WINGs/error.c

   1 /*
   2  *  WindowMaker miscelaneous function library
   3  *
   4  *  Copyright (c) 1997 Alfredo K. Kojima
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21
  22 #include "../src/config.h"
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <errno.h>
  29
  30
  31 extern char *_WINGS_progname;
  32
  33 #define MAXLINE 1024
  34
  35
  36 /**************************************************************************
  37  * Prints a fatal error message with variable arguments and terminates
  38  *
  39  * msg - message to print with optional formatting
  40  * ... - arguments to use on formatting
  41  **************************************************************************/
  42 void
  43 wfatal(const char *msg, ...)
  44 {
  45     va_list args;
  46     char buf[MAXLINE];
  47
  48     va_start(args, msg);
  49
  50     vsprintf(buf, msg, args);
  51     strcat(buf,"\n");
  52     fflush(stdout);
  53     fputs(_WINGS_progname, stderr);
  54     fputs(" fatal error: ",stderr);
  55     fputs(buf, stderr);
  56     fflush(NULL);
  57
  58     va_end(args);
  59 }
  60
  61
  62 /*********************************************************************
  63  * Prints a warning message with variable arguments
  64  *
  65  * msg - message to print with optional formatting
  66  * ... - arguments to use on formatting
  67  *********************************************************************/
  68 void
  69 wwarning(const char *msg, ...)
  70 {
  71     va_list args;
  72     char buf[MAXLINE];
  73
  74     va_start(args, msg);
  75
  76     vsprintf(buf, msg, args);
  77     strcat(buf,"\n");
  78     fflush(stdout);
  79     fputs(_WINGS_progname, stderr);
  80     fputs(" warning: ",stderr);
  81     fputs(buf, stderr);
  82     fflush(NULL);
  83
  84     va_end(args);
  85 }
  86
  87
  88 /*********************************************************************
  89  * Prints a system error message with variable arguments
  90  *
  91  * msg - message to print with optional formatting
  92  * ... - arguments to use on formatting
  93  *********************************************************************/
  94 void
  95 wsyserror(const char *msg, ...)
  96 {
  97     va_list args;
  98     char buf[MAXLINE];
  99 #ifdef HAVE_STRERROR
 100     int error=errno;
 101 #endif
 102     va_start(args, msg);
 103     vsprintf(buf, msg, args);
 104     fflush(stdout);
 105     fputs(_WINGS_progname, stderr);
 106     fputs(" error: ", stderr);
 107     strcat(buf, ": ");
 108 #ifdef HAVE_STRERROR
 109     strcat(buf, strerror(error));
 110     strcat(buf,"\n");
 111     fputs(buf, stderr);
 112     fflush(NULL);
 113 #else
 114     perror(buf);
 115 #endif
 116     va_end(args);
 117 }
 118