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Overview
Comment:Remove unnecessary memset() calls from test code.
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SHA1: eec3187bc68ddebdbc2113f77c7f5cd32e9be61f
User & Date: drh 2013-10-03 11:27:56.219
Context
2013-10-03
12:29
Return an error if an attempt is made to create a trigger with an SQL variable embedded within it. If such a variable reference is found within a trigger definition loaded from the sqlite_master table, silently replace it with a NULL. (check-in: f35f6ae3da user: dan tags: trunk)
11:27
Remove unnecessary memset() calls from test code. (check-in: eec3187bc6 user: drh tags: trunk)
2013-10-02
20:46
In the lemon parser generator, change all hashes to unsigned to avoid potential problems with signed integer overflow. (check-in: 8d399a03de user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/tclsqlite.c.
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        /* Append length in bits and transform */
        ((uint32 *)ctx->in)[ 14 ] = ctx->bits[0];
        ((uint32 *)ctx->in)[ 15 ] = ctx->bits[1];

        MD5Transform(ctx->buf, (uint32 *)ctx->in);
        byteReverse((unsigned char *)ctx->buf, 4);
        memcpy(digest, ctx->buf, 16);
        memset(ctx, 0, sizeof(ctx));    /* In case it is sensitive */
}

/*
** 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";








<








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        /* Append length in bits and transform */
        ((uint32 *)ctx->in)[ 14 ] = ctx->bits[0];
        ((uint32 *)ctx->in)[ 15 ] = ctx->bits[1];

        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";
︙︙
Changes to src/test_init.c.
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  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }

  memset(&wrapped, 0, sizeof(&wrapped));
  sqlite3_shutdown();
  sqlite3_config(SQLITE_CONFIG_MUTEX, &wrapped.mutex);
  sqlite3_config(SQLITE_CONFIG_MALLOC, &wrapped.mem);
  sqlite3_config(SQLITE_CONFIG_PCACHE2, &wrapped.pcache);
  return TCL_OK;
}









<








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  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  if( objc!=1 ){
    Tcl_WrongNumArgs(interp, 1, objv, "");
    return TCL_ERROR;
  }


  sqlite3_shutdown();
  sqlite3_config(SQLITE_CONFIG_MUTEX, &wrapped.mutex);
  sqlite3_config(SQLITE_CONFIG_MALLOC, &wrapped.mem);
  sqlite3_config(SQLITE_CONFIG_PCACHE2, &wrapped.pcache);
  return TCL_OK;
}
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