Add 'const' to the context lock and alloc structure pointers.

This highlights the fact that we never alter the internals,
and allows callers to pass in static const pointers.

2 files changed, 5 insertions, 5 deletions

diff --git a/include/mupdf/fitz/context.h b/include/mupdf/fitz/context.h
index 0dce749c..32ee450d 100644
--- a/include/mupdf/fitz/context.h
+++ b/include/mupdf/fitz/context.h
@@ -102,8 +102,8 @@ void fz_flush_warnings(fz_context *ctx);
 struct fz_context_s
 {
 	void *user;
-	fz_alloc_context *alloc;
-	fz_locks_context *locks;
+	const fz_alloc_context *alloc;
+	const fz_locks_context *locks;
 	fz_id_context *id;
 	fz_error_context *error;
 	fz_warn_context *warn;
@@ -158,7 +158,7 @@ enum {
 
 	Does not throw exceptions, but may return NULL.
 */
-fz_context *fz_new_context_imp(fz_alloc_context *alloc, fz_locks_context *locks, unsigned int max_store, const char *version);
+fz_context *fz_new_context_imp(const fz_alloc_context *alloc, const fz_locks_context *locks, unsigned int max_store, const char *version);
 
 #define fz_new_context(alloc, locks, max_store) fz_new_context_imp(alloc, locks, max_store, FZ_VERSION)
 
diff --git a/source/fitz/context.c b/source/fitz/context.c
index 53f820a1..5d3373c2 100644
--- a/source/fitz/context.c
+++ b/source/fitz/context.c
@@ -112,7 +112,7 @@ fz_drop_context(fz_context *ctx)
  * that aren't shared between contexts.
  */
 static fz_context *
-new_context_phase1(fz_alloc_context *alloc, fz_locks_context *locks)
+new_context_phase1(const fz_alloc_context *alloc, const fz_locks_context *locks)
 {
 	fz_context *ctx;
 
@@ -159,7 +159,7 @@ cleanup:
 }
 
 fz_context *
-fz_new_context_imp(fz_alloc_context *alloc, fz_locks_context *locks, unsigned int max_store, const char *version)
+fz_new_context_imp(const fz_alloc_context *alloc, const fz_locks_context *locks, unsigned int max_store, const char *version)
 {
 	fz_context *ctx;