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author | Russell Belfer <rb@github.com> | 2013-06-11 01:16:49 +0400 |
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committer | Russell Belfer <rb@github.com> | 2013-06-11 01:16:49 +0400 |
commit | 596b121ae46554cf48b4e561541e1ab975dbef78 (patch) | |
tree | f8318e2aace78f721f39a85cc638ea9a707a035a /src/array.h | |
parent | 114f5a6c41ea03393e00ae41126a6ddb0ef39a15 (diff) |
fix missing file and bad prototype
Diffstat (limited to 'src/array.h')
-rw-r--r-- | src/array.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/src/array.h b/src/array.h new file mode 100644 index 000000000..aadd021f1 --- /dev/null +++ b/src/array.h @@ -0,0 +1,41 @@ +/* + * Copyright (C) the libgit2 contributors. All rights reserved. + * + * This file is part of libgit2, distributed under the GNU GPL v2 with + * a Linking Exception. For full terms see the included COPYING file. + */ +#ifndef INCLUDE_array_h__ +#define INCLUDE_array_h__ + +#include "util.h" + +#define git_array_t(type) struct { type *ptr; size_t size, asize; } + +#define git_array_init(a) \ + do { (a).size = (a).asize = 0; (a).ptr = NULL; } while (0) + +#define git_array_clear(a) \ + do { git__free((a).ptr); git_array_init(a); } while (0) + +#define git_array_grow(a) do { \ + void *new_array; size_t new_size = \ + ((a).asize >= 256) ? (a).asize + 256 : ((a).asize >= 8) ? (a).asize * 2 : 8; \ + new_array = git__realloc((a).ptr, new_size * sizeof(*(a).ptr)); \ + if (!new_array) { git_array_clear(a); } \ + else { (a).ptr = new_array; (a).asize = new_size; } \ + } while (0) + +#define GITERR_CHECK_ARRAY(a) GITERR_CHECK_ALLOC((a).ptr) + +#define git_array_alloc(a, el) do { \ + if ((a).size >= (a).asize) git_array_grow(a); \ + (el) = (a).ptr ? &(a).ptr[(a).size++] : NULL; \ + } while (0) + +#define git_array_last(a) ((a).size ? &(a).ptr[(a).size - 1] : NULL) + +#define git_array_get(a, i) (((i) < (a).size) ? &(a).ptr[(i)] : NULL) + +#define git_array_size(a) (a).size + +#endif |