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]; |
-} |
- |
- |