/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005,2006 Josh Coalson
+ * Copyright (C) 2001,2002,2003,2004,2005,2006,2007,2008,2009 Josh Coalson
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#endif
#include <io.h> /* for chmod() */
#include <sys/types.h> /* for off_t */
-#if _MSC_VER <= 1200 || defined __BORLANDC__ /* @@@ [2G limit] */
-#define fseeko fseek
-#define ftello ftell
-#endif
#else
#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
#include <utime.h> /* for utime() */
#include "FLAC/assert.h"
#include "FLAC/stream_decoder.h"
-
-#ifdef max
-#undef max
-#endif
-#define max(a,b) ((a)>(b)?(a):(b))
-#ifdef min
-#undef min
-#endif
-#define min(a,b) ((a)<(b)?(a):(b))
-
+#include "share/alloc.h"
+#include "share/compat.h"
+#include "private/macros.h"
/****************************************************************************
*
};
-FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new()
+FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new(void)
{
- FLAC__Metadata_SimpleIterator *iterator = (FLAC__Metadata_SimpleIterator*)calloc(1, sizeof(FLAC__Metadata_SimpleIterator));
+ FLAC__Metadata_SimpleIterator *iterator = calloc(1, sizeof(FLAC__Metadata_SimpleIterator));
if(0 != iterator) {
iterator->file = 0;
return true;
}
+/*@@@@add to tests*/
+FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_last(const FLAC__Metadata_SimpleIterator *iterator)
+{
+ FLAC__ASSERT(0 != iterator);
+ FLAC__ASSERT(0 != iterator->file);
+
+ return iterator->is_last;
+}
+
+/*@@@@add to tests*/
+FLAC_API off_t FLAC__metadata_simple_iterator_get_block_offset(const FLAC__Metadata_SimpleIterator *iterator)
+{
+ FLAC__ASSERT(0 != iterator);
+ FLAC__ASSERT(0 != iterator->file);
+
+ return iterator->offset[iterator->depth];
+}
+
FLAC_API FLAC__MetadataType FLAC__metadata_simple_iterator_get_block_type(const FLAC__Metadata_SimpleIterator *iterator)
{
FLAC__ASSERT(0 != iterator);
return iterator->type;
}
+/*@@@@add to tests*/
+FLAC_API unsigned FLAC__metadata_simple_iterator_get_block_length(const FLAC__Metadata_SimpleIterator *iterator)
+{
+ FLAC__ASSERT(0 != iterator);
+ FLAC__ASSERT(0 != iterator->file);
+
+ return iterator->length;
+}
+
+/*@@@@add to tests*/
+FLAC_API FLAC__bool FLAC__metadata_simple_iterator_get_application_id(FLAC__Metadata_SimpleIterator *iterator, FLAC__byte *id)
+{
+ const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
+
+ FLAC__ASSERT(0 != iterator);
+ FLAC__ASSERT(0 != iterator->file);
+ FLAC__ASSERT(0 != id);
+
+ if(iterator->type != FLAC__METADATA_TYPE_APPLICATION) {
+ iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
+ return false;
+ }
+
+ if(fread(id, 1, id_bytes, iterator->file) != id_bytes) {
+ iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ return false;
+ }
+
+ /* back up */
+ if(0 != fseeko(iterator->file, -((int)id_bytes), SEEK_CUR)) {
+ iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
+ return false;
+ }
+
+ return true;
+}
+
FLAC_API FLAC__StreamMetadata *FLAC__metadata_simple_iterator_get_block(FLAC__Metadata_SimpleIterator *iterator)
{
FLAC__StreamMetadata *block = FLAC__metadata_object_new(iterator->type);
};
-static FLAC__Metadata_Node *node_new_()
+static FLAC__Metadata_Node *node_new_(void)
{
- return (FLAC__Metadata_Node*)calloc(1, sizeof(FLAC__Metadata_Node));
+ return calloc(1, sizeof(FLAC__Metadata_Node));
}
static void node_delete_(FLAC__Metadata_Node *node)
}
if(!read_metadata_block_header_cb_(handle, read_cb, &is_last, &type, &length)) {
+ node_delete_(node);
chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
return false;
}
return true;
}
-FLAC__StreamDecoderReadStatus chain_read_ogg_read_cb_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
+static FLAC__StreamDecoderReadStatus chain_read_ogg_read_cb_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
{
FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
(void)decoder;
}
if(!open_tempfile_(chain->filename, tempfile_path_prefix, &tempfile, &tempfilename, &status)) {
chain->status = get_equivalent_status_(status);
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
+ goto err;
}
if(!copy_n_bytes_from_file_(f, tempfile, chain->first_offset, &status)) {
chain->status = get_equivalent_status_(status);
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
+ goto err;
}
/* write the metadata */
for(node = chain->head; node; node = node->next) {
if(!write_metadata_block_header_(tempfile, &status, node->data)) {
chain->status = get_equivalent_status_(status);
- return false;
+ goto err;
}
if(!write_metadata_block_data_(tempfile, &status, node->data)) {
chain->status = get_equivalent_status_(status);
- return false;
+ goto err;
}
}
/*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
/* copy the file postfix (everything after the metadata) */
if(0 != fseeko(f, chain->last_offset, SEEK_SET)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
+ goto err;
}
if(!copy_remaining_bytes_from_file_(f, tempfile, &status)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
chain->status = get_equivalent_status_(status);
- return false;
+ goto err;
}
/* move the tempfile on top of the original */
return false;
return true;
+
+err:
+ (void)fclose(f);
+ cleanup_tempfile_(&tempfile, &tempfilename);
+ return false;
}
/* assumes 'handle' is already at beginning of file */
return true;
}
-FLAC_API FLAC__Metadata_Chain *FLAC__metadata_chain_new()
+FLAC_API FLAC__Metadata_Chain *FLAC__metadata_chain_new(void)
{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)calloc(1, sizeof(FLAC__Metadata_Chain));
+ FLAC__Metadata_Chain *chain = calloc(1, sizeof(FLAC__Metadata_Chain));
if(0 != chain)
chain_init_(chain);
return chain_read_(chain, filename, /*is_ogg=*/false);
}
+/*@@@@add to tests*/
FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg(FLAC__Metadata_Chain *chain, const char *filename)
{
return chain_read_(chain, filename, /*is_ogg=*/true);
return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/false);
}
+/*@@@@add to tests*/
FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
{
return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/true);
}
-FLAC_API FLAC__Metadata_Iterator *FLAC__metadata_iterator_new()
+FLAC_API FLAC__Metadata_Iterator *FLAC__metadata_iterator_new(void)
{
- FLAC__Metadata_Iterator *iterator = (FLAC__Metadata_Iterator*)calloc(1, sizeof(FLAC__Metadata_Iterator));
+ FLAC__Metadata_Iterator *iterator = calloc(1, sizeof(FLAC__Metadata_Iterator));
/* calloc() implies:
iterator->current = 0;
if(read_cb(block->id, 1, id_bytes, handle) != id_bytes)
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+ if(block_length < id_bytes)
+ return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
+
block_length -= id_bytes;
if(block_length == 0) {
block->data = 0;
}
else {
- if(0 == (block->data = (FLAC__byte*)malloc(block_length)))
+ if(0 == (block->data = malloc(block_length)))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
if(read_cb(block->data, 1, block_length, handle) != block_length)
if(block->num_points == 0)
block->points = 0;
- else if(0 == (block->points = (FLAC__StreamMetadata_SeekPoint*)malloc(block->num_points * sizeof(FLAC__StreamMetadata_SeekPoint))))
+ else if(0 == (block->points = safe_malloc_mul_2op_(block->num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint))))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
for(i = 0; i < block->num_points; i++) {
entry->entry = 0;
}
else {
- if(0 == (entry->entry = (FLAC__byte*)malloc(entry->length+1)))
+ if(0 == (entry->entry = safe_malloc_add_2op_(entry->length, /*+*/1)))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
if(read_cb(entry->entry, 1, entry->length, handle) != entry->length)
if(block->num_comments == 0) {
block->comments = 0;
}
- else if(0 == (block->comments = (FLAC__StreamMetadata_VorbisComment_Entry*)calloc(block->num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry))))
+ else if(0 == (block->comments = calloc(block->num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry))))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
for(i = 0; i < block->num_comments; i++) {
if(track->num_indices == 0) {
track->indices = 0;
}
- else if(0 == (track->indices = (FLAC__StreamMetadata_CueSheet_Index*)calloc(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index))))
+ else if(0 == (track->indices = calloc(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index))))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
for(i = 0; i < track->num_indices; i++) {
if(block->num_tracks == 0) {
block->tracks = 0;
}
- else if(0 == (block->tracks = (FLAC__StreamMetadata_CueSheet_Track*)calloc(block->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track))))
+ else if(0 == (block->tracks = calloc(block->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track))))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
for(i = 0; i < block->num_tracks; i++) {
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
}
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cstring_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__byte **data, FLAC__uint32 *length, FLAC__uint32 length_len)
+static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cstring_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__byte **data, FLAC__uint32 *length, FLAC__uint32 length_len)
{
FLAC__byte buffer[sizeof(FLAC__uint32)];
if(0 != *data)
free(*data);
- if(0 == (*data = (FLAC__byte*)malloc(*length+1)))
+ if(0 == (*data = safe_malloc_add_2op_(*length, /*+*/1)))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
if(*length > 0) {
block->data = 0;
}
else {
- if(0 == (block->data = (FLAC__byte*)malloc(block_length)))
+ if(0 == (block->data = malloc(block_length)))
return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
if(read_cb(block->data, 1, block_length, handle) != block_length)
const unsigned num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8;
FLAC__byte buffer[4]; /* magic number is asserted below */
- FLAC__ASSERT(max(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN, FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8 == sizeof(buffer));
+ FLAC__ASSERT(flac_max(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN, FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8 == sizeof(buffer));
pack_uint32_little_endian_(block->vendor_string.length, buffer, entry_length_len);
if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append)
{
- FILE *tempfile;
- char *tempfilename;
+ FILE *tempfile = NULL;
+ char *tempfilename = NULL;
int fixup_is_last_code = 0; /* 0 => no need to change any is_last flags */
off_t fixup_is_last_flag_offset = -1;
FLAC__ASSERT(bytes >= 0);
while(bytes > 0) {
- n = min(sizeof(buffer), (size_t)bytes);
+ n = flac_min(sizeof(buffer), (size_t)bytes);
if(fread(buffer, 1, n, file) != n) {
*status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
return false;
FLAC__ASSERT(bytes >= 0);
while(bytes > 0) {
- n = min(sizeof(buffer), (size_t)bytes);
+ n = flac_min(sizeof(buffer), (size_t)bytes);
if(read_cb(buffer, 1, n, handle) != n) {
*status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
return false;
{
static const char *tempfile_suffix = ".metadata_edit";
if(0 == tempfile_path_prefix) {
- if(0 == (*tempfilename = (char*)malloc(strlen(filename) + strlen(tempfile_suffix) + 1))) {
+ if(0 == (*tempfilename = safe_malloc_add_3op_(strlen(filename), /*+*/strlen(tempfile_suffix), /*+*/1))) {
*status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
return false;
}
else
p++;
- if(0 == (*tempfilename = (char*)malloc(strlen(tempfile_path_prefix) + 1 + strlen(p) + strlen(tempfile_suffix) + 1))) {
+ if(0 == (*tempfilename = safe_malloc_add_4op_(strlen(tempfile_path_prefix), /*+*/strlen(p), /*+*/strlen(tempfile_suffix), /*+*/2))) {
*status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
return false;
}
srctime.modtime = stats->st_mtime;
(void)chmod(filename, stats->st_mode);
(void)utime(filename, &srctime);
-#if !defined _MSC_VER && !defined __BORLANDC__ && !defined __MINGW32__ && !defined __EMX__
+#if !defined _MSC_VER && !defined __BORLANDC__ && !defined __MINGW32__
(void)chown(filename, stats->st_uid, -1);
(void)chown(filename, -1, stats->st_gid);
#endif