index-pack: add a helper function to derive .idx/.keep filename

diff --git a/builtin/fast-export.c b/builtin/fast-export.c
index d9ac5d8410b30e02fbb8edb06a1991655c5be8f4..8164b581a66f257c5b4a74abbf1b76546946e2cf 100644 (file)
--- a/builtin/fast-export.c
+++ b/builtin/fast-export.c
@@ -880,7 +880,7 @@ static void export_marks(char *file)
        FILE *f;
        int e = 0;
 
-       f = fopen(file, "w");
+       f = fopen_for_writing(file);
        if (!f)
                die_errno("Unable to open marks file %s for writing.", file);
 
@@ -1021,7 +1021,7 @@ int cmd_fast_export(int argc, const char **argv, const char *prefix)
                const char **refspecs_str;
                int i;
 
-               refspecs_str = xmalloc(sizeof(*refspecs_str) * refspecs_list.nr);
+               ALLOC_ARRAY(refspecs_str, refspecs_list.nr);
                for (i = 0; i < refspecs_list.nr; i++)
                        refspecs_str[i] = refspecs_list.items[i].string;