phoenix-firestorm/indra/llmessage/lldatapacker.cpp

1868 lines
43 KiB
C++

/**
* @file lldatapacker.cpp
* @brief Data packer implementation.
*
* Copyright (c) 2006-$CurrentYear$, Linden Research, Inc.
* $License$
*/
#include <string.h>
#include "linden_common.h"
#include "lldatapacker.h"
#include "llerror.h"
#include "message.h"
#include "v4color.h"
#include "v4coloru.h"
#include "v2math.h"
#include "v3math.h"
#include "v4math.h"
#include "lluuid.h"
// *NOTE: there are functions below which use sscanf and rely on this
// particular value of DP_BUFSIZE. Search for '511' (DP_BUFSIZE - 1)
// to find them if you change this number.
const S32 DP_BUFSIZE = 512;
static char DUMMY_BUFFER[128]; /*Flawfinder: ignore*/
LLDataPacker::LLDataPacker() : mPassFlags(0), mWriteEnabled(FALSE)
{
}
BOOL LLDataPacker::packFixed(const F32 value, const char *name,
const BOOL is_signed, const U32 int_bits, const U32 frac_bits)
{
BOOL success = TRUE;
S32 unsigned_bits = int_bits + frac_bits;
S32 total_bits = unsigned_bits;
if (is_signed)
{
total_bits++;
}
S32 min_val;
U32 max_val;
if (is_signed)
{
min_val = 1 << int_bits;
min_val *= -1;
}
else
{
min_val = 0;
}
max_val = 1 << int_bits;
// Clamp to be within range
F32 fixed_val = llclamp(value, (F32)min_val, (F32)max_val);
if (is_signed)
{
fixed_val += max_val;
}
fixed_val *= 1 << frac_bits;
if (total_bits <= 8)
{
packU8((U8)fixed_val, name);
}
else if (total_bits <= 16)
{
packU16((U16)fixed_val, name);
}
else if (total_bits <= 31)
{
packU32((U32)fixed_val, name);
}
else
{
llerrs << "Using fixed-point packing of " << total_bits << " bits, why?!" << llendl;
}
return success;
}
BOOL LLDataPacker::unpackFixed(F32 &value, const char *name,
const BOOL is_signed, const U32 int_bits, const U32 frac_bits)
{
//BOOL success = TRUE;
//llinfos << "unpackFixed:" << name << " int:" << int_bits << " frac:" << frac_bits << llendl;
BOOL ok = FALSE;
S32 unsigned_bits = int_bits + frac_bits;
S32 total_bits = unsigned_bits;
if (is_signed)
{
total_bits++;
}
S32 min_val;
U32 max_val;
if (is_signed)
{
min_val = 1 << int_bits;
min_val *= -1;
}
max_val = 1 << int_bits;
F32 fixed_val;
if (total_bits <= 8)
{
U8 fixed_8;
ok = unpackU8(fixed_8, name);
fixed_val = (F32)fixed_8;
}
else if (total_bits <= 16)
{
U16 fixed_16;
ok = unpackU16(fixed_16, name);
fixed_val = (F32)fixed_16;
}
else if (total_bits <= 31)
{
U32 fixed_32;
ok = unpackU32(fixed_32, name);
fixed_val = (F32)fixed_32;
}
else
{
fixed_val = 0;
llerrs << "Bad bit count: " << total_bits << llendl;
}
//llinfos << "Fixed_val:" << fixed_val << llendl;
fixed_val /= (F32)(1 << frac_bits);
if (is_signed)
{
fixed_val -= max_val;
}
value = fixed_val;
//llinfos << "Value: " << value << llendl;
return ok;
}
//---------------------------------------------------------------------------
// LLDataPackerBinaryBuffer implementation
//---------------------------------------------------------------------------
BOOL LLDataPackerBinaryBuffer::packString(const char *value, const char *name)
{
BOOL success = TRUE;
S32 length = (S32)strlen(value) + 1; /*Flawfinder: ignore*/
success &= verifyLength(length, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value, MVT_VARIABLE, length);
}
mCurBufferp += length;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackString(std::string& value, const char *name)
{
BOOL success = TRUE;
S32 length = (S32)strlen((char *)mCurBufferp) + 1; /*Flawfinder: ignore*/
success &= verifyLength(length, name);
value = std::string((char*)mCurBufferp); // We already assume NULL termination calling strlen()
mCurBufferp += length;
return success;
}
BOOL LLDataPackerBinaryBuffer::packBinaryData(const U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(size + 4, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, &size, MVT_S32, 4);
}
mCurBufferp += 4;
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value, MVT_VARIABLE, size);
}
mCurBufferp += size;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackBinaryData(U8 *value, S32 &size, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(4, name);
htonmemcpy(&size, mCurBufferp, MVT_S32, 4);
mCurBufferp += 4;
success &= verifyLength(size, name);
if (success)
{
htonmemcpy(value, mCurBufferp, MVT_VARIABLE, size);
mCurBufferp += size;
}
else
{
llwarns << "LLDataPackerBinaryBuffer::unpackBinaryData would unpack invalid data, aborting!" << llendl;
success = FALSE;
}
return success;
}
BOOL LLDataPackerBinaryBuffer::packBinaryDataFixed(const U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(size, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value, MVT_VARIABLE, size);
}
mCurBufferp += size;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackBinaryDataFixed(U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(size, name);
htonmemcpy(value, mCurBufferp, MVT_VARIABLE, size);
mCurBufferp += size;
return success;
}
BOOL LLDataPackerBinaryBuffer::packU8(const U8 value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(U8), name);
if (mWriteEnabled)
{
*mCurBufferp = value;
}
mCurBufferp++;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackU8(U8 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(U8), name);
value = *mCurBufferp;
mCurBufferp++;
return success;
}
BOOL LLDataPackerBinaryBuffer::packU16(const U16 value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(U16), name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, &value, MVT_U16, 2);
}
mCurBufferp += 2;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackU16(U16 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(U16), name);
htonmemcpy(&value, mCurBufferp, MVT_U16, 2);
mCurBufferp += 2;
return success;
}
BOOL LLDataPackerBinaryBuffer::packU32(const U32 value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(U32), name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, &value, MVT_U32, 4);
}
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackU32(U32 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(U32), name);
htonmemcpy(&value, mCurBufferp, MVT_U32, 4);
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::packS32(const S32 value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(S32), name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, &value, MVT_S32, 4);
}
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackS32(S32 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(S32), name);
htonmemcpy(&value, mCurBufferp, MVT_S32, 4);
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::packF32(const F32 value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(F32), name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, &value, MVT_F32, 4);
}
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackF32(F32 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(sizeof(F32), name);
htonmemcpy(&value, mCurBufferp, MVT_F32, 4);
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::packColor4(const LLColor4 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(16, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value.mV, MVT_LLVector4, 16);
}
mCurBufferp += 16;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackColor4(LLColor4 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(16, name);
htonmemcpy(value.mV, mCurBufferp, MVT_LLVector4, 16);
mCurBufferp += 16;
return success;
}
BOOL LLDataPackerBinaryBuffer::packColor4U(const LLColor4U &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(4, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value.mV, MVT_VARIABLE, 4);
}
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackColor4U(LLColor4U &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(4, name);
htonmemcpy(value.mV, mCurBufferp, MVT_VARIABLE, 4);
mCurBufferp += 4;
return success;
}
BOOL LLDataPackerBinaryBuffer::packVector2(const LLVector2 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(8, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, &value.mV[0], MVT_F32, 4);
htonmemcpy(mCurBufferp+4, &value.mV[1], MVT_F32, 4);
}
mCurBufferp += 8;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackVector2(LLVector2 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(8, name);
htonmemcpy(&value.mV[0], mCurBufferp, MVT_F32, 4);
htonmemcpy(&value.mV[1], mCurBufferp+4, MVT_F32, 4);
mCurBufferp += 8;
return success;
}
BOOL LLDataPackerBinaryBuffer::packVector3(const LLVector3 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(12, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value.mV, MVT_LLVector3, 12);
}
mCurBufferp += 12;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackVector3(LLVector3 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(12, name);
htonmemcpy(value.mV, mCurBufferp, MVT_LLVector3, 12);
mCurBufferp += 12;
return success;
}
BOOL LLDataPackerBinaryBuffer::packVector4(const LLVector4 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(16, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value.mV, MVT_LLVector4, 16);
}
mCurBufferp += 16;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackVector4(LLVector4 &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(16, name);
htonmemcpy(value.mV, mCurBufferp, MVT_LLVector4, 16);
mCurBufferp += 16;
return success;
}
BOOL LLDataPackerBinaryBuffer::packUUID(const LLUUID &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(16, name);
if (mWriteEnabled)
{
htonmemcpy(mCurBufferp, value.mData, MVT_LLUUID, 16);
}
mCurBufferp += 16;
return success;
}
BOOL LLDataPackerBinaryBuffer::unpackUUID(LLUUID &value, const char *name)
{
BOOL success = TRUE;
success &= verifyLength(16, name);
htonmemcpy(value.mData, mCurBufferp, MVT_LLUUID, 16);
mCurBufferp += 16;
return success;
}
const LLDataPackerBinaryBuffer& LLDataPackerBinaryBuffer::operator=(const LLDataPackerBinaryBuffer &a)
{
if (a.getBufferSize() > getBufferSize())
{
// We've got problems, ack!
llerrs << "Trying to do an assignment with not enough room in the target." << llendl;
}
memcpy(mBufferp, a.mBufferp, a.getBufferSize()); /*Flawfinder: ignore*/
return *this;
}
void LLDataPackerBinaryBuffer::dumpBufferToLog()
{
llwarns << "Binary Buffer Dump, size: " << mBufferSize << llendl;
char line_buffer[256]; /*Flawfinder: ignore*/
S32 i;
S32 cur_line_pos = 0;
S32 cur_line = 0;
for (i = 0; i < mBufferSize; i++)
{
snprintf(line_buffer + cur_line_pos*3, sizeof(line_buffer) - cur_line_pos*3, "%02x ", mBufferp[i]); /*Flawfinder: ignore*/
cur_line_pos++;
if (cur_line_pos >= 16)
{
cur_line_pos = 0;
llwarns << "Offset:" << std::hex << cur_line*16 << std::dec << " Data:" << line_buffer << llendl;
cur_line++;
}
}
if (cur_line_pos)
{
llwarns << "Offset:" << std::hex << cur_line*16 << std::dec << " Data:" << line_buffer << llendl;
}
}
//---------------------------------------------------------------------------
// LLDataPackerAsciiBuffer implementation
//---------------------------------------------------------------------------
BOOL LLDataPackerAsciiBuffer::packString(const char *value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\n", value); /*Flawfinder: ignore*/
}
else
{
numCopied = (S32)strlen(value) + 1; /*Flawfinder: ignore*/
}
// snprintf returns number of bytes that would have been written
// had the output not being truncated. In that case, it will
// return >= passed in size value. so a check needs to be added
// to detect truncation, and if there is any, only account for the
// actual number of bytes written..and not what could have been
// written.
if (numCopied > getBufferSize()-getCurrentSize())
{
// *NOTE: I believe we need to mark a failure bit at this point.
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackString(std::string& value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore*/
BOOL res = getValueStr(name, valuestr, DP_BUFSIZE); // NULL terminated
if (!res) //
{
return FALSE;
}
value = valuestr;
return success;
}
BOOL LLDataPackerAsciiBuffer::packBinaryData(const U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%010d ", size); /*Flawfinder: ignore*/
// snprintf returns number of bytes that would have been
// written had the output not being truncated. In that case,
// it will retuen >= passed in size value. so a check needs
// to be added to detect truncation, and if there is any, only
// account for the actual number of bytes written..and not
// what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
S32 i;
BOOL bBufferFull = FALSE;
for (i = 0; i < size && !bBufferFull; i++)
{
numCopied = snprintf(mCurBufferp, getBufferSize()-getCurrentSize(), "%02x ", value[i]); /* Flawfinder: ignore */
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
bBufferFull = TRUE;
}
mCurBufferp += numCopied;
}
if (!bBufferFull)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(), "\n"); /* Flawfinder: ignore */
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
}
}
else
{
// why +10 ?? XXXCHECK
numCopied = 10 + 1; // size plus newline
numCopied += size;
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
}
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackBinaryData(U8 *value, S32 &size, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
char *cur_pos = &valuestr[0];
sscanf(valuestr,"%010d", &size);
cur_pos += 11;
S32 i;
for (i = 0; i < size; i++)
{
S32 val;
sscanf(cur_pos,"%02x", &val);
value[i] = val;
cur_pos += 3;
}
return success;
}
BOOL LLDataPackerAsciiBuffer::packBinaryDataFixed(const U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mWriteEnabled)
{
S32 i;
int numCopied = 0;
BOOL bBufferFull = FALSE;
for (i = 0; i < size && !bBufferFull; i++)
{
numCopied = snprintf(mCurBufferp, getBufferSize()-getCurrentSize(), "%02x ", value[i]); /* Flawfinder: ignore */
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
bBufferFull = TRUE;
}
mCurBufferp += numCopied;
}
if (!bBufferFull)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(), "\n"); /* Flawfinder: ignore */
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
}
}
else
{
int numCopied = 2 * size + 1; //hex bytes plus newline
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
}
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackBinaryDataFixed(U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
char *cur_pos = &valuestr[0];
S32 i;
for (i = 0; i < size; i++)
{
S32 val;
sscanf(cur_pos,"%02x", &val);
value[i] = val;
cur_pos += 3;
}
return success;
}
BOOL LLDataPackerAsciiBuffer::packU8(const U8 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value); /*Flawfinder: ignore*/
}
else
{
// just do the write to a temp buffer to get the length
numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackU8(U8 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
S32 in_val;
sscanf(valuestr,"%d", &in_val);
value = in_val;
return success;
}
BOOL LLDataPackerAsciiBuffer::packU16(const U16 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value); /*Flawfinder: ignore*/
}
else
{
numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackU16(U16 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
S32 in_val;
sscanf(valuestr,"%d", &in_val);
value = in_val;
return success;
}
BOOL LLDataPackerAsciiBuffer::packU32(const U32 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%u\n", value); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%u\n", value); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackU32(U32 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%u", &value);
return success;
}
BOOL LLDataPackerAsciiBuffer::packS32(const S32 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d\n", value); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%d\n", value); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackS32(S32 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%d", &value);
return success;
}
BOOL LLDataPackerAsciiBuffer::packF32(const F32 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g\n", value); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER, sizeof(DUMMY_BUFFER), "%g\n", value); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackF32(F32 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g", &value);
return success;
}
BOOL LLDataPackerAsciiBuffer::packColor4(const LLColor4 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackColor4(LLColor4 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g %g %g", &value.mV[0], &value.mV[1], &value.mV[2], &value.mV[3]);
return success;
}
BOOL LLDataPackerAsciiBuffer::packColor4U(const LLColor4U &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%d %d %d %d\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%d %d %d %d\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackColor4U(LLColor4U &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
S32 r, g, b, a;
sscanf(valuestr,"%d %d %d %d", &r, &g, &b, &a);
value.mV[0] = r;
value.mV[1] = g;
value.mV[2] = b;
value.mV[3] = a;
return success;
}
BOOL LLDataPackerAsciiBuffer::packVector2(const LLVector2 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g %g\n", value.mV[0], value.mV[1]); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g\n", value.mV[0], value.mV[1]); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackVector2(LLVector2 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g", &value.mV[0], &value.mV[1]);
return success;
}
BOOL LLDataPackerAsciiBuffer::packVector3(const LLVector3 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g %g %g\n", value.mV[0], value.mV[1], value.mV[2]); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g %g\n", value.mV[0], value.mV[1], value.mV[2]); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackVector3(LLVector3 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g %g", &value.mV[0], &value.mV[1], &value.mV[2]);
return success;
}
BOOL LLDataPackerAsciiBuffer::packVector4(const LLVector4 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
}
else
{
numCopied = snprintf(DUMMY_BUFFER,sizeof(DUMMY_BUFFER),"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]); /* Flawfinder: ignore */
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackVector4(LLVector4 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g %g %g", &value.mV[0], &value.mV[1], &value.mV[2], &value.mV[3]);
return success;
}
BOOL LLDataPackerAsciiBuffer::packUUID(const LLUUID &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
int numCopied = 0;
if (mWriteEnabled)
{
char tmp_str[64]; /* Flawfinder: ignore */
value.toString(tmp_str);
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\n", tmp_str); /* Flawfinder: ignore */
}
else
{
numCopied = 64 + 1; // UUID + newline
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
success = FALSE;
}
mCurBufferp += numCopied;
return success;
}
BOOL LLDataPackerAsciiBuffer::unpackUUID(LLUUID &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
char tmp_str[64]; /* Flawfinder: ignore */
sscanf(valuestr, "%63s", tmp_str); /* Flawfinder: ignore */
value.set(tmp_str);
return success;
}
void LLDataPackerAsciiBuffer::dump()
{
llinfos << "Buffer: " << mBufferp << llendl;
}
void LLDataPackerAsciiBuffer::writeIndentedName(const char *name)
{
if (mIncludeNames)
{
int numCopied = 0;
if (mWriteEnabled)
{
numCopied = snprintf(mCurBufferp,getBufferSize()-getCurrentSize(),"%s\t", name); /* Flawfinder: ignore */
}
else
{
numCopied = (S32)strlen(name) + 1; /* Flawfinder: ignore */ //name + tab
}
// snprintf returns number of bytes that would have been written had the
// output not being truncated. In that case, it will retuen >= passed in size value.
// so a check needs to be added to detect truncation, and if there is any,
// only account for the actual number of bytes written..and not what could have been written.
if (numCopied > getBufferSize()-getCurrentSize())
{
numCopied = getBufferSize()-getCurrentSize();
}
}
}
BOOL LLDataPackerAsciiBuffer::getValueStr(const char *name, char *out_value, S32 value_len)
{
BOOL success = TRUE;
char buffer[DP_BUFSIZE]; /* Flawfinder: ignore */
char keyword[DP_BUFSIZE]; /* Flawfinder: ignore */
char value[DP_BUFSIZE]; /* Flawfinder: ignore */
buffer[0] = '\0';
keyword[0] = '\0';
value[0] = '\0';
if (mIncludeNames)
{
// Read both the name and the value, and validate the name.
sscanf(mCurBufferp, "%511[^\n]", buffer);
// Skip the \n
mCurBufferp += (S32)strlen(buffer) + 1; /* Flawfinder: ignore */
sscanf(buffer, "%511s %511[^\n]", keyword, value); /* Flawfinder: ignore */
if (strcmp(keyword, name))
{
llwarns << "Data packer expecting keyword of type " << name << ", got " << keyword << " instead!" << llendl;
return FALSE;
}
}
else
{
// Just the value exists
sscanf(mCurBufferp, "%511[^\n]", value);
// Skip the \n
mCurBufferp += (S32)strlen(value) + 1; /* Flawfinder: ignore */
}
S32 in_value_len = (S32)strlen(value)+1; /* Flawfinder: ignore */
S32 min_len = llmin(in_value_len, value_len);
memcpy(out_value, value, min_len); /* Flawfinder: ignore */
out_value[min_len-1] = 0;
return success;
}
//---------------------------------------------------------------------------
// LLDataPackerAsciiFile implementation
//---------------------------------------------------------------------------
BOOL LLDataPackerAsciiFile::packString(const char *value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%s\n", value);
}
else if (mOutputStream)
{
*mOutputStream << value << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackString(std::string& value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /* Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
value = valuestr;
return success;
}
BOOL LLDataPackerAsciiFile::packBinaryData(const U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP, "%010d ", size);
S32 i;
for (i = 0; i < size; i++)
{
fprintf(mFP, "%02x ", value[i]);
}
fprintf(mFP, "\n");
}
else if (mOutputStream)
{
char buffer[32]; /* Flawfinder: ignore */
snprintf(buffer,sizeof(buffer), "%010d ", size); /* Flawfinder: ignore */
*mOutputStream << buffer;
S32 i;
for (i = 0; i < size; i++)
{
snprintf(buffer, sizeof(buffer), "%02x ", value[i]); /* Flawfinder: ignore */
*mOutputStream << buffer;
}
*mOutputStream << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackBinaryData(U8 *value, S32 &size, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore*/
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
char *cur_pos = &valuestr[0];
sscanf(valuestr,"%010d", &size);
cur_pos += 11;
S32 i;
for (i = 0; i < size; i++)
{
S32 val;
sscanf(cur_pos,"%02x", &val);
value[i] = val;
cur_pos += 3;
}
return success;
}
BOOL LLDataPackerAsciiFile::packBinaryDataFixed(const U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
S32 i;
for (i = 0; i < size; i++)
{
fprintf(mFP, "%02x ", value[i]);
}
fprintf(mFP, "\n");
}
else if (mOutputStream)
{
char buffer[32]; /*Flawfinder: ignore*/
S32 i;
for (i = 0; i < size; i++)
{
snprintf(buffer, sizeof(buffer), "%02x ", value[i]); /*Flawfinder: ignore*/
*mOutputStream << buffer;
}
*mOutputStream << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackBinaryDataFixed(U8 *value, S32 size, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore*/
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
char *cur_pos = &valuestr[0];
S32 i;
for (i = 0; i < size; i++)
{
S32 val;
sscanf(cur_pos,"%02x", &val);
value[i] = val;
cur_pos += 3;
}
return success;
}
BOOL LLDataPackerAsciiFile::packU8(const U8 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%d\n", value);
}
else if (mOutputStream)
{
// We have to cast this to an integer because streams serialize
// bytes as bytes - not as text.
*mOutputStream << (S32)value << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackU8(U8 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
S32 in_val;
sscanf(valuestr,"%d", &in_val);
value = in_val;
return success;
}
BOOL LLDataPackerAsciiFile::packU16(const U16 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%d\n", value);
}
else if (mOutputStream)
{
*mOutputStream <<"" << value << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackU16(U16 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
S32 in_val;
sscanf(valuestr,"%d", &in_val);
value = in_val;
return success;
}
BOOL LLDataPackerAsciiFile::packU32(const U32 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%u\n", value);
}
else if (mOutputStream)
{
*mOutputStream <<"" << value << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackU32(U32 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%u", &value);
return success;
}
BOOL LLDataPackerAsciiFile::packS32(const S32 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%d\n", value);
}
else if (mOutputStream)
{
*mOutputStream <<"" << value << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackS32(S32 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%d", &value);
return success;
}
BOOL LLDataPackerAsciiFile::packF32(const F32 value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%g\n", value);
}
else if (mOutputStream)
{
*mOutputStream <<"" << value << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackF32(F32 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g", &value);
return success;
}
BOOL LLDataPackerAsciiFile::packColor4(const LLColor4 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);
}
else if (mOutputStream)
{
*mOutputStream << value.mV[0] << " " << value.mV[1] << " " << value.mV[2] << " " << value.mV[3] << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackColor4(LLColor4 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g %g %g", &value.mV[0], &value.mV[1], &value.mV[2], &value.mV[3]);
return success;
}
BOOL LLDataPackerAsciiFile::packColor4U(const LLColor4U &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%d %d %d %d\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);
}
else if (mOutputStream)
{
*mOutputStream << (S32)(value.mV[0]) << " " << (S32)(value.mV[1]) << " " << (S32)(value.mV[2]) << " " << (S32)(value.mV[3]) << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackColor4U(LLColor4U &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
S32 r, g, b, a;
sscanf(valuestr,"%d %d %d %d", &r, &g, &b, &a);
value.mV[0] = r;
value.mV[1] = g;
value.mV[2] = b;
value.mV[3] = a;
return success;
}
BOOL LLDataPackerAsciiFile::packVector2(const LLVector2 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%g %g\n", value.mV[0], value.mV[1]);
}
else if (mOutputStream)
{
*mOutputStream << value.mV[0] << " " << value.mV[1] << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackVector2(LLVector2 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g", &value.mV[0], &value.mV[1]);
return success;
}
BOOL LLDataPackerAsciiFile::packVector3(const LLVector3 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%g %g %g\n", value.mV[0], value.mV[1], value.mV[2]);
}
else if (mOutputStream)
{
*mOutputStream << value.mV[0] << " " << value.mV[1] << " " << value.mV[2] << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackVector3(LLVector3 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g %g", &value.mV[0], &value.mV[1], &value.mV[2]);
return success;
}
BOOL LLDataPackerAsciiFile::packVector4(const LLVector4 &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
if (mFP)
{
fprintf(mFP,"%g %g %g %g\n", value.mV[0], value.mV[1], value.mV[2], value.mV[3]);
}
else if (mOutputStream)
{
*mOutputStream << value.mV[0] << " " << value.mV[1] << " " << value.mV[2] << " " << value.mV[3] << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackVector4(LLVector4 &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
sscanf(valuestr,"%g %g %g %g", &value.mV[0], &value.mV[1], &value.mV[2], &value.mV[3]);
return success;
}
BOOL LLDataPackerAsciiFile::packUUID(const LLUUID &value, const char *name)
{
BOOL success = TRUE;
writeIndentedName(name);
char tmp_str[64]; /*Flawfinder: ignore */
value.toString(tmp_str);
if (mFP)
{
fprintf(mFP,"%s\n", tmp_str);
}
else if (mOutputStream)
{
*mOutputStream <<"" << tmp_str << "\n";
}
return success;
}
BOOL LLDataPackerAsciiFile::unpackUUID(LLUUID &value, const char *name)
{
BOOL success = TRUE;
char valuestr[DP_BUFSIZE]; /*Flawfinder: ignore */
if (!getValueStr(name, valuestr, DP_BUFSIZE))
{
return FALSE;
}
char tmp_str[64]; /*Flawfinder: ignore */
sscanf(valuestr,"%63s",tmp_str); /* Flawfinder: ignore */
value.set(tmp_str);
return success;
}
void LLDataPackerAsciiFile::writeIndentedName(const char *name)
{
char indent_buf[64]; /*Flawfinder: ignore*/
S32 i;
for(i = 0; i < mIndent; i++)
{
indent_buf[i] = '\t';
}
indent_buf[i] = 0;
if (mFP)
{
fprintf(mFP,"%s%s\t",indent_buf, name);
}
else if (mOutputStream)
{
*mOutputStream << indent_buf << name << "\t";
}
}
BOOL LLDataPackerAsciiFile::getValueStr(const char *name, char *out_value, S32 value_len)
{
BOOL success = FALSE;
char buffer[DP_BUFSIZE]; /*Flawfinder: ignore*/
char keyword[DP_BUFSIZE]; /*Flawfinder: ignore*/
char value[DP_BUFSIZE]; /*Flawfinder: ignore*/
buffer[0] = '\0';
keyword[0] = '\0';
value[0] = '\0';
if (mFP)
{
fpos_t last_pos;
fgetpos(mFP, &last_pos);
fgets(buffer, DP_BUFSIZE, mFP);
sscanf(buffer, "%511s %511[^\n]", keyword, value); /* Flawfinder: ignore */
if (!keyword[0])
{
llwarns << "Data packer could not get the keyword!" << llendl;
fsetpos(mFP, &last_pos);
return FALSE;
}
if (strcmp(keyword, name))
{
llwarns << "Data packer expecting keyword of type " << name << ", got " << keyword << " instead!" << llendl;
fsetpos(mFP, &last_pos);
return FALSE;
}
S32 in_value_len = (S32)strlen(value)+1; /*Flawfinder: ignore*/
S32 min_len = llmin(in_value_len, value_len);
memcpy(out_value, value, min_len); /*Flawfinder: ignore*/
out_value[min_len-1] = 0;
success = TRUE;
}
else if (mInputStream)
{
mInputStream->getline(buffer, DP_BUFSIZE);
sscanf(buffer, "%511s %511[^\n]", keyword, value); /* Flawfinder: ignore */
if (!keyword[0])
{
llwarns << "Data packer could not get the keyword!" << llendl;
return FALSE;
}
if (strcmp(keyword, name))
{
llwarns << "Data packer expecting keyword of type " << name << ", got " << keyword << " instead!" << llendl;
return FALSE;
}
S32 in_value_len = (S32)strlen(value)+1; /*Flawfinder: ignore*/
S32 min_len = llmin(in_value_len, value_len);
memcpy(out_value, value, min_len); /*Flawfinder: ignore*/
out_value[min_len-1] = 0;
success = TRUE;
}
return success;
}