Coverage Report

Created: 2026-05-30 06:18

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxml2/include/private/memory.h
Line
Count
Source
1
#ifndef XML_MEMORY_H_PRIVATE__
2
#define XML_MEMORY_H_PRIVATE__
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4
#include "../../libxml.h"
5
6
#include <limits.h>
7
#include <stddef.h>
8
9
#ifndef SIZE_MAX
10
  #define SIZE_MAX ((size_t) -1)
11
#endif
12
13
21.1M
#define XML_MAX_ITEMS 1000000000 /* 1 billion */
14
15
XML_HIDDEN void
16
xmlInitMemoryInternal(void);
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XML_HIDDEN void
18
xmlCleanupMemoryInternal(void);
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20
/**
21
 * @array:  pointer to array
22
 * @capacity:  pointer to capacity (in/out)
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 * @elemSize:  size of an element in bytes
24
 * @min:  elements in initial allocation
25
 * @max:  maximum elements in the array
26
 *
27
 * Grow an array by at least one element, checking for overflow.
28
 *
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 * Returns the new array size on success, -1 on failure.
30
 */
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static XML_INLINE int
32
21.8M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
21.8M
    int extra;
34
35
21.8M
    if (capacity <= 0) {
36
10.9M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
10.9M
        (void) min;
38
10.9M
        return(1);
39
#else
40
        return(min);
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#endif
42
10.9M
    }
43
44
10.8M
    if ((capacity >= max) ||
45
10.4M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
361k
        return(-1);
47
48
    /* Grow by 50% */
49
10.4M
    extra = (capacity + 1) / 2;
50
51
10.4M
    if (capacity > max - extra)
52
6.32k
        return(max);
53
54
10.4M
    return(capacity + extra);
55
10.4M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
32
784k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
784k
    int extra;
34
35
784k
    if (capacity <= 0) {
36
317k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
317k
        (void) min;
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317k
        return(1);
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#else
40
        return(min);
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#endif
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317k
    }
43
44
467k
    if ((capacity >= max) ||
45
467k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
467k
    extra = (capacity + 1) / 2;
50
51
467k
    if (capacity > max - extra)
52
0
        return(max);
53
54
467k
    return(capacity + extra);
55
467k
}
uri.c:xmlGrowCapacity
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Count
Source
32
150k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
150k
    int extra;
34
35
150k
    if (capacity <= 0) {
36
0
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
0
        (void) min;
38
0
        return(1);
39
#else
40
        return(min);
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#endif
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0
    }
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44
150k
    if ((capacity >= max) ||
45
150k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
24
        return(-1);
47
48
    /* Grow by 50% */
49
150k
    extra = (capacity + 1) / 2;
50
51
150k
    if (capacity > max - extra)
52
118
        return(max);
53
54
150k
    return(capacity + extra);
55
150k
}
valid.c:xmlGrowCapacity
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Count
Source
32
10.4k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
10.4k
    int extra;
34
35
10.4k
    if (capacity <= 0) {
36
4.52k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
4.52k
        (void) min;
38
4.52k
        return(1);
39
#else
40
        return(min);
41
#endif
42
4.52k
    }
43
44
5.88k
    if ((capacity >= max) ||
45
5.88k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
5.88k
    extra = (capacity + 1) / 2;
50
51
5.88k
    if (capacity > max - extra)
52
0
        return(max);
53
54
5.88k
    return(capacity + extra);
55
5.88k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
HTMLparser.c:xmlGrowCapacity
Line
Count
Source
32
35.7k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
35.7k
    int extra;
34
35
35.7k
    if (capacity <= 0) {
36
7.88k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
7.88k
        (void) min;
38
7.88k
        return(1);
39
#else
40
        return(min);
41
#endif
42
7.88k
    }
43
44
27.9k
    if ((capacity >= max) ||
45
27.9k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
27.9k
    extra = (capacity + 1) / 2;
50
51
27.9k
    if (capacity > max - extra)
52
0
        return(max);
53
54
27.9k
    return(capacity + extra);
55
27.9k
}
xmlregexp.c:xmlGrowCapacity
Line
Count
Source
32
12.2M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
12.2M
    int extra;
34
35
12.2M
    if (capacity <= 0) {
36
8.95M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
8.95M
        (void) min;
38
8.95M
        return(1);
39
#else
40
        return(min);
41
#endif
42
8.95M
    }
43
44
3.24M
    if ((capacity >= max) ||
45
3.24M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
3.24M
    extra = (capacity + 1) / 2;
50
51
3.24M
    if (capacity > max - extra)
52
0
        return(max);
53
54
3.24M
    return(capacity + extra);
55
3.24M
}
xmlschemas.c:xmlGrowCapacity
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Count
Source
32
210k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
210k
    int extra;
34
35
210k
    if (capacity <= 0) {
36
83.1k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
83.1k
        (void) min;
38
83.1k
        return(1);
39
#else
40
        return(min);
41
#endif
42
83.1k
    }
43
44
127k
    if ((capacity >= max) ||
45
127k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
127k
    extra = (capacity + 1) / 2;
50
51
127k
    if (capacity > max - extra)
52
0
        return(max);
53
54
127k
    return(capacity + extra);
55
127k
}
xpath.c:xmlGrowCapacity
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Count
Source
32
6.10M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
6.10M
    int extra;
34
35
6.10M
    if (capacity <= 0) {
36
1.32M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.32M
        (void) min;
38
1.32M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.32M
    }
43
44
4.78M
    if ((capacity >= max) ||
45
4.42M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
358k
        return(-1);
47
48
    /* Grow by 50% */
49
4.42M
    extra = (capacity + 1) / 2;
50
51
4.42M
    if (capacity > max - extra)
52
37
        return(max);
53
54
4.42M
    return(capacity + extra);
55
4.42M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
32
2.14M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.14M
    int extra;
34
35
2.14M
    if (capacity <= 0) {
36
198k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
198k
        (void) min;
38
198k
        return(1);
39
#else
40
        return(min);
41
#endif
42
198k
    }
43
44
1.95M
    if ((capacity >= max) ||
45
1.94M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
3.26k
        return(-1);
47
48
    /* Grow by 50% */
49
1.94M
    extra = (capacity + 1) / 2;
50
51
1.94M
    if (capacity > max - extra)
52
6.17k
        return(max);
53
54
1.94M
    return(capacity + extra);
55
1.94M
}
pattern.c:xmlGrowCapacity
Line
Count
Source
32
129k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
129k
    int extra;
34
35
129k
    if (capacity <= 0) {
36
41.9k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
41.9k
        (void) min;
38
41.9k
        return(1);
39
#else
40
        return(min);
41
#endif
42
41.9k
    }
43
44
87.8k
    if ((capacity >= max) ||
45
87.8k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
87.8k
    extra = (capacity + 1) / 2;
50
51
87.8k
    if (capacity > max - extra)
52
0
        return(max);
53
54
87.8k
    return(capacity + extra);
55
87.8k
}
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
457
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
457
    int extra;
34
35
457
    if (capacity <= 0) {
36
214
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
214
        (void) min;
38
214
        return(1);
39
#else
40
        return(min);
41
#endif
42
214
    }
43
44
243
    if ((capacity >= max) ||
45
243
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
243
    extra = (capacity + 1) / 2;
50
51
243
    if (capacity > max - extra)
52
0
        return(max);
53
54
243
    return(capacity + extra);
55
243
}
xinclude.c:xmlGrowCapacity
Line
Count
Source
32
41.2k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
41.2k
    int extra;
34
35
41.2k
    if (capacity <= 0) {
36
30.1k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
30.1k
        (void) min;
38
30.1k
        return(1);
39
#else
40
        return(min);
41
#endif
42
30.1k
    }
43
44
11.1k
    if ((capacity >= max) ||
45
11.1k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
11.1k
    extra = (capacity + 1) / 2;
50
51
11.1k
    if (capacity > max - extra)
52
0
        return(max);
53
54
11.1k
    return(capacity + extra);
55
11.1k
}
Unexecuted instantiation: c14n.c:xmlGrowCapacity
56
57
#endif /* XML_MEMORY_H_PRIVATE__ */