Function newTempFile

lib-src/sqlite/shell.c:15793–15823

** Create a new temp file name with the given suffix. */

** Create a new temp file name with the given suffix.
*/
static void newTempFile(ShellState *p, const char *zSuffix){
  clearTempFile(p);
  sqlite3_free(p->zTempFile);
  p->zTempFile = 0;
  if( p->db ){
    sqlite3_file_control(p->db, 0, SQLITE_FCNTL_TEMPFILENAME, &p->zTempFile);
  }
  if( p->zTempFile==0 ){
    /* If p->db is an in-memory database then the TEMPFILENAME file-control
    ** will not work and we will need to fallback to guessing */
    char *zTemp;
    sqlite3_uint64 r;
    sqlite3_randomness(sizeof(r), &r);
    zTemp = getenv("TEMP");
    if( zTemp==0 ) zTemp = getenv("TMP");
    if( zTemp==0 ){
#ifdef _WIN32
      zTemp = "\\tmp";
#else
      zTemp = "/tmp";
#endif
    }
    p->zTempFile = sqlite3_mprintf("%s/temp%llx.%s", zTemp, r, zSuffix);
  }else{
    p->zTempFile = sqlite3_mprintf("%z.%s", p->zTempFile, zSuffix);
  }
  if( p->zTempFile==0 ){
    raw_printf(stderr, "out of memory\n");
    exit(1);
  }
}


/*