[vala] glib-2.0: Add string.last_index_of

[Jürg Billeter <juergbi src gnome org>]

commit 7e4a8f29ba14303d543d18bab2299d41f069c867
Author: Jürg Billeter <j bitron ch>
Date:   Thu Jan 20 22:08:41 2011 +0100

    glib-2.0: Add string.last_index_of
    
    This deprecates string.rstr.

 vapi/glib-2.0.vapi |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)
---
diff --git a/vapi/glib-2.0.vapi b/vapi/glib-2.0.vapi
index 5ea94db..628192b 100644
--- a/vapi/glib-2.0.vapi
+++ b/vapi/glib-2.0.vapi
@@ -958,6 +958,7 @@ public class string {
 	[Deprecated (replacement = "string.index_of")]
 	[CCode (cname = "strstr")]
 	public unowned string? str (string needle);
+	[Deprecated (replacement = "string.last_index_of")]
 	[CCode (cname = "g_strrstr")]
 	public unowned string? rstr (string needle);
 	[CCode (cname = "g_strrstr_len")]
@@ -965,6 +966,8 @@ public class string {
 
 	[CCode (cname = "strstr")]
 	static char* strstr (char* haystack, char* needle);
+	[CCode (cname = "g_strrstr")]
+	static char* strrstr (char* haystack, char* needle);
 	[CCode (cname = "g_utf8_strchr")]
 	static char* utf8_strchr (char* str, ssize_t len, unichar c);
 
@@ -978,6 +981,16 @@ public class string {
 		}
 	}
 
+	public int last_index_of (string needle, int start_index = 0) {
+		char* result = strrstr ((char*) this + start_index, (char*) needle);
+
+		if (result != null) {
+			return (int) (result - (char*) this);
+		} else {
+			return -1;
+		}
+	}
+
 	public int index_of_char (unichar c, int start_index = 0) {
 		char* result = utf8_strchr ((char*) this + start_index, -1, c);