From: David Herrmann <dh.herrmann@googlemail.com>
Date: Sat, 26 Nov 2011 14:27:10 +0000 (+0100)
Subject: Add kmscon_char_dup()
X-Git-Tag: kmscon-7~1365
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a12cf0aa7f6e031becfceb57f6c515a6f9b86758;p=platform%2Fupstream%2Fkmscon.git

Add kmscon_char_dup()

Add helper function to duplicate a kmscon_char object.

Signed-off-by: David Herrmann <dh.herrmann@googlemail.com>
---

diff --git a/src/console.h b/src/console.h
index 79c37c1..b6c1131 100644
--- a/src/console.h
+++ b/src/console.h
@@ -23,6 +23,7 @@ struct kmscon_console;
 /* single printable characters */
 
 int kmscon_char_new(struct kmscon_char **out);
+int kmscon_char_dup(struct kmscon_char **out, const struct kmscon_char *orig);
 void kmscon_char_free(struct kmscon_char *ch);
 
 int kmscon_char_set_u8(struct kmscon_char *ch, const char *str, size_t len);
diff --git a/src/console_char.c b/src/console_char.c
index 0ccc452..c47e32c 100644
--- a/src/console_char.c
+++ b/src/console_char.c
@@ -61,6 +61,33 @@ int kmscon_char_new(struct kmscon_char **out)
 	return 0;
 }
 
+int kmscon_char_dup(struct kmscon_char **out, const struct kmscon_char *orig)
+{
+	struct kmscon_char *ch;
+
+	if (!out || !orig)
+		return -EINVAL;
+
+	ch = malloc(sizeof(*ch));
+	if (!ch)
+		return -ENOMEM;
+
+	memset(ch, 0, sizeof(*ch));
+
+	ch->len = orig->len;
+	ch->size = orig->size;
+	ch->buf = malloc(ch->size);
+	if (!ch->buf) {
+		free(ch);
+		return -ENOMEM;
+	}
+
+	memcpy(ch->buf, orig->buf, ch->size);
+
+	*out = ch;
+	return 0;
+}
+
 void kmscon_char_free(struct kmscon_char *ch)
 {
 	if (!ch)