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Changes In Branch tclsqlite-cleanup Excluding Merge-Ins

This is equivalent to a diff from eaeeb09d4a to ea2fa9ab9b

2017-10-13
16:19
Move a bunch of unrelated test code out of tclsqlite.c and into test_*.c files. There is still some test code in tclsqlite.c, but the amount is greatly reduced. (check-in: a9c4bc88fc user: drh tags: trunk)
16:01
The db_use_legacy_prepare command no longer exists. Use the undocumented -use-legacy-prepare option to DB version instead. (Closed-Leaf check-in: ea2fa9ab9b user: drh tags: tclsqlite-cleanup)
15:56
When compiling with SQLITE_TEST, extra options are available on the "DB version" command for controlling the internal state of the SqliteDb object, for testing purposes. (check-in: bf86478d9c user: drh tags: tclsqlite-cleanup)
15:06
Move some test logic out of tclsqlite.c and into auxiliary test_*.c files. This is a work in progress. (check-in: 95b7687fed user: drh tags: tclsqlite-cleanup)
2017-10-12
20:37
Add the sqlite_dbpage virtual table (enabled using SQLITE_ENABLE_DBPAGE_VTAB). Make that virtual table and dbstat available to the command-line shell. (check-in: eaeeb09d4a user: drh tags: trunk)
19:50
Create the new ext/repair folder and move checkfreelist.c there. Remove checkfreelist.c from the command-line shell (undoing check-in [48418f2e]). (Closed-Leaf check-in: dfdebd12bf user: drh tags: dbpage)
13:47
The src/shell.c file is now generated from src/shell.c.in, so remove shell.c from version control and update the makefiles to build it automatically. (check-in: 36acc0a97f user: drh tags: trunk)

Changes to Makefile.in.

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+







  $(TOP)/src/test_fs.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_init.c \
  $(TOP)/src/test_intarray.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \
  $(TOP)/src/test_md5.c \
  $(TOP)/src/test_multiplex.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_quota.c \
  $(TOP)/src/test_rtree.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_superlock.c \
  $(TOP)/src/test_syscall.c \
  $(TOP)/src/test_tclsh.c \
  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_windirent.c \
  $(TOP)/src/test_wsd.c       \
  $(TOP)/ext/fts3/fts3_term.c \
  $(TOP)/ext/fts3/fts3_test.c  \
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#
TESTFIXTURE_FLAGS  = -DTCLSH=1 -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE 
TESTFIXTURE_FLAGS += -DBUILD_sqlite
TESTFIXTURE_FLAGS += -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS += -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_STMTVTAB
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_DBPAGE_VTAB

TESTFIXTURE_SRC0 = $(TESTSRC2) libsqlite3.la
TESTFIXTURE_SRC1 = sqlite3.c
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)/src/tclsqlite.c
TESTFIXTURE_SRC += $(TESTFIXTURE_SRC$(USE_AMALGAMATION))

testfixture$(TEXE):	$(TESTFIXTURE_SRC)

Changes to Makefile.msc.

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  $(TOP)\src\test_fs.c \
  $(TOP)\src\test_func.c \
  $(TOP)\src\test_hexio.c \
  $(TOP)\src\test_init.c \
  $(TOP)\src\test_intarray.c \
  $(TOP)\src\test_journal.c \
  $(TOP)\src\test_malloc.c \
  $(TOP)\src\test_md5.c \
  $(TOP)\src\test_multiplex.c \
  $(TOP)\src\test_mutex.c \
  $(TOP)\src\test_onefile.c \
  $(TOP)\src\test_osinst.c \
  $(TOP)\src\test_pcache.c \
  $(TOP)\src\test_quota.c \
  $(TOP)\src\test_rtree.c \
  $(TOP)\src\test_schema.c \
  $(TOP)\src\test_server.c \
  $(TOP)\src\test_superlock.c \
  $(TOP)\src\test_syscall.c \
  $(TOP)\src\test_tclsh.c \
  $(TOP)\src\test_tclvar.c \
  $(TOP)\src\test_thread.c \
  $(TOP)\src\test_vfs.c \
  $(TOP)\src\test_windirent.c \
  $(TOP)\src\test_wsd.c \
  $(TOP)\ext\fts3\fts3_term.c \
  $(TOP)\ext\fts3\fts3_test.c \
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#
TESTFIXTURE_FLAGS = -DTCLSH=1 -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_SERVER=1 -DSQLITE_PRIVATE=""
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_CORE $(NO_WARN)
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_ENABLE_STMTVTAB
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) -DSQLITE_ENABLE_DBPAGE_VTAB
TESTFIXTURE_FLAGS = $(TESTFIXTURE_FLAGS) $(TEST_CCONV_OPTS)

TESTFIXTURE_SRC0 = $(TESTEXT) $(TESTSRC2)
TESTFIXTURE_SRC1 = $(TESTEXT) $(SQLITE3C)
!IF $(USE_AMALGAMATION)==0
TESTFIXTURE_SRC = $(TESTSRC) $(TOP)\src\tclsqlite.c $(TESTFIXTURE_SRC0)
!ELSE

Changes to main.mk.

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+







  $(TOP)/src/test_fs.c \
  $(TOP)/src/test_func.c \
  $(TOP)/src/test_hexio.c \
  $(TOP)/src/test_init.c \
  $(TOP)/src/test_intarray.c \
  $(TOP)/src/test_journal.c \
  $(TOP)/src/test_malloc.c \
  $(TOP)/src/test_md5.c \
  $(TOP)/src/test_multiplex.c \
  $(TOP)/src/test_mutex.c \
  $(TOP)/src/test_onefile.c \
  $(TOP)/src/test_osinst.c \
  $(TOP)/src/test_pcache.c \
  $(TOP)/src/test_quota.c \
  $(TOP)/src/test_rtree.c \
  $(TOP)/src/test_schema.c \
  $(TOP)/src/test_server.c \
  $(TOP)/src/test_sqllog.c \
  $(TOP)/src/test_superlock.c \
  $(TOP)/src/test_syscall.c \
  $(TOP)/src/test_tclsh.c \
  $(TOP)/src/test_tclvar.c \
  $(TOP)/src/test_thread.c \
  $(TOP)/src/test_vfs.c \
  $(TOP)/src/test_windirent.c \
  $(TOP)/src/test_wsd.c

# Extensions to be statically loaded.
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# Rules to build the 'testfixture' application.
#
TESTFIXTURE_FLAGS  = -DSQLITE_TEST=1 -DSQLITE_CRASH_TEST=1
TESTFIXTURE_FLAGS += -DSQLITE_SERVER=1 -DSQLITE_PRIVATE="" -DSQLITE_CORE
TESTFIXTURE_FLAGS += -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
TESTFIXTURE_FLAGS += -DSQLITE_DEFAULT_PAGE_SIZE=1024
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_STMTVTAB
TESTFIXTURE_FLAGS += -DSQLITE_ENABLE_DBPAGE_VTAB

testfixture$(EXE): $(TESTSRC2) libsqlite3.a $(TESTSRC) $(TOP)/src/tclsqlite.c
	$(TCCX) $(TCL_FLAGS) -DTCLSH=1 $(TESTFIXTURE_FLAGS)                  \
		$(TESTSRC) $(TESTSRC2) $(TOP)/src/tclsqlite.c                \
		-o testfixture$(EXE) $(LIBTCL) libsqlite3.a $(THREADLIB)

amalgamation-testfixture$(EXE): sqlite3.c $(TESTSRC) $(TOP)/src/tclsqlite.c  \

Changes to src/tclsqlite.c.

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  }

  /*    $db version
  **
  ** Return the version string for this database.
  */
  case DB_VERSION: {
    int i;
    for(i=2; i<objc; i++){
      const char *zArg = Tcl_GetString(objv[i]);
      /* Optional arguments to $db version are used for testing purpose */
#ifdef SQLITE_TEST
      /* $db version -use-legacy-prepare BOOLEAN
      **
      ** Turn the use of legacy sqlite3_prepare() on or off.
      */
      if( strcmp(zArg, "-use-legacy-prepare")==0 && i+1<objc ){
        i++;
        if( Tcl_GetBooleanFromObj(interp, objv[i], &pDb->bLegacyPrepare) ){
          return TCL_ERROR;
        }
      }else

      /* $db version -last-stmt-ptr
      **
      ** Return a string which is a hex encoding of the pointer to the
      ** most recent sqlite3_stmt in the statement cache.
      */
      if( strcmp(zArg, "-last-stmt-ptr")==0 ){
        char zBuf[100];
        sqlite3_snprintf(sizeof(zBuf), zBuf, "%p",
                         pDb->stmtList ? pDb->stmtList->pStmt: 0);
        Tcl_SetResult(interp, zBuf, TCL_VOLATILE);
      }else
#endif /* SQLITE_TEST */
      {
        Tcl_AppendResult(interp, "unknown argument: ", zArg, (char*)0);
        return TCL_ERROR;
      }
    }
    if( i==2 ){   
    Tcl_SetResult(interp, (char *)sqlite3_libversion(), TCL_STATIC);
      Tcl_SetResult(interp, (char *)sqlite3_libversion(), TCL_STATIC);
    }
    break;
  }


  } /* End of the SWITCH statement */
  return rc;
}
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#ifndef SQLITE_3_SUFFIX_ONLY
int Sqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
int Tclsqlite_Init(Tcl_Interp *interp){ return Sqlite3_Init(interp); }
int Sqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
int Tclsqlite_Unload(Tcl_Interp *interp, int flags){ return TCL_OK; }
#endif

#ifdef TCLSH
/*****************************************************************************
** All of the code that follows is used to build standalone TCL interpreters
** that are statically linked with SQLite.  Enable these by compiling
** with -DTCLSH=n where n can be 1 or 2.  An n of 1 generates a standard
** tclsh but with SQLite built in.  An n of 2 generates the SQLite space
** analysis program.
*/

#if defined(SQLITE_TEST) || defined(SQLITE_TCLMD5)
/*
 * This code implements the MD5 message-digest algorithm.
 * The algorithm is due to Ron Rivest.  This code was
 * written by Colin Plumb in 1993, no copyright is claimed.
 * This code is in the public domain; do with it what you wish.
 *
 * Equivalent code is available from RSA Data Security, Inc.
 * This code has been tested against that, and is equivalent,
 * except that you don't need to include two pages of legalese
 * with every copy.
 *
 * To compute the message digest of a chunk of bytes, declare an
 * MD5Context structure, pass it to MD5Init, call MD5Update as
 * needed on buffers full of bytes, and then call MD5Final, which
 * will fill a supplied 16-byte array with the digest.
 */

** If the TCLSH macro is defined to be either 1 or 2, then a main()
/*
 * If compiled on a machine that doesn't have a 32-bit integer,
 * you just set "uint32" to the appropriate datatype for an
 * unsigned 32-bit integer.  For example:
 *
 *       cc -Duint32='unsigned long' md5.c
 *
 */
#ifndef uint32
#  define uint32 unsigned int
#endif

** routine is inserted that starts up a Tcl interpreter.  When TCLSH==1
struct MD5Context {
  int isInit;
  uint32 buf[4];
  uint32 bits[2];
  unsigned char in[64];
};
typedef struct MD5Context MD5Context;

** the interpreter works like an ordinary tclsh.  When TCLSH==2 then the
/*
 * Note: this code is harmless on little-endian machines.
 */
static void byteReverse (unsigned char *buf, unsigned longs){
        uint32 t;
        do {
                t = (uint32)((unsigned)buf[3]<<8 | buf[2]) << 16 |
                            ((unsigned)buf[1]<<8 | buf[0]);
                *(uint32 *)buf = t;
                buf += 4;
        } while (--longs);
}
/* The four core functions - F1 is optimized somewhat */

** startup script is supplied by an routine named "tclsh_main_loop()"
/* #define F1(x, y, z) (x & y | ~x & z) */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
        ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )

/*
 * The core of the MD5 algorithm, this alters an existing MD5 hash to
 * reflect the addition of 16 longwords of new data.  MD5Update blocks
 * the data and converts bytes into longwords for this routine.
 */
static void MD5Transform(uint32 buf[4], const uint32 in[16]){
        register uint32 a, b, c, d;

        a = buf[0];
        b = buf[1];
        c = buf[2];
        d = buf[3];

        MD5STEP(F1, a, b, c, d, in[ 0]+0xd76aa478,  7);
        MD5STEP(F1, d, a, b, c, in[ 1]+0xe8c7b756, 12);
        MD5STEP(F1, c, d, a, b, in[ 2]+0x242070db, 17);
        MD5STEP(F1, b, c, d, a, in[ 3]+0xc1bdceee, 22);
        MD5STEP(F1, a, b, c, d, in[ 4]+0xf57c0faf,  7);
        MD5STEP(F1, d, a, b, c, in[ 5]+0x4787c62a, 12);
        MD5STEP(F1, c, d, a, b, in[ 6]+0xa8304613, 17);
        MD5STEP(F1, b, c, d, a, in[ 7]+0xfd469501, 22);
        MD5STEP(F1, a, b, c, d, in[ 8]+0x698098d8,  7);
        MD5STEP(F1, d, a, b, c, in[ 9]+0x8b44f7af, 12);
        MD5STEP(F1, c, d, a, b, in[10]+0xffff5bb1, 17);
        MD5STEP(F1, b, c, d, a, in[11]+0x895cd7be, 22);
        MD5STEP(F1, a, b, c, d, in[12]+0x6b901122,  7);
        MD5STEP(F1, d, a, b, c, in[13]+0xfd987193, 12);
        MD5STEP(F1, c, d, a, b, in[14]+0xa679438e, 17);
        MD5STEP(F1, b, c, d, a, in[15]+0x49b40821, 22);

        MD5STEP(F2, a, b, c, d, in[ 1]+0xf61e2562,  5);
        MD5STEP(F2, d, a, b, c, in[ 6]+0xc040b340,  9);
        MD5STEP(F2, c, d, a, b, in[11]+0x265e5a51, 14);
        MD5STEP(F2, b, c, d, a, in[ 0]+0xe9b6c7aa, 20);
        MD5STEP(F2, a, b, c, d, in[ 5]+0xd62f105d,  5);
        MD5STEP(F2, d, a, b, c, in[10]+0x02441453,  9);
        MD5STEP(F2, c, d, a, b, in[15]+0xd8a1e681, 14);
        MD5STEP(F2, b, c, d, a, in[ 4]+0xe7d3fbc8, 20);
        MD5STEP(F2, a, b, c, d, in[ 9]+0x21e1cde6,  5);
        MD5STEP(F2, d, a, b, c, in[14]+0xc33707d6,  9);
        MD5STEP(F2, c, d, a, b, in[ 3]+0xf4d50d87, 14);
        MD5STEP(F2, b, c, d, a, in[ 8]+0x455a14ed, 20);
        MD5STEP(F2, a, b, c, d, in[13]+0xa9e3e905,  5);
        MD5STEP(F2, d, a, b, c, in[ 2]+0xfcefa3f8,  9);
        MD5STEP(F2, c, d, a, b, in[ 7]+0x676f02d9, 14);
        MD5STEP(F2, b, c, d, a, in[12]+0x8d2a4c8a, 20);

        MD5STEP(F3, a, b, c, d, in[ 5]+0xfffa3942,  4);
        MD5STEP(F3, d, a, b, c, in[ 8]+0x8771f681, 11);
        MD5STEP(F3, c, d, a, b, in[11]+0x6d9d6122, 16);
        MD5STEP(F3, b, c, d, a, in[14]+0xfde5380c, 23);
        MD5STEP(F3, a, b, c, d, in[ 1]+0xa4beea44,  4);
        MD5STEP(F3, d, a, b, c, in[ 4]+0x4bdecfa9, 11);
        MD5STEP(F3, c, d, a, b, in[ 7]+0xf6bb4b60, 16);
        MD5STEP(F3, b, c, d, a, in[10]+0xbebfbc70, 23);
        MD5STEP(F3, a, b, c, d, in[13]+0x289b7ec6,  4);
        MD5STEP(F3, d, a, b, c, in[ 0]+0xeaa127fa, 11);
        MD5STEP(F3, c, d, a, b, in[ 3]+0xd4ef3085, 16);
        MD5STEP(F3, b, c, d, a, in[ 6]+0x04881d05, 23);
        MD5STEP(F3, a, b, c, d, in[ 9]+0xd9d4d039,  4);
        MD5STEP(F3, d, a, b, c, in[12]+0xe6db99e5, 11);
        MD5STEP(F3, c, d, a, b, in[15]+0x1fa27cf8, 16);
        MD5STEP(F3, b, c, d, a, in[ 2]+0xc4ac5665, 23);

        MD5STEP(F4, a, b, c, d, in[ 0]+0xf4292244,  6);
        MD5STEP(F4, d, a, b, c, in[ 7]+0x432aff97, 10);
        MD5STEP(F4, c, d, a, b, in[14]+0xab9423a7, 15);
        MD5STEP(F4, b, c, d, a, in[ 5]+0xfc93a039, 21);
        MD5STEP(F4, a, b, c, d, in[12]+0x655b59c3,  6);
        MD5STEP(F4, d, a, b, c, in[ 3]+0x8f0ccc92, 10);
        MD5STEP(F4, c, d, a, b, in[10]+0xffeff47d, 15);
        MD5STEP(F4, b, c, d, a, in[ 1]+0x85845dd1, 21);
        MD5STEP(F4, a, b, c, d, in[ 8]+0x6fa87e4f,  6);
        MD5STEP(F4, d, a, b, c, in[15]+0xfe2ce6e0, 10);
        MD5STEP(F4, c, d, a, b, in[ 6]+0xa3014314, 15);
        MD5STEP(F4, b, c, d, a, in[13]+0x4e0811a1, 21);
        MD5STEP(F4, a, b, c, d, in[ 4]+0xf7537e82,  6);
        MD5STEP(F4, d, a, b, c, in[11]+0xbd3af235, 10);
        MD5STEP(F4, c, d, a, b, in[ 2]+0x2ad7d2bb, 15);
        MD5STEP(F4, b, c, d, a, in[ 9]+0xeb86d391, 21);

        buf[0] += a;
        buf[1] += b;
        buf[2] += c;
        buf[3] += d;
}

/*
 * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
 * initialization constants.
 */
static void MD5Init(MD5Context *ctx){
        ctx->isInit = 1;
        ctx->buf[0] = 0x67452301;
        ctx->buf[1] = 0xefcdab89;
        ctx->buf[2] = 0x98badcfe;
        ctx->buf[3] = 0x10325476;
        ctx->bits[0] = 0;
        ctx->bits[1] = 0;
}

/*
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
static
void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
        uint32 t;

        /* Update bitcount */

        t = ctx->bits[0];
        if ((ctx->bits[0] = t + ((uint32)len << 3)) < t)
                ctx->bits[1]++; /* Carry from low to high */
        ctx->bits[1] += len >> 29;

        t = (t >> 3) & 0x3f;    /* Bytes already in shsInfo->data */

        /* Handle any leading odd-sized chunks */

        if ( t ) {
                unsigned char *p = (unsigned char *)ctx->in + t;

                t = 64-t;
                if (len < t) {
                        memcpy(p, buf, len);
                        return;
                }
                memcpy(p, buf, t);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += t;
                len -= t;
        }

        /* Process data in 64-byte chunks */

        while (len >= 64) {
                memcpy(ctx->in, buf, 64);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += 64;
                len -= 64;
        }

        /* Handle any remaining bytes of data. */

        memcpy(ctx->in, buf, len);
}

** that must be linked separately.  The TCLSH==2 technique is used to
/*
 * Final wrapup - pad to 64-byte boundary with the bit pattern
 * 1 0* (64-bit count of bits processed, MSB-first)
 */
static void MD5Final(unsigned char digest[16], MD5Context *ctx){
        unsigned count;
        unsigned char *p;

** generate stand-alone executables based on TCL, such as 
        /* Compute number of bytes mod 64 */
        count = (ctx->bits[0] >> 3) & 0x3F;

** sqlite3_analyzer.exe.
        /* Set the first char of padding to 0x80.  This is safe since there is
           always at least one byte free */
        p = ctx->in + count;
        *p++ = 0x80;

        /* Bytes of padding needed to make 64 bytes */
        count = 64 - 1 - count;

        /* Pad out to 56 mod 64 */
        if (count < 8) {
                /* Two lots of padding:  Pad the first block to 64 bytes */
                memset(p, 0, count);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);

                /* Now fill the next block with 56 bytes */
                memset(ctx->in, 0, 56);
        } else {
                /* Pad block to 56 bytes */
                memset(p, 0, count-8);
        }
        byteReverse(ctx->in, 14);

        /* Append length in bits and transform */
        memcpy(ctx->in + 14*4, ctx->bits, 8);

        MD5Transform(ctx->buf, (uint32 *)ctx->in);
        byteReverse((unsigned char *)ctx->buf, 4);
        memcpy(digest, ctx->buf, 16);
}

/*
** Convert a 128-bit MD5 digest into a 32-digit base-16 number.
*/
static void MD5DigestToBase16(unsigned char *digest, char *zBuf){
  static char const zEncode[] = "0123456789abcdef";
  int i, j;

#ifdef TCLSH
  for(j=i=0; i<16; i++){
    int a = digest[i];
    zBuf[j++] = zEncode[(a>>4)&0xf];
    zBuf[j++] = zEncode[a & 0xf];
  }
  zBuf[j] = 0;
}


/*
** Convert a 128-bit MD5 digest into sequency of eight 5-digit integers
** each representing 16 bits of the digest and separated from each
** other by a "-" character.
*/
static void MD5DigestToBase10x8(unsigned char digest[16], char zDigest[50]){
  int i, j;
  unsigned int x;
  for(i=j=0; i<16; i+=2){
    x = digest[i]*256 + digest[i+1];
    if( i>0 ) zDigest[j++] = '-';
    sqlite3_snprintf(50-j, &zDigest[j], "%05u", x);
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The
** Result is the hash in base64.
*/
static int SQLITE_TCLAPI md5_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  MD5Context ctx;
  unsigned char digest[16];
  char zBuf[50];
  void (*converter)(unsigned char*, char*);

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " TEXT\"", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  MD5Update(&ctx, (unsigned char*)argv[1], (unsigned)strlen(argv[1]));
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** A TCL command to take the md5 hash of a file.  The argument is the
** name of the file.
*/
static int SQLITE_TCLAPI md5file_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  FILE *in;
  int ofst;
  int amt;
  MD5Context ctx;
  void (*converter)(unsigned char*, char*);
  unsigned char digest[16];
  char zBuf[10240];

  if( argc!=2 && argc!=4 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " FILENAME [OFFSET AMT]\"", (char*)0);
    return TCL_ERROR;
  }
  if( argc==4 ){
    ofst = atoi(argv[2]);
    amt = atoi(argv[3]);
  }else{
    ofst = 0;
    amt = 2147483647;
  }
  in = fopen(argv[1],"rb");
  if( in==0 ){
    Tcl_AppendResult(interp,"unable to open file \"", argv[1],
         "\" for reading", (char*)0);
    return TCL_ERROR;
  }
  fseek(in, ofst, SEEK_SET);
  MD5Init(&ctx);
  while( amt>0 ){
    int n;
    n = (int)fread(zBuf, 1, sizeof(zBuf)<=amt ? sizeof(zBuf) : amt, in);
    if( n<=0 ) break;
    MD5Update(&ctx, (unsigned char*)zBuf, (unsigned)n);
    amt -= n;
  }
  fclose(in);
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** Register the four new TCL commands for generating MD5 checksums
** with the TCL interpreter.
*/
int Md5_Init(Tcl_Interp *interp){
  Tcl_CreateCommand(interp, "md5", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5-10x8", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase10x8, 0);
  Tcl_CreateCommand(interp, "md5file", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5file-10x8", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase10x8, 0);
  return TCL_OK;
}
#endif /* defined(SQLITE_TEST) || defined(SQLITE_TCLMD5) */

#if defined(SQLITE_TEST)
/*
** During testing, the special md5sum() aggregate function is available.
** inside SQLite.  The following routines implement that function.
*/
static void md5step(sqlite3_context *context, int argc, sqlite3_value **argv){
  MD5Context *p;
  int i;
  if( argc<1 ) return;
  p = sqlite3_aggregate_context(context, sizeof(*p));
  if( p==0 ) return;
  if( !p->isInit ){
    MD5Init(p);
  }
  for(i=0; i<argc; i++){
    const char *zData = (char*)sqlite3_value_text(argv[i]);
    if( zData ){
      MD5Update(p, (unsigned char*)zData, (int)strlen(zData));
    }
  }
}
static void md5finalize(sqlite3_context *context){
  MD5Context *p;
  unsigned char digest[16];
  char zBuf[33];
  p = sqlite3_aggregate_context(context, sizeof(*p));
  MD5Final(digest,p);
  MD5DigestToBase16(digest, zBuf);
  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
int Md5_Register(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pThunk
){
  int rc = sqlite3_create_function(db, "md5sum", -1, SQLITE_UTF8, 0, 0,
                                 md5step, md5finalize);
  sqlite3_overload_function(db, "md5sum", -1);  /* To exercise this API */
  return rc;
}
#endif /* defined(SQLITE_TEST) */


/*
** If the macro TCLSH is one, then put in code this for the
** "main" routine that will initialize Tcl and take input from
** standard input, or if a file is named on the command line
** the TCL interpreter reads and evaluates that file.
*/
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  return zMainloop;
}
#endif
#if TCLSH==2
static const char *tclsh_main_loop(void);
#endif

#ifdef SQLITE_TEST
static void init_all(Tcl_Interp *);
static int SQLITE_TCLAPI init_all_cmd(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){

  Tcl_Interp *slave;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "SLAVE");
    return TCL_ERROR;
  }

  slave = Tcl_GetSlave(interp, Tcl_GetString(objv[1]));
  if( !slave ){
    return TCL_ERROR;
  }

  init_all(slave);
  return TCL_OK;
}

/*
** Tclcmd: db_use_legacy_prepare DB BOOLEAN
**
**   The first argument to this command must be a database command created by
**   [sqlite3]. If the second argument is true, then the handle is configured
**   to use the sqlite3_prepare_v2() function to prepare statements. If it
**   is false, sqlite3_prepare().
*/
static int SQLITE_TCLAPI db_use_legacy_prepare_cmd(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  Tcl_CmdInfo cmdInfo;
  SqliteDb *pDb;
  int bPrepare;

  if( objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB BOOLEAN");
    return TCL_ERROR;
  }

  if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
    Tcl_AppendResult(interp, "no such db: ", Tcl_GetString(objv[1]), (char*)0);
    return TCL_ERROR;
  }
  pDb = (SqliteDb*)cmdInfo.objClientData;
  if( Tcl_GetBooleanFromObj(interp, objv[2], &bPrepare) ){
    return TCL_ERROR;
  }

  pDb->bLegacyPrepare = bPrepare;

  Tcl_ResetResult(interp);
  return TCL_OK;
}

/*
** Tclcmd: db_last_stmt_ptr DB
**
**   If the statement cache associated with database DB is not empty,
**   return the text representation of the most recently used statement
**   handle.
*/
static int SQLITE_TCLAPI db_last_stmt_ptr(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){
  extern int sqlite3TestMakePointerStr(Tcl_Interp*, char*, void*);
  Tcl_CmdInfo cmdInfo;
  SqliteDb *pDb;
  sqlite3_stmt *pStmt = 0;
  char zBuf[100];

  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB");
    return TCL_ERROR;
  }

  if( !Tcl_GetCommandInfo(interp, Tcl_GetString(objv[1]), &cmdInfo) ){
    Tcl_AppendResult(interp, "no such db: ", Tcl_GetString(objv[1]), (char*)0);
    return TCL_ERROR;
  }
  pDb = (SqliteDb*)cmdInfo.objClientData;

  if( pDb->stmtList ) pStmt = pDb->stmtList->pStmt;
  if( sqlite3TestMakePointerStr(interp, zBuf, pStmt) ){
    return TCL_ERROR;
  }
  Tcl_SetResult(interp, zBuf, TCL_VOLATILE);

  return TCL_OK;
}
#endif /* SQLITE_TEST */

/*
** Configure the interpreter passed as the first argument to have access
** to the commands and linked variables that make up:
**
**   * the [sqlite3] extension itself,
**
**   * If SQLITE_TCLMD5 or SQLITE_TEST is defined, the Md5 commands, and
**
**   * If SQLITE_TEST is set, the various test interfaces used by the Tcl
**     test suite.
*/
static void init_all(Tcl_Interp *interp){
  Sqlite3_Init(interp);

#if defined(SQLITE_TEST) || defined(SQLITE_TCLMD5)
  Md5_Init(interp);
#endif

#ifdef SQLITE_TEST
  {
    extern int Sqliteconfig_Init(Tcl_Interp*);
    extern int Sqlitetest1_Init(Tcl_Interp*);
    extern int Sqlitetest2_Init(Tcl_Interp*);
    extern int Sqlitetest3_Init(Tcl_Interp*);
    extern int Sqlitetest4_Init(Tcl_Interp*);
    extern int Sqlitetest5_Init(Tcl_Interp*);
    extern int Sqlitetest6_Init(Tcl_Interp*);
    extern int Sqlitetest7_Init(Tcl_Interp*);
    extern int Sqlitetest8_Init(Tcl_Interp*);
    extern int Sqlitetest9_Init(Tcl_Interp*);
    extern int Sqlitetestasync_Init(Tcl_Interp*);
    extern int Sqlitetest_autoext_Init(Tcl_Interp*);
    extern int Sqlitetest_blob_Init(Tcl_Interp*);
    extern int Sqlitetest_demovfs_Init(Tcl_Interp *);
    extern int Sqlitetest_func_Init(Tcl_Interp*);
    extern int Sqlitetest_hexio_Init(Tcl_Interp*);
    extern int Sqlitetest_init_Init(Tcl_Interp*);
    extern int Sqlitetest_malloc_Init(Tcl_Interp*);
    extern int Sqlitetest_mutex_Init(Tcl_Interp*);
    extern int Sqlitetestschema_Init(Tcl_Interp*);
    extern int Sqlitetestsse_Init(Tcl_Interp*);
    extern int Sqlitetesttclvar_Init(Tcl_Interp*);
    extern int Sqlitetestfs_Init(Tcl_Interp*);
    extern int SqlitetestThread_Init(Tcl_Interp*);
    extern int SqlitetestOnefile_Init();
    extern int SqlitetestOsinst_Init(Tcl_Interp*);
    extern int Sqlitetestbackup_Init(Tcl_Interp*);
    extern int Sqlitetestintarray_Init(Tcl_Interp*);
    extern int Sqlitetestvfs_Init(Tcl_Interp *);
    extern int Sqlitetestrtree_Init(Tcl_Interp*);
    extern int Sqlitequota_Init(Tcl_Interp*);
    extern int Sqlitemultiplex_Init(Tcl_Interp*);
    extern int SqliteSuperlock_Init(Tcl_Interp*);
    extern int SqlitetestSyscall_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
    extern int TestSession_Init(Tcl_Interp*);
#endif
    extern int Fts5tcl_Init(Tcl_Interp *);
    extern int SqliteRbu_Init(Tcl_Interp*);
    extern int Sqlitetesttcl_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
    extern int Sqlitetestfts3_Init(Tcl_Interp *interp);
#endif

#ifdef SQLITE_ENABLE_ZIPVFS
    extern int Zipvfs_Init(Tcl_Interp*);
    Zipvfs_Init(interp);
#endif

    Sqliteconfig_Init(interp);
    Sqlitetest1_Init(interp);
    Sqlitetest2_Init(interp);
    Sqlitetest3_Init(interp);
    Sqlitetest4_Init(interp);
    Sqlitetest5_Init(interp);
    Sqlitetest6_Init(interp);
    Sqlitetest7_Init(interp);
    Sqlitetest8_Init(interp);
    Sqlitetest9_Init(interp);
    Sqlitetestasync_Init(interp);
    Sqlitetest_autoext_Init(interp);
    Sqlitetest_blob_Init(interp);
    Sqlitetest_demovfs_Init(interp);
    Sqlitetest_func_Init(interp);
    Sqlitetest_hexio_Init(interp);
    Sqlitetest_init_Init(interp);
    Sqlitetest_malloc_Init(interp);
    Sqlitetest_mutex_Init(interp);
    Sqlitetestschema_Init(interp);
    Sqlitetesttclvar_Init(interp);
    Sqlitetestfs_Init(interp);
    SqlitetestThread_Init(interp);
    SqlitetestOnefile_Init();
    SqlitetestOsinst_Init(interp);
    Sqlitetestbackup_Init(interp);
    Sqlitetestintarray_Init(interp);
    Sqlitetestvfs_Init(interp);
    Sqlitetestrtree_Init(interp);
    Sqlitequota_Init(interp);
    Sqlitemultiplex_Init(interp);
    SqliteSuperlock_Init(interp);
    SqlitetestSyscall_Init(interp);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
    TestSession_Init(interp);
#endif
    Fts5tcl_Init(interp);
    SqliteRbu_Init(interp);
    Sqlitetesttcl_Init(interp);

#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
    Sqlitetestfts3_Init(interp);
#endif

    Tcl_CreateObjCommand(
        interp, "load_testfixture_extensions", init_all_cmd, 0, 0
    );
    Tcl_CreateObjCommand(
        interp, "db_use_legacy_prepare", db_use_legacy_prepare_cmd, 0, 0
    );
    Tcl_CreateObjCommand(
        interp, "db_last_stmt_ptr", db_last_stmt_ptr, 0, 0
    );

#ifdef SQLITE_SSE
    Sqlitetestsse_Init(interp);
#endif
  }
#endif
}

/* Needed for the setrlimit() system call on unix */
#if defined(unix)
#include <sys/resource.h>
#endif

#define TCLSH_MAIN main   /* Needed to fake out mktclapp */
int SQLITE_CDECL TCLSH_MAIN(int argc, char **argv){
  Tcl_Interp *interp;

#if !defined(_WIN32_WCE)
  if( getenv("BREAK") ){
    fprintf(stderr,
        "attach debugger to process %d and press any key to continue.\n",
        GETPID());
    fgetc(stdin);
  }
#endif

  /* Since the primary use case for this binary is testing of SQLite,
  ** be sure to generate core files if we crash */
#if defined(SQLITE_TEST) && defined(unix)
  { struct rlimit x;
    getrlimit(RLIMIT_CORE, &x);
    x.rlim_cur = x.rlim_max;
    setrlimit(RLIMIT_CORE, &x);
  }
#endif /* SQLITE_TEST && unix */


  /* Call sqlite3_shutdown() once before doing anything else. This is to
  ** test that sqlite3_shutdown() can be safely called by a process before
  ** sqlite3_initialize() is. */
  sqlite3_shutdown();

  Tcl_FindExecutable(argv[0]);
  Tcl_SetSystemEncoding(NULL, "utf-8");
  interp = Tcl_CreateInterp();

#if TCLSH==2
  sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
#endif

  /* Add extensions */
#if !defined(SQLITE_TEST)
  /* Normally we only initialize the TCL extension */
  init_all(interp);
  Sqlite3_Init(interp);
#else
  /* For testing, do lots of extra initialization */
  {
    extern void sqlite3InitTclTestLogic(Tcl_Interp*);
    sqlite3InitTclTestLogic(interp);
  }
#endif /* SQLITE_TEST */
  if( argc>=2 ){
    int i;
    char zArgc[32];
    sqlite3_snprintf(sizeof(zArgc), zArgc, "%d", argc-(3-TCLSH));
    Tcl_SetVar(interp,"argc", zArgc, TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv0",argv[1],TCL_GLOBAL_ONLY);
    Tcl_SetVar(interp,"argv", "", TCL_GLOBAL_ONLY);

Added src/test_md5.c.



































































































































































































































































































































































































































































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/*
** 2017-10-13
**
** 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.
**
*************************************************************************
**
** This file contains code to implement an MD5 extension to TCL.
*/
#include "sqlite3.h"
#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
# ifndef SQLITE_TCLAPI
#  define SQLITE_TCLAPI
# endif
#endif

/*
 * This code implements the MD5 message-digest algorithm.
 * The algorithm is due to Ron Rivest.  This code was
 * written by Colin Plumb in 1993, no copyright is claimed.
 * This code is in the public domain; do with it what you wish.
 *
 * Equivalent code is available from RSA Data Security, Inc.
 * This code has been tested against that, and is equivalent,
 * except that you don't need to include two pages of legalese
 * with every copy.
 *
 * To compute the message digest of a chunk of bytes, declare an
 * MD5Context structure, pass it to MD5Init, call MD5Update as
 * needed on buffers full of bytes, and then call MD5Final, which
 * will fill a supplied 16-byte array with the digest.
 */

/*
 * If compiled on a machine that doesn't have a 32-bit integer,
 * you just set "uint32" to the appropriate datatype for an
 * unsigned 32-bit integer.  For example:
 *
 *       cc -Duint32='unsigned long' md5.c
 *
 */
#ifndef uint32
#  define uint32 unsigned int
#endif

struct MD5Context {
  int isInit;
  uint32 buf[4];
  uint32 bits[2];
  unsigned char in[64];
};
typedef struct MD5Context MD5Context;

/*
 * Note: this code is harmless on little-endian machines.
 */
static void byteReverse (unsigned char *buf, unsigned longs){
        uint32 t;
        do {
                t = (uint32)((unsigned)buf[3]<<8 | buf[2]) << 16 |
                            ((unsigned)buf[1]<<8 | buf[0]);
                *(uint32 *)buf = t;
                buf += 4;
        } while (--longs);
}
/* The four core functions - F1 is optimized somewhat */

/* #define F1(x, y, z) (x & y | ~x & z) */
#define F1(x, y, z) (z ^ (x & (y ^ z)))
#define F2(x, y, z) F1(z, x, y)
#define F3(x, y, z) (x ^ y ^ z)
#define F4(x, y, z) (y ^ (x | ~z))

/* This is the central step in the MD5 algorithm. */
#define MD5STEP(f, w, x, y, z, data, s) \
        ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )

/*
 * The core of the MD5 algorithm, this alters an existing MD5 hash to
 * reflect the addition of 16 longwords of new data.  MD5Update blocks
 * the data and converts bytes into longwords for this routine.
 */
static void MD5Transform(uint32 buf[4], const uint32 in[16]){
        register uint32 a, b, c, d;

        a = buf[0];
        b = buf[1];
        c = buf[2];
        d = buf[3];

        MD5STEP(F1, a, b, c, d, in[ 0]+0xd76aa478,  7);
        MD5STEP(F1, d, a, b, c, in[ 1]+0xe8c7b756, 12);
        MD5STEP(F1, c, d, a, b, in[ 2]+0x242070db, 17);
        MD5STEP(F1, b, c, d, a, in[ 3]+0xc1bdceee, 22);
        MD5STEP(F1, a, b, c, d, in[ 4]+0xf57c0faf,  7);
        MD5STEP(F1, d, a, b, c, in[ 5]+0x4787c62a, 12);
        MD5STEP(F1, c, d, a, b, in[ 6]+0xa8304613, 17);
        MD5STEP(F1, b, c, d, a, in[ 7]+0xfd469501, 22);
        MD5STEP(F1, a, b, c, d, in[ 8]+0x698098d8,  7);
        MD5STEP(F1, d, a, b, c, in[ 9]+0x8b44f7af, 12);
        MD5STEP(F1, c, d, a, b, in[10]+0xffff5bb1, 17);
        MD5STEP(F1, b, c, d, a, in[11]+0x895cd7be, 22);
        MD5STEP(F1, a, b, c, d, in[12]+0x6b901122,  7);
        MD5STEP(F1, d, a, b, c, in[13]+0xfd987193, 12);
        MD5STEP(F1, c, d, a, b, in[14]+0xa679438e, 17);
        MD5STEP(F1, b, c, d, a, in[15]+0x49b40821, 22);

        MD5STEP(F2, a, b, c, d, in[ 1]+0xf61e2562,  5);
        MD5STEP(F2, d, a, b, c, in[ 6]+0xc040b340,  9);
        MD5STEP(F2, c, d, a, b, in[11]+0x265e5a51, 14);
        MD5STEP(F2, b, c, d, a, in[ 0]+0xe9b6c7aa, 20);
        MD5STEP(F2, a, b, c, d, in[ 5]+0xd62f105d,  5);
        MD5STEP(F2, d, a, b, c, in[10]+0x02441453,  9);
        MD5STEP(F2, c, d, a, b, in[15]+0xd8a1e681, 14);
        MD5STEP(F2, b, c, d, a, in[ 4]+0xe7d3fbc8, 20);
        MD5STEP(F2, a, b, c, d, in[ 9]+0x21e1cde6,  5);
        MD5STEP(F2, d, a, b, c, in[14]+0xc33707d6,  9);
        MD5STEP(F2, c, d, a, b, in[ 3]+0xf4d50d87, 14);
        MD5STEP(F2, b, c, d, a, in[ 8]+0x455a14ed, 20);
        MD5STEP(F2, a, b, c, d, in[13]+0xa9e3e905,  5);
        MD5STEP(F2, d, a, b, c, in[ 2]+0xfcefa3f8,  9);
        MD5STEP(F2, c, d, a, b, in[ 7]+0x676f02d9, 14);
        MD5STEP(F2, b, c, d, a, in[12]+0x8d2a4c8a, 20);

        MD5STEP(F3, a, b, c, d, in[ 5]+0xfffa3942,  4);
        MD5STEP(F3, d, a, b, c, in[ 8]+0x8771f681, 11);
        MD5STEP(F3, c, d, a, b, in[11]+0x6d9d6122, 16);
        MD5STEP(F3, b, c, d, a, in[14]+0xfde5380c, 23);
        MD5STEP(F3, a, b, c, d, in[ 1]+0xa4beea44,  4);
        MD5STEP(F3, d, a, b, c, in[ 4]+0x4bdecfa9, 11);
        MD5STEP(F3, c, d, a, b, in[ 7]+0xf6bb4b60, 16);
        MD5STEP(F3, b, c, d, a, in[10]+0xbebfbc70, 23);
        MD5STEP(F3, a, b, c, d, in[13]+0x289b7ec6,  4);
        MD5STEP(F3, d, a, b, c, in[ 0]+0xeaa127fa, 11);
        MD5STEP(F3, c, d, a, b, in[ 3]+0xd4ef3085, 16);
        MD5STEP(F3, b, c, d, a, in[ 6]+0x04881d05, 23);
        MD5STEP(F3, a, b, c, d, in[ 9]+0xd9d4d039,  4);
        MD5STEP(F3, d, a, b, c, in[12]+0xe6db99e5, 11);
        MD5STEP(F3, c, d, a, b, in[15]+0x1fa27cf8, 16);
        MD5STEP(F3, b, c, d, a, in[ 2]+0xc4ac5665, 23);

        MD5STEP(F4, a, b, c, d, in[ 0]+0xf4292244,  6);
        MD5STEP(F4, d, a, b, c, in[ 7]+0x432aff97, 10);
        MD5STEP(F4, c, d, a, b, in[14]+0xab9423a7, 15);
        MD5STEP(F4, b, c, d, a, in[ 5]+0xfc93a039, 21);
        MD5STEP(F4, a, b, c, d, in[12]+0x655b59c3,  6);
        MD5STEP(F4, d, a, b, c, in[ 3]+0x8f0ccc92, 10);
        MD5STEP(F4, c, d, a, b, in[10]+0xffeff47d, 15);
        MD5STEP(F4, b, c, d, a, in[ 1]+0x85845dd1, 21);
        MD5STEP(F4, a, b, c, d, in[ 8]+0x6fa87e4f,  6);
        MD5STEP(F4, d, a, b, c, in[15]+0xfe2ce6e0, 10);
        MD5STEP(F4, c, d, a, b, in[ 6]+0xa3014314, 15);
        MD5STEP(F4, b, c, d, a, in[13]+0x4e0811a1, 21);
        MD5STEP(F4, a, b, c, d, in[ 4]+0xf7537e82,  6);
        MD5STEP(F4, d, a, b, c, in[11]+0xbd3af235, 10);
        MD5STEP(F4, c, d, a, b, in[ 2]+0x2ad7d2bb, 15);
        MD5STEP(F4, b, c, d, a, in[ 9]+0xeb86d391, 21);

        buf[0] += a;
        buf[1] += b;
        buf[2] += c;
        buf[3] += d;
}

/*
 * Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
 * initialization constants.
 */
static void MD5Init(MD5Context *ctx){
        ctx->isInit = 1;
        ctx->buf[0] = 0x67452301;
        ctx->buf[1] = 0xefcdab89;
        ctx->buf[2] = 0x98badcfe;
        ctx->buf[3] = 0x10325476;
        ctx->bits[0] = 0;
        ctx->bits[1] = 0;
}

/*
 * Update context to reflect the concatenation of another buffer full
 * of bytes.
 */
static
void MD5Update(MD5Context *ctx, const unsigned char *buf, unsigned int len){
        uint32 t;

        /* Update bitcount */

        t = ctx->bits[0];
        if ((ctx->bits[0] = t + ((uint32)len << 3)) < t)
                ctx->bits[1]++; /* Carry from low to high */
        ctx->bits[1] += len >> 29;

        t = (t >> 3) & 0x3f;    /* Bytes already in shsInfo->data */

        /* Handle any leading odd-sized chunks */

        if ( t ) {
                unsigned char *p = (unsigned char *)ctx->in + t;

                t = 64-t;
                if (len < t) {
                        memcpy(p, buf, len);
                        return;
                }
                memcpy(p, buf, t);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += t;
                len -= t;
        }

        /* Process data in 64-byte chunks */

        while (len >= 64) {
                memcpy(ctx->in, buf, 64);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);
                buf += 64;
                len -= 64;
        }

        /* Handle any remaining bytes of data. */

        memcpy(ctx->in, buf, len);
}

/*
 * Final wrapup - pad to 64-byte boundary with the bit pattern
 * 1 0* (64-bit count of bits processed, MSB-first)
 */
static void MD5Final(unsigned char digest[16], MD5Context *ctx){
        unsigned count;
        unsigned char *p;

        /* Compute number of bytes mod 64 */
        count = (ctx->bits[0] >> 3) & 0x3F;

        /* Set the first char of padding to 0x80.  This is safe since there is
           always at least one byte free */
        p = ctx->in + count;
        *p++ = 0x80;

        /* Bytes of padding needed to make 64 bytes */
        count = 64 - 1 - count;

        /* Pad out to 56 mod 64 */
        if (count < 8) {
                /* Two lots of padding:  Pad the first block to 64 bytes */
                memset(p, 0, count);
                byteReverse(ctx->in, 16);
                MD5Transform(ctx->buf, (uint32 *)ctx->in);

                /* Now fill the next block with 56 bytes */
                memset(ctx->in, 0, 56);
        } else {
                /* Pad block to 56 bytes */
                memset(p, 0, count-8);
        }
        byteReverse(ctx->in, 14);

        /* Append length in bits and transform */
        memcpy(ctx->in + 14*4, ctx->bits, 8);

        MD5Transform(ctx->buf, (uint32 *)ctx->in);
        byteReverse((unsigned char *)ctx->buf, 4);
        memcpy(digest, ctx->buf, 16);
}

/*
** Convert a 128-bit MD5 digest into a 32-digit base-16 number.
*/
static void MD5DigestToBase16(unsigned char *digest, char *zBuf){
  static char const zEncode[] = "0123456789abcdef";
  int i, j;

  for(j=i=0; i<16; i++){
    int a = digest[i];
    zBuf[j++] = zEncode[(a>>4)&0xf];
    zBuf[j++] = zEncode[a & 0xf];
  }
  zBuf[j] = 0;
}


/*
** Convert a 128-bit MD5 digest into sequency of eight 5-digit integers
** each representing 16 bits of the digest and separated from each
** other by a "-" character.
*/
static void MD5DigestToBase10x8(unsigned char digest[16], char zDigest[50]){
  int i, j;
  unsigned int x;
  for(i=j=0; i<16; i+=2){
    x = digest[i]*256 + digest[i+1];
    if( i>0 ) zDigest[j++] = '-';
    sqlite3_snprintf(50-j, &zDigest[j], "%05u", x);
    j += 5;
  }
  zDigest[j] = 0;
}

/*
** A TCL command for md5.  The argument is the text to be hashed.  The
** Result is the hash in base64.
*/
static int SQLITE_TCLAPI md5_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  MD5Context ctx;
  unsigned char digest[16];
  char zBuf[50];
  void (*converter)(unsigned char*, char*);

  if( argc!=2 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " TEXT\"", (char*)0);
    return TCL_ERROR;
  }
  MD5Init(&ctx);
  MD5Update(&ctx, (unsigned char*)argv[1], (unsigned)strlen(argv[1]));
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** A TCL command to take the md5 hash of a file.  The argument is the
** name of the file.
*/
static int SQLITE_TCLAPI md5file_cmd(
  void*cd,
  Tcl_Interp *interp,
  int argc,
  const char **argv
){
  FILE *in;
  int ofst;
  int amt;
  MD5Context ctx;
  void (*converter)(unsigned char*, char*);
  unsigned char digest[16];
  char zBuf[10240];

  if( argc!=2 && argc!=4 ){
    Tcl_AppendResult(interp,"wrong # args: should be \"", argv[0],
        " FILENAME [OFFSET AMT]\"", (char*)0);
    return TCL_ERROR;
  }
  if( argc==4 ){
    ofst = atoi(argv[2]);
    amt = atoi(argv[3]);
  }else{
    ofst = 0;
    amt = 2147483647;
  }
  in = fopen(argv[1],"rb");
  if( in==0 ){
    Tcl_AppendResult(interp,"unable to open file \"", argv[1],
         "\" for reading", (char*)0);
    return TCL_ERROR;
  }
  fseek(in, ofst, SEEK_SET);
  MD5Init(&ctx);
  while( amt>0 ){
    int n;
    n = (int)fread(zBuf, 1, sizeof(zBuf)<=amt ? sizeof(zBuf) : amt, in);
    if( n<=0 ) break;
    MD5Update(&ctx, (unsigned char*)zBuf, (unsigned)n);
    amt -= n;
  }
  fclose(in);
  MD5Final(digest, &ctx);
  converter = (void(*)(unsigned char*,char*))cd;
  converter(digest, zBuf);
  Tcl_AppendResult(interp, zBuf, (char*)0);
  return TCL_OK;
}

/*
** Register the four new TCL commands for generating MD5 checksums
** with the TCL interpreter.
*/
int Md5_Init(Tcl_Interp *interp){
  Tcl_CreateCommand(interp, "md5", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5-10x8", (Tcl_CmdProc*)md5_cmd,
                    MD5DigestToBase10x8, 0);
  Tcl_CreateCommand(interp, "md5file", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase16, 0);
  Tcl_CreateCommand(interp, "md5file-10x8", (Tcl_CmdProc*)md5file_cmd,
                    MD5DigestToBase10x8, 0);
  return TCL_OK;
}

/*
** During testing, the special md5sum() aggregate function is available.
** inside SQLite.  The following routines implement that function.
*/
static void md5step(sqlite3_context *context, int argc, sqlite3_value **argv){
  MD5Context *p;
  int i;
  if( argc<1 ) return;
  p = sqlite3_aggregate_context(context, sizeof(*p));
  if( p==0 ) return;
  if( !p->isInit ){
    MD5Init(p);
  }
  for(i=0; i<argc; i++){
    const char *zData = (char*)sqlite3_value_text(argv[i]);
    if( zData ){
      MD5Update(p, (unsigned char*)zData, (int)strlen(zData));
    }
  }
}
static void md5finalize(sqlite3_context *context){
  MD5Context *p;
  unsigned char digest[16];
  char zBuf[33];
  p = sqlite3_aggregate_context(context, sizeof(*p));
  MD5Final(digest,p);
  MD5DigestToBase16(digest, zBuf);
  sqlite3_result_text(context, zBuf, -1, SQLITE_TRANSIENT);
}
int Md5_Register(
  sqlite3 *db,
  char **pzErrMsg,
  const sqlite3_api_routines *pThunk
){
  int rc = sqlite3_create_function(db, "md5sum", -1, SQLITE_UTF8, 0, 0,
                                 md5step, md5finalize);
  sqlite3_overload_function(db, "md5sum", -1);  /* To exercise this API */
  return rc;
}

Added src/test_tclsh.c.





































































































































































































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/*
** 2017-10-13
**
** 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.
**
*************************************************************************
**
** This file contains extensions to the the "tclsqlite.c" module used for
** testing.  Basically, all of the other "test_*.c" modules are linked
** into the enhanced tclsh used for testing (and named "testfixture" or
** "testfixture.exe") using logic encoded by this file.
**
** The code in this file used to be found in tclsqlite3.c, contained within
** #if SQLITE_TEST ... #endif.  It is factored out into this separate module
** in an effort to keep the tclsqlite.c file pure.
*/
#include "sqlite3.h"
#if defined(INCLUDE_SQLITE_TCL_H)
# include "sqlite_tcl.h"
#else
# include "tcl.h"
# ifndef SQLITE_TCLAPI
#  define SQLITE_TCLAPI
# endif
#endif

/* Needed for the setrlimit() system call on unix */
#if defined(unix)
#include <sys/resource.h>
#endif

/* Forward declaration */
static int SQLITE_TCLAPI load_testfixture_extensions(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
);

/*
** This routine is the primary export of this file.
**
** Configure the interpreter passed as the first argument to have access
** to the commands and linked variables that make up:
**
**   * the [sqlite3] extension itself,
**
**   * If SQLITE_TCLMD5 or SQLITE_TEST is defined, the Md5 commands, and
**
**   * If SQLITE_TEST is set, the various test interfaces used by the Tcl
**     test suite.
*/
void sqlite3InitTclTestLogic(Tcl_Interp *interp){
  /* Since the primary use case for this binary is testing of SQLite,
  ** be sure to generate core files if we crash */
#if defined(unix)
  { struct rlimit x;
    getrlimit(RLIMIT_CORE, &x);
    x.rlim_cur = x.rlim_max;
    setrlimit(RLIMIT_CORE, &x);
  }
#endif /* unix */

  {
    extern int Sqlite3_Init(Tcl_Interp*);
    extern int Sqliteconfig_Init(Tcl_Interp*);
    extern int Sqlitetest1_Init(Tcl_Interp*);
    extern int Sqlitetest2_Init(Tcl_Interp*);
    extern int Sqlitetest3_Init(Tcl_Interp*);
    extern int Sqlitetest4_Init(Tcl_Interp*);
    extern int Sqlitetest5_Init(Tcl_Interp*);
    extern int Sqlitetest6_Init(Tcl_Interp*);
    extern int Sqlitetest7_Init(Tcl_Interp*);
    extern int Sqlitetest8_Init(Tcl_Interp*);
    extern int Sqlitetest9_Init(Tcl_Interp*);
    extern int Sqlitetestasync_Init(Tcl_Interp*);
    extern int Sqlitetest_autoext_Init(Tcl_Interp*);
    extern int Sqlitetest_blob_Init(Tcl_Interp*);
    extern int Sqlitetest_demovfs_Init(Tcl_Interp *);
    extern int Sqlitetest_func_Init(Tcl_Interp*);
    extern int Sqlitetest_hexio_Init(Tcl_Interp*);
    extern int Sqlitetest_init_Init(Tcl_Interp*);
    extern int Sqlitetest_malloc_Init(Tcl_Interp*);
    extern int Sqlitetest_mutex_Init(Tcl_Interp*);
    extern int Sqlitetestschema_Init(Tcl_Interp*);
    extern int Sqlitetestsse_Init(Tcl_Interp*);
    extern int Sqlitetesttclvar_Init(Tcl_Interp*);
    extern int Sqlitetestfs_Init(Tcl_Interp*);
    extern int SqlitetestThread_Init(Tcl_Interp*);
    extern int SqlitetestOnefile_Init();
    extern int SqlitetestOsinst_Init(Tcl_Interp*);
    extern int Sqlitetestbackup_Init(Tcl_Interp*);
    extern int Sqlitetestintarray_Init(Tcl_Interp*);
    extern int Sqlitetestvfs_Init(Tcl_Interp *);
    extern int Sqlitetestrtree_Init(Tcl_Interp*);
    extern int Sqlitequota_Init(Tcl_Interp*);
    extern int Sqlitemultiplex_Init(Tcl_Interp*);
    extern int SqliteSuperlock_Init(Tcl_Interp*);
    extern int SqlitetestSyscall_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
    extern int TestSession_Init(Tcl_Interp*);
#endif
    extern int Md5_Init(Tcl_Interp*);
    extern int Fts5tcl_Init(Tcl_Interp *);
    extern int SqliteRbu_Init(Tcl_Interp*);
    extern int Sqlitetesttcl_Init(Tcl_Interp*);
#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
    extern int Sqlitetestfts3_Init(Tcl_Interp *interp);
#endif
#ifdef SQLITE_ENABLE_ZIPVFS
    extern int Zipvfs_Init(Tcl_Interp*);
#endif

    Sqlite3_Init(interp);
#ifdef SQLITE_ENABLE_ZIPVFS
    Zipvfs_Init(interp);
#endif
    Md5_Init(interp);
    Sqliteconfig_Init(interp);
    Sqlitetest1_Init(interp);
    Sqlitetest2_Init(interp);
    Sqlitetest3_Init(interp);
    Sqlitetest4_Init(interp);
    Sqlitetest5_Init(interp);
    Sqlitetest6_Init(interp);
    Sqlitetest7_Init(interp);
    Sqlitetest8_Init(interp);
    Sqlitetest9_Init(interp);
    Sqlitetestasync_Init(interp);
    Sqlitetest_autoext_Init(interp);
    Sqlitetest_blob_Init(interp);
    Sqlitetest_demovfs_Init(interp);
    Sqlitetest_func_Init(interp);
    Sqlitetest_hexio_Init(interp);
    Sqlitetest_init_Init(interp);
    Sqlitetest_malloc_Init(interp);
    Sqlitetest_mutex_Init(interp);
    Sqlitetestschema_Init(interp);
    Sqlitetesttclvar_Init(interp);
    Sqlitetestfs_Init(interp);
    SqlitetestThread_Init(interp);
    SqlitetestOnefile_Init();
    SqlitetestOsinst_Init(interp);
    Sqlitetestbackup_Init(interp);
    Sqlitetestintarray_Init(interp);
    Sqlitetestvfs_Init(interp);
    Sqlitetestrtree_Init(interp);
    Sqlitequota_Init(interp);
    Sqlitemultiplex_Init(interp);
    SqliteSuperlock_Init(interp);
    SqlitetestSyscall_Init(interp);
#if defined(SQLITE_ENABLE_SESSION) && defined(SQLITE_ENABLE_PREUPDATE_HOOK)
    TestSession_Init(interp);
#endif
    Fts5tcl_Init(interp);
    SqliteRbu_Init(interp);
    Sqlitetesttcl_Init(interp);

#if defined(SQLITE_ENABLE_FTS3) || defined(SQLITE_ENABLE_FTS4)
    Sqlitetestfts3_Init(interp);
#endif

    Tcl_CreateObjCommand(
        interp, "load_testfixture_extensions", load_testfixture_extensions,0,0
    );
  }
}

/* tclcmd:   load_testfixture_extensions
*/
static int SQLITE_TCLAPI load_testfixture_extensions(
  ClientData cd,
  Tcl_Interp *interp,
  int objc,
  Tcl_Obj *CONST objv[]
){

  Tcl_Interp *slave;
  if( objc!=2 ){
    Tcl_WrongNumArgs(interp, 1, objv, "SLAVE");
    return TCL_ERROR;
  }

  slave = Tcl_GetSlave(interp, Tcl_GetString(objv[1]));
  if( !slave ){
    return TCL_ERROR;
  }

  sqlite3InitTclTestLogic(slave);
  return TCL_OK;
}

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} -dbconfig {
  optimization_control $::dbhandle all 0
}

test_suite "prepare" -description {
  Run tests with the db connection using sqlite3_prepare() instead of _v2().
} -dbconfig {
  db_use_legacy_prepare $::dbhandle 1
  $::dbhandle version -use-legacy-prepare 1
  #$::dbhandle cache size 0
} -files [
  test_set $allquicktests -exclude *malloc* *ioerr* *fault* \
      stmtvtab1.test index9.test
]

# End of tests

Changes to test/scanstatus.test.

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  INSERT INTO t1 VALUES(3, 4);
  INSERT INTO t2 VALUES('a', 'b');
  INSERT INTO t2 VALUES('c', 'd');
  INSERT INTO t2 VALUES('e', 'f');
}

proc do_scanstatus_test {tn res} {
  set stmt [db_last_stmt_ptr db]
  set stmt [db version -last-stmt-ptr]
  set idx 0
  set ret [list]
  while {1} {
    set r [sqlite3_stmt_scanstatus $stmt $idx]
    if {[llength $r]==0} break
    lappend ret {*}$r
    incr idx
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do_scanstatus_test 1.9 {
  nLoop 2 nVisit 4 nEst 2.0 zName t2 zExplain 
  {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid>?)}
  nLoop 4 nVisit 8 nEst 2.0 zName t1 zExplain {SCAN TABLE t1}
}

do_test 1.9 {
  sqlite3_stmt_scanstatus_reset [db_last_stmt_ptr db]
  sqlite3_stmt_scanstatus_reset [db version -last-stmt-ptr]
} {}

do_scanstatus_test 1.10 {
  nLoop 0 nVisit 0 nEst 2.0 zName t2 zExplain 
  {SEARCH TABLE t2 USING INTEGER PRIMARY KEY (rowid>?)}
  nLoop 0 nVisit 0 nEst 2.0 zName t1 zExplain {SCAN TABLE t1}
}