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* transcode.c: rename my_transcoding to tc and my_transcoder to tr.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-08-10 02:33:05 +00:00
parent e748ed513d
commit 2ce7aeca6e
2 changed files with 100 additions and 96 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Sun Aug 10 11:30:48 2008 Tanaka Akira <akr@fsij.org>
* transcode.c: rename my_transcoding to tc and my_transcoder to tr.
Sun Aug 10 11:15:55 2008 Tanaka Akira <akr@fsij.org> Sun Aug 10 11:15:55 2008 Tanaka Akira <akr@fsij.org>
* transcode_data.h (rb_transcoding): add feedlen field. * transcode_data.h (rb_transcoding): add feedlen field.

192
transcode.c
View File

@ -327,22 +327,22 @@ output_replacement_character(unsigned char **out_pp, rb_encoding *enc)
*/ */
static const unsigned char * static const unsigned char *
transcode_char_start(rb_transcoding *my_transcoding, transcode_char_start(rb_transcoding *tc,
const unsigned char *in_start, const unsigned char *in_start,
const unsigned char *inchar_start, const unsigned char *inchar_start,
const unsigned char *in_p, const unsigned char *in_p,
size_t *char_len_ptr) size_t *char_len_ptr)
{ {
const unsigned char *ptr; const unsigned char *ptr;
if (inchar_start - in_start < my_transcoding->readlen) { if (inchar_start - in_start < tc->readlen) {
MEMCPY(TRANSCODING_READBUF(my_transcoding) + my_transcoding->readlen, MEMCPY(TRANSCODING_READBUF(tc) + tc->readlen,
inchar_start, unsigned char, in_p - inchar_start); inchar_start, unsigned char, in_p - inchar_start);
ptr = TRANSCODING_READBUF(my_transcoding); ptr = TRANSCODING_READBUF(tc);
} }
else { else {
ptr = inchar_start - my_transcoding->readlen; ptr = inchar_start - tc->readlen;
} }
*char_len_ptr = my_transcoding->readlen + (in_p - inchar_start); *char_len_ptr = tc->readlen + (in_p - inchar_start);
return ptr; return ptr;
} }
@ -357,12 +357,12 @@ typedef enum {
static transcode_result_t static transcode_result_t
transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos, transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
const unsigned char *in_stop, unsigned char *out_stop, const unsigned char *in_stop, unsigned char *out_stop,
rb_transcoding *my_transcoding, rb_transcoding *tc,
const int opt) const int opt)
{ {
const rb_transcoder *my_transcoder = my_transcoding->transcoder; const rb_transcoder *tr = tc->transcoder;
int unitlen = my_transcoder->input_unit_length; int unitlen = tr->input_unit_length;
int feedlen = 0; int feedlen = 0;
const unsigned char *inchar_start; const unsigned char *inchar_start;
@ -389,31 +389,31 @@ transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
in_p = inchar_start = *in_pos; in_p = inchar_start = *in_pos;
out_p = *out_pos; out_p = *out_pos;
next_table = my_transcoding->next_table; next_table = tc->next_table;
next_info = my_transcoding->next_info; next_info = tc->next_info;
next_byte = my_transcoding->next_byte; next_byte = tc->next_byte;
#define SUSPEND(ret, num) \ #define SUSPEND(ret, num) \
do { \ do { \
my_transcoding->resume_position = (num); \ tc->resume_position = (num); \
if (0 < in_p - inchar_start) \ if (0 < in_p - inchar_start) \
MEMMOVE(TRANSCODING_READBUF(my_transcoding)+my_transcoding->readlen, \ MEMMOVE(TRANSCODING_READBUF(tc)+tc->readlen, \
inchar_start, unsigned char, in_p - inchar_start); \ inchar_start, unsigned char, in_p - inchar_start); \
*in_pos = in_p; \ *in_pos = in_p; \
*out_pos = out_p; \ *out_pos = out_p; \
my_transcoding->readlen += in_p - inchar_start; \ tc->readlen += in_p - inchar_start; \
if (feedlen) { \ if (feedlen) { \
my_transcoding->readlen -= feedlen; \ tc->readlen -= feedlen; \
my_transcoding->feedlen = feedlen; \ tc->feedlen = feedlen; \
} \ } \
my_transcoding->next_table = next_table; \ tc->next_table = next_table; \
my_transcoding->next_info = next_info; \ tc->next_info = next_info; \
my_transcoding->next_byte = next_byte; \ tc->next_byte = next_byte; \
return ret; \ return ret; \
resume_label ## num:; \ resume_label ## num:; \
} while (0) } while (0)
switch (my_transcoding->resume_position) { switch (tc->resume_position) {
case 0: break; case 0: break;
case 1: goto resume_label1; case 1: goto resume_label1;
case 2: goto resume_label2; case 2: goto resume_label2;
@ -439,9 +439,9 @@ transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
continue; continue;
} }
my_transcoding->readlen = 0; tc->readlen = 0;
inchar_start = in_p; inchar_start = in_p;
next_table = my_transcoder->conv_tree_start; next_table = tr->conv_tree_start;
next_byte = (unsigned char)*in_p++; next_byte = (unsigned char)*in_p++;
follow_byte: follow_byte:
if (next_byte < next_table->base[0] || next_table->base[1] < next_byte) if (next_byte < next_table->base[0] || next_table->base[1] < next_byte)
@ -491,48 +491,48 @@ transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
*out_p++ = getBT3(next_info); *out_p++ = getBT3(next_info);
continue; continue;
case FUNii: case FUNii:
next_info = (VALUE)(*my_transcoder->func_ii)(my_transcoding, next_info); next_info = (VALUE)(*tr->func_ii)(tc, next_info);
goto follow_info; goto follow_info;
case FUNsi: case FUNsi:
{ {
const unsigned char *char_start; const unsigned char *char_start;
size_t char_len; size_t char_len;
char_start = transcode_char_start(my_transcoding, *in_pos, inchar_start, in_p, &char_len); char_start = transcode_char_start(tc, *in_pos, inchar_start, in_p, &char_len);
next_info = (VALUE)(*my_transcoder->func_si)(my_transcoding, char_start, (size_t)char_len); next_info = (VALUE)(*tr->func_si)(tc, char_start, (size_t)char_len);
break; break;
} }
case FUNio: case FUNio:
while (out_stop - out_p < my_transcoder->max_output) { SUSPEND(transcode_obuf_full, 13); } while (out_stop - out_p < tr->max_output) { SUSPEND(transcode_obuf_full, 13); }
out_p += (VALUE)(*my_transcoder->func_io)(my_transcoding, next_info, out_p); out_p += (VALUE)(*tr->func_io)(tc, next_info, out_p);
break; break;
case FUNso: case FUNso:
{ {
const unsigned char *char_start; const unsigned char *char_start;
size_t char_len; size_t char_len;
while (out_stop - out_p < my_transcoder->max_output) { SUSPEND(transcode_obuf_full, 14); } while (out_stop - out_p < tr->max_output) { SUSPEND(transcode_obuf_full, 14); }
char_start = transcode_char_start(my_transcoding, *in_pos, inchar_start, in_p, &char_len); char_start = transcode_char_start(tc, *in_pos, inchar_start, in_p, &char_len);
out_p += (VALUE)(*my_transcoder->func_so)(my_transcoding, char_start, (size_t)char_len, out_p); out_p += (VALUE)(*tr->func_so)(tc, char_start, (size_t)char_len, out_p);
break; break;
} }
case INVALID: case INVALID:
{ {
if (my_transcoding->readlen + (in_p - inchar_start) <= unitlen) { if (tc->readlen + (in_p - inchar_start) <= unitlen) {
while ((opt & PARTIAL_INPUT) && my_transcoding->readlen + (in_stop - inchar_start) < unitlen) { while ((opt & PARTIAL_INPUT) && tc->readlen + (in_stop - inchar_start) < unitlen) {
in_p = in_stop; in_p = in_stop;
SUSPEND(transcode_ibuf_empty, 8); SUSPEND(transcode_ibuf_empty, 8);
} }
if (my_transcoding->readlen + (in_stop - inchar_start) <= unitlen) { if (tc->readlen + (in_stop - inchar_start) <= unitlen) {
in_p = in_stop; in_p = in_stop;
} }
else { else {
in_p = inchar_start + (unitlen - my_transcoding->readlen); in_p = inchar_start + (unitlen - tc->readlen);
} }
} }
else { else {
int found_len; /* including the last byte which cuases invalid */ int found_len; /* including the last byte which cuases invalid */
int invalid_len; int invalid_len;
int step; int step;
found_len = my_transcoding->readlen + (in_p - inchar_start); found_len = tc->readlen + (in_p - inchar_start);
invalid_len = ((found_len - 1) / unitlen) * unitlen; invalid_len = ((found_len - 1) / unitlen) * unitlen;
step = invalid_len - found_len; step = invalid_len - found_len;
if (step < -1) { if (step < -1) {
@ -564,11 +564,11 @@ transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
} }
/* cleanup */ /* cleanup */
if (my_transcoder->finish_func) { if (tr->finish_func) {
while (out_stop - out_p < my_transcoder->max_output) { while (out_stop - out_p < tr->max_output) {
SUSPEND(transcode_obuf_full, 4); SUSPEND(transcode_obuf_full, 4);
} }
out_p += my_transcoder->finish_func(my_transcoding, out_p); out_p += tr->finish_func(tc, out_p);
} }
while (1) while (1)
SUSPEND(transcode_finished, 6); SUSPEND(transcode_finished, 6);
@ -578,40 +578,40 @@ transcode_restartable0(const unsigned char **in_pos, unsigned char **out_pos,
static transcode_result_t static transcode_result_t
transcode_restartable(const unsigned char **in_pos, unsigned char **out_pos, transcode_restartable(const unsigned char **in_pos, unsigned char **out_pos,
const unsigned char *in_stop, unsigned char *out_stop, const unsigned char *in_stop, unsigned char *out_stop,
rb_transcoding *my_transcoding, rb_transcoding *tc,
const int opt) const int opt)
{ {
if (my_transcoding->feedlen) { if (tc->feedlen) {
unsigned char *feed_buf = ALLOCA_N(unsigned char, my_transcoding->feedlen); unsigned char *feed_buf = ALLOCA_N(unsigned char, tc->feedlen);
const unsigned char *feed_pos = feed_buf; const unsigned char *feed_pos = feed_buf;
const unsigned char *feed_stop = feed_buf + my_transcoding->feedlen; const unsigned char *feed_stop = feed_buf + tc->feedlen;
transcode_result_t res; transcode_result_t res;
MEMCPY(feed_buf, TRANSCODING_READBUF(my_transcoding) + my_transcoding->readlen, MEMCPY(feed_buf, TRANSCODING_READBUF(tc) + tc->readlen,
unsigned char, my_transcoding->feedlen); unsigned char, tc->feedlen);
my_transcoding->feedlen = 0; tc->feedlen = 0;
res = transcode_restartable0(&feed_pos, out_pos, feed_stop, out_stop, my_transcoding, opt); res = transcode_restartable0(&feed_pos, out_pos, feed_stop, out_stop, tc, opt);
if (res != transcode_ibuf_empty) { if (res != transcode_ibuf_empty) {
MEMCPY(TRANSCODING_READBUF(my_transcoding) + my_transcoding->readlen + my_transcoding->feedlen, MEMCPY(TRANSCODING_READBUF(tc) + tc->readlen + tc->feedlen,
feed_pos, unsigned char, feed_stop - feed_pos); feed_pos, unsigned char, feed_stop - feed_pos);
my_transcoding->feedlen += feed_stop - feed_pos; tc->feedlen += feed_stop - feed_pos;
return res; return res;
} }
} }
return transcode_restartable0(in_pos, out_pos, in_stop, out_stop, my_transcoding, opt); return transcode_restartable0(in_pos, out_pos, in_stop, out_stop, tc, opt);
} }
static void static void
more_output_buffer( more_output_buffer(
VALUE destination, VALUE destination,
unsigned char *(*resize_destination)(VALUE, int, int), unsigned char *(*resize_destination)(VALUE, int, int),
rb_transcoding *my_transcoding, rb_transcoding *tc,
unsigned char **out_start_ptr, unsigned char **out_start_ptr,
unsigned char **out_pos, unsigned char **out_pos,
unsigned char **out_stop_ptr) unsigned char **out_stop_ptr)
{ {
size_t len = (*out_pos - *out_start_ptr); size_t len = (*out_pos - *out_start_ptr);
size_t new_len = (len + my_transcoding->transcoder->max_output) * 2; size_t new_len = (len + tc->transcoder->max_output) * 2;
*out_start_ptr = resize_destination(destination, len, new_len); *out_start_ptr = resize_destination(destination, len, new_len);
*out_pos = *out_start_ptr + len; *out_pos = *out_start_ptr + len;
*out_stop_ptr = *out_start_ptr + new_len; *out_stop_ptr = *out_start_ptr + new_len;
@ -623,28 +623,28 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
const unsigned char *in_stop, unsigned char *out_stop, const unsigned char *in_stop, unsigned char *out_stop,
VALUE destination, VALUE destination,
unsigned char *(*resize_destination)(VALUE, int, int), unsigned char *(*resize_destination)(VALUE, int, int),
rb_transcoding *my_transcoding, rb_transcoding *tc,
const int opt) const int opt)
{ {
const rb_transcoder *my_transcoder = my_transcoding->transcoder; const rb_transcoder *tr = tc->transcoder;
transcode_result_t ret; transcode_result_t ret;
unsigned char *out_start = *out_pos; unsigned char *out_start = *out_pos;
my_transcoding->resume_position = 0; tc->resume_position = 0;
my_transcoding->readlen = 0; tc->readlen = 0;
my_transcoding->feedlen = 0; tc->feedlen = 0;
if (sizeof(my_transcoding->readbuf.ary) < my_transcoder->max_input) { if (sizeof(tc->readbuf.ary) < tr->max_input) {
my_transcoding->readbuf.ptr = xmalloc(my_transcoder->max_input); tc->readbuf.ptr = xmalloc(tr->max_input);
} }
#define CLEANUP \ #define CLEANUP \
do { \ do { \
if (sizeof(my_transcoding->readbuf.ary) < my_transcoder->max_input) \ if (sizeof(tc->readbuf.ary) < tr->max_input) \
xfree(my_transcoding->readbuf.ptr); \ xfree(tc->readbuf.ptr); \
} while(0) } while(0)
resume: resume:
ret = transcode_restartable(in_pos, out_pos, in_stop, out_stop, my_transcoding, opt); ret = transcode_restartable(in_pos, out_pos, in_stop, out_stop, tc, opt);
if (ret == transcode_invalid_input) { if (ret == transcode_invalid_input) {
/* deal with invalid byte sequence */ /* deal with invalid byte sequence */
/* todo: add more alternative behaviors */ /* todo: add more alternative behaviors */
@ -652,9 +652,9 @@ resume:
goto resume; goto resume;
} }
else if (opt&INVALID_REPLACE) { else if (opt&INVALID_REPLACE) {
if (out_stop - *out_pos < my_transcoder->max_output) if (out_stop - *out_pos < tr->max_output)
more_output_buffer(destination, resize_destination, my_transcoding, &out_start, out_pos, &out_stop); more_output_buffer(destination, resize_destination, tc, &out_start, out_pos, &out_stop);
output_replacement_character(out_pos, rb_enc_find(my_transcoder->to_encoding)); output_replacement_character(out_pos, rb_enc_find(tr->to_encoding));
goto resume; goto resume;
} }
CLEANUP; CLEANUP;
@ -668,16 +668,16 @@ resume:
goto resume; goto resume;
} }
else if (opt&UNDEF_REPLACE) { else if (opt&UNDEF_REPLACE) {
if (out_stop - *out_pos < my_transcoder->max_output) if (out_stop - *out_pos < tr->max_output)
more_output_buffer(destination, resize_destination, my_transcoding, &out_start, out_pos, &out_stop); more_output_buffer(destination, resize_destination, tc, &out_start, out_pos, &out_stop);
output_replacement_character(out_pos, rb_enc_find(my_transcoder->to_encoding)); output_replacement_character(out_pos, rb_enc_find(tr->to_encoding));
goto resume; goto resume;
} }
CLEANUP; CLEANUP;
rb_raise(TRANSCODE_ERROR, "conversion undefined for byte sequence (maybe invalid byte sequence)"); rb_raise(TRANSCODE_ERROR, "conversion undefined for byte sequence (maybe invalid byte sequence)");
} }
if (ret == transcode_obuf_full) { if (ret == transcode_obuf_full) {
more_output_buffer(destination, resize_destination, my_transcoding, &out_start, out_pos, &out_stop); more_output_buffer(destination, resize_destination, tc, &out_start, out_pos, &out_stop);
goto resume; goto resume;
} }
@ -692,25 +692,25 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
const unsigned char *in_stop, unsigned char *out_stop, const unsigned char *in_stop, unsigned char *out_stop,
VALUE destination, VALUE destination,
unsigned char *(*resize_destination)(VALUE, int, int), unsigned char *(*resize_destination)(VALUE, int, int),
rb_transcoding *my_transcoding, rb_transcoding *tc,
const int opt) const int opt)
{ {
const rb_transcoder *my_transcoder = my_transcoding->transcoder; const rb_transcoder *tr = tc->transcoder;
transcode_result_t ret; transcode_result_t ret;
unsigned char *out_start = *out_pos; unsigned char *out_start = *out_pos;
const unsigned char *ptr; const unsigned char *ptr;
my_transcoding->resume_position = 0; tc->resume_position = 0;
my_transcoding->readlen = 0; tc->readlen = 0;
my_transcoding->feedlen = 0; tc->feedlen = 0;
if (sizeof(my_transcoding->readbuf.ary) < my_transcoder->max_input) { if (sizeof(tc->readbuf.ary) < tr->max_input) {
my_transcoding->readbuf.ptr = xmalloc(my_transcoder->max_input); tc->readbuf.ptr = xmalloc(tr->max_input);
} }
#define CLEANUP \ #define CLEANUP \
do { \ do { \
if (sizeof(my_transcoding->readbuf.ary) < my_transcoder->max_input) \ if (sizeof(tc->readbuf.ary) < tr->max_input) \
xfree(my_transcoding->readbuf.ptr); \ xfree(tc->readbuf.ptr); \
} while(0) } while(0)
ret = transcode_ibuf_empty; ret = transcode_ibuf_empty;
@ -722,14 +722,14 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
if (ret == transcode_ibuf_empty) { if (ret == transcode_ibuf_empty) {
if (ptr < in_stop) { if (ptr < in_stop) {
input_byte = *ptr; input_byte = *ptr;
ret = transcode_restartable(&p, out_pos, p+1, out_stop, my_transcoding, opt|PARTIAL_INPUT); ret = transcode_restartable(&p, out_pos, p+1, out_stop, tc, opt|PARTIAL_INPUT);
} }
else { else {
ret = transcode_restartable(NULL, out_pos, NULL, out_stop, my_transcoding, opt); ret = transcode_restartable(NULL, out_pos, NULL, out_stop, tc, opt);
} }
} }
else { else {
ret = transcode_restartable(NULL, out_pos, NULL, out_stop, my_transcoding, opt|PARTIAL_INPUT); ret = transcode_restartable(NULL, out_pos, NULL, out_stop, tc, opt|PARTIAL_INPUT);
} }
if (&input_byte != p) if (&input_byte != p)
ptr += p - &input_byte; ptr += p - &input_byte;
@ -741,9 +741,9 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
break; break;
} }
else if (opt&INVALID_REPLACE) { else if (opt&INVALID_REPLACE) {
if (out_stop - *out_pos < my_transcoder->max_output) if (out_stop - *out_pos < tr->max_output)
more_output_buffer(destination, resize_destination, my_transcoding, &out_start, out_pos, &out_stop); more_output_buffer(destination, resize_destination, tc, &out_start, out_pos, &out_stop);
output_replacement_character(out_pos, rb_enc_find(my_transcoder->to_encoding)); output_replacement_character(out_pos, rb_enc_find(tr->to_encoding));
break; break;
} }
CLEANUP; CLEANUP;
@ -758,9 +758,9 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
break; break;
} }
else if (opt&UNDEF_REPLACE) { else if (opt&UNDEF_REPLACE) {
if (out_stop - *out_pos < my_transcoder->max_output) if (out_stop - *out_pos < tr->max_output)
more_output_buffer(destination, resize_destination, my_transcoding, &out_start, out_pos, &out_stop); more_output_buffer(destination, resize_destination, tc, &out_start, out_pos, &out_stop);
output_replacement_character(out_pos, rb_enc_find(my_transcoder->to_encoding)); output_replacement_character(out_pos, rb_enc_find(tr->to_encoding));
break; break;
} }
CLEANUP; CLEANUP;
@ -768,7 +768,7 @@ transcode_loop(const unsigned char **in_pos, unsigned char **out_pos,
break; break;
case transcode_obuf_full: case transcode_obuf_full:
more_output_buffer(destination, resize_destination, my_transcoding, &out_start, out_pos, &out_stop); more_output_buffer(destination, resize_destination, tc, &out_start, out_pos, &out_stop);
break; break;
case transcode_ibuf_empty: case transcode_ibuf_empty:
@ -809,8 +809,8 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
const char *from_e, *to_e; const char *from_e, *to_e;
int from_encidx, to_encidx; int from_encidx, to_encidx;
VALUE from_encval, to_encval; VALUE from_encval, to_encval;
const rb_transcoder *my_transcoder; const rb_transcoder *tr;
rb_transcoding my_transcoding; rb_transcoding tc;
int final_encoding = 0; int final_encoding = 0;
VALUE opt; VALUE opt;
int options = 0; int options = 0;
@ -886,12 +886,12 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
do { /* loop for multistep transcoding */ do { /* loop for multistep transcoding */
/* later, maybe use smaller intermediate strings for very long strings */ /* later, maybe use smaller intermediate strings for very long strings */
if (!(my_transcoder = transcode_dispatch(from_e, to_e))) { if (!(tr = transcode_dispatch(from_e, to_e))) {
rb_raise(rb_eArgError, "transcoding not supported (from %s to %s)", from_e, to_e); rb_raise(rb_eArgError, "transcoding not supported (from %s to %s)", from_e, to_e);
} }
my_transcoding.transcoder = my_transcoder; tc.transcoder = tr;
memset(my_transcoding.stateful, 0, sizeof(my_transcoding.stateful)); memset(tc.stateful, 0, sizeof(tc.stateful));
fromp = sp = (unsigned char *)RSTRING_PTR(str); fromp = sp = (unsigned char *)RSTRING_PTR(str);
slen = RSTRING_LEN(str); slen = RSTRING_LEN(str);
@ -899,7 +899,7 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
dest = rb_str_tmp_new(blen); dest = rb_str_tmp_new(blen);
bp = (unsigned char *)RSTRING_PTR(dest); bp = (unsigned char *)RSTRING_PTR(dest);
transcode_loop(&fromp, &bp, (sp+slen), (bp+blen), dest, str_transcoding_resize, &my_transcoding, options); transcode_loop(&fromp, &bp, (sp+slen), (bp+blen), dest, str_transcoding_resize, &tc, options);
if (fromp != sp+slen) { if (fromp != sp+slen) {
rb_raise(rb_eArgError, "not fully converted, %"PRIdPTRDIFF" bytes left", sp+slen-fromp); rb_raise(rb_eArgError, "not fully converted, %"PRIdPTRDIFF" bytes left", sp+slen-fromp);
} }
@ -907,11 +907,11 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
*bp = '\0'; *bp = '\0';
rb_str_set_len(dest, bp - buf); rb_str_set_len(dest, bp - buf);
if (encoding_equal(my_transcoder->to_encoding, to_e)) { if (encoding_equal(tr->to_encoding, to_e)) {
final_encoding = 1; final_encoding = 1;
} }
else { else {
from_e = my_transcoder->to_encoding; from_e = tr->to_encoding;
str = dest; str = dest;
} }
} while (!final_encoding); } while (!final_encoding);