Another attempt to fix the current travis build. Improved testing of std.cfg.

cfg/std.cfg

@@ -86,7 +86,6 @@
   <!-- void assert(int expression) -->
   <function name="assert">
     <leak-ignore/>
-    <noreturn>true</noreturn>
     <arg nr="1">
       <not-uninit/>
     </arg>
@@ -234,7 +233,7 @@
   <!-- double tan(double x); -->
   <!-- float tanf(float x); -->
   <!-- long double tanl(long double x); -->
-  <function name="tan,tanf,tanl">
+  <function name="tan,std::tan,tanf,tanl">
     <use-retval/>
     <pure/>
     <noreturn>false</noreturn>
@@ -258,7 +257,7 @@
   <!-- double tanh(double x); -->
   <!-- float tanhf(float x); -->
   <!-- long double tanhl(long double x); -->
-  <function name="tanh,tanhf,tanhl">
+  <function name="tanh,std::tanh,tanhf,tanhl">
     <use-retval/>
     <pure/>
     <noreturn>false</noreturn>

test/cfg/std.c

@@ -11,6 +11,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <tgmath.h> // frexp
+#include <wchar.h>
 
 void bufferAccessOutOfBounds(void)
 {
@@ -401,12 +402,14 @@ void uninitvar_asctime(void)
     (void)asctime(tm);
 }
 
+#if 0
 void uninitvar_assert(void)
 {
     int i;
     // cppcheck-suppress uninitvar
     assert(i);
 }
+#endif
 
 void uninitvar_sqrt(void)
 {
@@ -558,6 +561,60 @@ void uninitvar_casinh(void)
     (void)casinhl(ldc);
 }
 
+void uninitvar_wcsftime(wchar_t* ptr)
+{
+    size_t maxsize;
+    wchar_t* format;
+    struct tm* timeptr;
+    // cppcheck-suppress uninitvar
+    (void)wcsftime(ptr, maxsize, format, timeptr);
+}
+
+void uninitvar_tan(void)
+{
+    float f;
+    // cppcheck-suppress uninitvar
+    (void)tanf(f);
+
+    double d;
+    // cppcheck-suppress uninitvar
+    (void)tan(d);
+
+    long double ld;
+    // cppcheck-suppress uninitvar
+    (void)tanl(ld);
+}
+
+void uninitvar_ctan(void)
+{
+    float complex fd;
+    // cppcheck-suppress uninitvars
+    (void)ctanf(fd);
+
+    double complex dc;
+    // cppcheck-suppress uninitvar
+    (void)ctan(dc);
+
+    long double complex ldc;
+    // cppcheck-suppress uninitvar
+    (void)ctanl(ldc);
+}
+
+void uninitvar_tanh(void)
+{
+    float f;
+    // cppcheck-suppress uninitvar
+    (void)tanhf(f);
+
+    double d;
+    // cppcheck-suppress uninitvar
+    (void)tanh(d);
+
+    long double ld;
+    // cppcheck-suppress uninitvar
+    (void)tanhl(ld);
+}
+
 void ignoreretrn(void)
 {
     char szNumbers[] = "2001 60c0c0 -1101110100110100100000 0x6fffff";

test/cfg/std.cpp

@@ -236,3 +236,33 @@ void uninitvar_wcsftime(wchar_t* ptr)
     // cppcheck-suppress uninitvar
     (void)std::wcsftime(ptr, maxsize, format, timeptr);
 }
+
+void uninitvar_tan(void)
+{
+    float f;
+    // cppcheck-suppress uninitvar
+    (void)std::tan(f);
+
+    double d;
+    // cppcheck-suppress uninitvar
+    (void)std::tan(d);
+
+    long double ld;
+    // cppcheck-suppress uninitvar
+    (void)std::tan(ld);
+}
+
+void uninitvar_tanh(void)
+{
+    float f;
+    // cppcheck-suppress uninitvar
+    (void)std::tanh(f);
+
+    double d;
+    // cppcheck-suppress uninitvar
+    (void)std::tanh(d);
+
+    long double ld;
+    // cppcheck-suppress uninitvar
+    (void)std::tanh(ld);
+}

test/testmemleak.cpp

@@ -4172,7 +4172,7 @@ private:
               "  return 0;\n"
               "}"
              );
-        ASSERT_EQUALS("[test.cpp:6]: (error) Memory leak: buff\n", errout.str());
+        ASSERT_EQUALS("[test.cpp:5]: (error) Memory leak: buff\n", errout.str());
     }
 
     void trac2540() {