test/cfg: Improved testing of std.cfg regarding uninitialized variables.

cfg/std.cfg

@@ -3367,7 +3367,7 @@
     </arg>
   </function>
   <!-- size_t wcsrtombs(char *dst, const wchar_t **src, size_t len, mbstate_t *ps); -->
-  <function name="wcsrtombs">
+  <function name="wcsrtombs,std::wcsrtombs">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="2">
@@ -3382,7 +3382,7 @@
     </arg>
   </function>
   <!-- char *strtok(char *s, const char *ct); -->
-  <function name="strtok">
+  <function name="strtok,std::strtok">
     <pure/>
     <noreturn>false</noreturn>
     <leak-ignore/>
@@ -3396,7 +3396,7 @@
   </function>
   <!-- intmax_t strtoimax(const char *s, char **endp, int base); -->
   <!-- uintmax_t strtoumax(const char *s, char **endp, int base); -->
-  <function name="strtoimax,strtoumax">
+  <function name="strtoimax,std::strtoimax,strtoumax,std::strtoumax">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -3410,8 +3410,8 @@
   </function>
   <!-- float strtof(const char *s, char **endp); -->
   <!-- double strtod(const char *s, char **endp); -->
-  <!-- long double strtod(const char *s, char **endp); -->
+  <!-- long double strtold(const char *s, char **endp); -->
-  <function name="strtof,strtod,strtold">
+  <function name="strtof,std::strtof,strtod,std::strtod,strtold,std::strtold">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -3425,7 +3425,7 @@
   <!-- unsigned long strtoul(const char *s, char **endp, int base); -->
   <!-- long long strtoll(const char *s, char **endp, int base); -->
   <!-- unsigned long long strtoull(const char *s, char **endp, int base); -->
-  <function name="strtol,strtoul,strtoll,strtoull">
+  <function name="strtol,std::strtol,strtoul,std::strtoul,strtoll,std::strtoll,strtoull,std::strtoull">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">
@@ -3434,11 +3434,12 @@
       <strz/>
     </arg>
     <arg nr="3">
+      <not-uninit/>
       <valid>0,2:36</valid>
     </arg>
   </function>
   <!-- time_t time(time_t *tp); -->
-  <function name="time">
+  <function name="time,std::time">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <arg nr="1">

gui/librarydialog.cpp

@@ -34,8 +34,7 @@ public:
     FunctionListItem(QListWidget *view,
                      CppcheckLibraryData::Function *function,
                      bool selected)
-        : QListWidgetItem(view), function(function)
+        : QListWidgetItem(view), function(function) {
-    {
         setText(function->name);
         setFlags(flags() | Qt::ItemIsEditable);
         setSelected(selected);
@@ -92,8 +91,8 @@ void LibraryDialog::openCfg()
             ui->functions->clear();
             for (struct CppcheckLibraryData::Function &function : data.functions) {
                 ui->functions->addItem(new FunctionListItem(ui->functions,
-                                                            &function,
+                                       &function,
-                                                            false));
+                                       false));
             }
             ui->sortFunctions->setEnabled(!data.functions.empty());
             ui->filter->setEnabled(!data.functions.empty());
@@ -185,8 +184,8 @@ void LibraryDialog::sortFunctions(bool sort)
         ui->functions->clear();
         for (struct CppcheckLibraryData::Function &function : data.functions) {
             ui->functions->addItem(new FunctionListItem(ui->functions,
-                                                        &function,
+                                   &function,
-                                                        selfunction == &function));
+                                   selfunction == &function));
         }
         if (!ui->filter->text().isEmpty())
             filterFunctions(ui->filter->text());

test/cfg/std.c

@@ -3073,3 +3073,66 @@ void uninivar_wcsrchr(void)
     // cppcheck-suppress uninitvar
     (void)wcsrchr(ws,wc);
 }
+
+void uninivar_wcsrtombs(void)
+{
+    char *dst;
+    const wchar_t * p;;
+    size_t len;
+    mbstate_t *ps;
+    // cppcheck-suppress uninitvar
+    (void)wcsrtombs(dst,&p,len,ps);
+}
+
+void uninivar_strtok(void)
+{
+    char *s;
+    char *ct;
+    // cppcheck-suppress uninitvar
+    (void)strtok(s,ct);
+}
+
+void uninivar_strtoimax(void)
+{
+    const char *s;
+    char **endp;
+    int base;
+    // cppcheck-suppress uninitvar
+    (void)strtoimax(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)strtoumax(s,endp,base);
+}
+
+void uninivar_strtof(void)
+{
+    const char *s;
+    char **endp;
+    // cppcheck-suppress uninitvar
+    (void)strtof(s,endp);
+    // cppcheck-suppress uninitvar
+    (void)strtod(s,endp);
+    // cppcheck-suppress uninitvar
+    (void)strtold(s,endp);
+}
+
+void uninivar_strtol(void)
+{
+    const char *s;
+    char **endp;
+    int base;
+    // cppcheck-suppress uninitvar
+    (void)strtol(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)strtoll(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)strtoul(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)strtoull(s,endp,base);
+}
+
+void uninitvar_time(void)
+{
+    time_t *tp;
+    // cppcheck-suppress uninitvar
+    (void)time(tp);
+}

test/cfg/std.cpp

@@ -20,6 +20,7 @@
 #include <cmath>
 #include <csignal>
 #include <csetjmp>
+#include <cinttypes>
 
 void bufferAccessOutOfBounds(void)
 {
@@ -2383,3 +2384,65 @@ void uninivar_wcsrchr(void)
     (void)std::wcsrchr(ws,wc);
 }
 
+void uninivar_wcsrtombs(void)
+{
+    char *dst;
+    const wchar_t * p;;
+    size_t len;
+    mbstate_t *ps;
+    // cppcheck-suppress uninitvar
+    (void)std::wcsrtombs(dst,&p,len,ps);
+}
+
+void uninivar_strtok(void)
+{
+    char *s;
+    char *ct;
+    // cppcheck-suppress uninitvar
+    (void)std::strtok(s,ct);
+}
+
+void uninivar_strtoimax(void)
+{
+    const char *s;
+    char **endp;
+    int base;
+    // cppcheck-suppress uninitvar
+    (void)std::strtoimax(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)std::strtoumax(s,endp,base);
+}
+
+void uninivar_strtof(void)
+{
+    const char *s;
+    char **endp;
+    // cppcheck-suppress uninitvar
+    (void)std::strtof(s,endp);
+    // cppcheck-suppress uninitvar
+    (void)std::strtod(s,endp);
+    // cppcheck-suppress uninitvar
+    (void)std::strtold(s,endp);
+}
+
+void uninivar_strtol(void)
+{
+    const char *s;
+    char **endp;
+    int base;
+    // cppcheck-suppress uninitvar
+    (void)std::strtol(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)std::strtoll(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)std::strtoul(s,endp,base);
+    // cppcheck-suppress uninitvar
+    (void)std::strtoull(s,endp,base);
+}
+
+void uninitvar_time(void)
+{
+    time_t *tp;
+    // cppcheck-suppress uninitvar
+    (void)std::time(tp);
+}