/*
utils.c -- gathering of some stupid small functions
- Copyright (C) 1999 Ivo Timmermans <zarq@iname.com>
+ Copyright (C) 1999-2001 Ivo Timmermans <zarq@iname.com>
+ 2000,2001 Guus Sliepen <guus@sliepen.warande.net>
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
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <sys/types.h>
+#include <ctype.h>
+#include <string.h>
+#include <stdarg.h>
+
#include "config.h"
#include <utils.h>
+#include <syslog.h>
+#include <xalloc.h>
+
+#ifdef ENABLE_TRACING
+volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?", "?"};
+volatile int cp_index = 0;
+#endif
+
+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 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];
+ }
+}
+
+#ifdef ENABLE_TRACING
+void cp_trace()
+{
+ syslog(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],
+ cp_file[(cp_index+13)%16], cp_line[(cp_index+13)%16],
+ cp_file[(cp_index+12)%16], cp_line[(cp_index+12)%16],
+ cp_file[(cp_index+11)%16], cp_line[(cp_index+11)%16],
+ cp_file[(cp_index+10)%16], cp_line[(cp_index+10)%16],
+ cp_file[(cp_index+9)%16], cp_line[(cp_index+9)%16],
+ cp_file[(cp_index+8)%16], cp_line[(cp_index+8)%16],
+ cp_file[(cp_index+7)%16], cp_line[(cp_index+7)%16],
+ cp_file[(cp_index+6)%16], cp_line[(cp_index+6)%16],
+ cp_file[(cp_index+5)%16], cp_line[(cp_index+5)%16],
+ cp_file[(cp_index+4)%16], cp_line[(cp_index+4)%16],
+ cp_file[(cp_index+3)%16], cp_line[(cp_index+3)%16],
+ cp_file[(cp_index+2)%16], cp_line[(cp_index+2)%16],
+ cp_file[(cp_index+1)%16], cp_line[(cp_index+1)%16],
+ cp_file[cp_index], cp_line[cp_index]
+ );
+}
+#endif
+
+#ifndef HAVE_ASPRINTF
+int asprintf(char **buf, const char *fmt, ...)
+{
+ int status;
+ va_list ap;
+ int len;
+
+ len = 4096;
+ *buf = xmalloc(len);
+
+ va_start(ap, fmt);
+ status = vsnprintf (*buf, len, fmt, ap);
+ va_end (ap);
+
+ if(status >= 0)
+ *buf = xrealloc(*buf, status);
-volatile int cp_line;
-volatile char *cp_file;
+ if(status > len-1)
+ {
+ len = status;
+ va_start(ap, fmt);
+ status = vsnprintf (*buf, len, fmt, ap);
+ va_end (ap);
+ }
+ return status;
+}
+#endif