[babl] babl: make utility file reading function non-static

[Øyvind Kolås <ok src gnome org>]

commit 3b7fc88e1dc173092921474051c6971cf4d6e5a4
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Sep 13 15:10:07 2017 +0200

    babl: make utility file reading function non-static

 babl/babl-cache.c    |   41 +----------------------------------------
 babl/babl-internal.h |    4 ++++
 babl/babl-util.c     |   39 +++++++++++++++++++++++++++++++++++++++
 3 files changed, 44 insertions(+), 40 deletions(-)
---
diff --git a/babl/babl-cache.c b/babl/babl-cache.c
index 2b25628..0200a11 100644
--- a/babl/babl-cache.c
+++ b/babl/babl-cache.c
@@ -195,45 +195,6 @@ void babl_store_db (void)
   free (tmpp);
 }
 
-static int
-babl_file_get_contents (const char  *path,
-                        char       **contents,
-                        long        *length,
-                        void        *error)
-{
-  FILE *file;
-  long  size;
-  char *buffer;
-
-  file = fopen (path,"rb");
-
-  if (!file)
-    return -1;
-
-  fseek (file, 0, SEEK_END);
-  size = ftell (file);
-  if (length) *length = size;
-  rewind (file);
-  buffer = calloc(size + 8, 1);
-
-  if (!buffer)
-    {
-      fclose(file);
-      return -1;
-    }
-
-  size -= fread (buffer, 1, size, file);
-  if (size)
-    {
-      fclose (file);
-      free (buffer);
-      return -1;
-    }
-  fclose (file);
-  *contents = buffer;
-  return 0;
-}
-
 int
 _babl_fish_path_destroy (void *data);
 
@@ -259,7 +220,7 @@ void babl_init_db (void)
   if (getenv ("BABL_DEBUG_CONVERSIONS"))
     return;
 
-  babl_file_get_contents (path, &contents, &length, NULL);
+  _babl_file_get_contents (path, &contents, &length, NULL);
   if (!contents)
     return;
 
diff --git a/babl/babl-internal.h b/babl/babl-internal.h
index 7bf0544..a4dc5f7 100644
--- a/babl/babl-internal.h
+++ b/babl/babl-internal.h
@@ -424,5 +424,9 @@ const Babl * babl_trc_gamma (double gamma);
  */
 const Babl * babl_trc       (const char *name);
 
+int _babl_file_get_contents (const char  *path,
+                             char       **contents,
+                             long        *length,
+                             void        *error);
 
 #endif
diff --git a/babl/babl-util.c b/babl/babl-util.c
index 01a5e97..9b08913 100644
--- a/babl/babl-util.c
+++ b/babl/babl-util.c
@@ -99,3 +99,42 @@ babl_rel_avg_error (const double *imgA,
   return error;
 }
 
+int
+_babl_file_get_contents (const char  *path,
+                         char       **contents,
+                         long        *length,
+                         void        *error)
+{
+  FILE *file;
+  long  size;
+  char *buffer;
+
+  file = fopen (path,"rb");
+
+  if (!file)
+    return -1;
+
+  fseek (file, 0, SEEK_END);
+  size = ftell (file);
+  if (length) *length = size;
+  rewind (file);
+  buffer = calloc(size + 8, 1);
+
+  if (!buffer)
+    {
+      fclose(file);
+      return -1;
+    }
+
+  size -= fread (buffer, 1, size, file);
+  if (size)
+    {
+      fclose (file);
+      free (buffer);
+      return -1;
+    }
+  fclose (file);
+  *contents = buffer;
+  return 0;
+}
+