Merge branch 'sverk/cpool_fetch-dc_list-fix' into maint

OTP-13147

* sverk/cpool_fetch-dc_list-fix:
  erts: Reduce alloc_SUITE:rbtree runtime for valgrind
  erts: Remove double free in efile_drv
  erts: Improve alloc_SUITE:migration test
  erts: Pass free mem and build type to alloc_SUITE tests
  erts: Fix snprintf in alloc_SUITE for windows
  erts: Workaround for strange crash on win64 in alloc_SUITE test code
  erts: Refactor alloc_SUITE to use NIFs instead of drivers
  erts: Add enif_getenv
  erts: Make key argument constant for erl_drv_{get|put}env
  erts: Add alloc_SUITE:migration
  erts: Add TEST allocator
  erts: Fix confusion of callbacks destroying_mbc() vs remove_mbc()
  erts: Fix resurrection of carriers from dc_list

1 files changed, 2 insertions, 2 deletions

diff --git a/erts/emulator/beam/erl_driver.h b/erts/emulator/beam/erl_driver.h
index 6b406d069c..dbb4d719c1 100644
--- a/erts/emulator/beam/erl_driver.h
+++ b/erts/emulator/beam/erl_driver.h
@@ -696,8 +696,8 @@ EXTERN int driver_dl_close(void *);
 EXTERN char *driver_dl_error(void);
 
 /* environment */
-EXTERN int erl_drv_putenv(char *key, char *value);
-EXTERN int erl_drv_getenv(char *key, char *value, size_t *value_size);
+EXTERN int erl_drv_putenv(const char *key, char *value);
+EXTERN int erl_drv_getenv(const char *key, char *value, size_t *value_size);
 
 #ifdef __OSE__
 typedef ErlDrvUInt ErlDrvOseEventId;