/** Reads kernel memory.
* Seeks to the specified location in kmem, then
* does a read of given amount ob bytes into target buffer.
*
* @param off The location to seek.
*
* @param target The target buffer to read into.
*
* @param siz Number of bytes to read.
*
* @return gives 1 on success and 0 on failure.
*/
int klookup (unsigned long off, void *target, size_t siz)
{
long retsiz;
if (kmem < 0)
return 0;
if ((retsiz = klseek ((off_t) off)) != off)
{
snmp_log (LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror ("klseek");
return (0);
}
if ((retsiz = klread (target, siz)) != siz)
{
if (snmp_get_do_debugging ())
{
/*
* these happen too often on too many architectures to print them
* unless we're in debugging mode. People get very full log files.
*/
snmp_log (LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror ("klread");
}
return (0);
}
DEBUGMSGTL (("verbose:kernel:klookup", "klookup(%lx, %p, %d) succeeded", off, target, siz));
return (1);
}
int
klookup(unsigned long off,
char *target,
int siz)
{
long retsiz;
if (kmem < 0) return 0;
if ((retsiz = klseek((off_t) off)) != off) {
snmp_log(LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror("klseek");
#ifdef EXIT_ON_BAD_KLREAD
exit(1);
#endif
return (0);
}
if ((retsiz = klread(target, siz)) != siz ) {
if (snmp_get_do_debugging()) {
/* these happen too often on too many architectures to print them
unless we're in debugging mode. People get very full log files. */
snmp_log(LOG_ERR, "klookup(%lx, %p, %d): ", off, target, siz);
snmp_log_perror("klread");
}
#ifdef EXIT_ON_BAD_KLREAD
exit(1);
#endif
return(0);
}
return (1);
}
