X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bda041e5616266c47b3e51b773d98cd92c2c1f92..c153cc08ebf622a5ec73be37e4368cdb3c00c24d:/src/common/string.cpp

diff --git a/src/common/string.cpp b/src/common/string.cpp
index 418fc9f077..8f20b9ac13 100644
--- a/src/common/string.cpp
+++ b/src/common/string.cpp
@@ -1675,38 +1675,63 @@ int wxString::Find(const wxChar *pszSub) const
 // conversion to numbers
 // ----------------------------------------------------------------------------
 
-bool wxString::ToLong(long *val, int base) const
-{
-    wxCHECK_MSG( val, false, _T("NULL pointer in wxString::ToLong") );
+// the implementation of all the functions below is exactly the same so factor
+// it out
+template <typename T>
+bool wxStringToIntType(const wxChar *start,
+                       T *val,
+                       int base,
+                       T (*func)(const wxChar *, wxChar **, int))
+{
+    wxCHECK_MSG( val, false, _T("NULL output pointer") );
     wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );
 
-    const wxChar *start = c_str();
+    errno = 0;
+
     wxChar *end;
-    *val = wxStrtol(start, &end, base);
+    *val = (*func)(start, &end, base);
 
     // return true only if scan was stopped by the terminating NUL and if the
     // string was not empty to start with and no under/overflow occurred
     return !*end && (end != start) && (errno != ERANGE);
 }
 
+bool wxString::ToLong(long *val, int base) const
+{
+    return wxStringToIntType(c_str(), val, base, wxStrtol);
+}
+
 bool wxString::ToULong(unsigned long *val, int base) const
 {
-    wxCHECK_MSG( val, false, _T("NULL pointer in wxString::ToULong") );
-    wxASSERT_MSG( !base || (base > 1 && base <= 36), _T("invalid base") );
+    return wxStringToIntType(c_str(), val, base, wxStrtoul);
+}
 
-    const wxChar *start = c_str();
-    wxChar *end;
-    *val = wxStrtoul(start, &end, base);
+bool wxString::ToLongLong(wxLongLong_t *val, int base) const
+{
+#ifdef wxHAS_STRTOLL
+    return wxStringToIntType(c_str(), val, base, wxStrtoll);
+#else
+    // TODO: implement this ourselves
+    return false;
+#endif // wxHAS_STRTOLL
+}
 
-    // return true only if scan was stopped by the terminating NUL and if the
-    // string was not empty to start with and no overflow occurred
-    return !*end && (end != start) && (errno != ERANGE);
+bool wxString::ToULongLong(wxULongLong_t *val, int base) const
+{
+#ifdef wxHAS_STRTOLL
+    return wxStringToIntType(c_str(), val, base, wxStrtoull);
+#else
+    // TODO: implement this ourselves
+    return false;
+#endif
 }
 
 bool wxString::ToDouble(double *val) const
 {
     wxCHECK_MSG( val, false, _T("NULL pointer in wxString::ToDouble") );
 
+    errno = 0;
+
     const wxChar *start = c_str();
     wxChar *end;
     *val = wxStrtod(start, &end);
@@ -1790,9 +1815,11 @@ int wxString::PrintfV(const wxChar* pszFormat, va_list argptr)
             // current size of the buffer
             size *= 2;
         }
-        else if ( len > size )
+        else if ( len >= size )
         {
-            size = len;
+            // some vsnprintf() implementations NUL-terminate the buffer and
+            // some don't in len == size case, to be safe always add 1
+            size = len + 1;
         }
         else // ok, there was enough space
         {