--- a/th_util.c	Tue Nov 17 19:21:35 2009 +0200
+++ b/th_util.c	Tue Nov 17 23:08:15 2009 +0200
@@ -48,44 +48,66 @@
 /* Print formatted error, warning and information messages
  * TODO: Implement th_vfprintf() and friends?
  */
-void THERR(const char *pcFormat, ...)
+void THERR_V(const char *fmt, va_list ap)
+{
+    assert(th_initialized == TRUE);
+
+    fprintf(stderr, "%s: ", th_prog_name);
+    vfprintf(stderr, fmt, ap);
+}
+
+
+void THMSG_V(int level, const char *fmt, va_list ap)
+{
+    assert(th_initialized == TRUE);
+
+    if (th_verbosityLevel >= level) {
+        fprintf(stderr, "%s: ", th_prog_name);
+        vfprintf(stderr, fmt, ap);
+    }
+}
+
+
+void THPRINT_V(int level, const char *fmt, va_list ap)
+{
+    assert(th_initialized == TRUE);
+
+    if (th_verbosityLevel >= level) {
+        vfprintf(stderr, fmt, ap);
+    }
+}
+
+
+void THERR(const char *fmt, ...)
 {
     va_list ap;
-    assert(th_initialized);
+    assert(th_initialized == TRUE);
 
-    va_start(ap, pcFormat);
-    fprintf(stderr, "%s: ", th_prog_name);
-    vfprintf(stderr, pcFormat, ap);
+    va_start(ap, fmt);
+    THERR_V(fmt, ap);
     va_end(ap);
 }
 
 
-void THMSG(int verbLevel, const char *pcFormat, ...)
+void THMSG(int level, const char *fmt, ...)
 {
     va_list ap;
-    assert(th_initialized);
+    assert(th_initialized == TRUE);
 
-    /* Check if the current verbosity level is enough */
-    if (th_verbosityLevel >= verbLevel) {
-        va_start(ap, pcFormat);
-        fprintf(stderr, "%s: ", th_prog_name);
-        vfprintf(stderr, pcFormat, ap);
-        va_end(ap);
-    }
+    va_start(ap, fmt);
+    THMSG_V(level, fmt, ap);
+    va_end(ap);
 }
 
 
-void THPRINT(int verbLevel, const char *pcFormat, ...)
+void THPRINT(int level, const char *fmt, ...)
 {
     va_list ap;
-    assert(th_initialized);
+    assert(th_initialized == TRUE);
 
-    /* Check if the current verbosity level is enough */
-    if (th_verbosityLevel >= verbLevel) {
-        va_start(ap, pcFormat);
-        vfprintf(stderr, pcFormat, ap);
-        va_end(ap);
-    }
+    va_start(ap, fmt);
+    THPRINT_V(level, fmt, ap);
+    va_end(ap);
 }
 
 

--- a/th_util.h	Tue Nov 17 19:21:35 2009 +0200
+++ b/th_util.h	Tue Nov 17 23:08:15 2009 +0200
@@ -68,6 +68,10 @@
 void    THMSG(int, const char *, ...);
 void    THPRINT(int, const char *, ...);
 
+void    THERR_V(const char *, va_list);
+void    THMSG_V(int, const char *, va_list);
+void    THPRINT_V(int, const char *, va_list);
+
 void    *th_malloc(size_t);
 void    *th_calloc(size_t, size_t);
 void    *th_realloc(void *, size_t);