proj.h: add proj_context_set_file_finder() and proj_context_set_search_paths() (refs #1150)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/proj.h b/src/proj.h
index ef14f237..214bad17 100644
--- a/src/proj.h
+++ b/src/proj.h
@@ -336,6 +336,12 @@ typedef struct projCtx_t PJ_CONTEXT;
 PJ_CONTEXT PROJ_DLL *proj_context_create (void);
 PJ_CONTEXT PROJ_DLL *proj_context_destroy (PJ_CONTEXT *ctx);
 
+/** Callback to resolve a filename to a full path */
+typedef const char* (*proj_file_finder) (PJ_CONTEXT *ctx, const char*, void* user_data);
+
+void PROJ_DLL proj_context_set_file_finder(PJ_CONTEXT *ctx, proj_file_finder finder, void* user_data);
+void PROJ_DLL proj_context_set_search_paths(PJ_CONTEXT *ctx, int count_paths, const char* const* paths);
+
 void PROJ_DLL proj_context_use_proj4_init_rules(PJ_CONTEXT *ctx, int enable);
 int PROJ_DLL proj_context_get_use_proj4_init_rules(PJ_CONTEXT *ctx, int from_legacy_code_path);