Fossil

# define shell_read_history(X)
# define shell_write_history(X)
# define shell_stifle_history(X)

# define SHELL_USE_LOCAL_GETLINE 1
#endif

#ifndef deliberate_fall_through
/* Quiet some compilers about some of our intentional code. */
# if GCC_VERSION>=7000000
#  define deliberate_fall_through __attribute__((fallthrough));
# else
#  define deliberate_fall_through
# endif
#endif

#if defined(_WIN32) || defined(WIN32)
# if SQLITE_OS_WINRT
#  define SQLITE_OMIT_POPEN 1
# else
#  include <io.h>
#  include <fcntl.h>

**   .prompt main continue
*/
#define PROMPT_LEN_MAX 20
/* First line prompt.   default: "sqlite> " */
static char mainPrompt[PROMPT_LEN_MAX];
/* Continuation prompt. default: "   ...> " */
static char continuePrompt[PROMPT_LEN_MAX];

/* This is variant of the standard-library strncpy() routine with the
** one change that the destination string is always zero-terminated, even
** if there is no zero-terminator in the first n-1 characters of the source
** string.
*/
static char *shell_strncpy(char *dest, const char *src, size_t n){
  size_t i;
  for(i=0; i<n-1 && src[i]!=0; i++) dest[i] = src[i];
  dest[i] = 0;
  return dest;
}

/*
** Optionally disable dynamic continuation prompt.
** Unless disabled, the continuation prompt shows open SQL lexemes if any,
** or open parentheses level if non-zero, or continuation prompt as set.
** This facility interacts with the scanner and process_input() where the
** below 5 macros are used.

  }else{
    if( dynPrompt.zScannerAwaits ){
      size_t ncp = strlen(continuePrompt);
      size_t ndp = strlen(dynPrompt.zScannerAwaits);
      if( ndp > ncp-3 ) return continuePrompt;
      strcpy(dynPrompt.dynamicPrompt, dynPrompt.zScannerAwaits);
      while( ndp<3 ) dynPrompt.dynamicPrompt[ndp++] = ' ';
      shell_strncpy(dynPrompt.dynamicPrompt+3, continuePrompt+3,
              PROMPT_LEN_MAX-4);
    }else{
      if( dynPrompt.inParenLevel>9 ){
        shell_strncpy(dynPrompt.dynamicPrompt, "(..", 4);
      }else if( dynPrompt.inParenLevel<0 ){
        shell_strncpy(dynPrompt.dynamicPrompt, ")x!", 4);
      }else{
        shell_strncpy(dynPrompt.dynamicPrompt, "(x.", 4);
        dynPrompt.dynamicPrompt[2] = (char)('0'+dynPrompt.inParenLevel);
      }
      shell_strncpy(dynPrompt.dynamicPrompt+3, continuePrompt+3, PROMPT_LEN_MAX-4);
    }
  }
  return dynPrompt.dynamicPrompt;
}
#endif /* !defined(SQLITE_OMIT_DYNAPROMPT) */

/*

** Win32: gcc -O2 -shared -I%SQDIR% -o base64.dll base64.c
** Win32: cl /Os -I%SQDIR% base64.c -link -dll -out:base64.dll
*/

#include <assert.h>

/* #include "sqlite3ext.h" */

#ifndef deliberate_fall_through
/* Quiet some compilers about some of our intentional code. */
# if GCC_VERSION>=7000000
#  define deliberate_fall_through __attribute__((fallthrough));
# else
#  define deliberate_fall_through
# endif
#endif

SQLITE_EXTENSION_INIT1;

#define PC 0x80 /* pad character */
#define WS 0x81 /* whitespace */
#define ND 0x82 /* Not above or digit-value */
#define PAD_CHAR '='

    for( nac=0; nac<4; ++nac ){
      char c = (nac<nti)? *pIn++ : b64Numerals[0];
      u8 bdp = BX_DV_PROTO(c);
      switch( bdp ){
      case ND:
        /*  Treat dark non-digits as pad, but they terminate decode too. */
        ncIn = 0;
        deliberate_fall_through;
      case WS:
        /* Treat whitespace as pad and terminate this group.*/
        nti = nac;
        deliberate_fall_through;
      case PC:
        bdp = 0;
        --nbo;
        deliberate_fall_through;
      default: /* bdp is the digit value. */
        qv = qv<<6 | bdp;
        break;
      }
    }
    switch( nbo ){
    case 3:

    if( rc!=SQLITE_OK ) return rc;
    bInMemory = 1;
  }else{
    zFile = (const char*)sqlite3_value_text(argv[0]);
  }

  if( 0==pTab->pWriteFd && 0==bInMemory ){
    pCsr->pFile = zFile ? fopen(zFile, "rb") : 0;
    if( pCsr->pFile==0 ){
      zipfileCursorErr(pCsr, "cannot open file: %s", zFile);
      rc = SQLITE_ERROR;
    }else{
      rc = zipfileReadEOCD(pTab, 0, 0, pCsr->pFile, &pCsr->eocd);
      if( rc==SQLITE_OK ){
        if( pCsr->eocd.nEntry==0 ){

  sz = sqlite3_value_int(argv[1]);

  if( sz<=0 || sz==(nData = sqlite3_value_bytes(argv[0])) ){
    sqlite3_result_value(context, argv[0]);
  }else{
    const Bytef *pData= sqlite3_value_blob(argv[0]);
    Bytef *pOut = sqlite3_malloc(sz);
    if( pOut==0 ){
      sqlite3_result_error_nomem(context);
    }else if( Z_OK!=uncompress(pOut, &sz, pData, nData) ){
      sqlite3_result_error(context, "error in uncompress()", -1);
    }else{
      sqlite3_result_blob(context, pOut, sz, SQLITE_TRANSIENT);
    }
    sqlite3_free(pOut);
  }
}


#ifdef _WIN32

#endif
int sqlite3_sqlar_init(
  sqlite3 *db, 
  char **pzErrMsg, 

  "   --limit N                 Interrupt after N progress callbacks",
  "   --once                    Do no more than one progress interrupt",
  "   --quiet|-q                No output except at interrupts",
  "   --reset                   Reset the count for each input and interrupt",
#endif
  ".prompt MAIN CONTINUE    Replace the standard prompts",
#ifndef SQLITE_SHELL_FIDDLE
  ".quit                    Stop interpreting input stream, exit if primary.",
  ".read FILE               Read input from FILE or command output",
  "    If FILE begins with \"|\", it is a command that generates the input.",
#endif
#if SQLITE_SHELL_HAVE_RECOVER
  ".recover                 Recover as much data as possible from corrupt db.",
  "   --ignore-freelist        Ignore pages that appear to be on db freelist",
  "   --lost-and-found TABLE   Alternative name for the lost-and-found table",

      pAr->bGlob = 1;
      break;
    case AR_SWITCH_VERBOSE:
      pAr->bVerbose = 1;
      break;
    case AR_SWITCH_APPEND:
      pAr->bAppend = 1;
      deliberate_fall_through;
    case AR_SWITCH_FILE:
      pAr->zFile = zArg;
      break;
    case AR_SWITCH_DIRECTORY:
      pAr->zDir = zArg;
      break;
  }

    open_db(p, 0);
    sqlite3_progress_handler(p->db, nn, progress_handler, p);
  }else
#endif /* SQLITE_OMIT_PROGRESS_CALLBACK */

  if( c=='p' && cli_strncmp(azArg[0], "prompt", n)==0 ){
    if( nArg >= 2) {
      shell_strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
    }
    if( nArg >= 3) {
      shell_strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
    }
  }else

#ifndef SQLITE_SHELL_FIDDLE
  if( c=='q' && cli_strncmp(azArg[0], "quit", n)==0 ){
    rc = 2;
  }else

          CONTINUE_PROMPT_AWAITS(pst, "/*");
          qss = QSS_SETV(qss, cWait);
          goto TermScan;
        }
        break;
      case '[':
        cin = ']';
        deliberate_fall_through;
      case '`': case '\'': case '"':
        cWait = cin;
        qss = QSS_HasDark | cWait;
        CONTINUE_PROMPT_AWAITC(pst, cin);
        goto TermScan;
      case '(':
        CONTINUE_PAREN_INCR(pst, 1);

          goto PlainScan;
        case '`': case '\'': case '"':
          if(*zLine==cWait){
            /* Swallow doubled end-delimiter.*/
            ++zLine;
            continue;
          }
          deliberate_fall_through;
        case ']':
          cWait = 0;
          CONTINUE_PROMPT_AWAITC(pst, 0);
          qss = QSS_SETV(qss, 0);
          goto PlainScan;
        default: assert(0);
        }