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-rw-r--r--src/w32heap.h12
1 files changed, 6 insertions, 6 deletions
diff --git a/src/w32heap.h b/src/w32heap.h
index fda3c58bf01..aae4845b4cc 100644
--- a/src/w32heap.h
+++ b/src/w32heap.h
@@ -24,8 +24,8 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
#include <windows.h>
-#define ROUND_UP(p, align) (((DWORD)(p) + (align)-1) & ~((align)-1))
-#define ROUND_DOWN(p, align) ((DWORD)(p) & ~((align)-1))
+#define ROUND_UP(p, align) (((DWORD_PTR)(p) + (align)-1) & ~((DWORD_PTR)(align)-1))
+#define ROUND_DOWN(p, align) ((DWORD_PTR)(p) & ~((DWORD_PTR)(align)-1))
/*
* Heap related stuff.
@@ -42,7 +42,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
extern unsigned char *get_data_start (void);
extern unsigned char *get_data_end (void);
-extern unsigned long reserved_heap_size;
+extern size_t reserved_heap_size;
extern SYSTEM_INFO sysinfo_cache;
extern OSVERSIONINFO osinfo_cache;
extern BOOL using_dynamic_heap;
@@ -58,13 +58,13 @@ enum {
extern int os_subtype;
/* Emulation of Unix sbrk(). */
-extern void *sbrk (unsigned long size);
+extern void *sbrk (ptrdiff_t size);
/* Initialize heap structures for sbrk on startup. */
extern void init_heap (void);
/* Round the heap to this size. */
-extern void round_heap (unsigned long size);
+extern void round_heap (size_t size);
/* Cache system info, e.g., the NT page size. */
extern void cache_system_info (void);
@@ -89,6 +89,6 @@ IMAGE_SECTION_HEADER * find_section (char * name, IMAGE_NT_HEADERS * nt_header);
/* Return pointer to section header for section containing the given
relative virtual address. */
-IMAGE_SECTION_HEADER * rva_to_section (DWORD rva, IMAGE_NT_HEADERS * nt_header);
+IMAGE_SECTION_HEADER * rva_to_section (DWORD_PTR rva, IMAGE_NT_HEADERS * nt_header);
#endif /* NTHEAP_H_ */