html: make all strings 'const char *'
None of the html_* functions modify their argument, so they can all be
'const char *' instead of a simple 'char *'. This removes the need to
cast (or copy) when trying to print a const string.
Signed-off-by: Mark Lodato <lodatom@gmail.com>
diff --git a/html.c b/html.c
index 66ba65d..4033200 100644
--- a/html.c
+++ b/html.c
@@ -63,9 +63,9 @@
html("\n");
}
-void html_txt(char *txt)
+void html_txt(const char *txt)
{
- char *t = txt;
+ const char *t = txt;
while(t && *t){
int c = *t;
if (c=='<' || c=='>' || c=='&') {
@@ -84,9 +84,9 @@
html(txt);
}
-void html_ntxt(int len, char *txt)
+void html_ntxt(int len, const char *txt)
{
- char *t = txt;
+ const char *t = txt;
while(t && *t && len--){
int c = *t;
if (c=='<' || c=='>' || c=='&') {
@@ -107,9 +107,9 @@
html("...");
}
-void html_attr(char *txt)
+void html_attr(const char *txt)
{
- char *t = txt;
+ const char *t = txt;
while(t && *t){
int c = *t;
if (c=='<' || c=='>' || c=='\'' || c=='\"') {
@@ -130,9 +130,9 @@
html(txt);
}
-void html_url_path(char *txt)
+void html_url_path(const char *txt)
{
- char *t = txt;
+ const char *t = txt;
while(t && *t){
int c = *t;
if (c=='"' || c=='#' || c=='\'' || c=='?') {
@@ -146,9 +146,9 @@
html(txt);
}
-void html_url_arg(char *txt)
+void html_url_arg(const char *txt)
{
- char *t = txt;
+ const char *t = txt;
while(t && *t){
int c = *t;
if (c=='"' || c=='#' || c=='%' || c=='&' || c=='\'' || c=='+' || c=='?') {
@@ -162,7 +162,7 @@
html(txt);
}
-void html_hidden(char *name, char *value)
+void html_hidden(const char *name, const char *value)
{
html("<input type='hidden' name='");
html_attr(name);
@@ -171,7 +171,7 @@
html("'/>");
}
-void html_option(char *value, char *text, char *selected_value)
+void html_option(const char *value, const char *text, const char *selected_value)
{
html("<option value='");
html_attr(value);
@@ -183,7 +183,7 @@
html("</option>\n");
}
-void html_link_open(char *url, char *title, char *class)
+void html_link_open(const char *url, const char *title, const char *class)
{
html("<a href='");
html_attr(url);
@@ -257,14 +257,14 @@
}
}
-int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value))
+int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const char *value))
{
- char *t, *value = NULL, c;
+ char *t, *txt, *value = NULL, c;
- if (!txt)
+ if (!txt_)
return 0;
- t = txt = strdup(txt);
+ t = txt = strdup(txt_);
if (t == NULL) {
printf("Out of memory\n");
exit(1);