fish-shell/sanity.c

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/** \file sanity.c
Functions for performing sanity checks on the program state
*/
#include <stdlib.h>
#include <wchar.h>
#include <stdio.h>
#include <errno.h>
#include <termios.h>
#include <unistd.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dirent.h>
#include "config.h"
#include "util.h"
#include "common.h"
#include "sanity.h"
#include "proc.h"
#include "history.h"
#include "reader.h"
#include "kill.h"
#include "wutil.h"
/**
Status from earlier sanity checks
*/
static int insane;
void sanity_lose()
{
debug( 0, L"Errors detected, shutting down" );
insane = 1;
}
int sanity_check()
{
if( !insane )
if( is_interactive )
history_sanity_check();
if( !insane )
reader_sanity_check();
if( !insane )
kill_sanity_check();
if( !insane )
proc_sanity_check();
return insane;
}
void validate_pointer( const void *ptr, const wchar_t *err, int null_ok )
{
/*
Test if the pointer data crosses a segment boundary.
*/
if( (0x00000003 & (int)ptr) != 0 )
{
debug( 0, L"The pointer '\%ls\' is invalid", err );
sanity_lose();
}
if((!null_ok) && (ptr==0))
{
debug( 0, L"The pointer '\%ls\' is null", err );
sanity_lose();
}
}