From: Dr. Michael Lauer <mickey@vanille-media.de>
Date: Fri, 16 Mar 2018 14:33:08 +0000 (+0100)
Subject: posix: Bind va_list and add string.concat() (POSIX)
X-Git-Tag: 0.41.90~142
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3b20375d44196400c7ef1faefeeeaf059b02b21f;p=thirdparty%2Fvala.git

posix: Bind va_list and add string.concat() (POSIX)

This fixes string templates when using the POSIX profile.
---

diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index 916ead5ff..93eb80b70 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -251,6 +251,17 @@ public struct time_t {
 	public time_t ();
 }
 
+[SimpleType]
+[CCode (cheader_filename = "stdarg.h", cprefix = "va_", has_type_id = false, destroy_function = "va_end", lvalue_access = false)]
+public struct va_list {
+	[CCode (cname = "va_start")]
+	public va_list ();
+	[CCode (cname = "va_copy")]
+	public va_list.copy (va_list src);
+	[CCode (generic_type_pos = 1.1, simple_generics = true)]
+	public unowned G arg<G> ();
+}
+
 [Compact]
 [Immutable]
 [CCode (cname = "char", const_cname = "const char", copy_function = "strdup", free_function = "free", cheader_filename = "stdlib.h,string.h")]
@@ -258,6 +269,20 @@ public class string {
 	[PrintfFormat]
 	public string printf (...);
 
+	public string concat (...) {
+		string result = this;
+		var l = va_list ();
+		while (true) {
+			unowned string? arg = l.arg ();
+			if (arg == null) {
+				break;
+			} else {
+				result += arg;
+			}
+		}
+		return result;
+	}
+
 	public inline unowned string to_string () {
 		return this;
 	}