complete largefile support
diff --git a/src/libFLAC/metadata_iterators.c b/src/libFLAC/metadata_iterators.c
index 88d7227..525b759 100644
--- a/src/libFLAC/metadata_iterators.c
+++ b/src/libFLAC/metadata_iterators.c
@@ -29,6 +29,10 @@
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
@@ -37,6 +41,10 @@
#if defined _MSC_VER || defined __MINGW32__
#include <sys/utime.h> /* for utime() */
#include <io.h> /* for chmod() */
+#include <sys/types.h> /* for off_t */
+//@@@ [2G limit] hacks for MSVC6
+#define fseeko fseek
+#define ftello ftell
#else
#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
#include <utime.h> /* for utime() */
@@ -109,10 +117,10 @@
static unsigned seek_to_first_metadata_block_(FILE *f);
static FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append);
-static FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, long fixup_is_last_flag_offset, FLAC__bool backup);
+static FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, off_t fixup_is_last_flag_offset, FLAC__bool backup);
-static FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, unsigned bytes/*@@@ 4G limit*/, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, unsigned bytes/*@@@ 4G limit*/, FLAC__Metadata_SimpleIteratorStatus *status);
+static FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status);
+static FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status);
static FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status);
static FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status);
@@ -288,9 +296,8 @@
FLAC__bool has_stats;
FLAC__bool is_writable;
FLAC__Metadata_SimpleIteratorStatus status;
- /*@@@ 2G limits here because of the offset type: */
- long offset[SIMPLE_ITERATOR_MAX_PUSH_DEPTH];
- long first_offset; /* this is the offset to the STREAMINFO block */
+ off_t offset[SIMPLE_ITERATOR_MAX_PUSH_DEPTH];
+ off_t first_offset; /* this is the offset to the STREAMINFO block */
unsigned depth;
/* this is the metadata block header of the current block we are pointing to: */
FLAC__bool is_last;
@@ -399,7 +406,7 @@
switch(ret) {
case 0:
iterator->depth = 0;
- iterator->first_offset = iterator->offset[iterator->depth] = ftell(iterator->file);
+ iterator->first_offset = iterator->offset[iterator->depth] = ftello(iterator->file);
return read_metadata_block_header_(iterator);
case 1:
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
@@ -474,19 +481,19 @@
if(iterator->is_last)
return false;
- if(0 != fseek(iterator->file, iterator->length, SEEK_CUR)) {
+ if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
- iterator->offset[iterator->depth] = ftell(iterator->file);
+ iterator->offset[iterator->depth] = ftello(iterator->file);
return read_metadata_block_header_(iterator);
}
FLAC_API FLAC__bool FLAC__metadata_simple_iterator_prev(FLAC__Metadata_SimpleIterator *iterator)
{
- long this_offset;
+ off_t this_offset;
FLAC__ASSERT(0 != iterator);
FLAC__ASSERT(0 != iterator->file);
@@ -494,7 +501,7 @@
if(iterator->offset[iterator->depth] == iterator->first_offset)
return false;
- if(0 != fseek(iterator->file, iterator->first_offset, SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->first_offset, SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -502,13 +509,13 @@
if(!read_metadata_block_header_(iterator))
return false;
- /* we ignore any error from ftell() and catch it in fseek() */
- while(ftell(iterator->file) + (long)iterator->length < iterator->offset[iterator->depth]) {
- if(0 != fseek(iterator->file, iterator->length, SEEK_CUR)) {
+ /* we ignore any error from ftello() and catch it in fseeko() */
+ while(ftello(iterator->file) + (off_t)iterator->length < iterator->offset[iterator->depth]) {
+ if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
- this_offset = ftell(iterator->file);
+ this_offset = ftello(iterator->file);
if(!read_metadata_block_header_(iterator))
return false;
}
@@ -543,7 +550,7 @@
}
/* back up to the beginning of the block data to stay consistent */
- if(0 != fseek(iterator->file, iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH, SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH, SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
FLAC__metadata_object_delete(block);
return 0;
@@ -557,7 +564,7 @@
FLAC_API FLAC__bool FLAC__metadata_simple_iterator_set_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding)
{
- FLAC__ASSERT_DECLARATION(long debug_target_offset = iterator->offset[iterator->depth];)
+ FLAC__ASSERT_DECLARATION(off_t debug_target_offset = iterator->offset[iterator->depth];)
FLAC__bool ret;
FLAC__ASSERT(0 != iterator);
@@ -584,13 +591,13 @@
if(use_padding && iterator->length >= FLAC__STREAM_METADATA_HEADER_LENGTH + block->length) {
ret = write_metadata_block_stationary_with_padding_(iterator, block, iterator->length - FLAC__STREAM_METADATA_HEADER_LENGTH - block->length, block->is_last);
FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
else {
ret = rewrite_whole_file_(iterator, block, /*append=*/false);
FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
}
@@ -633,21 +640,21 @@
if(padding_leftover == 0) {
ret = write_metadata_block_stationary_(iterator, block);
FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
else {
FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH);
ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last);
FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
}
else {
ret = rewrite_whole_file_(iterator, block, /*append=*/false);
FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
}
@@ -658,7 +665,7 @@
unsigned padding_leftover = 0;
FLAC__bool padding_is_last = false;
- FLAC__ASSERT_DECLARATION(long debug_target_offset = iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length;)
+ FLAC__ASSERT_DECLARATION(off_t debug_target_offset = iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length;)
FLAC__bool ret;
FLAC__ASSERT(0 != iterator);
@@ -713,28 +720,28 @@
if(padding_leftover == 0) {
ret = write_metadata_block_stationary_(iterator, block);
FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
else {
FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH);
ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last);
FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
}
else {
ret = rewrite_whole_file_(iterator, block, /*append=*/true);
FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftell(iterator->file) == debug_target_offset + (long)FLAC__STREAM_METADATA_HEADER_LENGTH);
+ FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
return ret;
}
}
FLAC_API FLAC__bool FLAC__metadata_simple_iterator_delete_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool use_padding)
{
- FLAC__ASSERT_DECLARATION(long debug_target_offset = iterator->offset[iterator->depth];)
+ FLAC__ASSERT_DECLARATION(off_t debug_target_offset = iterator->offset[iterator->depth];)
FLAC__bool ret;
if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO) {
@@ -756,14 +763,14 @@
FLAC__metadata_object_delete(padding);
if(!FLAC__metadata_simple_iterator_prev(iterator))
return false;
- FLAC__ASSERT(iterator->offset[iterator->depth] + (long)FLAC__STREAM_METADATA_HEADER_LENGTH + (long)iterator->length == debug_target_offset);
- FLAC__ASSERT(ftell(iterator->file) + (long)iterator->length == debug_target_offset);
+ FLAC__ASSERT(iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length == debug_target_offset);
+ FLAC__ASSERT(ftello(iterator->file) + (off_t)iterator->length == debug_target_offset);
return true;
}
else {
ret = rewrite_whole_file_(iterator, 0, /*append=*/false);
- FLAC__ASSERT(iterator->offset[iterator->depth] + (long)FLAC__STREAM_METADATA_HEADER_LENGTH + (long)iterator->length == debug_target_offset);
- FLAC__ASSERT(ftell(iterator->file) + (long)iterator->length == debug_target_offset);
+ FLAC__ASSERT(iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length == debug_target_offset);
+ FLAC__ASSERT(ftello(iterator->file) + (off_t)iterator->length == debug_target_offset);
return ret;
}
}
@@ -788,13 +795,13 @@
FLAC__Metadata_Node *tail;
unsigned nodes;
FLAC__Metadata_ChainStatus status;
- long first_offset, last_offset; /*@@@ 2G limit */
+ off_t first_offset, last_offset;
/*
* This is the length of the chain initially read from the FLAC file.
* it is used to compare against the current length to decide whether
* or not the whole file has to be rewritten.
*/
- unsigned initial_length; /*@@@ 4G limit */
+ off_t initial_length;
};
struct FLAC__Metadata_Iterator {
@@ -913,10 +920,10 @@
node_delete_(node);
}
-static unsigned chain_calculate_length_(FLAC__Metadata_Chain *chain)
+static off_t chain_calculate_length_(FLAC__Metadata_Chain *chain)
{
const FLAC__Metadata_Node *node;
- unsigned length = 0;
+ off_t length = 0;
for(node = chain->head; node; node = node->next)
length += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
return length;
@@ -995,20 +1002,20 @@
/* WATCHOUT: Make sure to also update the logic in
* FLAC__metadata_chain_check_if_tempfile_needed() if the logic here changes.
*/
-static unsigned chain_prepare_for_write_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
+static off_t chain_prepare_for_write_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
{
- unsigned current_length = chain_calculate_length_(chain);
+ off_t current_length = chain_calculate_length_(chain);
if(use_padding) {
/* if the metadata shrank and the last block is padding, we just extend the last padding block */
if(current_length < chain->initial_length && chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
- const unsigned delta = chain->initial_length - current_length;
+ const off_t delta = chain->initial_length - current_length;
chain->tail->data->length += delta;
current_length += delta;
FLAC__ASSERT(current_length == chain->initial_length);
}
/* if the metadata shrank more than 4 bytes then there's room to add another padding block */
- else if(current_length + FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) {
+ else if(current_length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) {
FLAC__StreamMetadata *padding;
FLAC__Metadata_Node *node;
if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) {
@@ -1028,16 +1035,16 @@
}
/* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */
else if(current_length > chain->initial_length) {
- const unsigned delta = current_length - chain->initial_length;
+ const off_t delta = current_length - chain->initial_length;
if(chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
/* if the delta is exactly the size of the last padding block, remove the padding block */
- if(chain->tail->data->length + FLAC__STREAM_METADATA_HEADER_LENGTH == delta) {
+ if((off_t)chain->tail->data->length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta) {
chain_delete_node_(chain, chain->tail);
current_length = chain_calculate_length_(chain);
FLAC__ASSERT(current_length == chain->initial_length);
}
/* if there is at least 'delta' bytes of padding, trim the padding down */
- else if(chain->tail->data->length >= delta) {
+ else if((off_t)chain->tail->data->length >= delta) {
chain->tail->data->length -= delta;
current_length -= delta;
FLAC__ASSERT(current_length == chain->initial_length);
@@ -1080,7 +1087,7 @@
chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
return false;
}
- chain->first_offset = (long)pos;
+ chain->first_offset = (off_t)pos;
}
{
@@ -1125,7 +1132,7 @@
chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
return false;
}
- chain->last_offset = (long)pos;
+ chain->last_offset = (off_t)pos;
}
chain->initial_length = chain_calculate_length_(chain);
@@ -1156,7 +1163,7 @@
}
}
- /*FLAC__ASSERT(fflush(), ftell() == chain->last_offset);*/
+ /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
return true;
@@ -1220,10 +1227,10 @@
return false;
}
}
- /*FLAC__ASSERT(fflush(), ftell() == chain->last_offset);*/
+ /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
/* copy the file postfix (everything after the metadata) */
- if(0 != fseek(f, chain->last_offset, SEEK_SET)) {
+ if(0 != fseeko(f, chain->last_offset, SEEK_SET)) {
cleanup_tempfile_(&tempfile, &tempfilename);
chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
return false;
@@ -1269,7 +1276,7 @@
return false;
}
}
- /*FLAC__ASSERT(fflush(), ftell() == chain->last_offset);*/
+ /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
/* copy the file postfix (everything after the metadata) */
if(0 != seek_cb(handle, chain->last_offset, SEEK_SET)) {
@@ -1371,7 +1378,7 @@
* but doesn't actually alter the chain. Make sure to update the logic
* here if chain_prepare_for_write_() changes.
*/
- const unsigned current_length = chain_calculate_length_(chain);
+ const off_t current_length = chain_calculate_length_(chain);
FLAC__ASSERT(0 != chain);
@@ -1380,17 +1387,17 @@
if(current_length < chain->initial_length && chain->tail->data->type == FLAC__METADATA_TYPE_PADDING)
return false;
/* if the metadata shrank more than 4 bytes then there's room to add another padding block */
- else if(current_length + FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length)
+ else if(current_length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length)
return false;
/* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */
else if(current_length > chain->initial_length) {
- const unsigned delta = current_length - chain->initial_length;
+ const off_t delta = current_length - chain->initial_length;
if(chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
/* if the delta is exactly the size of the last padding block, remove the padding block */
- if(chain->tail->data->length + FLAC__STREAM_METADATA_HEADER_LENGTH == delta)
+ if((off_t)chain->tail->data->length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta)
return false;
/* if there is at least 'delta' bytes of padding, trim the padding down */
- else if(chain->tail->data->length >= delta)
+ else if((off_t)chain->tail->data->length >= delta)
return false;
}
}
@@ -1403,7 +1410,7 @@
{
struct stat stats;
const char *tempfile_path_prefix = 0;
- unsigned current_length;
+ off_t current_length;
FLAC__ASSERT(0 != chain);
@@ -1447,7 +1454,7 @@
FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
{
- unsigned current_length;
+ off_t current_length;
FLAC__ASSERT(0 != chain);
@@ -1479,7 +1486,7 @@
FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks_and_tempfile(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__IOHandle temp_handle, FLAC__IOCallbacks temp_callbacks)
{
- unsigned current_length;
+ off_t current_length;
FLAC__ASSERT(0 != chain);
@@ -2410,7 +2417,7 @@
FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block)
{
- if(0 != fseek(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -2421,7 +2428,7 @@
if(!write_metadata_block_data_(iterator->file, &iterator->status, block))
return false;
- if(0 != fseek(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -2433,7 +2440,7 @@
{
FLAC__StreamMetadata *padding;
- if(0 != fseek(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -2464,7 +2471,7 @@
FLAC__metadata_object_delete(padding);
- if(0 != fseek(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -2477,7 +2484,7 @@
FILE *tempfile;
char *tempfilename;
int fixup_is_last_code = 0; /* 0 => no need to change any is_last flags */
- long fixup_is_last_flag_offset = -1;
+ off_t fixup_is_last_flag_offset = -1;
FLAC__ASSERT(0 != block || append == false);
@@ -2534,7 +2541,7 @@
{
FLAC__ASSERT(iterator->depth > 0);
iterator->depth--;
- if(0 != fseek(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
+ if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -2605,9 +2612,9 @@
FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append)
{
- const long offset_end = append? iterator->offset[iterator->depth] + (long)FLAC__STREAM_METADATA_HEADER_LENGTH + (long)iterator->length : iterator->offset[iterator->depth];
+ const off_t offset_end = append? iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length : iterator->offset[iterator->depth];
- if(0 != fseek(iterator->file, 0, SEEK_SET)) {
+ if(0 != fseeko(iterator->file, 0, SEEK_SET)) {
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
}
@@ -2623,12 +2630,12 @@
return true;
}
-FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, long fixup_is_last_flag_offset, FLAC__bool backup)
+FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, off_t fixup_is_last_flag_offset, FLAC__bool backup)
{
- long save_offset = iterator->offset[iterator->depth]; /*@@@ 2G limit */
+ off_t save_offset = iterator->offset[iterator->depth];
FLAC__ASSERT(0 != *tempfile);
- if(0 != fseek(iterator->file, save_offset + FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length, SEEK_SET)) {
+ if(0 != fseeko(iterator->file, save_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length, SEEK_SET)) {
cleanup_tempfile_(tempfile, tempfilename);
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
@@ -2647,7 +2654,7 @@
*/
/* MAGIC NUMBERs here; we know the is_last flag is the high bit of the byte at this location */
FLAC__byte x;
- if(0 != fseek(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
+ if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
cleanup_tempfile_(tempfile, tempfilename);
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
@@ -2665,7 +2672,7 @@
FLAC__ASSERT(!(x & 0x80));
x |= 0x80;
}
- if(0 != fseek(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
+ if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
cleanup_tempfile_(tempfile, tempfilename);
iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
return false;
@@ -2688,7 +2695,7 @@
if(!simple_iterator_prime_input_(iterator, !iterator->is_writable))
return false;
if(backup) {
- while(iterator->offset[iterator->depth] + (long)FLAC__STREAM_METADATA_HEADER_LENGTH + (long)iterator->length < save_offset)
+ while(iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length < save_offset)
if(!FLAC__metadata_simple_iterator_next(iterator))
return false;
return true;
@@ -2702,10 +2709,10 @@
}
}
-FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, unsigned bytes/*@@@ 4G limit*/, FLAC__Metadata_SimpleIteratorStatus *status)
+FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status)
{
FLAC__byte buffer[8192];
- unsigned n;
+ size_t n;
while(bytes > 0) {
n = min(sizeof(buffer), bytes);
@@ -2723,10 +2730,10 @@
return true;
}
-FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, unsigned bytes/*@@@ 4G limit*/, FLAC__Metadata_SimpleIteratorStatus *status)
+FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status)
{
FLAC__byte buffer[8192];
- unsigned n;
+ size_t n;
while(bytes > 0) {
n = min(sizeof(buffer), bytes);
@@ -2890,20 +2897,14 @@
#endif
}
-/* @@@ WATCHOUT @@@
- * We cast FLAC__int64 to long and use fseek()/ftell() because
- * none of our operations on metadata is ever likely to go past
- * 2 gigabytes.
- */
int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence)
{
- FLAC__ASSERT(offset <= 0x7fffffff);
- return fseek((FILE*)handle, (long)offset, whence);
+ return fseeko((FILE*)handle, (off_t)offset, whence);
}
FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle)
{
- return (long)ftell((FILE*)handle);
+ return ftello((FILE*)handle);
}
FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status)