Coverage Report

Created: 2026-04-27 06:29

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__
3
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
22.0M
#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
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 * @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
 *
29
 * Returns the new array size on success, -1 on failure.
30
 */
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static XML_INLINE int
32
23.7M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
23.7M
    int extra;
34
35
23.7M
    if (capacity <= 0) {
36
11.2M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
11.2M
        (void) min;
38
11.2M
        return(1);
39
#else
40
        return(min);
41
#endif
42
11.2M
    }
43
44
12.5M
    if ((capacity >= max) ||
45
11.6M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
866k
        return(-1);
47
48
    /* Grow by 50% */
49
11.6M
    extra = (capacity + 1) / 2;
50
51
11.6M
    if (capacity > max - extra)
52
4.81k
        return(max);
53
54
11.6M
    return(capacity + extra);
55
11.6M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
32
2.09M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.09M
    int extra;
34
35
2.09M
    if (capacity <= 0) {
36
768k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
768k
        (void) min;
38
768k
        return(1);
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#else
40
        return(min);
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#endif
42
768k
    }
43
44
1.32M
    if ((capacity >= max) ||
45
1.32M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
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48
    /* Grow by 50% */
49
1.32M
    extra = (capacity + 1) / 2;
50
51
1.32M
    if (capacity > max - extra)
52
0
        return(max);
53
54
1.32M
    return(capacity + extra);
55
1.32M
}
uri.c:xmlGrowCapacity
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Count
Source
32
175k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
175k
    int extra;
34
35
175k
    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
175k
    if ((capacity >= max) ||
45
175k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
22
        return(-1);
47
48
    /* Grow by 50% */
49
175k
    extra = (capacity + 1) / 2;
50
51
175k
    if (capacity > max - extra)
52
123
        return(max);
53
54
175k
    return(capacity + extra);
55
175k
}
valid.c:xmlGrowCapacity
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Count
Source
32
10.7k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
10.7k
    int extra;
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35
10.7k
    if (capacity <= 0) {
36
4.79k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
4.79k
        (void) min;
38
4.79k
        return(1);
39
#else
40
        return(min);
41
#endif
42
4.79k
    }
43
44
6.00k
    if ((capacity >= max) ||
45
6.00k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
6.00k
    extra = (capacity + 1) / 2;
50
51
6.00k
    if (capacity > max - extra)
52
0
        return(max);
53
54
6.00k
    return(capacity + extra);
55
6.00k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
HTMLparser.c:xmlGrowCapacity
Line
Count
Source
32
34.8k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
34.8k
    int extra;
34
35
34.8k
    if (capacity <= 0) {
36
7.87k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
7.87k
        (void) min;
38
7.87k
        return(1);
39
#else
40
        return(min);
41
#endif
42
7.87k
    }
43
44
27.0k
    if ((capacity >= max) ||
45
27.0k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
27.0k
    extra = (capacity + 1) / 2;
50
51
27.0k
    if (capacity > max - extra)
52
0
        return(max);
53
54
27.0k
    return(capacity + extra);
55
27.0k
}
xmlregexp.c:xmlGrowCapacity
Line
Count
Source
32
11.6M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
11.6M
    int extra;
34
35
11.6M
    if (capacity <= 0) {
36
8.62M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
8.62M
        (void) min;
38
8.62M
        return(1);
39
#else
40
        return(min);
41
#endif
42
8.62M
    }
43
44
3.01M
    if ((capacity >= max) ||
45
3.01M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
3.01M
    extra = (capacity + 1) / 2;
50
51
3.01M
    if (capacity > max - extra)
52
0
        return(max);
53
54
3.01M
    return(capacity + extra);
55
3.01M
}
xmlschemas.c:xmlGrowCapacity
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Count
Source
32
197k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
197k
    int extra;
34
35
197k
    if (capacity <= 0) {
36
77.8k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
77.8k
        (void) min;
38
77.8k
        return(1);
39
#else
40
        return(min);
41
#endif
42
77.8k
    }
43
44
119k
    if ((capacity >= max) ||
45
119k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
119k
    extra = (capacity + 1) / 2;
50
51
119k
    if (capacity > max - extra)
52
0
        return(max);
53
54
119k
    return(capacity + extra);
55
119k
}
xpath.c:xmlGrowCapacity
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Count
Source
32
7.32M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
7.32M
    int extra;
34
35
7.32M
    if (capacity <= 0) {
36
1.43M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.43M
        (void) min;
38
1.43M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.43M
    }
43
44
5.89M
    if ((capacity >= max) ||
45
5.02M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
863k
        return(-1);
47
48
    /* Grow by 50% */
49
5.02M
    extra = (capacity + 1) / 2;
50
51
5.02M
    if (capacity > max - extra)
52
37
        return(max);
53
54
5.02M
    return(capacity + extra);
55
5.02M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
32
2.02M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.02M
    int extra;
34
35
2.02M
    if (capacity <= 0) {
36
193k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
193k
        (void) min;
38
193k
        return(1);
39
#else
40
        return(min);
41
#endif
42
193k
    }
43
44
1.83M
    if ((capacity >= max) ||
45
1.82M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
2.27k
        return(-1);
47
48
    /* Grow by 50% */
49
1.82M
    extra = (capacity + 1) / 2;
50
51
1.82M
    if (capacity > max - extra)
52
4.65k
        return(max);
53
54
1.82M
    return(capacity + extra);
55
1.82M
}
pattern.c:xmlGrowCapacity
Line
Count
Source
32
187k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
187k
    int extra;
34
35
187k
    if (capacity <= 0) {
36
62.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
62.0k
        (void) min;
38
62.0k
        return(1);
39
#else
40
        return(min);
41
#endif
42
62.0k
    }
43
44
125k
    if ((capacity >= max) ||
45
125k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
125k
    extra = (capacity + 1) / 2;
50
51
125k
    if (capacity > max - extra)
52
0
        return(max);
53
54
125k
    return(capacity + extra);
55
125k
}
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
456
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
456
    int extra;
34
35
456
    if (capacity <= 0) {
36
212
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
212
        (void) min;
38
212
        return(1);
39
#else
40
        return(min);
41
#endif
42
212
    }
43
44
244
    if ((capacity >= max) ||
45
244
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
244
    extra = (capacity + 1) / 2;
50
51
244
    if (capacity > max - extra)
52
0
        return(max);
53
54
244
    return(capacity + extra);
55
244
}
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
29.8k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
29.8k
        (void) min;
38
29.8k
        return(1);
39
#else
40
        return(min);
41
#endif
42
29.8k
    }
43
44
11.3k
    if ((capacity >= max) ||
45
11.3k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
11.3k
    extra = (capacity + 1) / 2;
50
51
11.3k
    if (capacity > max - extra)
52
0
        return(max);
53
54
11.3k
    return(capacity + extra);
55
11.3k
}
Unexecuted instantiation: c14n.c:xmlGrowCapacity
56
57
#endif /* XML_MEMORY_H_PRIVATE__ */