test/cfg: Improved testing of std.cfg regarding uninitialized and nullPointer checks.

cfg/std.cfg

@@ -463,7 +463,7 @@
     </arg>
   </function>
   <!-- int atexit(void (*func)(void)); -->
-  <function name="atexit">
+  <function name="atexit,std::atexit">
     <pure/>
     <noreturn>false</noreturn>
     <leak-ignore/>
@@ -471,22 +471,11 @@
       <not-null/>
     </arg>
   </function>
-  <!-- double atof(const char *s); -->
-  <function name="atof">
-    <use-retval/>
-    <pure/>
-    <noreturn>false</noreturn>
-    <leak-ignore/>
-    <arg nr="1">
-      <not-null/>
-      <not-uninit/>
-      <strz/>
-    </arg>
-  </function>
   <!-- int atoi(const char *s); -->
   <!-- long int atol(const char *s); -->
   <!-- long long int atoll(const char *s); -->
-  <function name="atoi,atol,atoll,std::atoi,std::atol,std::atoll">
+  <!-- double atof(const char *s); -->
+  <function name="atoi,atol,atoll,std::atoi,std::atol,std::atoll,atof,std::atof">
     <use-retval/>
     <pure/>
     <noreturn>false</noreturn>

test/cfg/runtests.sh

@@ -14,9 +14,9 @@ CPPCHECK_OPT='--check-library --enable=information --enable=style --error-exitco
 
 # Compiler settings
 CXX=g++
-CXX_OPT='-fsyntax-only -std=c++0x -Wno-format-security'
+CXX_OPT='-fsyntax-only -std=c++0x -Wno-format-security -Wno-nonnull'
 CC=gcc
-CC_OPT='-Wno-nonnull -Wno-implicit-function-declaration -Wno-deprecated-declarations -Wno-format-security -fsyntax-only'
+CC_OPT='-Wno-nonnull -Wno-implicit-function-declaration -Wno-deprecated-declarations -Wno-format-security -Wno-nonnull -fsyntax-only'
 
 # posix.c
 ${CC} ${CC_OPT} ${DIR}posix.c

test/cfg/std.c

@@ -789,6 +789,13 @@ void uninitvar_atan2(void)
     (void)atan2l(ld1,ld2);
 }
 
+void uninitvar_atof(void)
+{
+    char * c;
+    // cppcheck-suppress uninitvar
+    (void)atof(c);
+}
+
 void uninitvar_atol(void)
 {
     char * c;
@@ -3445,3 +3452,36 @@ void nullPointer_fesetenv(void)
     (void)fesetenv(0);
 }
 
+void nullPointer_fesetexceptflag(int excepts)
+{
+    fexcept_t* flagp = 0;
+    // cppcheck-suppress nullPointer
+    (void)fesetexceptflag(flagp,excepts);
+    // cppcheck-suppress nullPointer
+    (void)fesetexceptflag(0,excepts);
+}
+
+void nullPointer_feupdateenv(void)
+{
+    fenv_t* envp = 0;
+    // cppcheck-suppress nullPointer
+    (void)feupdateenv(envp);
+    // cppcheck-suppress nullPointer
+    (void)feupdateenv(0);
+}
+
+void nullPointer_atexit(void)
+{
+    // cppcheck-suppress nullPointer
+    (void)atexit(0);
+}
+
+void nullPointer_atof(void)
+{
+    char * c = 0;
+    // cppcheck-suppress nullPointer
+    (void)atof(c);
+    // cppcheck-suppress nullPointer
+    (void)atof(0);
+}
+

test/cfg/std.cpp

@@ -350,6 +350,13 @@ void uninitvar_atan2(void)
     (void)std::atan2(ld1,ld2);
 }
 
+void uninitvar_atof(void)
+{
+    char * c;
+    // cppcheck-suppress uninitvar
+    (void)std::atof(c);
+}
+
 void uninitvar_atol(void)
 {
     char * c;
@@ -2799,3 +2806,36 @@ void nullPointer_fesetenv(void)
     // cppcheck-suppress nullPointer
     (void)std::fesetenv(0);
 }
+
+void nullPointer_fesetexceptflag(int excepts)
+{
+    fexcept_t* flagp = 0;
+    // cppcheck-suppress nullPointer
+    (void)std::fesetexceptflag(flagp,excepts);
+    // cppcheck-suppress nullPointer
+    (void)std::fesetexceptflag(0,excepts);
+}
+
+void nullPointer_feupdateenv(void)
+{
+    fenv_t* envp = 0;
+    // cppcheck-suppress nullPointer
+    (void)std::feupdateenv(envp);
+    // cppcheck-suppress nullPointer
+    (void)std::feupdateenv(0);
+}
+
+void nullPointer_atexit(void)
+{
+    // cppcheck-suppress nullPointer
+    (void)std::atexit(0);
+}
+
+void nullPointer_atof(void)
+{
+    char * c = 0;
+    // cppcheck-suppress nullPointer
+    (void)std::atof(c);
+    // cppcheck-suppress nullPointer
+    (void)std::atof(0);
+}