SourceFormat Enforcement

[thirdparty/squid.git] / lib / html_quote.c

diff --git a/lib/html_quote.c b/lib/html_quote.c
index 27937a5cd4a22b21ed65cb81d6b1abf42264f26b..a1c276d007ad01c351cfc77ebc1c884f24a031b5 100644 (file)
--- a/lib/html_quote.c
+++ b/lib/html_quote.c
@@ -1,50 +1,19 @@
 /*
- * $Id: html_quote.c,v 1.5 2003/01/23 00:37:01 robertc Exp $
- * 
- * DEBUG:
- * AUTHOR: Robert Collins
- *
- * SQUID Web Proxy Cache          http://www.squid-cache.org/
- * ----------------------------------------------------------
- *
- *  Squid is the result of efforts by numerous individuals from
- *  the Internet community; see the CONTRIBUTORS file for full
- *  details.   Many organizations have provided support for Squid's
- *  development; see the SPONSORS file for full details.  Squid is
- *  Copyrighted (C) 2001 by the Regents of the University of
- *  California; see the COPYRIGHT file for full details.  Squid
- *  incorporates software developed and/or copyrighted by other
- *  sources; see the CREDITS file for full details.
- *
- *  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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
+ * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
  *
+ * Squid software is distributed under GPLv2+ license and includes
+ * contributions from numerous individuals and organizations.
+ * Please see the COPYING and CONTRIBUTORS files for details.
  */
 
-#include "config.h"
+#include "squid.h"
+#include "html_quote.h"
 
-#if HAVE_STDIO_H
-#include <stdio.h>
-#endif
 #if HAVE_STRING_H
 #include <string.h>
 #endif
 
-#include "util.h"
-#include "snprintf.h"
-
-/*  
+/*
  *  HTML defines these characters as special entities that should be quoted.
  */
 static struct {
@@ -57,27 +26,27 @@ static struct {
      * see close to the MemPool commend below
      */
     {
-       '<', "&lt;"
+        '<', "&lt;"
     },
     {
-       '>', "&gt;"
+        '>', "&gt;"
     },
     {
-       '"', "&quot;"
+        '"', "&quot;"
     },
     {
-       '&', "&amp;"
+        '&', "&amp;"
     },
     {
-       '\'', "&#39;"
+        '\'', "&#39;"
     },
     {
-       0, NULL
+        0, NULL
     }
 };
 
 /*
- *  html_do_quote - Returns a static buffer containing the quoted 
+ *  html_do_quote - Returns a static buffer containing the quoted
  *  string.
  */
 char *
@@ -93,42 +62,43 @@ html_quote(const char *string)
      * MemPools are not yet available in lib...
      */
     if (buf == NULL || strlen(string) * 6 > bufsize) {
-       xfree(buf);
-       bufsize = strlen(string) * 6 + 1;
-       buf = xcalloc(bufsize, 1);
+        xfree(buf);
+        bufsize = strlen(string) * 6 + 1;
+        buf = xcalloc(bufsize, 1);
     }
     for (src = string, dst = buf; *src; src++) {
-       const char *escape = NULL;
-       const unsigned char ch = *src;
+        const char *escape = NULL;
+        const unsigned char ch = *src;
 
-       /* Walk thru the list of HTML Entities that must be quoted to
-        * display safely
-        */
-       for (i = 0; htmlstandardentities[i].code; i++) {
-           if (ch == htmlstandardentities[i].code) {
-               escape = htmlstandardentities[i].quote;
-               break;
-           }
-       }
-       /* Encode control chars just to be on the safe side, and make
-        * sure all 8-bit characters are encoded to protect from buggy
-        * clients
-        */
-       if (!escape && (ch <= 0x1F || ch >= 0x7f) && ch != '\n' && ch != '\r' && ch != '\t') {
-           static char dec_encoded[7];
-           snprintf(dec_encoded, sizeof dec_encoded, "&#%3d;", (int) ch);
-           escape = dec_encoded;
-       }
-       if (escape) {
-           /* Ok, An escaped form was found above. Use it */
-           strncpy(dst, escape, 6);
-           dst += strlen(escape);
-       } else {
-           /* Apparently there is no need to escape this character */
-           *dst++ = ch;
-       }
+        /* Walk thru the list of HTML Entities that must be quoted to
+         * display safely
+         */
+        for (i = 0; htmlstandardentities[i].code; i++) {
+            if (ch == htmlstandardentities[i].code) {
+                escape = htmlstandardentities[i].quote;
+                break;
+            }
+        }
+        /* Encode control chars just to be on the safe side, and make
+         * sure all 8-bit characters are encoded to protect from buggy
+         * clients
+         */
+        if (!escape && (ch <= 0x1F || ch >= 0x7f) && ch != '\n' && ch != '\r' && ch != '\t') {
+            static char dec_encoded[7];
+            snprintf(dec_encoded, sizeof dec_encoded, "&#%3d;", (int) ch);
+            escape = dec_encoded;
+        }
+        if (escape) {
+            /* Ok, An escaped form was found above. Use it */
+            strncpy(dst, escape, 6);
+            dst += strlen(escape);
+        } else {
+            /* Apparently there is no need to escape this character */
+            *dst++ = ch;
+        }
     }
     /* Nullterminate and return the result */
     *dst = '\0';
     return (buf);
 }
+