From 687e4ae7442e9763e0587553d50a4177d2f9b6ca Mon Sep 17 00:00:00 2001
From: Cedric Bail <cedric.bail@samsung.com>
Date: Mon, 4 Nov 2013 11:26:59 +0900
Subject: [PATCH] eina: roll const into Eina_File API.

Note that eina_file_dup is const from the caller perspective as it
will return a fresh "non const" Eina_File that it will be able to
manipulate as it like.
---
 src/lib/eina/eina_file.h        |  8 ++++----
 src/lib/eina/eina_file_common.c | 10 ++++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/lib/eina/eina_file.h b/src/lib/eina/eina_file.h
index 8384e2a22a..fa0331619e 100644
--- a/src/lib/eina/eina_file.h
+++ b/src/lib/eina/eina_file.h
@@ -507,7 +507,7 @@ EAPI Eina_Bool eina_file_refresh(Eina_File *file);
  *
  * @since 1.8
  */
-EAPI Eina_File * eina_file_dup(Eina_File *file);
+EAPI Eina_File * eina_file_dup(const Eina_File *file);
 
 /**
  * @brief Unref file handler.
@@ -528,7 +528,7 @@ EAPI void eina_file_close(Eina_File *file);
  *
  * @since 1.1
  */
-EAPI size_t eina_file_size_get(Eina_File *file);
+EAPI size_t eina_file_size_get(const Eina_File *file);
 
 /**
  * @brief Get the last modification time of an open file.
@@ -538,7 +538,7 @@ EAPI size_t eina_file_size_get(Eina_File *file);
  *
  * @since 1.1
  */
-EAPI time_t eina_file_mtime_get(Eina_File *file);
+EAPI time_t eina_file_mtime_get(const Eina_File *file);
 
 /**
  * @brief Get the filename of an open file.
@@ -548,7 +548,7 @@ EAPI time_t eina_file_mtime_get(Eina_File *file);
  *
  * @since 1.1
  */
-EAPI const char *eina_file_filename_get(Eina_File *file);
+EAPI const char *eina_file_filename_get(const Eina_File *file);
 
 /**
  * @brief Get the eXtended attribute of an open file.
diff --git a/src/lib/eina/eina_file_common.c b/src/lib/eina/eina_file_common.c
index e5b1250e09..5a0250cc4a 100644
--- a/src/lib/eina/eina_file_common.c
+++ b/src/lib/eina/eina_file_common.c
@@ -431,8 +431,10 @@ eina_file_virtual(Eina_File *file)
 }
 
 EAPI Eina_File *
-eina_file_dup(Eina_File *file)
+eina_file_dup(const Eina_File *f)
 {
+   Eina_File *file = (Eina_File*) f;
+
    if (file)
      {
         eina_lock_take(&file->lock);
@@ -464,21 +466,21 @@ eina_file_close(Eina_File *file)
 }
 
 EAPI size_t
-eina_file_size_get(Eina_File *file)
+eina_file_size_get(const Eina_File *file)
 {
    EINA_SAFETY_ON_NULL_RETURN_VAL(file, 0);
    return file->length;
 }
 
 EAPI time_t
-eina_file_mtime_get(Eina_File *file)
+eina_file_mtime_get(const Eina_File *file)
 {
    EINA_SAFETY_ON_NULL_RETURN_VAL(file, 0);
    return file->mtime;
 }
 
 EAPI const char *
-eina_file_filename_get(Eina_File *file)
+eina_file_filename_get(const Eina_File *file)
 {
    EINA_SAFETY_ON_NULL_RETURN_VAL(file, NULL);
    return file->filename;