add macro REALLOC_ARRAY

diff --git a/git-compat-util.h b/git-compat-util.h
index 4e7e3f8726a26a1f7dfbb889fe3531d01d4419b9..5a15b53d67b2fd0650f2bfe929f70dcd625c2cbd 100644 (file)
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -626,6 +626,8 @@ extern int odb_mkstemp(char *template, size_t limit, const char *pattern);
 extern int odb_pack_keep(char *name, size_t namesz, const unsigned char *sha1);
 extern char *xgetcwd(void);
 
+#define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), (alloc) * sizeof(*(x)))
+
 static inline size_t xsize_t(off_t len)
 {
        if (len > (size_t) len)