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/* error.c */
/* it does contain error processing functions */
/*
Copyright 2003,04 Aris Adamantiadis
This file is part of the SSH Library
The SSH Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The SSH Library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the SSH Library; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
#include <stdio.h>
#include <stdarg.h>
#include "libssh/priv.h"
/** defgroup ssh_error
* \brief error handling
*/
/** \addtogroup ssh_error
* @{
*/
static int verbosity;
/* ssh_set_error registers an error with a description. the error code is the class of error, and description is obvious.*/
void ssh_set_error(void *error,int code,char *descr,...){
struct error_struct *err= error;
va_list va;
va_start(va,descr);
vsnprintf(err->error_buffer,ERROR_BUFFERLEN,descr,va);
va_end(va);
err->error_code=code;
}
/** \brief retrieve an error text message
* \param error the ssh session pointer
* \return a static string describing the error
*/
char *ssh_get_error(void *error){
struct error_struct *err=error;
return err->error_buffer;
}
/** \brief retrieve the error code from the last
* error
* \param error the ssh session pointer
* \return SSH_NO_ERROR no error occured\n
* SSH_REQUEST_DENIED The last request was denied but situation
* is recoverable\n
* SSH_FATAL A fatal error occured. this could be an unexpected disconnection\n
* Other error codes are internal but can be considered same than SSH_FATAL
*/
int ssh_get_error_code(void *error){
struct error_struct *err=error;
return err->error_code;
}
void ssh_say(int priority, char *format,...){
va_list va;
va_start(va,format);
if(priority <= verbosity)
vfprintf(stderr,format,va);
va_end(va);
}
void ssh_set_verbosity(int num){
verbosity=num;
}
/** @} */
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