/*
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) 1999-2003 Ivo Timmermans <zarq@iname.com>
+ 2000-2003 Guus Sliepen <guus@sliepen.eu.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
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include "config.h"
+
#include <sys/types.h>
#include <ctype.h>
-
-#include "config.h"
+#include <string.h>
#include <utils.h>
#include <syslog.h>
+#include <xalloc.h>
-volatile int (cp_line[]) = {0, 0, 0, 0, 0, 0, 0, 0};
-volatile char (*cp_file[]) = {"?", "?", "?", "?", "?", "?", "?", "?"};
+#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 *charbin2hex = "0123456789ABCDEF";
+char *hexadecimals = "0123456789ABCDEF";
int charhex2bin(char c)
{
- if(isdigit(c))
- return c - '0';
- else
- return tolower(c) - 'a' + 10;
+ 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])<<4 || charhex2bin(src[i*2+1]);
+ 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] = charbin2hex[(unsigned char)src[i] & 15];
- dst[i*2] = charbin2hex[(unsigned char)src[i]>>4];
- }
+ 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];
+ }
}
-char *cp_trace()
+#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 ...",
- 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]
- );
+ 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