Coverage Report

Created: 2026-01-09 06:35

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/zstd/lib/common/allocations.h
Line
Count
Source
1
/*
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 * Copyright (c) Meta Platforms, Inc. and affiliates.
3
 * All rights reserved.
4
 *
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 * This source code is licensed under both the BSD-style license (found in the
6
 * LICENSE file in the root directory of this source tree) and the GPLv2 (found
7
 * in the COPYING file in the root directory of this source tree).
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 * You may select, at your option, one of the above-listed licenses.
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 */
10
11
/* This file provides custom allocation primitives
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 */
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14
#define ZSTD_DEPS_NEED_MALLOC
15
#include "zstd_deps.h"   /* ZSTD_malloc, ZSTD_calloc, ZSTD_free, ZSTD_memset */
16
17
#include "compiler.h" /* MEM_STATIC */
18
#define ZSTD_STATIC_LINKING_ONLY
19
#include "../zstd.h" /* ZSTD_customMem */
20
21
#ifndef ZSTD_ALLOCATIONS_H
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#define ZSTD_ALLOCATIONS_H
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24
/* custom memory allocation functions */
25
26
MEM_STATIC void* ZSTD_customMalloc(size_t size, ZSTD_customMem customMem)
27
112k
{
28
112k
    if (customMem.customAlloc)
29
0
        return customMem.customAlloc(customMem.opaque, size);
30
112k
    return ZSTD_malloc(size);
31
112k
}
Unexecuted instantiation: sequence_producer.c:ZSTD_customMalloc
Unexecuted instantiation: pool.c:ZSTD_customMalloc
zstd_compress.c:ZSTD_customMalloc
Line
Count
Source
27
50.0k
{
28
50.0k
    if (customMem.customAlloc)
29
0
        return customMem.customAlloc(customMem.opaque, size);
30
50.0k
    return ZSTD_malloc(size);
31
50.0k
}
Unexecuted instantiation: zstd_compress_literals.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_compress_sequences.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_compress_superblock.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_double_fast.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_fast.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_lazy.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_ldm.c:ZSTD_customMalloc
Unexecuted instantiation: zstd_opt.c:ZSTD_customMalloc
zstdmt_compress.c:ZSTD_customMalloc
Line
Count
Source
27
23.3k
{
28
23.3k
    if (customMem.customAlloc)
29
0
        return customMem.customAlloc(customMem.opaque, size);
30
23.3k
    return ZSTD_malloc(size);
31
23.3k
}
Unexecuted instantiation: zstd_ddict.c:ZSTD_customMalloc
zstd_decompress.c:ZSTD_customMalloc
Line
Count
Source
27
39.5k
{
28
39.5k
    if (customMem.customAlloc)
29
0
        return customMem.customAlloc(customMem.opaque, size);
30
39.5k
    return ZSTD_malloc(size);
31
39.5k
}
Unexecuted instantiation: fastcover.c:ZSTD_customMalloc
Unexecuted instantiation: zdict.c:ZSTD_customMalloc
32
33
MEM_STATIC void* ZSTD_customCalloc(size_t size, ZSTD_customMem customMem)
34
78.0k
{
35
78.0k
    if (customMem.customAlloc) {
36
        /* calloc implemented as malloc+memset;
37
         * not as efficient as calloc, but next best guess for custom malloc */
38
0
        void* const ptr = customMem.customAlloc(customMem.opaque, size);
39
0
        ZSTD_memset(ptr, 0, size);
40
0
        return ptr;
41
0
    }
42
78.0k
    return ZSTD_calloc(1, size);
43
78.0k
}
Unexecuted instantiation: sequence_producer.c:ZSTD_customCalloc
pool.c:ZSTD_customCalloc
Line
Count
Source
34
21.1k
{
35
21.1k
    if (customMem.customAlloc) {
36
        /* calloc implemented as malloc+memset;
37
         * not as efficient as calloc, but next best guess for custom malloc */
38
0
        void* const ptr = customMem.customAlloc(customMem.opaque, size);
39
0
        ZSTD_memset(ptr, 0, size);
40
0
        return ptr;
41
0
    }
42
21.1k
    return ZSTD_calloc(1, size);
43
21.1k
}
Unexecuted instantiation: zstd_compress.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_compress_literals.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_compress_sequences.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_compress_superblock.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_double_fast.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_fast.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_lazy.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_ldm.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_opt.c:ZSTD_customCalloc
zstdmt_compress.c:ZSTD_customCalloc
Line
Count
Source
34
56.8k
{
35
56.8k
    if (customMem.customAlloc) {
36
        /* calloc implemented as malloc+memset;
37
         * not as efficient as calloc, but next best guess for custom malloc */
38
0
        void* const ptr = customMem.customAlloc(customMem.opaque, size);
39
0
        ZSTD_memset(ptr, 0, size);
40
0
        return ptr;
41
0
    }
42
56.8k
    return ZSTD_calloc(1, size);
43
56.8k
}
Unexecuted instantiation: zstd_ddict.c:ZSTD_customCalloc
Unexecuted instantiation: zstd_decompress.c:ZSTD_customCalloc
Unexecuted instantiation: fastcover.c:ZSTD_customCalloc
Unexecuted instantiation: zdict.c:ZSTD_customCalloc
44
45
MEM_STATIC void ZSTD_customFree(void* ptr, ZSTD_customMem customMem)
46
346k
{
47
346k
    if (ptr!=NULL) {
48
190k
        if (customMem.customFree)
49
0
            customMem.customFree(customMem.opaque, ptr);
50
190k
        else
51
190k
            ZSTD_free(ptr);
52
190k
    }
53
346k
}
Unexecuted instantiation: sequence_producer.c:ZSTD_customFree
pool.c:ZSTD_customFree
Line
Count
Source
46
21.1k
{
47
21.1k
    if (ptr!=NULL) {
48
21.1k
        if (customMem.customFree)
49
0
            customMem.customFree(customMem.opaque, ptr);
50
21.1k
        else
51
21.1k
            ZSTD_free(ptr);
52
21.1k
    }
53
21.1k
}
zstd_compress.c:ZSTD_customFree
Line
Count
Source
46
130k
{
47
130k
    if (ptr!=NULL) {
48
50.0k
        if (customMem.customFree)
49
0
            customMem.customFree(customMem.opaque, ptr);
50
50.0k
        else
51
50.0k
            ZSTD_free(ptr);
52
50.0k
    }
53
130k
}
Unexecuted instantiation: zstd_compress_literals.c:ZSTD_customFree
Unexecuted instantiation: zstd_compress_sequences.c:ZSTD_customFree
Unexecuted instantiation: zstd_compress_superblock.c:ZSTD_customFree
Unexecuted instantiation: zstd_double_fast.c:ZSTD_customFree
Unexecuted instantiation: zstd_fast.c:ZSTD_customFree
Unexecuted instantiation: zstd_lazy.c:ZSTD_customFree
Unexecuted instantiation: zstd_ldm.c:ZSTD_customFree
Unexecuted instantiation: zstd_opt.c:ZSTD_customFree
zstdmt_compress.c:ZSTD_customFree
Line
Count
Source
46
135k
{
47
135k
    if (ptr!=NULL) {
48
80.1k
        if (customMem.customFree)
49
0
            customMem.customFree(customMem.opaque, ptr);
50
80.1k
        else
51
80.1k
            ZSTD_free(ptr);
52
80.1k
    }
53
135k
}
Unexecuted instantiation: zstd_ddict.c:ZSTD_customFree
zstd_decompress.c:ZSTD_customFree
Line
Count
Source
46
59.0k
{
47
59.0k
    if (ptr!=NULL) {
48
39.5k
        if (customMem.customFree)
49
0
            customMem.customFree(customMem.opaque, ptr);
50
39.5k
        else
51
39.5k
            ZSTD_free(ptr);
52
39.5k
    }
53
59.0k
}
Unexecuted instantiation: fastcover.c:ZSTD_customFree
Unexecuted instantiation: zdict.c:ZSTD_customFree
54
55
#endif /* ZSTD_ALLOCATIONS_H */