memzap

commit fd0d7bc2bffa40a376fd4def7148de03a27a6b25
parent fdcc971d1dc2e851e4a50eae1f3424d68f00b351
Author: sin <sin@2f30.org>
Date:   Fri,  1 Mar 2013 12:13:00 +0000

memzap: No need to use extra pointers here

Diffstat:
M
memzap.c
 | 
12
+++++-------

1 file changed, 5 insertions(+), 7 deletions(-)
diff --git a/memzap.c b/memzap.c
@@ -40,7 +40,7 @@ main(int argc, char *argv[])
 	struct mem_region_diff *rdiff;
 	int ret, stat;
 	pid_t pid;
-	unsigned char *buf, *buf_new, *pold, *pnew;
+	unsigned char *buf, *buf_new;
 	char *addr;
 	size_t len;
 
@@ -100,12 +100,10 @@ main(int argc, char *argv[])
 	if (!WIFSTOPPED(stat))
 		goto out_mmap;
 
-	pold = buf;
-	pnew = buf_new;
 	do {
-		readmem(pid, pold, (off_t)addr, len);
+		readmem(pid, buf, (off_t)addr, len);
 
-		mr_old = build_mem_region(pold, len);
+		mr_old = build_mem_region(buf, len);
 		if (!mr_old)
 			errx(1, "[-] Failed to build memory region\n");
 		mt_old = build_mem_tree(mr_old);
@@ -123,9 +121,9 @@ main(int argc, char *argv[])
 			goto out_mmap;
 		}
 
-		readmem(pid, pnew, (off_t)addr, len);
+		readmem(pid, buf_new, (off_t)addr, len);
 
-		mr_new = build_mem_region(pnew, len);
+		mr_new = build_mem_region(buf_new, len);
 		if (!mr_new)
 			errx(1, "[-] Failed to build memory region\n");
 		rdiff = diff_mem_region(mt_old, mr_new);