add config file loader

[uwplayer.git] / application / utils.c

diff --git a/application/utils.c b/application/utils.c
new file mode 100644 (file)
index 0000000..35b0ab5
--- /dev/null
+++ b/application/utils.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 Olaf Wintermann
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a 
+ * copy of this software and associated documentation files (the "Software"), 
+ * to deal in the Software without restriction, including without limitation 
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
+ * and/or sell copies of the Software, and to permit persons to whom the 
+ * Software is furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in 
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "utils.h"
+
+#include <ucx/string.h>
+
+
+char* util_concat_path(const char *url_base, const char *p) {
+    sstr_t base = sstr((char*)url_base);
+    sstr_t path;
+    if(p) {
+        path = sstr((char*)p);
+    } else {
+        path = sstrn("", 0);
+    }
+    
+    int add_separator = 0;
+    if(base.length != 0 && base.ptr[base.length-1] == '/') {
+        if(path.ptr[0] == '/') {
+            base.length--;
+        }
+    } else {
+        if(path.length == 0 || path.ptr[0] != '/') {
+            add_separator = 1;
+        }
+    }
+    
+    sstr_t url;
+    if(add_separator) {
+        url = sstrcat(3, base, sstr("/"), path);
+    } else {
+        url = sstrcat(2, base, path);
+    }
+    
+    return url.ptr;
+}