X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Ftool%2Ftool.c;h=3b9cc255aed18141c38d6548804798bf396ff125;hb=61d1c864c55291c1f5f81f284e984b044fe2722f;hp=fa69ffb12e654a1cbd008e37119fa06c914d7e5f;hpb=4943bbb066bb49603743ae03846689d2f82441b6;p=ngircd-alex.git

diff --git a/src/tool/tool.c b/src/tool/tool.c
index fa69ffb1..3b9cc255 100644
--- a/src/tool/tool.c
+++ b/src/tool/tool.c
@@ -7,18 +7,22 @@
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  * Please read the file COPYING, README and AUTHORS for more information.
- *
- * Tool functions
  */
 
-
 #include "portab.h"
 
+/**
+ * @file
+ * 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>
 
@@ -80,7 +84,7 @@ ngt_UpperStr(char *String)
 
 	ptr = String;
 	while(*ptr) {
-		*ptr = toupper(*ptr);
+		*ptr = toupper((int)*ptr);
 		ptr++;
 	}
 	return String;
@@ -99,7 +103,7 @@ ngt_LowerStr(char *String)
 
 	ptr = String;
 	while(*ptr) {
-		*ptr = tolower(*ptr);
+		*ptr = tolower((int)*ptr);
 		ptr++;
 	}
 	return String;
@@ -127,6 +131,35 @@ 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
 
 
@@ -186,8 +219,8 @@ CODE facilitynames[] = {
 #endif
 
 
-GLOBAL char
-*ngt_SyslogFacilityName(int Facility)
+GLOBAL const char*
+ngt_SyslogFacilityName(int Facility)
 {
 	int i = 0;
 	while(facilitynames[i].c_name) {