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authorJunio C Hamano <gitster@pobox.com>2016-10-03 13:30:33 -0700
committerJunio C Hamano <gitster@pobox.com>2016-10-03 13:30:33 -0700
commitb1f0a856605981363053941b8210f3cc9389607a (patch)
tree9de4bc7cc285925913c219edd4536985cc0cc256 /git-compat-util.h
parent3ef7618e616e023cf04180e30d77c9fa5310f964 (diff)
parent45ccef87b3cc0ab09ec5fd1186aa0b33298ee8d4 (diff)
downloadgit-b1f0a856605981363053941b8210f3cc9389607a.tar.gz
Merge branch 'rs/copy-array'
Code cleanup. * rs/copy-array: use COPY_ARRAY add COPY_ARRAY
Diffstat (limited to 'git-compat-util.h')
-rw-r--r--git-compat-util.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/git-compat-util.h b/git-compat-util.h
index 8aab0c3047..0ce2cdfb98 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -801,6 +801,14 @@ extern FILE *fopen_for_writing(const char *path);
#define ALLOC_ARRAY(x, alloc) (x) = xmalloc(st_mult(sizeof(*(x)), (alloc)))
#define REALLOC_ARRAY(x, alloc) (x) = xrealloc((x), st_mult(sizeof(*(x)), (alloc)))
+#define COPY_ARRAY(dst, src, n) copy_array((dst), (src), (n), sizeof(*(dst)) + \
+ BUILD_ASSERT_OR_ZERO(sizeof(*(dst)) == sizeof(*(src))))
+static inline void copy_array(void *dst, const void *src, size_t n, size_t size)
+{
+ if (n)
+ memcpy(dst, src, st_mult(size, n));
+}
+
/*
* These functions help you allocate structs with flex arrays, and copy
* the data directly into the array. For example, if you had: