file: escape strings in HTML output

[project/uhttpd.git] / utils.c

diff --git a/utils.c b/utils.c
index 1c61c41..d990d7d 100644 (file)
--- a/utils.c
+++ b/utils.c
@@ -269,11 +269,11 @@ static bool is_html_special_char(char c)
 
 char *uh_htmlescape(const char *str)
 {
-       size_t len;
+       size_t i, len;
        char *p, *copy;
 
-       for (p = str, len = 1; *p; p++)
-               if (is_html_special_char(*p))
+       for (i = 0, len = 1; str[i]; i++)
+               if (is_html_special_char(str[i]))
                        len += 6; /* &#x??; */
                else
                        len++;
@@ -283,11 +283,11 @@ char *uh_htmlescape(const char *str)
        if (!copy)
                return NULL;
 
-       for (p = copy; *str; str++)
-               if (is_html_special_char(*str))
-                       p += sprintf(p, "&#x%02x;", (unsigned int)*str);
+       for (i = 0, p = copy; str[i]; i++)
+               if (is_html_special_char(str[i]))
+                       p += sprintf(p, "&#x%02x;", (unsigned int)str[i]);
                else
-                       *p++ = *str;
+                       *p++ = str[i];
 
        return copy;
 }