1  /* prog-fprintf.c - common formatting output functions and definitions
       2     Copyright (C) 2008-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software: you can redistribute it and/or modify
       5     it under the terms of the GNU General Public License as published by
       6     the Free Software Foundation, either version 3 of the License, or
       7     (at your option) any later version.
       8  
       9     This program is distributed in the hope that it will be useful,
      10     but WITHOUT ANY WARRANTY; without even the implied warranty of
      11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      16  
      17  #include <config.h>
      18  #include <stdarg.h>
      19  #include <sys/types.h>
      20  
      21  #include "system.h"
      22  
      23  #include "prog-fprintf.h"
      24  
      25  /* Display program name followed by variable list.
      26     Used for e.g. verbose output */
      27  void
      28  prog_fprintf (FILE *fp, char const *fmt, ...)
      29  {
      30    va_list ap;
      31    fputs (program_name, fp);
      32    fputs (": ", fp);
      33    va_start (ap, fmt);
      34    vfprintf (fp, fmt, ap);
      35    va_end (ap);
      36    fputc ('\n', fp);
      37  }