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/*==========================================================================
LinPac: Packet Radio Terminal for Linux
(c) Radek Burget OK2JBG (xburge01@stud.fee.vutbr.cz) 1998 - 2000
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.
tools.cc
Various tool functions
Last update 14.3.2000
=========================================================================*/
#include <ctype.h>
#include <fcntl.h>
#include <unistd.h>
#include <ncurses.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <sys/stat.h>
#include "tools.h"
char *conv_in[MAX_CHN+1];
char *conv_out[MAX_CHN+1];
FILE *errlog;
void Error(int no, const char *fmt, ...)
{
va_list argptr;
va_start(argptr, fmt);
fprintf(stderr, "%s %s ", date_stamp(), time_stamp());
vfprintf(stderr, fmt, argptr);
if (no != 0) fprintf(stderr, " : %s\n", strerror(no));
else fprintf(stderr, "\n");
va_end(argptr);
}
char *strcopy(char *dest, const char *src, size_t n)
{
strncpy(dest, src, n-1);
dest[n-1] = '\0';
return dest;
}
void striplf(char *s)
{
if (s[strlen(s)-1] == '\n') s[strlen(s)-1] = '\0';
}
char *time_stamp(bool utc)
{
struct tm *cas;
time_t secs = time(NULL);
if (utc) cas = gmtime(&secs);
else cas = localtime(&secs);
static char tt[32];
//sprintf(tt, "%2i.%02i.%2i %2i:%02i:%02i", cas->tm_mday, cas->tm_mon+1,
// cas->tm_year, cas->tm_hour, cas->tm_min, cas->tm_sec);
sprintf(tt, "%2i:%02i", cas->tm_hour, cas->tm_min);
//strftime(tt, 30, "%X", cas);
return tt;
}
char *date_stamp(bool utc)
{
struct tm *cas;
time_t secs = time(NULL);
if (utc) cas = gmtime(&secs);
else cas = localtime(&secs);
static char tt[32];
//sprintf(tt, "%i.%i.%i", cas->tm_mday, cas->tm_mon+1, cas->tm_year+1900);
strftime(tt, 30, "%x", cas);
return tt;
}
char *time_zone_name(int i)
{
return tzname[i];
}
char *sys_info()
{
static char s[128];
struct utsname info;
uname(&info);
sprintf(s, "%s %s / %s", info.sysname, info.release, info.machine);
return s;
}
#ifndef DAEMON_ONLY_MODE
//Prints into the ncurses window using specified attribute
void wprinta(void *win, int attr, const char *fmt, ...)
{
va_list argptr;
char s[256];
unsigned i;
va_start(argptr, fmt);
vsprintf(s, fmt, argptr);
va_end(argptr);
for (i=0; i<strlen(s); i++) waddch((WINDOW *)win, s[i] | attr);
}
#endif
char *first_call(const char *src, char *dest)
{
char *s = const_cast<char *>(src);
char *d = dest;
while (*s != '\0' && *s != ' ') *d++ = *s++;
return dest;
}
int call_ssid(const char *src)
{
char *p = const_cast<char *>(src);
while (*p != '\0' && *p != '-') p++;
if (*p) p++;
if (*p) return atoi(p);
else return 0;
}
char *call_call(const char *src)
{
static char s[15];
char *p = const_cast<char *>(src);
strcpy(s, "");
while (*p && isalnum(*p) && strlen(s) < 6) {strncat(s, p, 1); p++;}
return s;
}
char *strip_ssid(char *src)
{
if (call_ssid(src) == 0)
{
char *p = src;
while (*p != '\0' && *p != '-') p++;
*p = '\0';
}
return src;
}
char *normalize_call(char *call)
{
char c[8];
strcopy(c, call_call(call), 8);
int ssid = call_ssid(call);
if (ssid == 0) strcpy(call, c); else sprintf(call, "%s-%i", c, ssid);
for (char *p = call; *p; p++) *p = toupper(*p);
return call;
}
bool call_match(const char *call1, const char *call2)
{
char s1[15];
char s2[15];
strcopy(s1, call_call(call1), 15);
strcopy(s2, call_call(call2), 15);
return (*s1 && *s2 && strcasecmp(s1, s2) == 0 && call_ssid(call1) == call_ssid(call2));
}
const char *state_str(int state)
{
switch (state)
{
case 0: return "Disconnected";
case 1: return "Link setup";
case 2: return "Disconnecting";
case 3: return "Info transfer";
case 4: return "Wait ack";
case 5: return "State 5";
case 6: return "State 6";
case 7: return "State 7";
case 8: return "State 8";
default: return "Unknown";
}
}
bool is_number(const char *s)
{
char *p = const_cast<char *>(s);
bool b = true;
while (*p)
{
if (!isdigit(*p)) {b = false; break;}
p++;
}
return b;
}
int load_conversion_tables(int chn, char *name)
{
FILE *f;
char fname[256];
char buffer[512]; /* max 256 chars for input and output */
sprintf(fname, "%s.ctt", name);
f = fopen(fname, "r");
if (f == NULL) return -1;
int size = fread(buffer, 1, 512, f);
conv_in[chn] = (char *)realloc(conv_in[chn], size/2);
memcpy(conv_in[chn], buffer, size/2);
conv_out[chn] = (char *)realloc(conv_out[chn], size/2);
memcpy(conv_out[chn], buffer + size/2, size/2);
fclose(f);
return size/2;
}
bool compare_aliases(const char *alias1, const char *alias2)
{
int i;
for (i = 0; alias1[i] && alias2[i]; i++)
if (!
(toupper(alias1[i]) == toupper(alias2[i]) ||
(alias1[i] == '-' && alias2[i] == '_') ||
(alias1[i] == '_' && alias2[i] == '-'))) return false;
if (alias1[i] != alias2[i]) return false; //different lengths
return true;
}
bool get_enc_alias(const char *alias, char *name, char *table)
{
FILE *f;
f = fopen(ENCODINGS, "r");
if (f)
{
char al[256];
char nm[256];
char tb[256];
while (!feof(f))
{
char s[1024];
strcpy(s, "");
if (fgets(s, 1023, f) != NULL)
{
striplf(s);
char *p = strchr(s, '#');
if (p != NULL) *p = '\0';
int n = sscanf(s, "%s %s %s", al, nm, tb);
if ((n == 2 || n == 3) && compare_aliases(alias, al))
{
strcpy(name, nm);
if (n == 3) strcpy(table, tb); else strcpy(table, "");
return true;
}
}
}
fclose(f);
}
return false;
}
bool redirect_errorlog(char const *path)
{
fflush(stderr);
if (errlog != NULL) fclose(errlog);
errlog = fopen(path, "a");
if (errlog != NULL)
{
if (dup2(fileno(errlog), 2) == -1) return false;
}
else return false;
Error(0, "Logging started");
return true;
}
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