_fp, "%s:%d: %s: ", fname, lineno, level_name[level]);
+	else
+		fprintf(log_fp, "%s:%d: ", fname, lineno);
+
 	// user log
 	va_start(ap, fmt);
-	//vsnprintf(errbuf, sizeof(errbuf), fmt, ap);
+	if (vfprintf(log_fp, fmt, ap) == -1)
-	if (vasprintf(&errbuf, fmt, ap) == -1)
 	{
 		va_end(ap);
 		return;
 	}
 	va_end(ap);
 
-	// timestamp
-	t = time(NULL);
-	tm = localtime(&t);
-	fprintf(log_fp, "[%04d/%02d/%02d %02d:%02d:%02d] ",
-	        tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
-	        tm->tm_hour, tm->tm_min, tm->tm_sec);
-
-	if (level)
-		fprintf(log_fp, "%s:%d: %s: %s", fname, lineno, level_name[level], errbuf);
-	else
-		fprintf(log_fp, "%s:%d: %s", fname, lineno, errbuf);
 	fflush(log_fp);
-	free(errbuf);
 
 	if (level==E_FATAL)
 		exit(-1);

metadata.c

@@ -668,7 +668,7 @@ no_exifdata:
 		m.dlna_pn = strdup("JPEG_SM");
 	else if( width <= 1024 && height <= 768 )
 		m.dlna_pn = strdup("JPEG_MED");
-	else if( (width <= 4096 && height <= 4096) || !(GETFLAG(DLNA_STRICT_MASK)) )
+	else if( (width <= 4096 && height <= 4096) || !GETFLAG(DLNA_STRICT_MASK) )
 		m.dlna_pn = strdup("JPEG_LRG");
 	xasprintf(&m.resolution, "%dx%d", width, height);
 

minidlna.c

@@ -930,6 +930,11 @@ init(int argc, char * * argv)
 				}
 			}
 			break;
+#ifdef __linux__
+		case 'S':
+			SETFLAG(SYSTEMD_MASK);
+			break;
+#endif
 		case 'V':
 			printf("Version " MINIDLNA_VERSION "\n");
 			exit(0);
@@ -970,6 +975,9 @@ init(int argc, char * * argv)
 			"\t-h displays this text\n"
 			"\t-R forces a full rescan\n"
 			"\t-L do note create playlists\n"
+#ifdef __linux__
+			"\t-S changes behaviour for systemd\n"
+#endif
 			"\t-V print the version number\n",
 		        argv[0], pidfilename);
 		return 1;
@@ -984,26 +992,33 @@ init(int argc, char * * argv)
 	{
 		log_level = log_str;
 	}
+
+	/* Set the default log file path to NULL (stdout) */
+	path = NULL;
 	if(debug_flag)
 	{
 		pid = getpid();
 		strcpy(log_str+65, "maxdebug");
 		log_level = log_str;
-		log_init(NULL, log_level);
+	}
+	else if(GETFLAG(SYSTEMD_MASK))
+	{
+		pid = getpid();
 	}
 	else
 	{
 		pid = daemonize();
 		#ifdef READYNAS
 		unlink("/ramfs/.upnp-av_scan");
-		log_init("/var/log/upnp-av.log", log_level);
+		path = "/var/log/upnp-av.log";
 		#else
 		if( access(db_path, F_OK) != 0 )
 			make_dir(db_path, S_ISVTX|S_IRWXU|S_IRWXG|S_IRWXO);
-		sprintf(buf, "%s/minidlna.log", log_path);
+		snprintf(buf, sizeof(buf), "%s/minidlna.log", log_path);
-		log_init(buf, log_level);
+		path = buf;
 		#endif
 	}
+	log_init(path, log_level);
 
 	if (checkforrunning(pidfilename) < 0)
 	{

tagutils/tagutils-asf.c

@@ -252,7 +252,8 @@ _asf_load_string(FILE *fp, int type, int size, char *buf, int len)
 		case ASF_VT_UNICODE:
 			for(j = 0; j < size; j += 2)
 			{
-				wc = *(__s16*)&data[j];
+				wd16 = (__s16 *) &data[j];
+				wc = (__u16)*wd16;
 				i += utf16le_to_utf8(&buf[i], len - i, wc);
 			}
 			break;

upnpglobalvars.h

@@ -188,9 +188,10 @@ extern uint32_t runtime_flags;
 #define TIVO_MASK             0x0002
 #define DLNA_STRICT_MASK      0x0004
 #define NO_PLAYLIST_MASK      0x0008
+#define SYSTEMD_MASK          0x0010
 
 #define SETFLAG(mask)	runtime_flags |= mask
-#define GETFLAG(mask)	runtime_flags & mask
+#define GETFLAG(mask)	(runtime_flags & mask)
 #define CLEARFLAG(mask)	runtime_flags &= ~mask
 
 extern const char * pidfilename;