lib/fatal.c

   1 #ifdef HAVE_CONFIG_H
   2 # include <config.h>
   3 #endif
   4
   5 /* FIXME: define EXIT_FAILURE */
   6
   7 #include <stdio.h>
   8
   9 #if HAVE_VPRINTF || HAVE_DOPRNT || _LIBC
  10 # if __STDC__
  11 #  include <stdarg.h>
  12 #  define VA_START(args, lastarg) va_start(args, lastarg)
  13 # else
  14 #  include <varargs.h>
  15 #  define VA_START(args, lastarg) va_start(args)
  16 # endif
  17 #else
  18 # define va_alist a1, a2, a3, a4, a5, a6, a7, a8
  19 # define va_dcl char *a1, *a2, *a3, *a4, *a5, *a6, *a7, *a8;
  20 #endif
  21
  22 #if STDC_HEADERS || _LIBC
  23 # include <stdlib.h>
  24 # include <string.h>
  25 #else
  26 void exit ();
  27 #endif
  28
  29 #ifdef _LIBC
  30 # define program_name program_invocation_name
  31 #else /* not _LIBC */
  32 /* The calling program should define program_name and set it to the
  33    name of the executing program.  */
  34 extern char *program_name;
  35 #endif
  36
  37 #include "fatal.h"
  38 #include "unlocked-io.h"
  39
  40 /* Like error, but always exit with EXIT_FAILURE.  */
  41
  42 void
  43 #if defined VA_START && __STDC__
  44 fatal (int errnum, const char *message, ...)
  45 #else
  46 fatal (errnum, message, va_alist)
  47      int errnum;
  48      char *message;
  49      va_dcl
  50 #endif
  51 {
  52 #ifdef VA_START
  53   va_list args;
  54 #endif
  55
  56   if (error_print_progname)
  57     (*error_print_progname) ();
  58   else
  59     {
  60       fflush (stdout);
  61       fprintf (stderr, "%s: ", program_name);
  62     }
  63
  64 #ifdef VA_START
  65   VA_START (args, message);
  66   error (EXIT_FAILURE, errnum, message, args);
  67   va_end (args);
  68 #else
  69   error (EXIT_FAILURE, errnum, message, a1, a2, a3, a4, a5, a6, a7, a8);
  70 #endif
  71 }