/* 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
#include <stdlib.h>
#include <string.h>
-#if defined _MSC_VER || defined __MINGW32__
+#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
+#if defined __BORLANDC__
+#include <utime.h> /* for utime() */
+#else
#include <sys/utime.h> /* for utime() */
+#endif
#include <io.h> /* for chmod() */
#include <sys/types.h> /* for off_t */
-#if _MSC_VER <= 1200 /* @@@ [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);
struct FLAC__Metadata_Chain {
char *filename; /* will be NULL if using callbacks */
+ FLAC__bool is_ogg;
FLAC__Metadata_Node *head;
FLAC__Metadata_Node *tail;
unsigned nodes;
* or not the whole file has to be rewritten.
*/
off_t initial_length;
+ /* @@@ hacky, these are currently only needed by ogg reader */
+ FLAC__IOHandle handle;
+ FLAC__IOCallback_Read read_cb;
};
struct FLAC__Metadata_Iterator {
};
-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)
FLAC__ASSERT(0 != chain);
chain->filename = 0;
+ chain->is_ogg = false;
chain->head = chain->tail = 0;
chain->nodes = 0;
chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
chain->initial_length = 0;
+ chain->read_cb = 0;
}
static void chain_clear_(FLAC__Metadata_Chain *chain)
}
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;
}
+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(*bytes > 0 && chain->status == FLAC__METADATA_CHAIN_STATUS_OK) {
+ *bytes = chain->read_cb(buffer, sizeof(FLAC__byte), *bytes, chain->handle);
+ if(*bytes == 0)
+ return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
+ else
+ return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
+ }
+ else
+ return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
+}
+
+static FLAC__StreamDecoderWriteStatus chain_read_ogg_write_cb_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
+{
+ (void)decoder, (void)frame, (void)buffer, (void)client_data;
+ return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
+}
+
+static void chain_read_ogg_metadata_cb_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
+{
+ FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
+ FLAC__Metadata_Node *node;
+
+ (void)decoder;
+
+ node = node_new_();
+ if(0 == node) {
+ chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+
+ node->data = FLAC__metadata_object_clone(metadata);
+ if(0 == node->data) {
+ node_delete_(node);
+ chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
+ return;
+ }
+
+ chain_append_node_(chain, node);
+}
+
+static void chain_read_ogg_error_cb_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
+{
+ FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
+ (void)decoder, (void)status;
+ chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
+}
+
+static FLAC__bool chain_read_ogg_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb)
+{
+ FLAC__StreamDecoder *decoder;
+
+ FLAC__ASSERT(0 != chain);
+
+ /* we assume we're already at the beginning of the file */
+
+ chain->handle = handle;
+ chain->read_cb = read_cb;
+ if(0 == (decoder = FLAC__stream_decoder_new())) {
+ chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
+ return false;
+ }
+ FLAC__stream_decoder_set_metadata_respond_all(decoder);
+ if(FLAC__stream_decoder_init_ogg_stream(decoder, chain_read_ogg_read_cb_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, chain_read_ogg_write_cb_, chain_read_ogg_metadata_cb_, chain_read_ogg_error_cb_, chain) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
+ FLAC__stream_decoder_delete(decoder);
+ chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
+ return false;
+ }
+
+ chain->first_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */
+
+ if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder))
+ chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
+ if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) {
+ FLAC__stream_decoder_delete(decoder);
+ return false;
+ }
+
+ FLAC__stream_decoder_delete(decoder);
+
+ chain->last_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */
+
+ chain->initial_length = chain_calculate_length_(chain);
+
+ return true;
+}
+
static FLAC__bool chain_rewrite_metadata_in_place_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, FLAC__IOCallback_Seek seek_cb)
{
FLAC__Metadata_Node *node;
}
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 status;
}
-FLAC_API FLAC__bool FLAC__metadata_chain_read(FLAC__Metadata_Chain *chain, const char *filename)
+static FLAC__bool chain_read_(FLAC__Metadata_Chain *chain, const char *filename, FLAC__bool is_ogg)
{
FILE *file;
FLAC__bool ret;
return false;
}
+ chain->is_ogg = is_ogg;
+
if(0 == (file = fopen(filename, "rb"))) {
chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
return false;
}
- /* chain_read_cb_() sets chain->status for us */
- ret = chain_read_cb_(chain, file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, ftell_wrapper_);
+ /* the function also sets chain->status for us */
+ ret = is_ogg?
+ chain_read_ogg_cb_(chain, file, (FLAC__IOCallback_Read)fread) :
+ chain_read_cb_(chain, file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, ftell_wrapper_)
+ ;
fclose(file);
return ret;
}
-FLAC_API FLAC__bool FLAC__metadata_chain_read_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
+FLAC_API FLAC__bool FLAC__metadata_chain_read(FLAC__Metadata_Chain *chain, const char *filename)
+{
+ 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);
+}
+
+static FLAC__bool chain_read_with_callbacks_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__bool is_ogg)
+{
+ FLAC__bool ret;
+
FLAC__ASSERT(0 != chain);
chain_clear_(chain);
return false;
}
+ chain->is_ogg = is_ogg;
+
/* rewind */
if(0 != callbacks.seek(handle, 0, SEEK_SET)) {
chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
return false;
}
- if(!chain_read_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.tell))
- return false; /* chain->status is already set by chain_read_cb_ */
+ /* the function also sets chain->status for us */
+ ret = is_ogg?
+ chain_read_ogg_cb_(chain, handle, callbacks.read) :
+ chain_read_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.tell)
+ ;
- return true;
+ return ret;
+}
+
+FLAC_API FLAC__bool FLAC__metadata_chain_read_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
+{
+ 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__bool FLAC__metadata_chain_check_if_tempfile_needed(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
FLAC__ASSERT(0 != chain);
+ if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
+ chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
+ return false;
+ }
+
if (0 == chain->filename) {
chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
return false;
FLAC__ASSERT(0 != chain);
+ if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
+ chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
+ return false;
+ }
+
if (0 != chain->filename) {
chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
return false;
FLAC__ASSERT(0 != chain);
+ if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
+ chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
+ return false;
+ }
+
if (0 != chain->filename) {
chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
return false;
}
-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__byte buffer[8192];
size_t n;
+ FLAC__ASSERT(bytes >= 0);
while(bytes > 0) {
- n = min(sizeof(buffer), 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__byte buffer[8192];
size_t n;
+ FLAC__ASSERT(bytes >= 0);
while(bytes > 0) {
- n = min(sizeof(buffer), 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;
}
(void)fclose(*tempfile);
*tempfile = 0;
-#if defined _MSC_VER || defined __MINGW32__ || defined __EMX__
+#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__ || defined __EMX__
/* on some flavors of windows, rename() will fail if the destination already exists */
if(unlink(filename) < 0) {
cleanup_tempfile_(tempfile, tempfilename);
srctime.modtime = stats->st_mtime;
(void)chmod(filename, stats->st_mode);
(void)utime(filename, &srctime);
-#if !defined _MSC_VER && !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