From 56f6178da2825ff6b9f894c0e2812591817718e7 Mon Sep 17 00:00:00 2001
From: Thara Gopinath <thara.gopinath@linaro.org>
Date: Fri, 14 Jul 2017 13:25:17 -0400
Subject: Define file operations.

This patch adds functions for file open, file read line and
file close.

Signed-off-by: Thara Gopinath <thara.gopinath@linaro.org>
---
 utils.c | 38 ++++++++++++++++++++++++++++++++++++++
 utils.h |  5 +++--
 2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/utils.c b/utils.c
index 5976f74..bf0c148 100644
--- a/utils.c
+++ b/utils.c
@@ -95,3 +95,41 @@ out_free:
 	free(rpath);
 	return ret;
 }
+
+int file_open(FILE **fp, const char *path, const char *name, const char *format)
+{
+	int ret;
+	char *rpath;
+
+	ret = asprintf(&rpath, "%s/%s", path, name);
+	if (ret < 0)
+		return ret;
+
+	ret = 0;
+	*fp = fopen(rpath, format);
+	if (!(*fp))
+		ret = -1;
+
+	free(rpath);
+	return ret;
+}
+
+int file_read_line(FILE **fp, char *line, int size)
+{
+	if (!(*fp))
+		return -1;
+
+	if (fgets(line, size, *fp) != NULL)
+		return 0;
+	else
+		return -1;
+}
+
+int file_close(FILE **fp)
+{
+	if (!(*fp))
+		return -1;
+
+	fclose(*fp);
+	return 0;
+}
diff --git a/utils.h b/utils.h
index bd3f9bb..61be653 100644
--- a/utils.h
+++ b/utils.h
@@ -25,6 +25,7 @@ extern int file_read_value(const char *path, const char *name,
                            const char *format, void *value);
 extern int file_write_value(const char *path, const char *name,
 				const char *format, void *value);
-
-
+extern int file_open(FILE **fp, const char *path, const char *name, const char *format);
+extern int file_read_line(FILE **fp, char *line, int size);
+extern int file_close(FILE **fp);
 #endif
-- 
cgit v1.2.3