Misc updates

[~andy/ct] / lib.c

diff --git a/lib.c b/lib.c
index 7b46a0593cca853d568b934d2335b7dc526a8088..90e698b40402da58c205115df244b4d20886f972 100644 (file)
--- a/lib.c
+++ b/lib.c
@@ -1,8 +1,48 @@
 #define _GNU_SOURCE
+#include <glib.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <printf.h>
 
+/* Misc */
+void ct_print_header(const char *content_type, const char *charset)
+{
+       if (!content_type) content_type = "text/html";
+       if (!charset)      charset      = "UTF-8";
+       printf("Content-Type: %s; charset=%s\n\n",
+                       content_type, charset);
+}
+
+/* Environment */
+const gchar *ct_get_path_info(void)
+{
+       return g_getenv("PATH_INFO") ?: "";
+}
+
+const gchar *ct_get_query_string(void)
+{
+       return g_getenv("QUERY_STRING") ?: "";
+}
+
+const GHashTable *ct_get_query(void)
+{
+       const gchar *query_string = g_getenv("QUERY_STRING");
+       GHashTable *query = g_hash_table_new(g_str_hash, g_str_equal);
+       if (query_string) {
+               gchar **vars = g_strsplit(query_string, "&", -1);
+               for (int i = 0; vars[i]; i++) {
+                       gchar **parts = g_strsplit(vars[i], "=", 2);
+                       gchar *lhs = parts[0]             ? parts[0] : "";
+                       gchar *rhs = parts[0] && parts[1] ? parts[1] : "";
+                       g_hash_table_insert(query, lhs, rhs);
+                       g_free(parts); // keep lhs/rhs
+               }
+               g_strfreev(vars);
+       }
+       return query;
+}
+
+/* Markup escaping */
 static int printf_markup(FILE *stream,
                const struct printf_info *info,
                const void *const *args)