From 124c9d7299edfbbdd8b0fee0a25619908d293506 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Mon, 30 Oct 2017 01:29:29 -0400
Subject: atoi64(): New function

---
diff --git a/src/local.mk b/src/local.mk
index b6b5a9d..33cf992 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -7,6 +7,7 @@ marquee_SOURCES += \
 	%reldir%/main.c \
 	%reldir%/notebook.c \
 	%reldir%/resources.c \
+	%reldir%/string-utils.c \
 	%reldir%/tab-label.c \
 	%reldir%/tab-page.c \
 	%reldir%/tree.c \
diff --git a/src/string-utils.c b/src/string-utils.c
new file mode 100644
index 0000000..96b5a0e
--- /dev/null
+++ b/src/string-utils.c
@@ -0,0 +1,37 @@
+/*
+ * String utilities
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Marquee is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "string-utils.h"
+
+#include <inttypes.h>
+#include <stdio.h>
+
+gint64
+atoi64(const gchar *a)
+{
+	gint64 i64;
+
+	if (sscanf(a, "%" SCNd64, &i64)) {
+		return i64;
+	} else {
+		return 0;
+	}
+}
diff --git a/src/string-utils.h b/src/string-utils.h
new file mode 100644
index 0000000..5ea48ee
--- /dev/null
+++ b/src/string-utils.h
@@ -0,0 +1,34 @@
+/*
+ * String utilities
+ *
+ * Copyright (C) 2017  Patrick McDermott
+ *
+ * This file is part of Marquee.
+ *
+ * Marquee is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Marquee is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Marquee.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef MQ_STRING_UTILITIES_H
+#define MQ_STRING_UTILITIES_H
+
+#include <glib.h>
+
+G_BEGIN_DECLS
+
+gint64
+atoi64(const gchar *a);
+
+G_END_DECLS
+
+#endif  /* MQ_STRING_UTILITIES_H */
--
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