ef8a6c6268
This commit provides basic utility classes for the reftable library. Signed-off-by: Han-Wen Nienhuys <hanwen@google.com> Helped-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
66 lines
1.2 KiB
C
66 lines
1.2 KiB
C
/*
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Copyright 2020 Google LLC
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file or at
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https://developers.google.com/open-source/licenses/bsd
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*/
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#include "reftable-malloc.h"
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#include "basics.h"
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#include "system.h"
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static void *(*reftable_malloc_ptr)(size_t sz);
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static void *(*reftable_realloc_ptr)(void *, size_t);
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static void (*reftable_free_ptr)(void *);
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void *reftable_malloc(size_t sz)
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{
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if (reftable_malloc_ptr)
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return (*reftable_malloc_ptr)(sz);
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return malloc(sz);
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}
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void *reftable_realloc(void *p, size_t sz)
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{
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if (reftable_realloc_ptr)
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return (*reftable_realloc_ptr)(p, sz);
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return realloc(p, sz);
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}
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void reftable_free(void *p)
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{
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if (reftable_free_ptr)
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reftable_free_ptr(p);
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else
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free(p);
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}
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void *reftable_calloc(size_t sz)
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{
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void *p = reftable_malloc(sz);
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memset(p, 0, sz);
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return p;
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}
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void reftable_set_alloc(void *(*malloc)(size_t),
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void *(*realloc)(void *, size_t), void (*free)(void *))
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{
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reftable_malloc_ptr = malloc;
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reftable_realloc_ptr = realloc;
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reftable_free_ptr = free;
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}
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int hash_size(uint32_t id)
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{
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switch (id) {
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case 0:
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case GIT_SHA1_FORMAT_ID:
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return GIT_SHA1_RAWSZ;
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case GIT_SHA256_FORMAT_ID:
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return GIT_SHA256_RAWSZ;
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}
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abort();
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}
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