Fossil

**    (2)  The "repository" database
**
**    (3)  A local checkout database named "_FOSSIL_" or ".fos"
**         and located at the root of the local copy of the source tree.
**
*/
#include "config.h"
#if ! defined(_WIN32)
#  include <pwd.h>
#endif
#include <sqlite3.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "db.h"

#if INTERFACE

  }else{
    z = 0;
  }
  db_finalize(&s);
  return z;
}

#if defined(_WIN32)
extern char *sqlite3_win32_mbcs_to_utf8(const char*);
#endif

/*
** Initialize a new database file with the given schema.  If anything
** goes wrong, call db_err() to exit.
*/
void db_init_database(
  const char *zFileName,   /* Name of database file to create */
  const char *zSchema,     /* First part of schema */
  ...                      /* Additional SQL to run.  Terminate with NULL. */
){
  sqlite3 *db;
  int rc;
  const char *zSql;
  va_list ap;

#if defined(_WIN32)
  zFileName = sqlite3_win32_mbcs_to_utf8(zFileName);
#endif
  rc = sqlite3_open(zFileName, &db);
  if( rc!=SQLITE_OK ){
    db_err(sqlite3_errmsg(db));
  }
  sqlite3_busy_timeout(db, 5000);

*/
static sqlite3 *openDatabase(const char *zDbName){
  int rc;
  const char *zVfs;
  sqlite3 *db;

  zVfs = getenv("FOSSIL_VFS");
#if defined(_WIN32)
  zDbName = sqlite3_win32_mbcs_to_utf8(zDbName);
#endif
  rc = sqlite3_open_v2(
       zDbName, &db,
       SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
       zVfs
  );

*/
void db_open_or_attach(const char *zDbName, const char *zLabel){
  if( !g.db ){
    g.db = openDatabase(zDbName);
    g.zRepoDb = "main";
    db_connection_init();
  }else{
#if defined(_WIN32)
    zDbName = sqlite3_win32_mbcs_to_utf8(zDbName);
#endif
    db_multi_exec("ATTACH DATABASE %Q AS %s", zDbName, zLabel);
    g.zRepoDb = mprintf("%s", zLabel);
  }
}

** connection so that we can join between the various databases.  In that
** case, invoke this routine with useAttach as 1.
*/
void db_open_config(int useAttach){
  char *zDbName;
  const char *zHome;
  if( g.configOpen ) return;
#if defined(_WIN32)
  zHome = getenv("LOCALAPPDATA");
  if( zHome==0 ){
    zHome = getenv("APPDATA");
    if( zHome==0 ){
      zHome = getenv("HOMEPATH");
    }
  }

  }
#ifndef __MINGW32__
  if( access(zHome, W_OK) ){
    fossil_fatal("home directory %s must be writeable", zHome);
  }
#endif
  g.zHome = mprintf("%/", zHome);
#if defined(_WIN32)
  /* . filenames give some window systems problems and many apps problems */
  zDbName = mprintf("%//_fossil", zHome);
#else
  zDbName = mprintf("%s/.fossil", zHome);
#endif
  if( file_size(zDbName)<1024*3 ){
    db_init_database(zDbName, zConfigSchema, (char*)0);

void db_create_default_users(int setupUserOnly, const char *zDefaultUser){
  const char *zUser;
  zUser = db_get("default-user", 0);
  if( zUser==0 ){
    zUser = zDefaultUser;
  }
  if( zUser==0 ){
#if defined(_WIN32)
    zUser = getenv("USERNAME");
#else
    zUser = getenv("USER");
#endif
  }
  if( zUser==0 ){
    zUser = "root";