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util.c

/* X-Chat
 * Copyright (C) 1998 Peter Zelezny.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
 */

#define __APPLE_API_STRICT_CONFORMANCE

#define _FILE_OFFSET_BITS 64
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef WIN32
#include <sys/timeb.h>
#include <process.h>
#else
#include <sys/types.h>
#include <pwd.h>
#include <sys/time.h>
#include <sys/utsname.h>
#endif
#include <fcntl.h>
#include <dirent.h>
#include <errno.h>
#include "xchat.h"
#include "xchatc.h"
#include <ctype.h>
#include "util.h"
#include "../../config.h"

#define WANTSOCKET
#include "inet.h"

#if defined (USING_FREEBSD) || defined (__APPLE__)
#include <sys/sysctl.h>
#endif
#ifdef SOCKS
#include <socks.h>
#endif

#ifndef HAVE_SNPRINTF
#define snprintf g_snprintf
#endif

#ifdef USE_DEBUG

#undef free
#undef malloc
#undef realloc
#undef strdup

int current_mem_usage;

struct mem_block
{
      char *file;
      void *buf;
      int size;
      int line;
      int total;
      struct mem_block *next;
};

struct mem_block *mroot = NULL;

void *
xchat_malloc (int size, char *file, int line)
{
      void *ret;
      struct mem_block *new;

      current_mem_usage += size;
      ret = malloc (size);
      if (!ret)
      {
            printf ("Out of memory! (%d)\n", current_mem_usage);
            exit (255);
      }

      new = malloc (sizeof (struct mem_block));
      new->buf = ret;
      new->size = size;
      new->next = mroot;
      new->line = line;
      new->file = strdup (file);
      mroot = new;

      printf ("%s:%d Malloc'ed %d bytes, now \033[35m%d\033[m\n", file, line,
                        size, current_mem_usage);

      return ret;
}

void *
xchat_realloc (char *old, int len, char *file, int line)
{
      char *ret;

      ret = xchat_malloc (len, file, line);
      if (ret)
      {
            strcpy (ret, old);
            xchat_dfree (old, file, line);
      }
      return ret;
}

void *
xchat_strdup (char *str, char *file, int line)
{
      void *ret;
      struct mem_block *new;
      int size;

      size = strlen (str) + 1;
      current_mem_usage += size;
      ret = malloc (size);
      if (!ret)
      {
            printf ("Out of memory! (%d)\n", current_mem_usage);
            exit (255);
      }
      strcpy (ret, str);

      new = malloc (sizeof (struct mem_block));
      new->buf = ret;
      new->size = size;
      new->next = mroot;
      new->line = line;
      new->file = strdup (file);
      mroot = new;

      printf ("%s:%d strdup (\"%-.40s\") size: %d, total: \033[35m%d\033[m\n",
                        file, line, str, size, current_mem_usage);

      return ret;
}

void
xchat_mem_list (void)
{
      struct mem_block *cur, *p;
      GSList *totals = 0;
      GSList *list;

      cur = mroot;
      while (cur)
      {
            list = totals;
            while (list)
            {
                  p = list->data;
                  if (p->line == cur->line &&
                              strcmp (p->file, cur->file) == 0)
                  {
                        p->total += p->size;
                        break;
                  }
                  list = list->next;
            }
            if (!list)
            {
                  cur->total = cur->size;
                  totals = g_slist_prepend (totals, cur);
            }
            cur = cur->next;
      }

      fprintf (stderr, "file              line   size    num  total\n");  
      list = totals;
      while (list)
      {
            cur = list->data;
            fprintf (stderr, "%-15.15s %6d %6d %6d %6d\n", cur->file, cur->line,
                              cur->size, cur->total/cur->size, cur->total);
            list = list->next;
      }
}

void
xchat_dfree (void *buf, char *file, int line)
{
      struct mem_block *cur, *last;

      if (buf == NULL)
      {
            printf ("%s:%d \033[33mTried to free NULL\033[m\n", file, line);
            return;
      }

      last = NULL;
      cur = mroot;
      while (cur)
      {
            if (buf == cur->buf)
                  break;
            last = cur;
            cur = cur->next;
      }
      if (cur == NULL)
      {
            printf ("%s:%d \033[31mTried to free unknown block %lx!\033[m\n",
                          file, line, (unsigned long) buf);
            /*      abort(); */
            free (buf);
            return;
      }
      current_mem_usage -= cur->size;
      printf ("%s:%d Free'ed %d bytes, usage now \033[35m%d\033[m\n",
                        file, line, cur->size, current_mem_usage);
      if (last)
            last->next = cur->next;
      else
            mroot = cur->next;
      free (cur->file);
      free (cur);
}

#define malloc(n) xchat_malloc(n, __FILE__, __LINE__)
#define realloc(n, m) xchat_realloc(n, m, __FILE__, __LINE__)
#define free(n) xchat_dfree(n, __FILE__, __LINE__)
#define strdup(n) xchat_strdup(n, __FILE__, __LINE__)

#endif /* MEMORY_DEBUG */

char *
file_part (char *file)
{
      char *filepart = file;
      if (!file)
            return "";
      while (1)
      {
            switch (*file)
            {
            case 0:
                  return (filepart);
            case '/':
#ifdef WIN32
            case '\\':
#endif
                  filepart = file + 1;
                  break;
            }
            file++;
      }
}

void
path_part (char *file, char *path, int pathlen)
{
      unsigned char t;
      char *filepart = file_part (file);
      t = *filepart;
      *filepart = 0;
      safe_strcpy (path, file, pathlen);
      *filepart = t;
}

char *                        /* like strstr(), but nocase */
nocasestrstr (char *s, char *wanted)
{
      register const int len = strlen (wanted);

      if (len == 0)
            return (char *)s;
      while (rfc_tolower(*s) != rfc_tolower(*wanted) || strncasecmp (s, wanted, len))
            if (*s++ == '\0')
                  return (char *)NULL;
      return (char *)s;
}

char *
errorstring (int err)
{
      switch (err)
      {
      case -1:
            return "";
      case 0:
            return _("Remote host closed socket");
#ifndef WIN32
      }
#else
      case WSAECONNREFUSED:
            return _("Connection refused");
      case WSAENETUNREACH:
      case WSAEHOSTUNREACH:
            return _("No route to host");
      case WSAETIMEDOUT:
            return _("Connection timed out");
      case WSAEADDRNOTAVAIL:
            return _("Cannot assign that address");
      case WSAECONNRESET:
            return _("Connection reset by peer");
      }

      /* can't use strerror() on Winsock errors! */
      if (err >= WSABASEERR)
      {
            static char tbuf[384];
            OSVERSIONINFO osvi;

            osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
            GetVersionEx (&osvi);

            /* FormatMessage works on WSA*** errors starting from Win2000 */
            if (osvi.dwMajorVersion >= 5)
            {
                  if (FormatMessageA (FORMAT_MESSAGE_FROM_SYSTEM |
                                                        FORMAT_MESSAGE_IGNORE_INSERTS |
                                                        FORMAT_MESSAGE_MAX_WIDTH_MASK,
                                                        NULL, err,
                                                        MAKELANGID (LANG_NEUTRAL, SUBLANG_DEFAULT),
                                                        tbuf, sizeof (tbuf), NULL))
                  {
                        int len;
                        char *utf;

                        tbuf[sizeof (tbuf) - 1] = 0;
                        len = strlen (tbuf);
                        if (len >= 2)
                              tbuf[len - 2] = 0;      /* remove the cr-lf */

                        /* now convert to utf8 */
                        utf = g_locale_to_utf8 (tbuf, -1, 0, 0, 0);
                        if (utf)
                        {
                              safe_strcpy (tbuf, utf, sizeof (tbuf));
                              g_free (utf);
                              return tbuf;
                        }
                  }
            }     /* ! if (osvi.dwMajorVersion >= 5) */

            /* fallback to error number */
            sprintf (tbuf, "%s %d", _("Error"), err);
            return tbuf;
      } /* ! if (err >= WSABASEERR) */
#endif      /* ! WIN32 */

      return strerror (err);
}

int
waitline (int sok, char *buf, int bufsize, int use_recv)
{
      int i = 0;

      while (1)
      {
            if (use_recv)
            {
                  if (recv (sok, &buf[i], 1, 0) < 1)
                        return -1;
            } else
            {
                  if (read (sok, &buf[i], 1) < 1)
                        return -1;
            }
            if (buf[i] == '\n' || bufsize == i + 1)
            {
                  buf[i] = 0;
                  return i;
            }
            i++;
      }
}

/* checks for "~" in a file and expands */

char *
expand_homedir (char *file)
{
#ifndef WIN32
      char *ret, *user;
      struct passwd *pw;

      if (*file == '~')
      {
            if (file[1] != '\0' && file[1] != '/')
            {
                  user = strdup(file);
                  if (strchr(user,'/') != NULL)
                        *(strchr(user,'/')) = '\0';
                  if ((pw = getpwnam(user + 1)) == NULL)
                  {
                        free(user);
                        return strdup(file);
                  }
                  free(user);
                  user = strchr(file, '/') != NULL ? strchr(file,'/') : file;
                  ret = malloc(strlen(user) + strlen(pw->pw_dir) + 1);
                  strcpy(ret, pw->pw_dir);
                  strcat(ret, user);
            }
            else
            {
                  ret = malloc (strlen (file) + strlen (g_get_home_dir ()) + 1);
                  sprintf (ret, "%s%s", g_get_home_dir (), file + 1);
            }
            return ret;
      }
#endif
      return strdup (file);
}

char *
strip_color (char *text, int len, int flags)
{
      char *new_str;

      if (len == -1)
            len = strlen (text);

      new_str = malloc (len + 2);
      strip_color2 (text, len, new_str, flags);
      return new_str;
}

/* CL: strip_color2 strips src and writes the output at dst; pass the same pointer
      in both arguments to strip in place. */
int
strip_color2 (char *src, int len, char *dst, int flags)
{
      int rcol = 0, bgcol = 0;
      char *start = dst;

      if (len == -1) len = strlen (src);
      while (len-- > 0)
      {
            if (rcol > 0 && (isdigit ((unsigned char)*src) ||
                  (*src == ',' && isdigit ((unsigned char)src[1]) && !bgcol)))
            {
                  if (src[1] != ',') rcol--;
                  if (*src == ',')
                  {
                        rcol = 2;
                        bgcol = 1;
                  }
            } else
            {
                  rcol = bgcol = 0;
                  switch (*src)
                  {
                  case '\003':                    /*ATTR_COLOR: */
                        if (!(flags & STRIP_COLOR)) goto pass_char;
                        rcol = 2;
                        break;
                  case '\001':      /* CL: invisible text (for event formats only) */     /* this takes care of the topic */
                        if (!(flags & STRIP_HIDDEN)) goto pass_char;
                        break;
                  case '\007':                    /*ATTR_BEEP: */
                  case '\017':                    /*ATTR_RESET: */
                  case '\026':                    /*ATTR_REVERSE: */
                  case '\002':                    /*ATTR_BOLD: */
                  case '\037':                    /*ATTR_UNDERLINE: */
                  case '\035':                    /*ATTR_ITALICS: */
                        if (!(flags & STRIP_ATTRIB)) goto pass_char;
                        break;
                  default:
                  pass_char:
                        *dst++ = *src;
                  }
            }
            src++;
      }
      *dst = 0;

      return (int) (dst - start);
}

int
strip_hidden_attribute (char *src, char *dst)
{
      int len = 0;
      while (*src != '\000')
      {
            if (*src != '\001')
            {
                  *dst++ = *src;
                  len++;
            }
            src++;
      }
      return len;
}

#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__)

static void
get_cpu_info (double *mhz, int *cpus)
{

#ifdef USING_LINUX

      char buf[256];
      int fh;

      *mhz = 0;
      *cpus = 0;

      fh = open ("/proc/cpuinfo", O_RDONLY);    /* linux 2.2+ only */
      if (fh == -1)
      {
            *cpus = 1;
            return;
      }

      while (1)
      {
            if (waitline (fh, buf, sizeof buf, FALSE) < 0)
                  break;
            if (!strncmp (buf, "cycle frequency [Hz]\t:", 22))    /* alpha */
            {
                  *mhz = atoi (buf + 23) / 1048576;
            } else if (!strncmp (buf, "cpu MHz\t\t:", 10))  /* i386 */
            {
                  *mhz = atof (buf + 11) + 0.5;
            } else if (!strncmp (buf, "clock\t\t:", 8))     /* PPC */
            {
                  *mhz = atoi (buf + 9);
            } else if (!strncmp (buf, "processor\t", 10))
            {
                  (*cpus)++;
            }
      }
      close (fh);
      if (!*cpus)
            *cpus = 1;

#endif
#ifdef USING_FREEBSD

      int mib[2], ncpu;
      u_long freq;
      size_t len;

      freq = 0;
      *mhz = 0;
      *cpus = 0;

      mib[0] = CTL_HW;
      mib[1] = HW_NCPU;

      len = sizeof(ncpu);
      sysctl(mib, 2, &ncpu, &len, NULL, 0);

      len = sizeof(freq);
      sysctlbyname("machdep.tsc_freq", &freq, &len, NULL, 0);

      *cpus = ncpu;
      *mhz = (freq / 1000000);

#endif
#ifdef __APPLE__

      int mib[2], ncpu;
      unsigned long long freq;
      size_t len;

      freq = 0;
      *mhz = 0;
      *cpus = 0;

      mib[0] = CTL_HW;
      mib[1] = HW_NCPU;

      len = sizeof(ncpu);
      sysctl(mib, 2, &ncpu, &len, NULL, 0);

      len = sizeof(freq);
        sysctlbyname("hw.cpufrequency", &freq, &len, NULL, 0);

      *cpus = ncpu;
      *mhz = (freq / 1000000);

#endif

}
#endif

#ifdef WIN32

static int
get_mhz (void)
{
      HKEY hKey;
      int result, data, dataSize;

      if (RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Hardware\\Description\\System\\"
            "CentralProcessor\\0", 0, KEY_QUERY_VALUE, &hKey) == ERROR_SUCCESS)
      {
            dataSize = sizeof (data);
            result = RegQueryValueEx (hKey, "~MHz", 0, 0, (LPBYTE)&data, &dataSize);
            RegCloseKey (hKey);
            if (result == ERROR_SUCCESS)
                  return data;
      }
      return 0;   /* fails on Win9x */
}

char *
get_cpu_str (void)
{
      static char verbuf[64];
      OSVERSIONINFO osvi;
      SYSTEM_INFO si;
      double mhz;

      osvi.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
      GetVersionEx (&osvi);
      GetSystemInfo (&si);

      mhz = get_mhz ();
      if (mhz)
      {
            double cpuspeed = ( mhz > 1000 ) ? mhz / 1000 : mhz;
            const char *cpuspeedstr = ( mhz > 1000 ) ? "GHz" : "MHz";
            sprintf (verbuf, "Windows %ld.%ld [i%d86/%.2f%s]",
                              osvi.dwMajorVersion, osvi.dwMinorVersion, si.wProcessorLevel, 
                              cpuspeed, cpuspeedstr);
      } else
            sprintf (verbuf, "Windows %ld.%ld [i%d86]",
                  osvi.dwMajorVersion, osvi.dwMinorVersion, si.wProcessorLevel);

      return verbuf;
}

#else

char *
get_cpu_str (void)
{
#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__)
      double mhz;
#endif
      int cpus = 1;
      struct utsname un;
      static char *buf = NULL;

      if (buf)
            return buf;

      buf = malloc (128);

      uname (&un);

#if defined (USING_LINUX) || defined (USING_FREEBSD) || defined (__APPLE__)
      get_cpu_info (&mhz, &cpus);
      if (mhz)
      {
            double cpuspeed = ( mhz > 1000 ) ? mhz / 1000 : mhz;
            const char *cpuspeedstr = ( mhz > 1000 ) ? "GHz" : "MHz";
            snprintf (buf, 128,
                              (cpus == 1) ? "%s %s [%s/%.2f%s]" : "%s %s [%s/%.2f%s/SMP]",
                              un.sysname, un.release, un.machine,
                              cpuspeed, cpuspeedstr);
      } else
#endif
            snprintf (buf, 128,
                              (cpus == 1) ? "%s %s [%s]" : "%s %s [%s/SMP]",
                              un.sysname, un.release, un.machine);

      return buf;
}

#endif

int
buf_get_line (char *ibuf, char **buf, int *position, int len)
{
      int pos = *position, spos = pos;

      if (pos == len)
            return 0;

      while (ibuf[pos++] != '\n')
      {
            if (pos == len)
                  return 0;
      }
      pos--;
      ibuf[pos] = 0;
      *buf = &ibuf[spos];
      pos++;
      *position = pos;
      return 1;
}

int match(const char *mask, const char *string)
{
  register const char *m = mask, *s = string;
  register char ch;
  const char *bm, *bs;        /* Will be reg anyway on a decent CPU/compiler */

  /* Process the "head" of the mask, if any */
  while ((ch = *m++) && (ch != '*'))
    switch (ch)
    {
      case '\\':
      if (*m == '?' || *m == '*')
        ch = *m++;
      default:
      if (rfc_tolower(*s) != rfc_tolower(ch))
        return 0;
      case '?':
      if (!*s++)
        return 0;
    };
  if (!ch)
    return !(*s);

  /* We got a star: quickly find if/where we match the next char */
got_star:
  bm = m;               /* Next try rollback here */
  while ((ch = *m++))
    switch (ch)
    {
      case '?':
      if (!*s++)
        return 0;
      case '*':
      bm = m;
      continue;         /* while */
      case '\\':
      if (*m == '?' || *m == '*')
        ch = *m++;
      default:
      goto break_while; /* C is structured ? */
    };
break_while:
  if (!ch)
    return 1;                 /* mask ends with '*', we got it */
  ch = rfc_tolower(ch);
  while (rfc_tolower(*s++) != ch)
    if (!*s)
      return 0;
  bs = s;               /* Next try start from here */

  /* Check the rest of the "chunk" */
  while ((ch = *m++))
  {
    switch (ch)
    {
      case '*':
      goto got_star;
      case '\\':
      if (*m == '?' || *m == '*')
        ch = *m++;
      default:
      if (rfc_tolower(*s) != rfc_tolower(ch))
      {
        m = bm;
        s = bs;
        goto got_star;
      };
      case '?':
      if (!*s++)
        return 0;
    };
  };
  if (*s)
  {
    m = bm;
    s = bs;
    goto got_star;
  };
  return 1;
}

void
for_files (char *dirname, char *mask, void callback (char *file))
{
      DIR *dir;
      struct dirent *ent;
      char *buf;

      dir = opendir (dirname);
      if (dir)
      {
            while ((ent = readdir (dir)))
            {
                  if (strcmp (ent->d_name, ".") && strcmp (ent->d_name, ".."))
                  {
                        if (match (mask, ent->d_name))
                        {
                              buf = malloc (strlen (dirname) + strlen (ent->d_name) + 2);
                              sprintf (buf, "%s/%s", dirname, ent->d_name);
                              callback (buf);
                              free (buf);
                        }
                  }
            }
            closedir (dir);
      }
}

/*void
tolowerStr (char *str)
{
      while (*str)
      {
            *str = rfc_tolower (*str);
            str++;
      }
}*/

typedef struct
{
      char *code, *country;
} domain_t;

static int
country_compare (const void *a, const void *b)
{
      return strcasecmp (a, ((domain_t *)b)->code);
}

static const domain_t domain[] =
{
            {"AD", N_("Andorra") },
            {"AE", N_("United Arab Emirates") },
            {"AF", N_("Afghanistan") },
            {"AG", N_("Antigua and Barbuda") },
            {"AI", N_("Anguilla") },
            {"AL", N_("Albania") },
            {"AM", N_("Armenia") },
            {"AN", N_("Netherlands Antilles") },
            {"AO", N_("Angola") },
            {"AQ", N_("Antarctica") },
            {"AR", N_("Argentina") },
            {"ARPA", N_("Reverse DNS") },
            {"AS", N_("American Samoa") },
            {"AT", N_("Austria") },
            {"ATO", N_("Nato Fiel") },
            {"AU", N_("Australia") },
            {"AW", N_("Aruba") },
            {"AZ", N_("Azerbaijan") },
            {"BA", N_("Bosnia and Herzegovina") },
            {"BB", N_("Barbados") },
            {"BD", N_("Bangladesh") },
            {"BE", N_("Belgium") },
            {"BF", N_("Burkina Faso") },
            {"BG", N_("Bulgaria") },
            {"BH", N_("Bahrain") },
            {"BI", N_("Burundi") },
            {"BIZ", N_("Businesses"), },
            {"BJ", N_("Benin") },
            {"BM", N_("Bermuda") },
            {"BN", N_("Brunei Darussalam") },
            {"BO", N_("Bolivia") },
            {"BR", N_("Brazil") },
            {"BS", N_("Bahamas") },
            {"BT", N_("Bhutan") },
            {"BV", N_("Bouvet Island") },
            {"BW", N_("Botswana") },
            {"BY", N_("Belarus") },
            {"BZ", N_("Belize") },
            {"CA", N_("Canada") },
            {"CC", N_("Cocos Islands") },
            {"CD", N_("Democratic Republic of Congo") },
            {"CF", N_("Central African Republic") },
            {"CG", N_("Congo") },
            {"CH", N_("Switzerland") },
            {"CI", N_("Cote d'Ivoire") },
            {"CK", N_("Cook Islands") },
            {"CL", N_("Chile") },
            {"CM", N_("Cameroon") },
            {"CN", N_("China") },
            {"CO", N_("Colombia") },
            {"COM", N_("Internic Commercial") },
            {"CR", N_("Costa Rica") },
            {"CS", N_("Serbia and Montenegro") },
            {"CU", N_("Cuba") },
            {"CV", N_("Cape Verde") },
            {"CX", N_("Christmas Island") },
            {"CY", N_("Cyprus") },
            {"CZ", N_("Czech Republic") },
            {"DE", N_("Germany") },
            {"DJ", N_("Djibouti") },
            {"DK", N_("Denmark") },
            {"DM", N_("Dominica") },
            {"DO", N_("Dominican Republic") },
            {"DZ", N_("Algeria") },
            {"EC", N_("Ecuador") },
            {"EDU", N_("Educational Institution") },
            {"EE", N_("Estonia") },
            {"EG", N_("Egypt") },
            {"EH", N_("Western Sahara") },
            {"ER", N_("Eritrea") },
            {"ES", N_("Spain") },
            {"ET", N_("Ethiopia") },
            {"FI", N_("Finland") },
            {"FJ", N_("Fiji") },
            {"FK", N_("Falkland Islands") },
            {"FM", N_("Micronesia") },
            {"FO", N_("Faroe Islands") },
            {"FR", N_("France") },
            {"FX", N_("France, Metropolitan") },
            {"GA", N_("Gabon") },
            {"GB", N_("Great Britain") },
            {"GD", N_("Grenada") },
            {"GE", N_("Georgia") },
            {"GF", N_("French Guiana") },
            {"GG", N_("British Channel Isles") },
            {"GH", N_("Ghana") },
            {"GI", N_("Gibraltar") },
            {"GL", N_("Greenland") },
            {"GM", N_("Gambia") },
            {"GN", N_("Guinea") },
            {"GOV", N_("Government") },
            {"GP", N_("Guadeloupe") },
            {"GQ", N_("Equatorial Guinea") },
            {"GR", N_("Greece") },
            {"GS", N_("S. Georgia and S. Sandwich Isles") },
            {"GT", N_("Guatemala") },
            {"GU", N_("Guam") },
            {"GW", N_("Guinea-Bissau") },
            {"GY", N_("Guyana") },
            {"HK", N_("Hong Kong") },
            {"HM", N_("Heard and McDonald Islands") },
            {"HN", N_("Honduras") },
            {"HR", N_("Croatia") },
            {"HT", N_("Haiti") },
            {"HU", N_("Hungary") },
            {"ID", N_("Indonesia") },
            {"IE", N_("Ireland") },
            {"IL", N_("Israel") },
            {"IN", N_("India") },
            {"INFO", N_("Informational") },
            {"INT", N_("International") },
            {"IO", N_("British Indian Ocean Territory") },
            {"IQ", N_("Iraq") },
            {"IR", N_("Iran") },
            {"IS", N_("Iceland") },
            {"IT", N_("Italy") },
            {"JM", N_("Jamaica") },
            {"JO", N_("Jordan") },
            {"JP", N_("Japan") },
            {"KE", N_("Kenya") },
            {"KG", N_("Kyrgyzstan") },
            {"KH", N_("Cambodia") },
            {"KI", N_("Kiribati") },
            {"KM", N_("Comoros") },
            {"KN", N_("St. Kitts and Nevis") },
            {"KP", N_("North Korea") },
            {"KR", N_("South Korea") },
            {"KW", N_("Kuwait") },
            {"KY", N_("Cayman Islands") },
            {"KZ", N_("Kazakhstan") },
            {"LA", N_("Laos") },
            {"LB", N_("Lebanon") },
            {"LC", N_("Saint Lucia") },
            {"LI", N_("Liechtenstein") },
            {"LK", N_("Sri Lanka") },
            {"LR", N_("Liberia") },
            {"LS", N_("Lesotho") },
            {"LT", N_("Lithuania") },
            {"LU", N_("Luxembourg") },
            {"LV", N_("Latvia") },
            {"LY", N_("Libya") },
            {"MA", N_("Morocco") },
            {"MC", N_("Monaco") },
            {"MD", N_("Moldova") },
            {"MED", N_("United States Medical") },
            {"MG", N_("Madagascar") },
            {"MH", N_("Marshall Islands") },
            {"MIL", N_("Military") },
            {"MK", N_("Macedonia") },
            {"ML", N_("Mali") },
            {"MM", N_("Myanmar") },
            {"MN", N_("Mongolia") },
            {"MO", N_("Macau") },
            {"MP", N_("Northern Mariana Islands") },
            {"MQ", N_("Martinique") },
            {"MR", N_("Mauritania") },
            {"MS", N_("Montserrat") },
            {"MT", N_("Malta") },
            {"MU", N_("Mauritius") },
            {"MV", N_("Maldives") },
            {"MW", N_("Malawi") },
            {"MX", N_("Mexico") },
            {"MY", N_("Malaysia") },
            {"MZ", N_("Mozambique") },
            {"NA", N_("Namibia") },
            {"NC", N_("New Caledonia") },
            {"NE", N_("Niger") },
            {"NET", N_("Internic Network") },
            {"NF", N_("Norfolk Island") },
            {"NG", N_("Nigeria") },
            {"NI", N_("Nicaragua") },
            {"NL", N_("Netherlands") },
            {"NO", N_("Norway") },
            {"NP", N_("Nepal") },
            {"NR", N_("Nauru") },
            {"NT", N_("Neutral Zone") },
            {"NU", N_("Niue") },
            {"NZ", N_("New Zealand") },
            {"OM", N_("Oman") },
            {"ORG", N_("Internic Non-Profit Organization") },
            {"PA", N_("Panama") },
            {"PE", N_("Peru") },
            {"PF", N_("French Polynesia") },
            {"PG", N_("Papua New Guinea") },
            {"PH", N_("Philippines") },
            {"PK", N_("Pakistan") },
            {"PL", N_("Poland") },
            {"PM", N_("St. Pierre and Miquelon") },
            {"PN", N_("Pitcairn") },
            {"PR", N_("Puerto Rico") },
            {"PS", N_("Palestinian Territory") },
            {"PT", N_("Portugal") },
            {"PW", N_("Palau") },
            {"PY", N_("Paraguay") },
            {"QA", N_("Qatar") },
            {"RE", N_("Reunion") },
            {"RO", N_("Romania") },
            {"RPA", N_("Old School ARPAnet") },
            {"RU", N_("Russian Federation") },
            {"RW", N_("Rwanda") },
            {"SA", N_("Saudi Arabia") },
            {"SB", N_("Solomon Islands") },
            {"SC", N_("Seychelles") },
            {"SD", N_("Sudan") },
            {"SE", N_("Sweden") },
            {"SG", N_("Singapore") },
            {"SH", N_("St. Helena") },
            {"SI", N_("Slovenia") },
            {"SJ", N_("Svalbard and Jan Mayen Islands") },
            {"SK", N_("Slovak Republic") },
            {"SL", N_("Sierra Leone") },
            {"SM", N_("San Marino") },
            {"SN", N_("Senegal") },
            {"SO", N_("Somalia") },
            {"SR", N_("Suriname") },
            {"ST", N_("Sao Tome and Principe") },
            {"SU", N_("Former USSR") },
            {"SV", N_("El Salvador") },
            {"SY", N_("Syria") },
            {"SZ", N_("Swaziland") },
            {"TC", N_("Turks and Caicos Islands") },
            {"TD", N_("Chad") },
            {"TF", N_("French Southern Territories") },
            {"TG", N_("Togo") },
            {"TH", N_("Thailand") },
            {"TJ", N_("Tajikistan") },
            {"TK", N_("Tokelau") },
            {"TM", N_("Turkmenistan") },
            {"TN", N_("Tunisia") },
            {"TO", N_("Tonga") },
            {"TP", N_("East Timor") },
            {"TR", N_("Turkey") },
            {"TT", N_("Trinidad and Tobago") },
            {"TV", N_("Tuvalu") },
            {"TW", N_("Taiwan") },
            {"TZ", N_("Tanzania") },
            {"UA", N_("Ukraine") },
            {"UG", N_("Uganda") },
            {"UK", N_("United Kingdom") },
            {"UM", N_("US Minor Outlying Islands") },
            {"US", N_("United States of America") },
            {"UY", N_("Uruguay") },
            {"UZ", N_("Uzbekistan") },
            {"VA", N_("Vatican City State") },
            {"VC", N_("St. Vincent and the Grenadines") },
            {"VE", N_("Venezuela") },
            {"VG", N_("British Virgin Islands") },
            {"VI", N_("US Virgin Islands") },
            {"VN", N_("Vietnam") },
            {"VU", N_("Vanuatu") },
            {"WF", N_("Wallis and Futuna Islands") },
            {"WS", N_("Samoa") },
            {"YE", N_("Yemen") },
            {"YT", N_("Mayotte") },
            {"YU", N_("Yugoslavia") },
            {"ZA", N_("South Africa") },
            {"ZM", N_("Zambia") },
            {"ZW", N_("Zimbabwe") },
};

char *
country (char *hostname)
{
      char *p;
      domain_t *dom;

      if (!hostname || !*hostname || isdigit ((unsigned char) hostname[strlen (hostname) - 1]))
            return _("Unknown");
      if ((p = strrchr (hostname, '.')))
            p++;
      else
            p = hostname;

      dom = bsearch (p, domain, sizeof (domain) / sizeof (domain_t),
                                    sizeof (domain_t), country_compare);

      if (!dom)
            return _("Unknown");

      return _(dom->country);
}

void
country_search (char *pattern, void *ud, void (*print)(void *, char *, ...))
{
      const domain_t *dom;
      int i;

      for (i = 0; i < sizeof (domain) / sizeof (domain_t); i++)
      {
            dom = &domain[i];
            if (match (pattern, dom->country) || match (pattern, _(dom->country)))
            {
                  print (ud, "%s = %s\n", dom->code, _(dom->country));
            }
      }
}

/* I think gnome1.0.x isn't necessarily linked against popt, ah well! */
/* !!! For now use this inlined function, or it would break fe-text building */
/* .... will find a better solution later. */
/*#ifndef USE_GNOME*/

/* this is taken from gnome-libs 1.2.4 */
#define POPT_ARGV_ARRAY_GROW_DELTA 5

int my_poptParseArgvString(const char * s, int * argcPtr, char *** argvPtr) {
    char * buf, * bufStart, * dst;
    const char * src;
    char quote = '\0';
    int argvAlloced = POPT_ARGV_ARRAY_GROW_DELTA;
    char ** argv = malloc(sizeof(*argv) * argvAlloced);
    const char ** argv2;
    int argc = 0;
    int i, buflen;

    buflen = strlen(s) + 1;
/*    bufStart = buf = alloca(buflen);*/
       bufStart = buf = malloc (buflen);
    memset(buf, '\0', buflen);

    src = s;
    argv[argc] = buf;

    while (*src) {
      if (quote == *src) {
          quote = '\0';
      } else if (quote) {
          if (*src == '\\') {
            src++;
            if (!*src) {
                free(argv);
                   free(bufStart);
                return 1;
            }
            if (*src != quote) *buf++ = '\\';
          }
          *buf++ = *src;
      } else if (isspace((unsigned char) *src)) {
          if (*argv[argc]) {
            buf++, argc++;
            if (argc == argvAlloced) {
                argvAlloced += POPT_ARGV_ARRAY_GROW_DELTA;
                argv = realloc(argv, sizeof(*argv) * argvAlloced);
            }
            argv[argc] = buf;
          }
      } else switch (*src) {
        case '"':
        case '\'':
          quote = *src;
          break;
        case '\\':
          src++;
          if (!*src) {
            free(argv);
            free(bufStart);
            return 1;
          }
          /* fallthrough */
        default:
          *buf++ = *src;
      }

      src++;
    }

    if (strlen(argv[argc])) {
      argc++, buf++;
    }

    dst = malloc((argc + 1) * sizeof(*argv) + (buf - bufStart));
    argv2 = (void *) dst;
    dst += (argc + 1) * sizeof(*argv);
    memcpy((void *)argv2, argv, argc * sizeof(*argv));
    argv2[argc] = NULL;
    memcpy(dst, bufStart, buf - bufStart);

    for (i = 0; i < argc; i++) {
      argv2[i] = dst + (argv[i] - bufStart);
    }

    free(argv);

    *argvPtr = (char **)argv2;      /* XXX don't change the API */
    *argcPtr = argc;

       free (bufStart);

    return 0;
}

int
util_exec (char *cmd)
{
      int pid;
      char **argv;
      int argc;
      int fd;

      if (my_poptParseArgvString (cmd, &argc, &argv) != 0)
            return -1;

#ifndef WIN32
      pid = fork ();
      if (pid == -1)
            return -1;
      if (pid == 0)
      {
            /* Now close all open file descriptors except stdin, stdout and stderr */
            for (fd = 3; fd < 1024; fd++) close(fd);
            execvp (argv[0], argv);
            _exit (0);
      } else
      {
            free (argv);
            return pid;
      }
#else
      spawnvp (_P_DETACH, argv[0], argv);
      free (argv);
      return 0;
#endif
}

unsigned long
make_ping_time (void)
{
#ifndef WIN32
      struct timeval timev;
      gettimeofday (&timev, 0);
#else
      GTimeVal timev;
      g_get_current_time (&timev);
#endif
      return (timev.tv_sec - 50000) * 1000000 + timev.tv_usec;
}


/************************************************************************
 *    This technique was borrowed in part from the source code to 
 *    ircd-hybrid-5.3 to implement case-insensitive string matches which
 *    are fully compliant with Section 2.2 of RFC 1459, the copyright
 *    of that code being (C) 1990 Jarkko Oikarinen and under the GPL.
 *    
 *    A special thanks goes to Mr. Okarinen for being the one person who
 *    seems to have ever noticed this section in the original RFC and
 *    written code for it.  Shame on all the rest of you (myself included).
 *    
 *        --+ Dagmar d'Surreal
 */

int
rfc_casecmp (const char *s1, const char *s2)
{
      register unsigned char *str1 = (unsigned char *) s1;
      register unsigned char *str2 = (unsigned char *) s2;
      register int res;

      while ((res = rfc_tolower (*str1) - rfc_tolower (*str2)) == 0)
      {
            if (*str1 == '\0')
                  return 0;
            str1++;
            str2++;
      }
      return (res);
}

int
rfc_ncasecmp (char *str1, char *str2, int n)
{
      register unsigned char *s1 = (unsigned char *) str1;
      register unsigned char *s2 = (unsigned char *) str2;
      register int res;

      while ((res = rfc_tolower (*s1) - rfc_tolower (*s2)) == 0)
      {
            s1++;
            s2++;
            n--;
            if (n == 0 || (*s1 == '\0' && *s2 == '\0'))
                  return 0;
      }
      return (res);
}

const unsigned char rfc_tolowertab[] =
      { 0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa,
      0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
      0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
      0x1e, 0x1f,
      ' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
      '*', '+', ',', '-', '.', '/',
      '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
      ':', ';', '<', '=', '>', '?',
      '@', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
      'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
      't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
      '_',
      '`', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i',
      'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's',
      't', 'u', 'v', 'w', 'x', 'y', 'z', '{', '|', '}', '~',
      0x7f,
      0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
      0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
      0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
      0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
      0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
      0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
      0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
      0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
      0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
      0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
      0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
      0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
      0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
      0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
      0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
      0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};

/*static unsigned char touppertab[] =
      { 0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7, 0x8, 0x9, 0xa,
      0xb, 0xc, 0xd, 0xe, 0xf, 0x10, 0x11, 0x12, 0x13, 0x14,
      0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d,
      0x1e, 0x1f,
      ' ', '!', '"', '#', '$', '%', '&', 0x27, '(', ')',
      '*', '+', ',', '-', '.', '/',
      '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
      ':', ';', '<', '=', '>', '?',
      '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
      'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
      'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
      0x5f,
      '`', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I',
      'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S',
      'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^',
      0x7f,
      0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
      0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f,
      0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99,
      0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f,
      0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
      0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf,
      0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9,
      0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf,
      0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9,
      0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
      0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9,
      0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf,
      0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
      0xea, 0xeb, 0xec, 0xed, 0xee, 0xef,
      0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, 0xf8, 0xf9,
      0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff
};*/

/*static int
rename_utf8 (char *oldname, char *newname)
{
      int sav, res;
      char *fso, *fsn;

      fso = g_filename_from_utf8 (oldname, -1, 0, 0, 0);
      if (!fso)
            return FALSE;
      fsn = g_filename_from_utf8 (newname, -1, 0, 0, 0);
      if (!fsn)
      {
            g_free (fso);
            return FALSE;
      }

      res = rename (fso, fsn);
      sav = errno;
      g_free (fso);
      g_free (fsn);
      errno = sav;
      return res;
}

static int
unlink_utf8 (char *fname)
{
      int res;
      char *fs;

      fs = g_filename_from_utf8 (fname, -1, 0, 0, 0);
      if (!fs)
            return FALSE;

      res = unlink (fs);
      g_free (fs);
      return res;
}*/

static gboolean
file_exists_utf8 (char *fname)
{
      int res;
      char *fs;

      fs = g_filename_from_utf8 (fname, -1, 0, 0, 0);
      if (!fs)
            return FALSE;

      res = access (fs, F_OK);
      g_free (fs);
      if (res == 0)
            return TRUE;
      return FALSE;
}

static gboolean
copy_file (char *dl_src, char *dl_dest, int permissions)    /* FS encoding */
{
      int tmp_src, tmp_dest;
      gboolean ok = FALSE;
      char dl_tmp[4096];
      int return_tmp, return_tmp2;

      if ((tmp_src = open (dl_src, O_RDONLY | OFLAGS)) == -1)
      {
            fprintf (stderr, "Unable to open() file '%s' (%s) !", dl_src,
                          strerror (errno));
            return FALSE;
      }

      if ((tmp_dest =
             open (dl_dest, O_WRONLY | O_CREAT | O_TRUNC | OFLAGS, permissions)) < 0)
      {
            close (tmp_src);
            fprintf (stderr, "Unable to create file '%s' (%s) !", dl_src,
                          strerror (errno));
            return FALSE;
      }

      for (;;)
      {
            return_tmp = read (tmp_src, dl_tmp, sizeof (dl_tmp));

            if (!return_tmp)
            {
                  ok = TRUE;
                  break;
            }

            if (return_tmp < 0)
            {
                  fprintf (stderr, "download_move_to_completed_dir(): "
                        "error reading while moving file to save directory (%s)",
                         strerror (errno));
                  break;
            }

            return_tmp2 = write (tmp_dest, dl_tmp, return_tmp);

            if (return_tmp2 < 0)
            {
                  fprintf (stderr, "download_move_to_completed_dir(): "
                        "error writing while moving file to save directory (%s)",
                         strerror (errno));
                  break;
            }

            if (return_tmp < sizeof (dl_tmp))
            {
                  ok = TRUE;
                  break;
            }
      }

      close (tmp_dest);
      close (tmp_src);
      return ok;
}

/* Takes care of moving a file from a temporary download location to a completed location. Now in UTF-8. */
void
move_file_utf8 (char *src_dir, char *dst_dir, char *fname, int dccpermissions)
{
      char src[4096];
      char dst[4096];
      int res, i;
      char *src_fs;     /* FileSystem encoding */
      char *dst_fs;

      /* if dcc_dir and dcc_completed_dir are the same then we are done */
      if (0 == strcmp (src_dir, dst_dir) ||
             0 == dst_dir[0])
            return;                 /* Already in "completed dir" */

      snprintf (src, sizeof (src), "%s/%s", src_dir, fname);
      snprintf (dst, sizeof (dst), "%s/%s", dst_dir, fname);

      /* already exists in completed dir? Append a number */
      if (file_exists_utf8 (dst))
      {
            for (i = 0; ; i++)
            {
                  snprintf (dst, sizeof (dst), "%s/%s.%d", dst_dir, fname, i);
                  if (!file_exists_utf8 (dst))
                        break;
            }
      }

      /* convert UTF-8 to filesystem encoding */
      src_fs = g_filename_from_utf8 (src, -1, 0, 0, 0);
      if (!src_fs)
            return;
      dst_fs = g_filename_from_utf8 (dst, -1, 0, 0, 0);
      if (!dst_fs)
      {
            g_free (src_fs);
            return;
      }

      /* first try a simple rename move */
      res = rename (src_fs, dst_fs);

      if (res == -1 && (errno == EXDEV || errno == EPERM))
      {
            /* link failed because either the two paths aren't on the */
            /* same filesystem or the filesystem doesn't support hard */
            /* links, so we have to do a copy. */
            if (copy_file (src_fs, dst_fs, dccpermissions))
                  unlink (src_fs);
      }

      g_free (dst_fs);
      g_free (src_fs);
}

int
mkdir_utf8 (char *dir)
{
      int ret;

      dir = g_filename_from_utf8 (dir, -1, 0, 0, 0);
      if (!dir)
            return -1;

#ifdef WIN32
      ret = mkdir (dir);
#else
      ret = mkdir (dir, S_IRUSR | S_IWUSR | S_IXUSR);
#endif
      g_free (dir);

      return ret;
}

/* separates a string according to a 'sep' char, then calls the callback
   function for each token found */

int
token_foreach (char *str, char sep,
                              int (*callback) (char *str, void *ud), void *ud)
{
      char t, *start = str;

      while (1)
      {
            if (*str == sep || *str == 0)
            {
                  t = *str;
                  *str = 0;
                  if (callback (start, ud) < 1)
                  {
                        *str = t;
                        return FALSE;
                  }
                  *str = t;

                  if (*str == 0)
                        break;
                  str++;
                  start = str;

            } else
            {
                  /* chars $00-$7f can never be embedded in utf-8 */
                  str++;
            }
      }

      return TRUE;
}

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