void*
dln_load(const char *file)
{
rb_loaderror("this executable file can't load extension libraries");
UNREACHABLE;
}
/*
* call-seq:
* require_relative(string) -> true or false
*
* Ruby tries to load the library named _string_ relative to the requiring
* file's path. If the file's path cannot be determined a LoadError is raised.
* If a file is loaded +true+ is returned and false otherwise.
*/
VALUE
rb_f_require_relative(VALUE obj, VALUE fname)
{
VALUE base = rb_current_realfilepath();
if (NIL_P(base)) {
rb_loaderror("cannot infer basepath");
}
base = rb_file_dirname(base);
return rb_require_safe(rb_file_absolute_path(fname, base), rb_safe_level());
}
void*
dln_load(const char *file, bool call_init)
{
if (ruby_is_miniruby) {
rb_raise(rb_eLoadError,
"miniruby can't load C extension bundles due to technical problems");
}
const char *error = 0;
#define DLN_ERROR() (error = dln_strerror(), strcpy(ALLOCA_N(char, strlen(error) + 1), error))
char *buf;
/* Load the file as an object one */
init_funcname(&buf, file);
{
void *handle;
/* Load file */
__mrep__ = NULL;
if ((handle = (void*)dlopen(file, RTLD_LAZY|RTLD_GLOBAL)) == NULL) {
error = dln_strerror();
goto failed;
}
if (call_init) {
void (*init_fct)();
init_fct = (void(*)())dlsym(handle, buf);
if (init_fct == NULL) {
error = DLN_ERROR();
dlclose(handle);
goto failed;
}
/* Call the init code */
(*init_fct)();
}
else {
if (__mrep__ == NULL) {
rb_raise(rb_eLoadError, "Can't load %s: entry point function not located (this can happen when you load twice the same .rbo file with a different case on a case-insensitive filesystem)", file);
}
((IMP)__mrep__)((id)rb_vm_top_self(), 0);
}
return handle;
}
failed:
rb_loaderror("%s - %s", error, file);
return 0; /* dummy return */
}
static rb_encoding *
must_encindex(int index)
{
rb_encoding *enc = rb_enc_from_index(index);
if (!enc) {
rb_raise(rb_eEncodingError, "encoding index out of bound: %d",
index);
}
if (ENC_TO_ENCINDEX(enc) != (int)(index & ENC_INDEX_MASK)) {
rb_raise(rb_eEncodingError, "wrong encoding index %d for %s (expected %d)",
index, rb_enc_name(enc), ENC_TO_ENCINDEX(enc));
}
if (enc_autoload_p(enc) && enc_autoload(enc) == -1) {
rb_loaderror("failed to load encoding (%s)",
rb_enc_name(enc));
}
return enc;
}
void*
dln_load(const char *file)
{
const char *error = 0;
#define DLN_ERROR() (error = dln_strerror(), strcpy(ALLOCA_N(char, strlen(error) + 1), error))
char *buf;
/* Load the file as an object one */
init_funcname(&buf, file);
{
void *handle;
void (*init_fct)();
/* Load file */
if ((handle = (void*)dlopen(file, RTLD_LAZY|RTLD_GLOBAL)) == NULL) {
error = dln_strerror();
goto failed;
}
init_fct = (void(*)())dlsym(handle, buf);
if (init_fct == NULL) {
error = DLN_ERROR();
dlclose(handle);
goto failed;
}
/* Call the init code */
(*init_fct)();
return handle;
}
failed:
rb_loaderror("%s - %s", error, file);
return 0; /* dummy return */
}
void
rb_load_fail(const char *path)
{
rb_loaderror("%s -- %s", strerror(errno), path);
}
