walkero
/
openjpeg
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

Fix a set of warnings reported by gcc in cio.c. This patch impact the API directly (remove left over 32bits API)

This commit is contained in:
Mathieu Malaterre 2012-04-23 09:16:17 +00:00
parent d045409b9f
commit df7e656034
3 changed files with 57 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

95
libopenjpeg/cio.c
View File

@ -58,8 +58,9 @@ opj_cio_t* OPJ_CALLCONV opj_cio_open(opj_common_ptr cinfo, unsigned char *buffer
opj_free(cio); opj_free(cio);
return NULL; return NULL;
} }
cio->length = (unsigned int) (0.1625 * cp->img_size + 2000); /* 0.1625 = 1.3/8 and 2000 bytes as a minimum for headers */ cio->length = (int) (0.1625 * cp->img_size + 2000); /* 0.1625 = 1.3/8 and 2000 bytes as a minimum for headers */
cio->buffer = (unsigned char *)opj_malloc(cio->length); assert(cio->length >= 0);
cio->buffer = (unsigned char *)opj_malloc((OPJ_SIZE_T)cio->length);
if(!cio->buffer) { if(!cio->buffer) {
opj_event_msg(cio->cinfo, EVT_ERROR, "Error allocating memory for compressed bitstream\n"); opj_event_msg(cio->cinfo, EVT_ERROR, "Error allocating memory for compressed bitstream\n");
opj_free(cio); opj_free(cio);
@ -96,7 +97,7 @@ void OPJ_CALLCONV opj_cio_close(opj_cio_t *cio) {
/* /*
* Get position in byte stream. * Get position in byte stream.
*/ */
int OPJ_CALLCONV cio_tell(opj_cio_t *cio) { OPJ_OFF_T OPJ_CALLCONV cio_tell(opj_cio_t *cio) {
return cio->bp - cio->start; return cio->bp - cio->start;
} }
@ -112,8 +113,10 @@ void OPJ_CALLCONV cio_seek(opj_cio_t *cio, int pos) {
/* /*
* Number of bytes left before the end of the stream. * Number of bytes left before the end of the stream.
*/ */
int cio_numbytesleft(opj_cio_t *cio) { OPJ_SIZE_T cio_numbytesleft(opj_cio_t *cio) {
return cio->end - cio->bp; const ptrdiff_t diff = cio->end - cio->bp;
assert( diff >= 0 );
return (OPJ_SIZE_T)diff;
} }
/* /*
@ -158,7 +161,8 @@ unsigned int cio_write(opj_cio_t *cio, unsigned long long int v, int n) {
if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) ) if( !cio_byteout(cio, (unsigned char) ((v >> (i << 3)) & 0xff)) )
return 0; return 0;
} }
return n; assert( n >= 0 );
return (unsigned int)n;
} }
/* /*
@ -170,10 +174,10 @@ unsigned int cio_write(opj_cio_t *cio, unsigned long long int v, int n) {
*/ */
unsigned int cio_read(opj_cio_t *cio, int n) { unsigned int cio_read(opj_cio_t *cio, int n) {
int i; int i;
unsigned int v; unsigned int v = 0;
v = 0;
for (i = n - 1; i >= 0; i--) { for (i = n - 1; i >= 0; i--) {
v += cio_bytein(cio) << (i << 3); const unsigned int c = cio_bytein(cio);
v += c << (i << 3);
} }
return v; return v;
} }
@ -528,7 +532,7 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
p_stream->m_current_data += p_size; p_stream->m_current_data += p_size;
p_stream->m_bytes_in_buffer -= p_size; p_stream->m_bytes_in_buffer -= p_size;
l_read_nb_bytes += p_size; l_read_nb_bytes += p_size;
p_stream->m_byte_offset += p_size; p_stream->m_byte_offset += (OPJ_OFF_T)p_size;
return l_read_nb_bytes; return l_read_nb_bytes;
} }
@ -537,9 +541,9 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
l_read_nb_bytes += p_stream->m_bytes_in_buffer; l_read_nb_bytes += p_stream->m_bytes_in_buffer;
memcpy(p_buffer,p_stream->m_current_data,p_stream->m_bytes_in_buffer); memcpy(p_buffer,p_stream->m_current_data,p_stream->m_bytes_in_buffer);
p_stream->m_current_data += p_stream->m_bytes_in_buffer; p_stream->m_current_data += p_stream->m_bytes_in_buffer;
p_stream->m_byte_offset += p_stream->m_bytes_in_buffer; p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
return l_read_nb_bytes ? l_read_nb_bytes : -1; return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T)-1;
} }
/* the flag is not set, we copy data and then do an actual read on the stream */ /* the flag is not set, we copy data and then do an actual read on the stream */
@ -549,7 +553,7 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
p_stream->m_current_data = p_stream->m_stored_data; p_stream->m_current_data = p_stream->m_stored_data;
p_buffer += p_stream->m_bytes_in_buffer; p_buffer += p_stream->m_bytes_in_buffer;
p_size -= p_stream->m_bytes_in_buffer; p_size -= p_stream->m_bytes_in_buffer;
p_stream->m_byte_offset += p_stream->m_bytes_in_buffer; p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
} }
else { else {
@ -566,14 +570,14 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
/* we should do an actual read on the media */ /* we should do an actual read on the media */
p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_stream->m_stored_data,p_stream->m_buffer_size,p_stream->m_user_data); p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_stream->m_stored_data,p_stream->m_buffer_size,p_stream->m_user_data);
if (p_stream->m_bytes_in_buffer == -1) { if (p_stream->m_bytes_in_buffer == (OPJ_SIZE_T)-1) {
/* end of stream */ /* end of stream */
opj_event_msg_v2(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); opj_event_msg_v2(p_event_mgr, EVT_INFO, "Stream reached its end !\n");
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
p_stream->m_status |= opj_stream_e_end; p_stream->m_status |= opj_stream_e_end;
/* end of stream */ /* end of stream */
return l_read_nb_bytes ? l_read_nb_bytes : -1; return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T)-1;
} }
else if (p_stream->m_bytes_in_buffer < p_size) { else if (p_stream->m_bytes_in_buffer < p_size) {
/* not enough data */ /* not enough data */
@ -582,7 +586,7 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
p_stream->m_current_data = p_stream->m_stored_data; p_stream->m_current_data = p_stream->m_stored_data;
p_buffer += p_stream->m_bytes_in_buffer; p_buffer += p_stream->m_bytes_in_buffer;
p_size -= p_stream->m_bytes_in_buffer; p_size -= p_stream->m_bytes_in_buffer;
p_stream->m_byte_offset += p_stream->m_bytes_in_buffer; p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
} }
else { else {
@ -590,7 +594,7 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
memcpy(p_buffer,p_stream->m_current_data,p_size); memcpy(p_buffer,p_stream->m_current_data,p_size);
p_stream->m_current_data += p_size; p_stream->m_current_data += p_size;
p_stream->m_bytes_in_buffer -= p_size; p_stream->m_bytes_in_buffer -= p_size;
p_stream->m_byte_offset += p_size; p_stream->m_byte_offset += (OPJ_OFF_T)p_size;
return l_read_nb_bytes; return l_read_nb_bytes;
} }
} }
@ -598,14 +602,14 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
/* direct read on the dest buffer */ /* direct read on the dest buffer */
p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_buffer,p_size,p_stream->m_user_data); p_stream->m_bytes_in_buffer = p_stream->m_read_fn(p_buffer,p_size,p_stream->m_user_data);
if (p_stream->m_bytes_in_buffer == -1) { if (p_stream->m_bytes_in_buffer == (OPJ_SIZE_T)-1) {
/* end of stream */ /* end of stream */
opj_event_msg_v2(p_event_mgr, EVT_INFO, "Stream reached its end !\n"); opj_event_msg_v2(p_event_mgr, EVT_INFO, "Stream reached its end !\n");
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
p_stream->m_status |= opj_stream_e_end; p_stream->m_status |= opj_stream_e_end;
/* end of stream */ /* end of stream */
return l_read_nb_bytes ? l_read_nb_bytes : -1; return l_read_nb_bytes ? l_read_nb_bytes : (OPJ_SIZE_T)-1;
} }
else if (p_stream->m_bytes_in_buffer < p_size) { else if (p_stream->m_bytes_in_buffer < p_size) {
/* not enough data */ /* not enough data */
@ -613,13 +617,13 @@ OPJ_SIZE_T opj_stream_read_data (opj_stream_private_t * p_stream,OPJ_BYTE * p_bu
p_stream->m_current_data = p_stream->m_stored_data; p_stream->m_current_data = p_stream->m_stored_data;
p_buffer += p_stream->m_bytes_in_buffer; p_buffer += p_stream->m_bytes_in_buffer;
p_size -= p_stream->m_bytes_in_buffer; p_size -= p_stream->m_bytes_in_buffer;
p_stream->m_byte_offset += p_stream->m_bytes_in_buffer; p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
} }
else { else {
/* we have read the exact size */ /* we have read the exact size */
l_read_nb_bytes += p_stream->m_bytes_in_buffer; l_read_nb_bytes += p_stream->m_bytes_in_buffer;
p_stream->m_byte_offset += p_stream->m_bytes_in_buffer; p_stream->m_byte_offset += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_current_data = p_stream->m_stored_data; p_stream->m_current_data = p_stream->m_stored_data;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
return l_read_nb_bytes; return l_read_nb_bytes;
@ -644,7 +648,7 @@ OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream,const OPJ_BYTE
if if
(p_stream->m_status & opj_stream_e_error) (p_stream->m_status & opj_stream_e_error)
{ {
return -1; return (OPJ_SIZE_T)-1;
} }
while(1) while(1)
@ -658,7 +662,7 @@ OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream,const OPJ_BYTE
p_stream->m_current_data += p_size; p_stream->m_current_data += p_size;
p_stream->m_bytes_in_buffer += p_size; p_stream->m_bytes_in_buffer += p_size;
l_write_nb_bytes += p_size; l_write_nb_bytes += p_size;
p_stream->m_byte_offset += p_size; p_stream->m_byte_offset += (OPJ_OFF_T)p_size;
return l_write_nb_bytes; return l_write_nb_bytes;
} }
@ -672,12 +676,12 @@ OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream,const OPJ_BYTE
p_buffer += l_remaining_bytes; p_buffer += l_remaining_bytes;
p_size -= l_remaining_bytes; p_size -= l_remaining_bytes;
p_stream->m_bytes_in_buffer += l_remaining_bytes; p_stream->m_bytes_in_buffer += l_remaining_bytes;
p_stream->m_byte_offset += l_remaining_bytes; p_stream->m_byte_offset += (OPJ_OFF_T)l_remaining_bytes;
} }
if if
(! opj_stream_flush(p_stream, p_event_mgr)) (! opj_stream_flush(p_stream, p_event_mgr))
{ {
return -1; return (OPJ_SIZE_T)-1;
} }
} }
@ -691,17 +695,17 @@ OPJ_SIZE_T opj_stream_write_data (opj_stream_private_t * p_stream,const OPJ_BYTE
*/ */
opj_bool opj_stream_flush (opj_stream_private_t * p_stream, opj_event_mgr_t * p_event_mgr) opj_bool opj_stream_flush (opj_stream_private_t * p_stream, opj_event_mgr_t * p_event_mgr)
{ {
// the number of bytes written on the media. /* the number of bytes written on the media. */
OPJ_SIZE_T l_current_write_nb_bytes = 0; OPJ_SIZE_T l_current_write_nb_bytes = 0;
p_stream->m_current_data = p_stream->m_stored_data; p_stream->m_current_data = p_stream->m_stored_data;
while while
(p_stream->m_bytes_in_buffer) (p_stream->m_bytes_in_buffer)
{ {
// we should do an actual write on the media /* we should do an actual write on the media */
l_current_write_nb_bytes = p_stream->m_write_fn(p_stream->m_current_data,p_stream->m_bytes_in_buffer,p_stream->m_user_data); l_current_write_nb_bytes = p_stream->m_write_fn(p_stream->m_current_data,p_stream->m_bytes_in_buffer,p_stream->m_user_data);
if if
(l_current_write_nb_bytes == -1) (l_current_write_nb_bytes == (OPJ_SIZE_T)-1)
{ {
p_stream->m_status |= opj_stream_e_error; p_stream->m_status |= opj_stream_e_error;
opj_event_msg_v2(p_event_mgr, EVT_INFO, "Error on writting stream!\n"); opj_event_msg_v2(p_event_mgr, EVT_INFO, "Error on writting stream!\n");
@ -727,43 +731,44 @@ OPJ_OFF_T opj_stream_read_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_siz
OPJ_OFF_T l_skip_nb_bytes = 0; OPJ_OFF_T l_skip_nb_bytes = 0;
OPJ_OFF_T l_current_skip_nb_bytes = 0; OPJ_OFF_T l_current_skip_nb_bytes = 0;
assert( p_size >= 0 );
if if
(p_stream->m_bytes_in_buffer >= p_size) (p_stream->m_bytes_in_buffer >= (OPJ_SIZE_T)p_size)
{ {
p_stream->m_current_data += p_size; p_stream->m_current_data += p_size;
// it is safe to cast p_size to OPJ_SIZE_T since it is <= m_bytes_in_buffer /* it is safe to cast p_size to OPJ_SIZE_T since it is <= m_bytes_in_buffer
// which is of type OPJ_SIZE_T which is of type OPJ_SIZE_T */
p_stream->m_bytes_in_buffer -= (OPJ_SIZE_T)p_size; p_stream->m_bytes_in_buffer -= (OPJ_SIZE_T)p_size;
l_skip_nb_bytes += p_size; l_skip_nb_bytes += p_size;
p_stream->m_byte_offset += l_skip_nb_bytes; p_stream->m_byte_offset += l_skip_nb_bytes;
return l_skip_nb_bytes; return l_skip_nb_bytes;
} }
// we are now in the case when the remaining data if not sufficient /* we are now in the case when the remaining data if not sufficient */
if if
(p_stream->m_status & opj_stream_e_end) (p_stream->m_status & opj_stream_e_end)
{ {
l_skip_nb_bytes += p_stream->m_bytes_in_buffer; l_skip_nb_bytes += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_current_data += p_stream->m_bytes_in_buffer; p_stream->m_current_data += p_stream->m_bytes_in_buffer;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
p_stream->m_byte_offset += l_skip_nb_bytes; p_stream->m_byte_offset += l_skip_nb_bytes;
return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) -1; return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) -1;
} }
// the flag is not set, we copy data and then do an actual skip on the stream /* the flag is not set, we copy data and then do an actual skip on the stream */
if if
(p_stream->m_bytes_in_buffer) (p_stream->m_bytes_in_buffer)
{ {
l_skip_nb_bytes += p_stream->m_bytes_in_buffer; l_skip_nb_bytes += (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_current_data = p_stream->m_stored_data; p_stream->m_current_data = p_stream->m_stored_data;
p_size -= p_stream->m_bytes_in_buffer; p_size -= (OPJ_OFF_T)p_stream->m_bytes_in_buffer;
p_stream->m_bytes_in_buffer = 0; p_stream->m_bytes_in_buffer = 0;
} }
while while
(p_size > 0) (p_size > 0)
{ {
// we should do an actual skip on the media /* we should do an actual skip on the media */
l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data); l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data);
if if
(l_current_skip_nb_bytes == (OPJ_OFF_T) -1) (l_current_skip_nb_bytes == (OPJ_OFF_T) -1)
@ -772,7 +777,7 @@ OPJ_OFF_T opj_stream_read_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_siz
p_stream->m_status |= opj_stream_e_end; p_stream->m_status |= opj_stream_e_end;
p_stream->m_byte_offset += l_skip_nb_bytes; p_stream->m_byte_offset += l_skip_nb_bytes;
// end if stream /* end if stream */
return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) -1; return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T) -1;
} }
p_size -= l_current_skip_nb_bytes; p_size -= l_current_skip_nb_bytes;
@ -801,7 +806,7 @@ OPJ_OFF_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_si
return (OPJ_OFF_T) -1; return (OPJ_OFF_T) -1;
} }
// we should flush data /* we should flush data */
l_is_written = opj_stream_flush (p_stream, p_event_mgr); l_is_written = opj_stream_flush (p_stream, p_event_mgr);
if if
(! l_is_written) (! l_is_written)
@ -811,12 +816,12 @@ OPJ_OFF_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_si
p_stream->m_current_data = p_stream->m_current_data; p_stream->m_current_data = p_stream->m_current_data;
return (OPJ_OFF_T) -1; return (OPJ_OFF_T) -1;
} }
// then skip /* then skip */
while while
(p_size > 0) (p_size > 0)
{ {
// we should do an actual skip on the media /* we should do an actual skip on the media */
l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data); l_current_skip_nb_bytes = p_stream->m_skip_fn(p_size, p_stream->m_user_data);
if if
(l_current_skip_nb_bytes == (OPJ_OFF_T)-1) (l_current_skip_nb_bytes == (OPJ_OFF_T)-1)
@ -825,7 +830,7 @@ OPJ_OFF_T opj_stream_write_skip (opj_stream_private_t * p_stream, OPJ_OFF_T p_si
p_stream->m_status |= opj_stream_e_error; p_stream->m_status |= opj_stream_e_error;
p_stream->m_byte_offset += l_skip_nb_bytes; p_stream->m_byte_offset += l_skip_nb_bytes;
// end if stream /* end if stream */
return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T)-1; return l_skip_nb_bytes ? l_skip_nb_bytes : (OPJ_OFF_T)-1;
} }
p_size -= l_current_skip_nb_bytes; p_size -= l_current_skip_nb_bytes;
@ -857,8 +862,10 @@ OPJ_OFF_T opj_stream_tell (const opj_stream_private_t * p_stream)
*/ */
OPJ_OFF_T opj_stream_get_number_byte_left (const opj_stream_private_t * p_stream) OPJ_OFF_T opj_stream_get_number_byte_left (const opj_stream_private_t * p_stream)
{ {
assert( p_stream->m_byte_offset >= 0 );
assert( p_stream->m_user_data_length >= (OPJ_UINT64)p_stream->m_byte_offset);
return p_stream->m_user_data_length ? return p_stream->m_user_data_length ?
p_stream->m_user_data_length - p_stream->m_byte_offset : (OPJ_OFF_T)(p_stream->m_user_data_length) - p_stream->m_byte_offset :
0; 0;
} }
@ -894,7 +901,7 @@ opj_bool opj_stream_read_seek (opj_stream_private_t * p_stream, OPJ_OFF_T p_size
return EXIT_FAILURE; return EXIT_FAILURE;
} }
else { else {
// reset stream status /* reset stream status */
p_stream->m_status &= (~opj_stream_e_end); p_stream->m_status &= (~opj_stream_e_end);
p_stream->m_byte_offset = p_size; p_stream->m_byte_offset = p_size;

5
libopenjpeg/cio.h
View File

@ -51,7 +51,7 @@ Number of bytes left before the end of the stream
@param cio CIO handle @param cio CIO handle
@return Returns the number of bytes before the end of the stream @return Returns the number of bytes before the end of the stream
*/ */
int cio_numbytesleft(opj_cio_t *cio); OPJ_SIZE_T cio_numbytesleft(opj_cio_t *cio);
/** /**
Get pointer to the current position in the stream Get pointer to the current position in the stream
@param cio CIO handle @param cio CIO handle
@ -114,6 +114,7 @@ void cio_skip(opj_cio_t *cio, int n);
typedef enum typedef enum
{ {
opj_signed_sentinel = -1, /* do not use in code */
opj_stream_e_output = 0x1, opj_stream_e_output = 0x1,
opj_stream_e_input = 0x2, opj_stream_e_input = 0x2,
opj_stream_e_end = 0x4, opj_stream_e_end = 0x4,
@ -193,7 +194,7 @@ typedef struct opj_stream_private
/** /**
* Flags to tell the status of the stream. * Flags to tell the status of the stream.
*/ */
OPJ_UINT32 m_status; opj_stream_flag m_status;
} }
opj_stream_private_t; opj_stream_private_t;

3
libopenjpeg/openjpeg.h
View File

@ -559,6 +559,7 @@ typedef struct opj_cio {
/** pointer to the start of the buffer */ /** pointer to the start of the buffer */
unsigned char *buffer; unsigned char *buffer;
/** buffer size in bytes */ /** buffer size in bytes */
/* FIXME: MM length is 'int' ?? */
int length; int length;
/** pointer to the start of the stream */ /** pointer to the start of the stream */
@ -1080,7 +1081,7 @@ Get position in byte stream
@param cio CIO handle @param cio CIO handle
@return Returns the position in bytes @return Returns the position in bytes
*/ */
OPJ_API int OPJ_CALLCONV cio_tell(opj_cio_t *cio); OPJ_API OPJ_OFF_T OPJ_CALLCONV cio_tell(opj_cio_t *cio);
/** /**
Set position in byte stream Set position in byte stream
@param cio CIO handle @param cio CIO handle