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#include <sys/time.h>
#include <netinet/in.h>
#include <time.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "common.h"
#ifdef DEBUG
void
debugp (char *filename, const char *str, ...)
{
FILE *fp; /* temporary file pointer */
va_list vl;
fp = fopen (filename, "a");
if (fp == NULL)
return;
va_start (vl, str);
vfprintf (fp, str, vl);
va_end (vl);
fclose (fp);
return;
}
void
hexdump (char *filename, unsigned char *data, unsigned int amount)
{
FILE *fp; /* temporary file pointer */
unsigned int dp, p; /* data pointer */
const char trans[] =
"................................ !\"#$%&'()*+,-./0123456789"
":;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\\]^_`abcdefghijklm"
"nopqrstuvwxyz{|}~...................................."
"....................................................."
"........................................";
fp = fopen (filename, "a");
if (fp == NULL)
return;
fprintf (fp, "\n-packet-\n");
for (dp = 1; dp <= amount; dp++) {
fprintf (fp, "%02x ", data[dp-1]);
if ((dp % 8) == 0)
fprintf (fp, " ");
if ((dp % 16) == 0) {
fprintf (fp, "| ");
p = dp;
for (dp -= 16; dp < p; dp++)
fprintf (fp, "%c", trans[data[dp]]);
fflush (fp);
fprintf (fp, "\n");
}
fflush (fp);
}
if ((amount % 16) != 0) {
p = dp = 16 - (amount % 16);
for (dp = p; dp > 0; dp--) {
fprintf (fp, " ");
if (((dp % 8) == 0) && (p != 8))
fprintf (fp, " ");
fflush (fp);
}
fprintf (fp, " | ");
for (dp = (amount - (16 - p)); dp < amount; dp++)
fprintf (fp, "%c", trans[data[dp]]);
fflush (fp);
}
fprintf (fp, "\n");
fclose (fp);
return;
}
#endif
void *
xrealloc (void *m_ptr, size_t newsize)
{
void *n_ptr;
n_ptr = realloc (m_ptr, newsize);
if (n_ptr == NULL && newsize != 0) {
fprintf (stderr, "realloc failed\n");
assert (0);
exit (EXIT_FAILURE);
}
return (n_ptr);
}
char *
xstrdup (char *str)
{
char *b;
b = strdup (str);
if (b == NULL) {
fprintf (stderr, "strdup failed\n");
exit (EXIT_FAILURE);
}
return (b);
}
void *
xcalloc (int factor, size_t size)
{
void *bla;
bla = calloc (factor, size);
if (bla == NULL) {
fprintf (stderr, "no memory left\n");
assert (0);
exit (EXIT_FAILURE);
}
return (bla);
}
unsigned int
array_compaction (void *arr_ptr, unsigned int el_count)
{
unsigned int sidx, /* source index */
didx; /* destination index */
char ** arr = (char **) arr_ptr;
for (sidx = 0, didx = 0 ; sidx < el_count ; ++sidx) {
if (arr[sidx] == NULL)
continue;
arr[didx] = arr[sidx];
didx += 1;
}
return (didx);
}
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