diff options
Diffstat (limited to 'third_party/git/commit-slab-impl.h')
| -rw-r--r-- | third_party/git/commit-slab-impl.h | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/third_party/git/commit-slab-impl.h b/third_party/git/commit-slab-impl.h deleted file mode 100644 index 557738df271c..000000000000 --- a/third_party/git/commit-slab-impl.h +++ /dev/null @@ -1,107 +0,0 @@ -#ifndef COMMIT_SLAB_IMPL_H -#define COMMIT_SLAB_IMPL_H - -#include "git-compat-util.h" - -#define implement_static_commit_slab(slabname, elemtype) \ - implement_commit_slab(slabname, elemtype, MAYBE_UNUSED static) - -#define implement_shared_commit_slab(slabname, elemtype) \ - implement_commit_slab(slabname, elemtype, ) - -#define implement_commit_slab(slabname, elemtype, scope) \ - \ -scope void init_ ##slabname## _with_stride(struct slabname *s, \ - unsigned stride) \ -{ \ - unsigned int elem_size; \ - if (!stride) \ - stride = 1; \ - s->stride = stride; \ - elem_size = sizeof(elemtype) * stride; \ - s->slab_size = COMMIT_SLAB_SIZE / elem_size; \ - s->slab_count = 0; \ - s->slab = NULL; \ -} \ - \ -scope void init_ ##slabname(struct slabname *s) \ -{ \ - init_ ##slabname## _with_stride(s, 1); \ -} \ - \ -scope void clear_ ##slabname(struct slabname *s) \ -{ \ - unsigned int i; \ - for (i = 0; i < s->slab_count; i++) \ - free(s->slab[i]); \ - s->slab_count = 0; \ - FREE_AND_NULL(s->slab); \ -} \ - \ -scope void deep_clear_ ##slabname(struct slabname *s, void (*free_fn)(elemtype *)) \ -{ \ - unsigned int i; \ - for (i = 0; i < s->slab_count; i++) { \ - unsigned int j; \ - if (!s->slab[i]) \ - continue; \ - for (j = 0; j < s->slab_size; j++) \ - free_fn(&s->slab[i][j * s->stride]); \ - } \ - clear_ ##slabname(s); \ -} \ - \ -scope elemtype *slabname## _at_peek(struct slabname *s, \ - const struct commit *c, \ - int add_if_missing) \ -{ \ - unsigned int nth_slab, nth_slot; \ - \ - nth_slab = c->index / s->slab_size; \ - nth_slot = c->index % s->slab_size; \ - \ - if (s->slab_count <= nth_slab) { \ - unsigned int i; \ - if (!add_if_missing) \ - return NULL; \ - REALLOC_ARRAY(s->slab, nth_slab + 1); \ - for (i = s->slab_count; i <= nth_slab; i++) \ - s->slab[i] = NULL; \ - s->slab_count = nth_slab + 1; \ - } \ - if (!s->slab[nth_slab]) { \ - if (!add_if_missing) \ - return NULL; \ - s->slab[nth_slab] = xcalloc(s->slab_size, \ - sizeof(**s->slab) * s->stride); \ - } \ - return &s->slab[nth_slab][nth_slot * s->stride]; \ -} \ - \ -scope elemtype *slabname## _at(struct slabname *s, \ - const struct commit *c) \ -{ \ - return slabname##_at_peek(s, c, 1); \ -} \ - \ -scope elemtype *slabname## _peek(struct slabname *s, \ - const struct commit *c) \ -{ \ - return slabname##_at_peek(s, c, 0); \ -} \ - \ -struct slabname - -/* - * Note that this redundant forward declaration is required - * to allow a terminating semicolon, which makes instantiations look - * like function declarations. I.e., the expansion of - * - * implement_commit_slab(indegree, int, static); - * - * ends in 'struct indegree;'. This would otherwise - * be a syntax error according (at least) to ISO C. It's hard to - * catch because GCC silently parses it by default. - */ - -#endif /* COMMIT_SLAB_IMPL_H */ |