/*
utils.c -- gathering of some stupid small functions
- Copyright (C) 1999-2003 Ivo Timmermans <zarq@iname.com>
- 2000-2003 Guus Sliepen <guus@sliepen.eu.org>
+ 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 "system.h"
volatile int cp_index = 0;
#endif
-char *hexadecimals = "0123456789ABCDEF";
+const char hexadecimals[] = "0123456789ABCDEF";
-int charhex2bin(char c)
-{
+int charhex2bin(char c) {
if(isdigit(c))
return c - '0';
else
}
-void hex2bin(char *src, char *dst, int length)
-{
+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)
-{
+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];
}
#ifdef ENABLE_TRACING
-void cp_trace()
-{
+void cp_trace() {
logger(LOG_DEBUG, "Checkpoint trace: %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d <- %s:%d...",
cp_file[(cp_index + 15) % 16], cp_line[(cp_index + 15) % 16],
cp_file[(cp_index + 14) % 16], cp_line[(cp_index + 14) % 16],
);
}
#endif
+
+#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
+
+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;
+}