Patch-Source: https://src.fedoraproject.org/rpms/hfsplus-tools/blob/f27/f/hfsplus-tools-learn-to-stdarg.patch

diff -up diskdev_cmds-540.1.linux3/fsck_hfs.tproj/utilities.c.jx diskdev_cmds-540.1.linux3/fsck_hfs.tproj/utilities.c
--- diskdev_cmds-540.1.linux3/fsck_hfs.tproj/utilities.c.jx	2012-02-01 12:17:19.000000000 -0500
+++ diskdev_cmds-540.1.linux3/fsck_hfs.tproj/utilities.c	2014-06-18 13:44:45.125620007 -0400
@@ -296,11 +296,8 @@ static volatile int    keep_going = 1;
 #undef printf
 
 // prototype
-void print_to_mem(int type, const char *fmt, const char *str, va_list ap);
-
-#define  DO_VPRINT   1    // types for print_to_mem
-#define  DO_STR      2
-
+void vprint_to_mem(const char *fmt, va_list ap);
+void print_to_mem(const char *fmt, ...);
 
 static void *
 fsck_printing_thread(void *arg)
@@ -547,8 +544,8 @@ setup_logging(void)
 		cur_in_mem = in_mem_log;
 
 		t = time(NULL);
-		print_to_mem(DO_STR, "\n%s: ", cdevname ? cdevname : "UNKNOWN-DEV", NULL); 
-		print_to_mem(DO_STR, "fsck_hfs run at %s", ctime(&t), NULL);
+		print_to_mem("\n%s: ", cdevname ? cdevname : "UNKNOWN-DEV"); 
+		print_to_mem("fsck_hfs run at %s", ctime(&t));
 
 		if (live_fsck && log_file) {
 		    pthread_cond_init(&mem_buf_cond, NULL);
@@ -576,26 +573,20 @@ setup_logging(void)
 
 
 void
-print_to_mem(int type, const char *fmt, const char *str, va_list ap)
+vprint_to_mem(const char *fmt, va_list ap)
 {
     int ret;
     size_t size_remaining;
     va_list ap_copy;
     
-    if (type == DO_VPRINT) {
-	va_copy(ap_copy, ap);
-    }
+    va_copy(ap_copy, ap);
     
     if (live_fsck) {
 	pthread_mutex_lock(&mem_buf_lock);
     }
 	
     size_remaining = in_mem_size - (ptrdiff_t)(cur_in_mem - in_mem_log);
-    if (type == DO_VPRINT) {
-	ret = vsnprintf(cur_in_mem, size_remaining, fmt, ap);
-    } else {
-	ret = snprintf(cur_in_mem, size_remaining, fmt, str);
-    }
+    ret = vsnprintf(cur_in_mem, size_remaining, fmt, ap);
     if (ret > size_remaining) {
 	char *new_log;
 	size_t amt;
@@ -619,11 +610,7 @@ print_to_mem(int type, const char *fmt,
 	cur_in_mem = new_log + (cur_in_mem - in_mem_log);
 	in_mem_log = new_log;
 	size_remaining = in_mem_size - (ptrdiff_t)(cur_in_mem - new_log);
-	if (type == DO_VPRINT) {
-	    ret = vsnprintf(cur_in_mem, size_remaining, fmt, ap_copy);
-	} else {
-	    ret = snprintf(cur_in_mem, size_remaining, fmt, str);
-	}
+	ret = vsnprintf(cur_in_mem, size_remaining, fmt, ap_copy);
 	if (ret <= size_remaining) {
 	    cur_in_mem += ret;
 	}
@@ -636,11 +623,18 @@ print_to_mem(int type, const char *fmt,
 	pthread_mutex_unlock(&mem_buf_lock);
     }
 done:
-    if (type == DO_VPRINT) {
-	va_end(ap_copy);
-    }
+    va_end(ap_copy);
 }
 
+void
+print_to_mem(const char *fmt, ...)
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    vprint_to_mem(fmt, ap);
+    va_end(ap);
+}
 
 static int need_prefix=1;
 
@@ -662,7 +656,7 @@ static int need_prefix=1;
 	LOG_PREFIX \
 	vfprintf(log_file, fmt, ap); \
     } else { \
-	print_to_mem(DO_VPRINT, fmt, NULL, ap);	\
+	vprint_to_mem(fmt, ap);	\
     }
 
 #define FLOG(fmt, str) \
@@ -670,7 +664,7 @@ static int need_prefix=1;
 	LOG_PREFIX;				\
 	fprintf(log_file, fmt, str);		\
     } else { \
-	print_to_mem(DO_STR, fmt, str, NULL);	\
+	print_to_mem(fmt, str);	\
     }
 
 
@@ -800,7 +794,7 @@ vplog(const char *fmt, va_list ap)
 	LOG_PREFIX;
 	vfprintf(log_file, fmt, ap);
     } else {
-	print_to_mem(DO_VPRINT, fmt, NULL, ap);
+	vprint_to_mem(fmt, ap);
     }
 }