From 6c2769adcf6b1058aa382d7ae6a9e9d60e3a1e3d Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=98yvind=20Kol=C3=A5s?= <pippin@gimp.org>
Date: Sun, 8 Jul 2018 22:38:25 +0200
Subject: [PATCH] babl: export symbol babl_space_to_icc

---
 babl/babl-icc.c      | 18 +++++++++++-------
 babl/babl-internal.h | 18 ------------------
 babl/babl.h          | 19 +++++++++++++++++++
 export-symbols       |  1 +
 4 files changed, 31 insertions(+), 25 deletions(-)

diff --git a/babl/babl-icc.c b/babl/babl-icc.c
index 918b81e..ed6e0cc 100644
--- a/babl/babl-icc.c
+++ b/babl/babl-icc.c
@@ -484,14 +484,14 @@ switch (trc->type)
 
 static void symmetry_test (ICC *state);
 
-const char *babl_space_to_icc (const Babl  *babl,
-                               const char  *description,
-                               const char  *copyright,
-                               BablICCFlags flags,
-                               int         *ret_length)
+char *babl_space_to_icc (const Babl  *babl,
+                         const char  *description,
+                         const char  *copyright,
+                         BablICCFlags flags,
+                         int         *ret_length)
 {
   const BablSpace *space = &babl->space;
-  static char icc[65536];
+  char icc[65536];
   int length=65535;
   ICC *state = icc_state_new (icc, length, 10);
 
@@ -606,7 +606,11 @@ const char *babl_space_to_icc (const Babl  *babl,
     *ret_length = length;
 
   babl_free (state);
-  return icc;
+  {
+    char *ret = malloc (length);
+    memcpy (ret, icc, length);
+    return ret;
+  }
 }
 
 
diff --git a/babl/babl-internal.h b/babl/babl-internal.h
index 8645f90..2a0094d 100644
--- a/babl/babl-internal.h
+++ b/babl/babl-internal.h
@@ -410,25 +410,7 @@ int _babl_file_get_contents (const char  *path,
                              long        *length,
                              void        *error);
 
-typedef enum {
-  BABL_ICC_DEFAULTS = 0,
-  BABL_ICC_COMPACT_TRC_LUT = 1,
-} BablICCFlags;
 
-/* babl_space_to_icc:
- *
- * Creates an ICCv2 RGB matrix profile for a babl space. The profiles strive to
- * be as small and compact as possible, TRCs are stored as 1024 entry LUT(s).
- *
- * you should make a copy of the profile before making another call to this
- * function.
- */
-
-const char *babl_space_to_icc (const Babl  *space,
-                               const char  *description,
-                               const char  *copyright,
-                               BablICCFlags flags,
-                               int         *icc_length);
 
 /* babl_space_get_rgbtoxyz:
 
diff --git a/babl/babl.h b/babl/babl.h
index 1d7d433..f6ba782 100644
--- a/babl/babl.h
+++ b/babl/babl.h
@@ -488,6 +488,25 @@ const Babl * babl_trc_gamma (double gamma);
  */
 const Babl * babl_trc       (const char *name);
 
+typedef enum {
+  BABL_ICC_DEFAULTS = 0,
+  BABL_ICC_COMPACT_TRC_LUT = 1,
+} BablICCFlags;
+
+/* babl_space_to_icc:
+ *
+ * Creates an ICCv2 RGB matrix profile for a babl space. The profiles strive to
+ * be as small and compact as possible, TRCs are stored as 1024 entry LUT(s).
+ *
+ * the result is allocated with malloc and you should free it when done.
+ */
+
+char *babl_space_to_icc (const Babl  *space,
+                         const char  *description,
+                         const char  *copyright,
+                         BablICCFlags flags,
+                         int         *icc_length);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/export-symbols b/export-symbols
index 952aeb6..28c1851 100644
--- a/export-symbols
+++ b/export-symbols
@@ -41,6 +41,7 @@ babl_sampling
 babl_set_user_data
 babl_space
 babl_space_from_xyz
+babl_space_to_icc
 babl_chromaticities_make_space
 babl_space_get_rgbtoxyz
 babl_space_to_xyz
-- 
2.30.2