post-checkout hook, tests, and docs

diff --git a/diffcore-order.c b/diffcore-order.c
index aef6da60447b98a05d91513b4aa74e505b0a0d84..2a4bd8232eb185f195c513c3509a72a92d172818 100644 (file)
--- a/diffcore-order.c
+++ b/diffcore-order.c
@@ -4,7 +4,6 @@
 #include "cache.h"
 #include "diff.h"
 #include "diffcore.h"
-#include <fnmatch.h>
 
 static char **order;
 static int order_cnt;
@@ -15,6 +14,7 @@ static void prepare_order(const char *orderfile)
        void *map;
        char *cp, *endp;
        struct stat st;
+       size_t sz;
 
        if (order)
                return;
@@ -26,11 +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;