ngIRCd Release 22~rc1

[ngircd-alex.git] / src / tool / tool.c

diff --git a/src/tool/tool.c b/src/tool/tool.c
index ef3fb5d73467355782698aa0b5c78ac44b50bad1..b00e235eb739039f8d6d66a519689cb7d299308e 100644 (file)
--- a/src/tool/tool.c
+++ b/src/tool/tool.c
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2010 Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
  *
  * 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
@@ -16,11 +16,12 @@
  * Tool functions
  */
 
-#include "imp.h"
 #include <assert.h>
 #include <ctype.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
+#include <sys/time.h>
 
 #include <netinet/in.h>
 
@@ -29,7 +30,6 @@
 #include <syslog.h>
 #endif
 
-#include "exp.h"
 #include "tool.h"
 
 
@@ -82,7 +82,7 @@ ngt_UpperStr(char *String)
 
        ptr = String;
        while(*ptr) {
-               *ptr = toupper(*ptr);
+               *ptr = toupper((int)*ptr);
                ptr++;
        }
        return String;
@@ -101,7 +101,7 @@ ngt_LowerStr(char *String)
 
        ptr = String;
        while(*ptr) {
-               *ptr = tolower(*ptr);
+               *ptr = tolower((int)*ptr);
                ptr++;
        }
        return String;
@@ -129,6 +129,35 @@ ngt_TrimLastChr( char *String, const char Chr)
 } /* ngt_TrimLastChr */
 
 
+/**
+ * Fill a String with random chars
+ */
+GLOBAL char *
+ngt_RandomStr(char *String, const size_t len)
+{
+       static const char chars[] = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"#$&'()*+,-./:;<=>?@[\\]^_`";
+       struct timeval t;
+       size_t i;
+
+       assert(String != NULL);
+
+       gettimeofday(&t, NULL);
+#ifndef HAVE_ARC4RANDOM
+       srand((unsigned)(t.tv_usec * t.tv_sec));
+
+       for (i = 0; i < len; ++i) {
+               String[i] = chars[rand() % (sizeof(chars) - 1)];
+       }
+#else
+       for (i = 0; i < len; ++i)
+               String[i] = chars[arc4random() % (sizeof(chars) - 1)];
+#endif
+       String[len] = '\0';
+
+       return String;
+} /* ngt_RandomStr */
+
+
 #ifdef SYSLOG