| Index: third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_buffer.c
|
| diff --git a/third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_buffer.c b/third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_buffer.c
|
| deleted file mode 100644
|
| index e9aab4622af2a6b7c427e3382dd4ed0dcd8b523b..0000000000000000000000000000000000000000
|
| --- a/third_party/sqlite/sqlite-src-3100200/ext/fts5/fts5_buffer.c
|
| +++ /dev/null
|
| @@ -1,294 +0,0 @@
|
| -/*
|
| -** 2014 May 31
|
| -**
|
| -** The author disclaims copyright to this source code. In place of
|
| -** a legal notice, here is a blessing:
|
| -**
|
| -** May you do good and not evil.
|
| -** May you find forgiveness for yourself and forgive others.
|
| -** May you share freely, never taking more than you give.
|
| -**
|
| -******************************************************************************
|
| -*/
|
| -
|
| -
|
| -
|
| -#include "fts5Int.h"
|
| -
|
| -int sqlite3Fts5BufferSize(int *pRc, Fts5Buffer *pBuf, int nByte){
|
| - int nNew = pBuf->nSpace ? pBuf->nSpace*2 : 64;
|
| - u8 *pNew;
|
| - while( nNew<nByte ){
|
| - nNew = nNew * 2;
|
| - }
|
| - pNew = sqlite3_realloc(pBuf->p, nNew);
|
| - if( pNew==0 ){
|
| - *pRc = SQLITE_NOMEM;
|
| - return 1;
|
| - }else{
|
| - pBuf->nSpace = nNew;
|
| - pBuf->p = pNew;
|
| - }
|
| - return 0;
|
| -}
|
| -
|
| -
|
| -/*
|
| -** Encode value iVal as an SQLite varint and append it to the buffer object
|
| -** pBuf. If an OOM error occurs, set the error code in p.
|
| -*/
|
| -void sqlite3Fts5BufferAppendVarint(int *pRc, Fts5Buffer *pBuf, i64 iVal){
|
| - if( fts5BufferGrow(pRc, pBuf, 9) ) return;
|
| - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], iVal);
|
| -}
|
| -
|
| -void sqlite3Fts5Put32(u8 *aBuf, int iVal){
|
| - aBuf[0] = (iVal>>24) & 0x00FF;
|
| - aBuf[1] = (iVal>>16) & 0x00FF;
|
| - aBuf[2] = (iVal>> 8) & 0x00FF;
|
| - aBuf[3] = (iVal>> 0) & 0x00FF;
|
| -}
|
| -
|
| -int sqlite3Fts5Get32(const u8 *aBuf){
|
| - return (aBuf[0] << 24) + (aBuf[1] << 16) + (aBuf[2] << 8) + aBuf[3];
|
| -}
|
| -
|
| -/*
|
| -** Append buffer nData/pData to buffer pBuf. If an OOM error occurs, set
|
| -** the error code in p. If an error has already occurred when this function
|
| -** is called, it is a no-op.
|
| -*/
|
| -void sqlite3Fts5BufferAppendBlob(
|
| - int *pRc,
|
| - Fts5Buffer *pBuf,
|
| - int nData,
|
| - const u8 *pData
|
| -){
|
| - assert( *pRc || nData>=0 );
|
| - if( fts5BufferGrow(pRc, pBuf, nData) ) return;
|
| - memcpy(&pBuf->p[pBuf->n], pData, nData);
|
| - pBuf->n += nData;
|
| -}
|
| -
|
| -/*
|
| -** Append the nul-terminated string zStr to the buffer pBuf. This function
|
| -** ensures that the byte following the buffer data is set to 0x00, even
|
| -** though this byte is not included in the pBuf->n count.
|
| -*/
|
| -void sqlite3Fts5BufferAppendString(
|
| - int *pRc,
|
| - Fts5Buffer *pBuf,
|
| - const char *zStr
|
| -){
|
| - int nStr = (int)strlen(zStr);
|
| - sqlite3Fts5BufferAppendBlob(pRc, pBuf, nStr+1, (const u8*)zStr);
|
| - pBuf->n--;
|
| -}
|
| -
|
| -/*
|
| -** Argument zFmt is a printf() style format string. This function performs
|
| -** the printf() style processing, then appends the results to buffer pBuf.
|
| -**
|
| -** Like sqlite3Fts5BufferAppendString(), this function ensures that the byte
|
| -** following the buffer data is set to 0x00, even though this byte is not
|
| -** included in the pBuf->n count.
|
| -*/
|
| -void sqlite3Fts5BufferAppendPrintf(
|
| - int *pRc,
|
| - Fts5Buffer *pBuf,
|
| - char *zFmt, ...
|
| -){
|
| - if( *pRc==SQLITE_OK ){
|
| - char *zTmp;
|
| - va_list ap;
|
| - va_start(ap, zFmt);
|
| - zTmp = sqlite3_vmprintf(zFmt, ap);
|
| - va_end(ap);
|
| -
|
| - if( zTmp==0 ){
|
| - *pRc = SQLITE_NOMEM;
|
| - }else{
|
| - sqlite3Fts5BufferAppendString(pRc, pBuf, zTmp);
|
| - sqlite3_free(zTmp);
|
| - }
|
| - }
|
| -}
|
| -
|
| -char *sqlite3Fts5Mprintf(int *pRc, const char *zFmt, ...){
|
| - char *zRet = 0;
|
| - if( *pRc==SQLITE_OK ){
|
| - va_list ap;
|
| - va_start(ap, zFmt);
|
| - zRet = sqlite3_vmprintf(zFmt, ap);
|
| - va_end(ap);
|
| - if( zRet==0 ){
|
| - *pRc = SQLITE_NOMEM;
|
| - }
|
| - }
|
| - return zRet;
|
| -}
|
| -
|
| -
|
| -/*
|
| -** Free any buffer allocated by pBuf. Zero the structure before returning.
|
| -*/
|
| -void sqlite3Fts5BufferFree(Fts5Buffer *pBuf){
|
| - sqlite3_free(pBuf->p);
|
| - memset(pBuf, 0, sizeof(Fts5Buffer));
|
| -}
|
| -
|
| -/*
|
| -** Zero the contents of the buffer object. But do not free the associated
|
| -** memory allocation.
|
| -*/
|
| -void sqlite3Fts5BufferZero(Fts5Buffer *pBuf){
|
| - pBuf->n = 0;
|
| -}
|
| -
|
| -/*
|
| -** Set the buffer to contain nData/pData. If an OOM error occurs, leave an
|
| -** the error code in p. If an error has already occurred when this function
|
| -** is called, it is a no-op.
|
| -*/
|
| -void sqlite3Fts5BufferSet(
|
| - int *pRc,
|
| - Fts5Buffer *pBuf,
|
| - int nData,
|
| - const u8 *pData
|
| -){
|
| - pBuf->n = 0;
|
| - sqlite3Fts5BufferAppendBlob(pRc, pBuf, nData, pData);
|
| -}
|
| -
|
| -int sqlite3Fts5PoslistNext64(
|
| - const u8 *a, int n, /* Buffer containing poslist */
|
| - int *pi, /* IN/OUT: Offset within a[] */
|
| - i64 *piOff /* IN/OUT: Current offset */
|
| -){
|
| - int i = *pi;
|
| - if( i>=n ){
|
| - /* EOF */
|
| - *piOff = -1;
|
| - return 1;
|
| - }else{
|
| - i64 iOff = *piOff;
|
| - int iVal;
|
| - fts5FastGetVarint32(a, i, iVal);
|
| - if( iVal==1 ){
|
| - fts5FastGetVarint32(a, i, iVal);
|
| - iOff = ((i64)iVal) << 32;
|
| - fts5FastGetVarint32(a, i, iVal);
|
| - }
|
| - *piOff = iOff + (iVal-2);
|
| - *pi = i;
|
| - return 0;
|
| - }
|
| -}
|
| -
|
| -
|
| -/*
|
| -** Advance the iterator object passed as the only argument. Return true
|
| -** if the iterator reaches EOF, or false otherwise.
|
| -*/
|
| -int sqlite3Fts5PoslistReaderNext(Fts5PoslistReader *pIter){
|
| - if( sqlite3Fts5PoslistNext64(pIter->a, pIter->n, &pIter->i, &pIter->iPos) ){
|
| - pIter->bEof = 1;
|
| - }
|
| - return pIter->bEof;
|
| -}
|
| -
|
| -int sqlite3Fts5PoslistReaderInit(
|
| - const u8 *a, int n, /* Poslist buffer to iterate through */
|
| - Fts5PoslistReader *pIter /* Iterator object to initialize */
|
| -){
|
| - memset(pIter, 0, sizeof(*pIter));
|
| - pIter->a = a;
|
| - pIter->n = n;
|
| - sqlite3Fts5PoslistReaderNext(pIter);
|
| - return pIter->bEof;
|
| -}
|
| -
|
| -int sqlite3Fts5PoslistWriterAppend(
|
| - Fts5Buffer *pBuf,
|
| - Fts5PoslistWriter *pWriter,
|
| - i64 iPos
|
| -){
|
| - static const i64 colmask = ((i64)(0x7FFFFFFF)) << 32;
|
| - int rc = SQLITE_OK;
|
| - if( 0==fts5BufferGrow(&rc, pBuf, 5+5+5) ){
|
| - if( (iPos & colmask) != (pWriter->iPrev & colmask) ){
|
| - pBuf->p[pBuf->n++] = 1;
|
| - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos>>32));
|
| - pWriter->iPrev = (iPos & colmask);
|
| - }
|
| - pBuf->n += sqlite3Fts5PutVarint(&pBuf->p[pBuf->n], (iPos-pWriter->iPrev)+2);
|
| - pWriter->iPrev = iPos;
|
| - }
|
| - return rc;
|
| -}
|
| -
|
| -void *sqlite3Fts5MallocZero(int *pRc, int nByte){
|
| - void *pRet = 0;
|
| - if( *pRc==SQLITE_OK ){
|
| - pRet = sqlite3_malloc(nByte);
|
| - if( pRet==0 && nByte>0 ){
|
| - *pRc = SQLITE_NOMEM;
|
| - }else{
|
| - memset(pRet, 0, nByte);
|
| - }
|
| - }
|
| - return pRet;
|
| -}
|
| -
|
| -/*
|
| -** Return a nul-terminated copy of the string indicated by pIn. If nIn
|
| -** is non-negative, then it is the length of the string in bytes. Otherwise,
|
| -** the length of the string is determined using strlen().
|
| -**
|
| -** It is the responsibility of the caller to eventually free the returned
|
| -** buffer using sqlite3_free(). If an OOM error occurs, NULL is returned.
|
| -*/
|
| -char *sqlite3Fts5Strndup(int *pRc, const char *pIn, int nIn){
|
| - char *zRet = 0;
|
| - if( *pRc==SQLITE_OK ){
|
| - if( nIn<0 ){
|
| - nIn = (int)strlen(pIn);
|
| - }
|
| - zRet = (char*)sqlite3_malloc(nIn+1);
|
| - if( zRet ){
|
| - memcpy(zRet, pIn, nIn);
|
| - zRet[nIn] = '\0';
|
| - }else{
|
| - *pRc = SQLITE_NOMEM;
|
| - }
|
| - }
|
| - return zRet;
|
| -}
|
| -
|
| -
|
| -/*
|
| -** Return true if character 't' may be part of an FTS5 bareword, or false
|
| -** otherwise. Characters that may be part of barewords:
|
| -**
|
| -** * All non-ASCII characters,
|
| -** * The 52 upper and lower case ASCII characters, and
|
| -** * The 10 integer ASCII characters.
|
| -** * The underscore character "_" (0x5F).
|
| -** * The unicode "subsitute" character (0x1A).
|
| -*/
|
| -int sqlite3Fts5IsBareword(char t){
|
| - u8 aBareword[128] = {
|
| - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x00 .. 0x0F */
|
| - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, /* 0x10 .. 0x1F */
|
| - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x20 .. 0x2F */
|
| - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, /* 0x30 .. 0x3F */
|
| - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x40 .. 0x4F */
|
| - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, /* 0x50 .. 0x5F */
|
| - 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, /* 0x60 .. 0x6F */
|
| - 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0 /* 0x70 .. 0x7F */
|
| - };
|
| -
|
| - return (t & 0x80) || aBareword[(int)t];
|
| -}
|
| -
|
| -
|
|
|