/*
utils.c -- gathering of some stupid small functions
- Copyright (C) 1999,2000 Ivo Timmermans <zarq@iname.com>
- 2000 Guus Sliepen <guus@sliepen.warande.net>
+ Copyright (C) 1999-2005 Ivo Timmermans
+ 2000-2009 Guus Sliepen <guus@tinc-vpn.org>
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
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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ 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.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#include <sys/types.h>
-#include <ctype.h>
-#include <string.h>
+#include "system.h"
-#include "config.h"
+#include "../src/logger.h"
+#include "utils.h"
-#include <utils.h>
-#include <syslog.h>
+const char hexadecimals[] = "0123456789ABCDEF";
-volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0};
-volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?"};
-volatile int cp_index = 0;
+int charhex2bin(char c) {
+ if(isdigit(c))
+ return c - '0';
+ else
+ return toupper(c) - 'A' + 10;
+}
-char *hexadecimals = "0123456789ABCDEF";
-int charhex2bin(char c)
-{
- if(isdigit(c))
- return c - '0';
- else
- return toupper(c) - 'A' + 10;
+void hex2bin(char *src, char *dst, int length) {
+ int i;
+ for(i = 0; i < length; i++)
+ dst[i] = charhex2bin(src[i * 2]) * 16 + charhex2bin(src[i * 2 + 1]);
}
-
-void hex2bin(char *src, char *dst, int length)
-{
- int i;
- for(i=0; i<length; i++)
- dst[i] = charhex2bin(src[i*2])*16 + charhex2bin(src[i*2+1]);
+void bin2hex(char *src, char *dst, int length) {
+ int i;
+ for(i = length - 1; i >= 0; i--) {
+ dst[i * 2 + 1] = hexadecimals[(unsigned char) src[i] & 15];
+ dst[i * 2] = hexadecimals[(unsigned char) src[i] >> 4];
+ }
}
-void bin2hex(char *src, char *dst, int length)
-{
- int i;
- for(i=length-1; i>=0; i--)
- {
- dst[i*2+1] = hexadecimals[(unsigned char)src[i] & 15];
- dst[i*2] = hexadecimals[(unsigned char)src[i]>>4];
- }
+#if defined(HAVE_MINGW) || defined(HAVE_CYGWIN)
+#ifdef HAVE_CYGWIN
+#include <w32api/windows.h>
+#endif
+
+const char *winerror(int err) {
+ static char buf[1024], *newline;
+
+ if (!FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
+ NULL, err, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), buf, sizeof(buf), NULL)) {
+ strncpy(buf, "(unable to format errormessage)", sizeof(buf));
+ };
+
+ if((newline = strchr(buf, '\r')))
+ *newline = '\0';
+
+ return buf;
}
+#endif
-void cp_trace()
-{
- syslog(LOG_DEBUG, "Checkpoint trace: %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d ...",
- cp_file[(cp_index+7)%8], cp_line[(cp_index+7)%8],
- cp_file[(cp_index+6)%8], cp_line[(cp_index+6)%8],
- cp_file[(cp_index+5)%8], cp_line[(cp_index+5)%8],
- cp_file[(cp_index+4)%8], cp_line[(cp_index+4)%8],
- cp_file[(cp_index+3)%8], cp_line[(cp_index+3)%8],
- cp_file[(cp_index+2)%8], cp_line[(cp_index+2)%8],
- cp_file[(cp_index+1)%8], cp_line[(cp_index+1)%8],
- cp_file[cp_index], cp_line[cp_index]
- );
+unsigned int bitfield_to_int(void *bitfield, size_t size) {
+ unsigned int value = 0;
+ if(size > sizeof value)
+ size = sizeof value;
+ memcpy(&value, bitfield, size);
+ return value;
}