From d2bb2b4681e1387f7ec0640a3d2b93d5683f9abe Mon Sep 17 00:00:00 2001
From: Jouni Malinen <jouni@qca.qualcomm.com>
Date: Thu, 28 Mar 2013 10:38:17 +0200
Subject: [PATCH] Add os_file_exists()

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
---
 src/utils/os.h      |  7 +++++++
 src/utils/os_unix.c | 10 ++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/utils/os.h b/src/utils/os.h
index d63ac294b..f019e26b1 100644
--- a/src/utils/os.h
+++ b/src/utils/os.h
@@ -239,6 +239,13 @@ int os_unsetenv(const char *name);
  */
 char * os_readfile(const char *name, size_t *len);
 
+/**
+ * os_file_exists - Check whether the specified file exists
+ * @fname: Path and name of the file
+ * Returns: 1 if the file exists or 0 if not
+ */
+int os_file_exists(const char *fname);
+
 /**
  * os_zalloc - Allocate and zero memory
  * @size: Number of bytes to allocate
diff --git a/src/utils/os_unix.c b/src/utils/os_unix.c
index fa67fdfb6..008ec6b08 100644
--- a/src/utils/os_unix.c
+++ b/src/utils/os_unix.c
@@ -407,6 +407,16 @@ char * os_readfile(const char *name, size_t *len)
 }
 
 
+int os_file_exists(const char *fname)
+{
+	FILE *f = fopen(fname, "rb");
+	if (f == NULL)
+		return 0;
+	fclose(f);
+	return 1;
+}
+
+
 #ifndef WPA_TRACE
 void * os_zalloc(size_t size)
 {