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https://github.com/gryf/wmaker.git
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9e47eba187
- New function wsyserrorwithcode(), like wsyserror() for prints the message for the specified error code, instead of errno. This is for cases where you can't call wsyserror() immediately after the error, but save errno code for a later use.
179 lines
4.5 KiB
C
179 lines
4.5 KiB
C
/*
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* Window Maker miscelaneous function library
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*
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* Copyright (c) 1997 Alfredo K. Kojima
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "../src/config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <errno.h>
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extern char *_WINGS_progname;
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int WErrorCode = 0;
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#define MAXLINE 1024
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/*********************************************************************
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* Returns the system error message associated with error code 'errnum'
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*********************************************************************/
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char*
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wstrerror(int errnum)
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{
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#if defined(HAVE_STRERROR)
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return strerror(errnum);
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#elif !defined(HAVE_STRERROR) && defined(BSD)
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extern int errno, sys_nerr;
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# ifndef __DECC
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extern char *sys_errlist[];
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# endif
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static char buf[] = "Unknown error number 12345678901234567890";
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if (errno < sys_nerr)
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return sys_errlist[errnum];
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sprintf (buf, "Unknown error number %d", errnum);
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return buf;
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#else /* no strerror() and no sys_errlist[] */
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static char buf[] = "Error number 12345678901234567890";
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sprintf(buf, "Error number %d", errnum);
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return buf;
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#endif
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}
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/**************************************************************************
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* Prints a fatal error message with variable arguments and terminates
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*
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* msg - message to print with optional formatting
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* ... - arguments to use on formatting
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**************************************************************************/
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void
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wfatal(const char *msg, ...)
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{
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va_list args;
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char buf[MAXLINE];
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va_start(args, msg);
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vsprintf(buf, msg, args);
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strcat(buf,"\n");
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fflush(stdout);
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fputs(_WINGS_progname, stderr);
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fputs(" fatal error: ",stderr);
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fputs(buf, stderr);
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fflush(stdout);
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fflush(stderr);
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va_end(args);
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}
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/*********************************************************************
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* Prints a warning message with variable arguments
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*
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* msg - message to print with optional formatting
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* ... - arguments to use on formatting
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*********************************************************************/
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void
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wwarning(const char *msg, ...)
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{
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va_list args;
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char buf[MAXLINE];
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va_start(args, msg);
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vsprintf(buf, msg, args);
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strcat(buf,"\n");
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fflush(stdout);
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fputs(_WINGS_progname, stderr);
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fputs(" warning: ",stderr);
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fputs(buf, stderr);
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fflush(stdout);
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fflush(stderr);
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va_end(args);
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}
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/*********************************************************************
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* Prints a system error message with variable arguments
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*
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* msg - message to print with optional formatting
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* ... - arguments to use on formatting
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*********************************************************************/
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void
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wsyserror(const char *msg, ...)
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{
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va_list args;
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char buf[MAXLINE];
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int error=errno;
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va_start(args, msg);
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vsprintf(buf, msg, args);
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fflush(stdout);
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fputs(_WINGS_progname, stderr);
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fputs(" error: ", stderr);
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strcat(buf, ": ");
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strcat(buf, wstrerror(error));
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strcat(buf,"\n");
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fputs(buf, stderr);
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fflush(stderr);
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fflush(stdout);
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va_end(args);
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}
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/*********************************************************************
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* Prints a system error message with variable arguments, being given
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* the error code.
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*
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* error - the error code foe which to print the message
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* msg - message to print with optional formatting
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* ... - arguments to use on formatting
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*********************************************************************/
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void
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wsyserrorwithcode(int error, const char *msg, ...)
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{
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va_list args;
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char buf[MAXLINE];
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va_start(args, msg);
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vsprintf(buf, msg, args);
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fflush(stdout);
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fputs(_WINGS_progname, stderr);
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fputs(" error: ", stderr);
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strcat(buf, ": ");
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strcat(buf, wstrerror(error));
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strcat(buf,"\n");
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fputs(buf, stderr);
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fflush(stderr);
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fflush(stdout);
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va_end(args);
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}
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