Improved testing of std.cfg regarding uninitialized variables.

cfg/std.cfg

@@ -2451,7 +2451,7 @@
   <!-- double pow(double x, double y); -->
   <!-- float powf(float x, float y);-->
   <!-- long double powl(long double x, long double y); -->
-  <function name="pow,powf,powl">
+  <function name="pow,std::pow,powf,powl">
     <use-retval/>
     <pure/>
     <noreturn>false</noreturn>
@@ -2481,7 +2481,7 @@
   <!-- double remainder(double x, double y); -->
   <!-- float remainderf(float x, float y); -->
   <!-- long double remainderl(long double x, long double y); -->
-  <function name="remainder,remainderf,remainderl">
+  <function name="remainder,std::remainder,remainderf,std::remainderf,remainderl,std::remainderl">
     <use-retval/>
     <pure/>
     <noreturn>false</noreturn>
@@ -2496,7 +2496,7 @@
   <!-- double remquo(double, x, double y, int *quo); -->
   <!-- float remquof(float x, float y, int *quo); -->
   <!-- long double remquol(long double x, long double y, int *quo); -->
-  <function name="remquo,remquof,remquol">
+  <function name="remquo,std::remquo,remquof,std::remquof,remquol,std::remquol">
     <use-retval/>
     <pure/>
     <noreturn>false</noreturn>
@@ -2512,36 +2512,39 @@
     </arg>
   </function>
   <!-- int printf(const char *format, ...); -->
-  <function name="printf">
+  <function name="printf,std::printf">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <formatstr/>
     <arg nr="1">
       <formatstr/>
+      <not-uninit/>
     </arg>
     <arg nr="any">
       <not-uninit/>
     </arg>
   </function>
   <!-- int vprintf(const char *format, va_list arg); -->
-  <function name="vprintf">
+  <function name="vprintf,std::vprintf">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <formatstr/>
     <arg nr="1">
       <formatstr/>
+      <not-uninit/>
     </arg>
     <arg nr="any">
       <not-uninit/>
     </arg>
   </function>
-  <!-- int vprintf(const wchar_t *format, va_list arg); -->
+  <!-- int vwprintf(const wchar_t *format, va_list arg); -->
-  <function name="vwprintf">
+  <function name="vwprintf,std::vwprintf">
     <noreturn>false</noreturn>
     <leak-ignore/>
     <formatstr/>
     <arg nr="1">
       <formatstr/>
+      <not-uninit/>
     </arg>
     <arg nr="any">
       <not-uninit/>

test/cfg/std.c

@@ -2464,3 +2464,96 @@ void uninivar_perror(void)
     // cppcheck-suppress uninitvar
     (void)perror(string);
 }
+
+void uninitvar_pow(void)
+{
+    float f1,f2;
+    // cppcheck-suppress uninitvar
+    (void)powf(f1,f2);
+
+    double d1,d2;
+    // cppcheck-suppress uninitvar
+    (void)pow(d1,d2);
+
+    long double ld1,ld2;
+    // cppcheck-suppress uninitvar
+    (void)powl(ld1,ld2);
+}
+
+void uninitvar_cpow(void)
+{
+    float complex f1,f2;
+    // cppcheck-suppress uninitvar
+    (void)cpowf(f1,f2);
+
+    double complex d1,d2;
+    // cppcheck-suppress uninitvar
+    (void)cpow(d1,d2);
+
+    long double complex ld1,ld2;
+    // cppcheck-suppress uninitvar
+    (void)cpowl(ld1,ld2);
+}
+
+void uninitvar_remainder(void)
+{
+    float f1,f2;
+    // cppcheck-suppress uninitvar
+    (void)remainderf(f1,f2);
+
+    double d1,d2;
+    // cppcheck-suppress uninitvar
+    (void)remainder(d1,d2);
+
+    long double ld1,ld2;
+    // cppcheck-suppress uninitvar
+    (void)remainderl(ld1,ld2);
+}
+
+void uninitvar_remquo(void)
+{
+    float f1,f2;
+    int *i1;
+    // cppcheck-suppress uninitvar
+    (void)remquof(f1,f2,i1);
+
+    double d1,d2;
+    int *i2;
+    // cppcheck-suppress uninitvar
+    (void)remquo(d1,d2,i2);
+
+    long double ld1,ld2;
+    int *i3;
+    // cppcheck-suppress uninitvar
+    (void)remquol(ld1,ld2,i3);
+}
+
+void uninivar_printf(void)
+{
+    char * format;
+    int i;
+    // no warning is expected
+    (void)printf("x");
+    // cppcheck-suppress uninitvar
+    (void)printf(format,i);
+    // cppcheck-suppress uninitvar
+    (void)printf(format,1);
+}
+
+void uninivar_vprintf(void)
+{
+    char * format;
+    va_list arg;
+    // cppcheck-suppress va_list_usedBeforeStarted
+    // cppcheck-suppress uninitvar
+    (void)vprintf(format,arg);
+}
+
+void uninivar_vwprintf(void)
+{
+    wchar_t * format;
+    va_list arg;
+    // cppcheck-suppress va_list_usedBeforeStarted
+    // cppcheck-suppress uninitvar
+    (void)vwprintf(format,arg);
+}

test/cfg/std.cpp

@@ -1801,3 +1801,81 @@ void uninivar_perror(void)
     // cppcheck-suppress uninitvar
     (void)std::perror(string);
 }
+
+void uninitvar_pow(void)
+{
+    float f1,f2;
+    // cppcheck-suppress uninitvar
+    (void)std::pow(f1,f2);
+
+    double d1,d2;
+    // cppcheck-suppress uninitvar
+    (void)std::pow(d1,d2);
+
+    long double ld1,ld2;
+    // cppcheck-suppress uninitvar
+    (void)std::pow(ld1,ld2);
+}
+
+void uninitvar_remainder(void)
+{
+    float f1,f2;
+    // cppcheck-suppress uninitvar
+    (void)std::remainderf(f1,f2);
+
+    double d1,d2;
+    // cppcheck-suppress uninitvar
+    (void)std::remainder(d1,d2);
+
+    long double ld1,ld2;
+    // cppcheck-suppress uninitvar
+    (void)std::remainderl(ld1,ld2);
+}
+
+void uninitvar_remquo(void)
+{
+    float f1,f2;
+    int *i1;
+    // cppcheck-suppress uninitvar
+    (void)std::remquof(f1,f2,i1);
+
+    double d1,d2;
+    int *i2;
+    // cppcheck-suppress uninitvar
+    (void)std::remquo(d1,d2,i2);
+
+    long double ld1,ld2;
+    int *i3;
+    // cppcheck-suppress uninitvar
+    (void)std::remquol(ld1,ld2,i3);
+}
+
+void uninivar_printf(void)
+{
+    char * format;
+    int i;
+    // no warning is expected
+    (void)std::printf("x");
+    // cppcheck-suppress uninitvar
+    (void)std::printf(format,i);
+    // cppcheck-suppress uninitvar
+    (void)std::printf(format,1);
+}
+
+void uninivar_vprintf(void)
+{
+    char * format;
+    va_list arg;
+    // cppcheck-suppress va_list_usedBeforeStarted
+    // cppcheck-suppress uninitvar
+    (void)std::vprintf(format,arg);
+}
+
+void uninivar_vwprintf(void)
+{
+    wchar_t * format;
+    va_list arg;
+    // cppcheck-suppress va_list_usedBeforeStarted
+    // cppcheck-suppress uninitvar
+    (void)std::vwprintf(format,arg);
+}