X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=lib%2Futils.c;h=6ea904a59d15a63803faee04c448e8e43665b4ad;hp=795ece92f5700c188d127e692738efb342d59522;hb=6d08eb1614b59d5f86a43edda9db06fca72b76cd;hpb=f25868fd2b58bc0b350a5cfaf342480f28f804cf diff --git a/lib/utils.c b/lib/utils.c index 795ece92..6ea904a5 100644 --- a/lib/utils.c +++ b/lib/utils.c @@ -1,7 +1,7 @@ /* utils.c -- gathering of some stupid small functions - Copyright (C) 1999,2000 Ivo Timmermans - 2000 Guus Sliepen + Copyright (C) 1999-2005 Ivo Timmermans + 2000-2009 Guus Sliepen 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 @@ -13,62 +13,64 @@ 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 -#include -#include +#include "system.h" -#include "config.h" +#include "../src/logger.h" +#include "utils.h" -#include -#include +static 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; +static 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= 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 +#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(const void *bitfield, size_t size) { + unsigned int value = 0; + if(size > sizeof value) + size = sizeof value; + memcpy(&value, bitfield, size); + return value; }