X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;ds=sidebyside;f=diffcore-order.c;h=23e93852d8c701760d56e7e728dba7c08367fbe8;hb=8702fee6171abb2e353499fa0cecba90ad5f277f;hp=7ad09461858aa6832b828df411fd1b736f035465;hpb=eec102524fda2df7d2846e865805ca213119bf10;p=git.git

diff --git a/diffcore-order.c b/diffcore-order.c
index 7ad094618..23e93852d 100644
--- a/diffcore-order.c
+++ b/diffcore-order.c
@@ -14,6 +14,7 @@ static void prepare_order(const char *orderfile)
 	void *map;
 	char *cp, *endp;
 	struct stat st;
+	size_t sz;
 
 	if (order)
 		return;
@@ -25,11 +26,12 @@ static void prepare_order(const char *orderfile)
 		close(fd);
 		return;
 	}
-	map = mmap(NULL, st.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
+	sz = xsize_t(st.st_size);
+	map = mmap(NULL, sz, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
 	close(fd);
 	if (map == MAP_FAILED)
 		return;
-	endp = (char *) map + st.st_size;
+	endp = (char *) map + sz;
 	for (pass = 0; pass < 2; pass++) {
 		cnt = 0;
 		cp = map;
@@ -46,11 +48,8 @@ static void prepare_order(const char *orderfile)
 				if (*ep == '\n') {
 					*ep = 0;
 					order[cnt] = cp;
-				}
-				else {
-					order[cnt] = xmalloc(ep-cp+1);
-					memcpy(order[cnt], cp, ep-cp);
-					order[cnt][ep-cp] = 0;
+				} else {
+					order[cnt] = xmemdupz(cp, ep - cp);
 				}
 				cnt++;
 			}