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a hyperfast web frontend for git written in c 

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>
Mark Lodato lodatom@gmail.com
Mon, 08 Feb 2010 23:04:41 -0500
commit

8aab27f24de70acfbdcee31c634a4b1facf23b92

parent

547a64fbd65de293c290f4e18bbeae958d54aaa7

2 files changed, 26 insertions(+), 26 deletions(-)

jump to
M html.c → html.c 
@@ -63,9 +63,9 @@ if (!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 @@ if (t!=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 @@ if (len<0)
 		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 @@ if (t!=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 @@ if (t!=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 @@ if (t!=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 @@ html_attr(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 @@ html_txt(text);
 	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 @@ return 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);
M html.h → 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 */