Eliminate C++ warnings about deprecated register keyword (GC source)

Issue #206 (bdwgc).

* blacklst.c (GC_number_stack_black_listed, total_stack_black_listed):
Remove register keyword for local variables.
* dyn_load.c [IRIX5 || USE_PROC_FOR_LIBRARIES && !LINUX]
(GC_register_dynamic_libraries): Likewise.
* extra/pcr_interface.c [PCR] (GC_enumerate_block): Likewise.
* finalize.c (GC_grow_table): Likewise.
* headers.c (alloc_hdr, GC_init_headers, GC_remove_counts,
GC_prev_block): Likewise.
* include/private/gc_pmark.h (PUSH_OBJ): Likewise.
* mach_dep.c [!HAVE_PUSH_REGS && !HAVE_BUILTIN_UNWIND_INIT]
(GC_with_callee_saves_pushed): Likewise.
* mark.c (clear_marks_for_block): Likewise.
* mark_rts.c [MSWIN32 || MSWINCE || CYGWIN32] (GC_add_roots_inner):
Likewise.
* mark_rts.c [!NO_DEBUGGING] (GC_is_tmp_root): Likewise.
* os_dep.c [GWW_VDB || MPROTECT_VDB || PROC_VDB || MANUAL_VDB]
(GC_page_was_dirty): Likewise.
* os_dep.c [CHECKSUMS && GWW_VDB || PROC_VDB] (GC_or_pages,
GC_page_was_ever_dirty): Likewise.
* os_dep.c (GC_write_fault_handler): Likewise.
* os_dep.c [PROC_VDB] (GC_read_dirty): Likewise.
* os_dep.c [MPROTECT_VDB && DARWIN] (catch_exception_raise): Likewise.
* os_dep.c [SAVE_CALL_CHAIN && NARGS>0] (GC_save_callers): Likewise.
* pthread_stop_world.c [!NACL] (GC_start_world): Likewise.
* pthread_support.c (GC_delete_thread, GC_delete_gc_thread): Likewise.
* typd_mlc.c (GC_push_complex_descriptor): Likewise.
* win32_threads.c (GC_delete_gc_thread_no_free, GC_delete_thread):
Likewise.

1 files changed, 8 insertions, 7 deletions

diff --git a/headers.c b/headers.c
index 0c258de7..bdc8311d 100644
--- a/headers.c
+++ b/headers.c
@@ -167,9 +167,9 @@ static hdr * hdr_free_list = 0;
 /* Return an uninitialized header */
 static hdr * alloc_hdr(void)
 {
-    register hdr * result;
+    hdr * result;
 
-    if (hdr_free_list == 0) {
+    if (NULL == hdr_free_list) {
         result = (hdr *)GC_scratch_alloc(sizeof(hdr));
     } else {
         result = hdr_free_list;
@@ -192,7 +192,7 @@ GC_INLINE void free_hdr(hdr * hhdr)
 
 GC_INNER void GC_init_headers(void)
 {
-    register unsigned i;
+    unsigned i;
 
     GC_all_nils = (bottom_index *)GC_scratch_alloc(sizeof(bottom_index));
     if (GC_all_nils == NULL) {
@@ -302,7 +302,8 @@ GC_INNER void GC_remove_header(struct hblk *h)
 /* Remove forwarding counts for h */
 GC_INNER void GC_remove_counts(struct hblk *h, size_t sz/* bytes */)
 {
-    register struct hblk * hbp;
+    struct hblk * hbp;
+
     for (hbp = h+1; (word)hbp < (word)h + sz; hbp += 1) {
         SET_HDR(hbp, 0);
     }
@@ -376,12 +377,12 @@ GC_INNER struct hblk * GC_next_used_block(struct hblk *h)
 /* Unlike the above, this may return a free block.              */
 GC_INNER struct hblk * GC_prev_block(struct hblk *h)
 {
-    register bottom_index * bi;
-    register signed_word j = ((word)h >> LOG_HBLKSIZE) & (BOTTOM_SZ-1);
+    bottom_index * bi;
+    signed_word j = ((word)h >> LOG_HBLKSIZE) & (BOTTOM_SZ-1);
 
     GET_BI(h, bi);
     if (bi == GC_all_nils) {
-        register word hi = (word)h >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE);
+        word hi = (word)h >> (LOG_BOTTOM_SZ + LOG_HBLKSIZE);
         bi = GC_all_bottom_indices_end;
         while (bi != 0 && bi -> key > hi) bi = bi -> desc_link;
         j = BOTTOM_SZ - 1;