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authorMark Lodato <lodatom@gmail.com>2010-02-08 23:04:41 -0500
committerMark Lodato <lodatom@gmail.com>2010-02-08 23:04:41 -0500
commit8aab27f24de70acfbdcee31c634a4b1facf23b92 (patch)
tree10e5f83a5f0c2a286ec2d1feecf6732f863c9a47
parent547a64fbd65de293c290f4e18bbeae958d54aaa7 (diff)
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>
-rw-r--r--html.c34
-rw-r--r--html.h18
2 files changed, 26 insertions, 26 deletions
diff --git a/html.c b/html.c
index 66ba65d..4033200 100644
--- a/html.c
+++ b/html.c
@@ -63,9 +63,9 @@ void html_status(int code, const char *msg, int more_headers)
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 @@ void html_txt(char *txt)
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 @@ void html_ntxt(int len, char *txt)
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 @@ void html_attr(char *txt)
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 @@ void html_url_path(char *txt)
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 @@ void html_url_arg(char *txt)
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 @@ void html_hidden(char *name, char *value)
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 @@ void html_option(char *value, char *text, char *selected_value)
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 @@ char *convert_query_hexchar(char *txt)
}
}
-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);
diff --git a/html.h b/html.h
index a55d4b2..16d55ec 100644
--- a/html.h
+++ b/html.h
@@ -7,18 +7,18 @@ extern void html_raw(const char *txt, size_t size);
extern void html(const char *txt);
extern void htmlf(const char *format,...);
extern void html_status(int code, const char *msg, int more_headers);
-extern void html_txt(char *txt);
-extern void html_ntxt(int len, char *txt);
-extern void html_attr(char *txt);
-extern void html_url_path(char *txt);
-extern void html_url_arg(char *txt);
-extern void html_hidden(char *name, char *value);
-extern void html_option(char *value, char *text, char *selected_value);
-extern void html_link_open(char *url, char *title, char *class);
+extern void html_txt(const char *txt);
+extern void html_ntxt(int len, const char *txt);
+extern void html_attr(const char *txt);
+extern void html_url_path(const char *txt);
+extern void html_url_arg(const char *txt);
+extern void html_hidden(const char *name, const char *value);
+extern void html_option(const char *value, const char *text, const char *selected_value);
+extern void html_link_open(const char *url, const char *title, const char *class);
extern void html_link_close(void);
extern void html_fileperm(unsigned short mode);
extern int html_include(const char *filename);
-extern int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value));
+extern int http_parse_querystring(const char *txt, void (*fn)(const char *name, const char *value));
#endif /* HTML_H */