diff -r 6171f0bad318 -r f7b49b2c5d84 project_files/frontlib/util/logging.h
--- a/project_files/frontlib/util/logging.h	Wed Jun 27 22:52:19 2012 +0200
+++ b/project_files/frontlib/util/logging.h	Thu Jul 05 00:33:24 2012 +0200
@@ -44,9 +44,31 @@
 #define log_w_if(cond, ...) _flib_fassert(__func__, FLIB_LOGLEVEL_WARNING, !(bool)(cond), __VA_ARGS__)
 
 /**
- * Shorthand for some common error types
+ * Helper macros for log_badargs_if
+ * The t parameters are the textual representation of the c parameters. They need to be passed
+ * explicitly, to prevent them from being expanded in prescan.
  */
-#define log_badparams_if(cond) log_e_if(cond, "Invalid Parameters")
+#define _flib_lbi(c1,t1) log_e_if(c1, "Invalid Argument (%s)", t1)
+#define _flib_lbi2(c1,t1,c2,t2) (_flib_lbi(c1,t1) || _flib_lbi(c2,t2))
+#define _flib_lbi3(c1,t1,c2,t2,c3,t3) (_flib_lbi(c1,t1) || _flib_lbi2(c2,t2,c3,t3))
+#define _flib_lbi4(c1,t1,c2,t2,c3,t3,c4,t4) (_flib_lbi(c1,t1) || _flib_lbi3(c2,t2,c3,t3,c4,t4))
+#define _flib_lbi5(c1,t1,c2,t2,c3,t3,c4,t4,c5,t5) (_flib_lbi(c1,t1) || _flib_lbi4(c2,t2,c3,t3,c4,t4,c5,t5))
+#define _flib_lbi6(c1,t1,c2,t2,c3,t3,c4,t4,c5,t5,c6,t6) (_flib_lbi(c1,t1) || _flib_lbi5(c2,t2,c3,t3,c4,t4,c5,t5,c6,t6))
+
+/**
+ * These macros log an "Invalid Argument" error for the first of their arguments that evaluates to true.
+ * The text of the argument is included in the log message.
+ * The expression returns true if any of its arguments is true (i.e. if an argument error was logged).
+ *
+ * For example, log_badargs_if(x==NULL) will log "Invalid Argument (x==NULL)" and return true if x is NULL.
+ */
+#define log_badargs_if(c1) _flib_lbi(c1,#c1)
+#define log_badargs_if2(c1, c2) _flib_lbi2(c1,#c1,c2,#c2)
+#define log_badargs_if3(c1, c2, c3) _flib_lbi3(c1,#c1,c2,#c2,c3,#c3)
+#define log_badargs_if4(c1, c2, c3, c4) _flib_lbi4(c1,#c1,c2,#c2,c3,#c3,c4,#c4)
+#define log_badargs_if5(c1, c2, c3, c4, c5) _flib_lbi5(c1,#c1,c2,#c2,c3,#c3,c4,#c4,c5,#c5)
+#define log_badargs_if6(c1, c2, c3, c4, c5, c6) _flib_lbi6(c1,#c1,c2,#c2,c3,#c3,c4,#c4,c5,#c5,c6,#c6)
+
 #define log_oom_if(cond) log_e_if(cond, "Out of Memory")
 
 #define flib_log_e(...) _flib_flog(__func__, FLIB_LOGLEVEL_ERROR, __VA_ARGS__)
@@ -54,7 +76,6 @@
 #define flib_log_i(...) _flib_flog(__func__, FLIB_LOGLEVEL_INFO, __VA_ARGS__)
 #define flib_log_d(...) _flib_flog(__func__, FLIB_LOGLEVEL_DEBUG, __VA_ARGS__)
 
-bool _flib_assert_params(const char *func, bool cond);
 bool _flib_fassert(const char *func, int level, bool cond, const char *fmt, ...);
 void _flib_flog(const char *func, int level, const char *fmt, ...);