X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftool%2Ftool.c;h=b00e235eb739039f8d6d66a519689cb7d299308e;hb=6e4235443eb4dee0930a65e613c8bf5e00331f73;hp=ef3fb5d73467355782698aa0b5c78ac44b50bad1;hpb=03628dbeaf40a9de34b3eb6d5bf6dd34eed8248c;p=ngircd-alex.git

diff --git a/src/tool/tool.c b/src/tool/tool.c
index ef3fb5d7..b00e235e 100644
--- 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