void
ACE_DLL_Handle::get_dll_names (const ACE_TCHAR *dll_name,
ACE_Array<ACE_TString> &try_names)
{
// Build the array of DLL names to try on this platform by applying the
// proper prefixes and/or suffixes to the specified dll_name.
ACE_TString base (dll_name);
ACE_TString base_dir, base_file, base_suffix;
// 1. Separate the dll_name into the dir part and the file part. We
// only decorate the file part to determine the names to try loading.
ACE_TString::size_type pos = base.rfind (ACE_DIRECTORY_SEPARATOR_CHAR);
if (pos != ACE_TString::npos)
{
base_dir = base.substr (0, pos + 1);
base_file = base.substr (pos + 1);
}
else
base_file = base;
// 2. Locate the file suffix, if there is one. Move the '.' and the
// suffix to base_suffix.
if ((pos = base_file.rfind (ACE_TEXT ('.'))) != ACE_TString::npos)
{
base_suffix = base_file.substr (pos);
base_file = base_file.substr (0, pos);
}
// 3. Build the combinations to try for this platform.
// Try these combinations:
// - name with decorator and platform's suffix appended (if not supplied)
// - name with platform's suffix appended (if not supplied)
// - name with platform's dll prefix (if it has one) and suffix
// - name with platform's dll prefix, decorator, and suffix.
// - name as originally given
// We first try to find the file using the decorator so that when a
// filename with and without decorator is used, we get the file with
// the same decorator as the ACE dll has and then as last resort
// the one without. For example with msvc, the debug build has a "d"
// decorator, but the release build has none and we really want to get
// the debug version of the library in a debug application instead
// of the release one.
// So we need room for 5 entries in try_names.
try_names.size (0);
if ((try_names.max_size () - try_names.size ()) < 5)
try_names.max_size (try_names.max_size () + 5);
#if defined (ACE_WIN32) && defined (ACE_LD_DECORATOR_STR) && !defined (ACE_DISABLE_DEBUG_DLL_CHECK)
ACE_TString decorator (ACE_LD_DECORATOR_STR);
#endif
ACE_TString suffix (ACE_DLL_SUFFIX);
ACE_TString prefix (ACE_DLL_PREFIX);
for (size_t i = 0; i < 5 && try_names.size () < try_names.max_size (); ++i)
{
ACE_TString try_this;
size_t j = try_names.size ();
switch (i)
{
case 0: // Name + decorator + suffix
case 1: // Name + suffix
case 2: // Prefix + name + decorator + suffix
case 3: // Prefix + name + suffix
if (
base_suffix.length () > 0
#if !(defined(ACE_WIN32) && defined (ACE_LD_DECORATOR_STR) && !defined (ACE_DISABLE_DEBUG_DLL_CHECK))
|| (i == 1 || i == 3) // No decorator desired; skip
#endif
)
break;
try_this = base_dir;
if (i > 1)
try_this += prefix;
try_this += base_file;
if (base_suffix.length () > 0)
try_this += base_suffix;
else
{
#if defined (ACE_WIN32) && defined (ACE_LD_DECORATOR_STR) && !defined (ACE_DISABLE_DEBUG_DLL_CHECK)
try_this += decorator;
#endif
try_this += suffix;
}
break;
case 4:
try_this = dll_name;
break;
}
if (try_this.length ())
{
try_names.size (j + 1);
try_names.set (try_this, j);
}
}
return;
}
void
ACE_DLL_Handle::get_dll_names (const ACE_TCHAR *dll_name,
ACE_Array<ACE_TString> &try_names)
{
// Build the array of DLL names to try on this platform by applying the
// proper prefixes and/or suffixes to the specified dll_name.
ACE_TString base (dll_name);
ACE_TString base_dir, base_file, base_suffix;
// 1. Separate the dll_name into the dir part and the file part. We
// only decorate the file part to determine the names to try loading.
int pos = base.rfind (ACE_DIRECTORY_SEPARATOR_CHAR);
if (pos != ACE_TString::npos)
{
base_dir = base.substr (0, static_cast<ssize_t>(pos) + 1);
base_file = base.substr (static_cast<size_t>(pos) + 1);
}
else
base_file = base;
// 2. Locate the file suffix, if there is one. Move the '.' and the
// suffix to base_suffix.
if ((pos = base_file.rfind (ACE_LIB_TEXT ('.'))) != ACE_TString::npos)
{
base_suffix = base_file.substr (static_cast<size_t>(pos));
base_file = base_file.substr (0, static_cast<ssize_t>(pos));
}
// 3. Build the combinations to try for this platform.
// Try these combinations:
// - name as originally given
// - name with decorator and platform's suffix appended (if not supplied)
// - name with platform's suffix appended (if not supplied)
// - name with platform's dll prefix (if it has one) and suffix
// - name with platform's dll prefix, decorator, and suffix.
// So we need room for 5 entries in try_names.
try_names.size (0);
if ((try_names.max_size () - try_names.size ()) < 5)
try_names.max_size (try_names.max_size () + 5);
#if defined (ACE_WIN32) && defined (ACE_LD_DECORATOR_STR) && !defined (ACE_DISABLE_DEBUG_DLL_CHECK)
ACE_TString decorator (ACE_LD_DECORATOR_STR);
#endif
ACE_TString suffix (ACE_DLL_SUFFIX);
ACE_TString prefix (ACE_DLL_PREFIX);
for (size_t i = 0; i < 5 && try_names.size () < try_names.max_size (); ++i)
{
ACE_TString try_this;
size_t j = try_names.size ();
switch (i)
{
case 0:
try_this = dll_name;
break;
case 1: // Name + decorator + suffix
case 2: // Name + suffix
case 3: // Prefix + name + decorator + suffix
case 4: // Prefix + name + suffix
if (
base_suffix.length () > 0
#if !(defined(ACE_WIN32) && defined (ACE_LD_DECORATOR_STR) && !defined (ACE_DISABLE_DEBUG_DLL_CHECK))
|| (i == 2 || i == 4) // No decorator desired; skip
#endif
)
break;
try_this = base_dir;
if (i > 2)
try_this += prefix;
try_this += base_file;
if (base_suffix.length () > 0)
try_this += base_suffix;
else
{
#if defined (ACE_WIN32) && defined (ACE_LD_DECORATOR_STR) && !defined (ACE_DISABLE_DEBUG_DLL_CHECK)
try_this += decorator;
#endif
try_this += suffix;
}
break;
}
if (try_this.length ())
{
try_names.size (j + 1);
try_names.set (try_this, j);
}
}
return;
}
