X-Git-Url: http://www.privoxy.org/gitweb/?a=blobdiff_plain;f=miscutil.c;h=6298e9de1205a3d9c328f47ee03cfa510be40535;hb=f09cf90bb03348ea74740a292aa48813c55f1875;hp=831f3c5d60f2a2c51ada6c6343b5e3d719f9f66f;hpb=1f08d9d6f20b37b4e7fc055e4cfb20c0a01693f4;p=privoxy.git

diff --git a/miscutil.c b/miscutil.c
index 831f3c5d..6298e9de 100644
--- a/miscutil.c
+++ b/miscutil.c
@@ -7,7 +7,7 @@
  *                to deserve their own file but don't really fit in
  *                any other file.
  *
- * Copyright   :  Written by and Copyright (C) 2001-2020 the
+ * Copyright   :  Written by and Copyright (C) 2001-2022 the
  *                Privoxy team. https://www.privoxy.org/
  *
  *                Based on the Internet Junkbuster originally written
@@ -700,8 +700,7 @@ char * make_path(const char * dir, const char * file)
           * Relative path, so start with the base directory.
           */
          path_size += strlen(basedir) + 1; /* +1 for the slash */
-         path = malloc(path_size);
-         if (!path) log_error(LOG_LEVEL_FATAL, "malloc failed!");
+         path = malloc_or_die(path_size);
          strlcpy(path, basedir, path_size);
          strlcat(path, "/", path_size);
          strlcat(path, dir, path_size);
@@ -709,8 +708,7 @@ char * make_path(const char * dir, const char * file)
       else
 #endif /* defined unix */
       {
-         path = malloc(path_size);
-         if (!path) log_error(LOG_LEVEL_FATAL, "malloc failed!");
+         path = malloc_or_die(path_size);
          strlcpy(path, dir, path_size);
       }
 
@@ -1002,6 +1000,49 @@ time_t timegm(struct tm *tm)
 #endif /* !defined(HAVE_TIMEGM) && defined(HAVE_TZSET) && defined(HAVE_PUTENV) */
 
 
+/*********************************************************************
+ *
+ * Function    :  host_is_ip_address
+ *
+ * Description :  Checks whether or not a host is specified by
+ *                IP address. Does not actually validate the
+ *                address.
+ *
+ * Parameters  :
+ *          1  :  host = The host name to check
+ *
+ * Returns     :   1 => Yes
+ *                 0 => No
+ *
+ *********************************************************************/
+extern int host_is_ip_address(const char *host)
+{
+   const char *p;
+
+   if (NULL != strstr(host, ":"))
+   {
+      /* Assume an IPv6 address. */
+      return 1;
+   }
+
+   for (p = host; *p; p++)
+   {
+      if ((*p != '.') && !privoxy_isdigit(*p))
+      {
+         /* Not a dot or digit so it can't be an IPv4 address. */
+         return 0;
+      }
+   }
+
+   /*
+    * Host only consists of dots and digits so
+    * assume that is an IPv4 address.
+    */
+   return 1;
+
+}
+
+
 /*
   Local Variables:
   tab-width: 3