From f5ebc22eebb6deae812446e85cbbe09183a80e11 Mon Sep 17 00:00:00 2001
From: Spencer Oliver <spen@spen-soft.co.uk>
Date: Thu, 5 Dec 2013 22:11:09 +0000
Subject: [PATCH] utils: add unescape_tag function

This is added to remove any escape chars from a string.
This will be used in a pending patch, that correctly reads .nfo files that
contain escape chars.

Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
---
 utils.c | 20 ++++++++++++++++++++
 utils.h |  1 +
 2 files changed, 21 insertions(+)

diff --git a/utils.c b/utils.c
index 5382d53..f6552db 100644
--- a/utils.c
+++ b/utils.c
@@ -206,6 +206,26 @@ modifyString(char * string, const char * before, const char * after)
 	return string;
 }
 
+char *
+unescape_tag(const char *tag, int force_alloc)
+{
+	char *esc_tag = NULL;
+
+	if( strstr(tag, "&amp;") || strstr(tag, "&lt;") || strstr(tag, "&gt;")
+			|| strstr(tag, "&quot;") )
+	{
+		esc_tag = strdup(tag);
+		esc_tag = modifyString(esc_tag, "&amp;", "&");
+		esc_tag = modifyString(esc_tag, "&lt;", "<");
+		esc_tag = modifyString(esc_tag, "&gt;", ">");
+		esc_tag = modifyString(esc_tag, "&quot;", "\"");
+	}
+	else if( force_alloc )
+		esc_tag = strdup(tag);
+
+	return esc_tag;
+}
+
 char *
 escape_tag(const char *tag, int force_alloc)
 {
diff --git a/utils.h b/utils.h
index d9d49a4..a3088bb 100644
--- a/utils.h
+++ b/utils.h
@@ -36,6 +36,7 @@ char *strstrc(const char *s, const char *p, const char t);
 char *strcasestrc(const char *s, const char *p, const char t);
 char *modifyString(char * string, const char * before, const char * after);
 char *escape_tag(const char *tag, int force_alloc);
+char *unescape_tag(const char *tag, int force_alloc);
 void strip_ext(char * name);
 
 /* Metadata functions */