1 files changed, 110 insertions, 0 deletions
diff --git a/src/util.c b/src/util.c
new file mode 100644
index 0000000..878b511
--- /dev/null
+++ b/src/util.c
@@ -0,0 +1,110 @@
+/**
+ * Utility functions
+ * Library: joedog
+ *
+ * Copyright (C) 2000-2009 by
+ * Jeffrey Fulmer - <jeff@joedog.org>
+ * This file is distributed as part of Siege 
+ *
+ * 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
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA  
+ * 
+ */
+#include <util.h>
+#include <notify.h>
+#include <memory.h>
+
+/**
+ * substring        returns a char pointer from
+ *                  start to start + length in a
+ *                  larger char pointer (buffer).
+ */
+char *
+substring(char *str, int start, int len)
+{
+  int   i;
+  char  *ret;
+  char  *res;
+  char  *ptr;
+  char  *end;
+
+//  if ((len < 1) || (start < 0) || (start > (int)strlen (str)) || start+len > (int)strlen(str))
+//    return NULL;
+
+  if ((len < 1) || (start < 0) || (start > (int)strlen (str)))
+    return NULL;
+
+  if (start+len > (int)strlen(str)) 
+    len = strlen(str) - start;
+
+  ret = xmalloc(len+1);
+  res = ret;
+  ptr = str;
+  end = str;
+
+  for (i = 0; i < start; i++, ptr++) ;
+  for (i = 0; i < start+len; i++, end++) ;
+  while (ptr < end)
+    *res++ = *ptr++;
+
+  *res = 0;
+  return ret;
+}
+
+/**
+ * my_random        returns a random int
+ */  
+int 
+my_random( int max, int seed )
+{
+  srand( (unsigned)time( NULL ) * seed ); 
+  return (int)((double)rand() / ((double)RAND_MAX + 1) * max ); 
+}
+
+void 
+itoa( int n, char s[] )
+{
+  int i, sign;
+  if(( sign = n ) < 0 )
+    n = -n;
+  i = 0;
+  do{
+    s[i++] = n % 10 + '0';
+  } while(( n /= 10 ) > 0 );
+  if( sign < 0  )
+    s[i++] = '-';
+  s[i] = '\0';
+ 
+  reverse( s );
+}
+
+void 
+reverse( char s[] )
+{
+  int c, i, j;
+  for( i = 0, j = strlen( s )-1; i < j; i++, j-- ){
+    c    = s[i];
+    s[i] = s[j];
+    s[j] = c;
+  } /** end of for     **/
+}   /** end of reverse **/
+
+float 
+elapsed_time( clock_t time )
+{
+  long tps = sysconf( _SC_CLK_TCK );
+  return (float)time/tps;
+}
+
+