106 static int memdbRead(sqlite3_file*, void*, int iAmt, sqlite3_int64 iOfst);
107 static int memdbWrite(sqlite3_file*,const void*,int iAmt, sqlite3_int64 iOfst);
116 static int memdbFetch(sqlite3_file*, sqlite3_int64 iOfst, int iAmt, void **pp);
254   int iAmt,   in memdbRead()  argument
259   if( iOfst+iAmt>p->sz ){  in memdbRead()
260     memset(zBuf, 0, iAmt);  in memdbRead()
265   memcpy(zBuf, p->aData+iOfst, iAmt);  in memdbRead()
296   int iAmt,  in memdbWrite()  argument
307   if( iOfst+iAmt>p->sz ){  in memdbWrite()
309     if( iOfst+iAmt>p->szAlloc  in memdbWrite()
310      && (rc = memdbEnlarge(p, iOfst+iAmt))!=SQLITE_OK  in memdbWrite()
316     p->sz = iOfst+iAmt;  in memdbWrite()
318   memcpy(p->aData+iOfst, z, iAmt);  in memdbWrite()
470   int iAmt,  in memdbFetch()  argument
475   if( iOfst+iAmt>p->sz || (p->mFlags & SQLITE_DESERIALIZE_RESIZEABLE)!=0 ){  in memdbFetch()