usr.sbin/pkg_install/sign/stand.c

   1 /*
   2  * $FreeBSD: src/usr.sbin/pkg_install/sign/stand.c,v 1.2 2002/04/01 09:39:07 obrien Exp $
   3  * $DragonFly: src/usr.sbin/pkg_install/sign/stand.c,v 1.4 2004/12/18 23:48:04 swildner Exp $
   4  */
   5
   6 #include "stand.h"
   7
   8 #ifdef BSD4_4
   9 #include <string.h>
  10 #include <stdio.h>
  11 #include <errno.h>
  12 #include <stdarg.h>
  13
  14 /* shortened version of warn */
  15 static const char *program_name;
  16
  17 void
  18 set_program_name(n)
  19         const char *n;
  20 {
  21         if ((program_name = strrchr(n, '/')) != NULL)
  22                 program_name++;
  23         else
  24                 program_name = n;
  25 }
  26
  27 void
  28 warn(const char *fmt, ...)
  29 {
  30         va_list ap;
  31         int interrno;
  32
  33         va_start(ap, fmt);
  34
  35         interrno = errno;
  36         fprintf(stderr, "%s: ", program_name);
  37         if (fmt != NULL) {
  38                 vfprintf(stderr, fmt, ap);
  39                 fprintf(stderr, ": ");
  40         }
  41         fprintf(stderr, "%s\n", strerror(interrno));
  42
  43         va_end(ap);
  44 }
  45
  46 void
  47 warnx(const char *fmt, ...)
  48 {
  49         va_list ap;
  50
  51         va_start(ap, fmt);
  52         fprintf(stderr, "%s: ", program_name);
  53         if (fmt != NULL)
  54                 vfprintf(stderr, fmt, ap);
  55         fprintf(stderr, "\n");
  56         va_end(ap);
  57 }
  58
  59 #endif