Coverage Report

Created: 2025-12-14 06:12

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
19.0M
#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
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 * @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
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 * @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
22.1M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
22.1M
    int extra;
34
35
22.1M
    if (capacity <= 0) {
36
11.5M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
11.5M
        (void) min;
38
11.5M
        return(1);
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#else
40
        return(min);
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#endif
42
11.5M
    }
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44
10.6M
    if ((capacity >= max) ||
45
10.2M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
375k
        return(-1);
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48
    /* Grow by 50% */
49
10.2M
    extra = (capacity + 1) / 2;
50
51
10.2M
    if (capacity > max - extra)
52
3.58k
        return(max);
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54
10.2M
    return(capacity + extra);
55
10.2M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
32
751k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
751k
    int extra;
34
35
751k
    if (capacity <= 0) {
36
301k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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301k
        (void) min;
38
301k
        return(1);
39
#else
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        return(min);
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#endif
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301k
    }
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44
450k
    if ((capacity >= max) ||
45
450k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
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450k
    extra = (capacity + 1) / 2;
50
51
450k
    if (capacity > max - extra)
52
0
        return(max);
53
54
450k
    return(capacity + extra);
55
450k
}
uri.c:xmlGrowCapacity
Line
Count
Source
32
97.9k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
97.9k
    int extra;
34
35
97.9k
    if (capacity <= 0) {
36
0
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
0
        (void) min;
38
0
        return(1);
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#else
40
        return(min);
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#endif
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0
    }
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44
97.9k
    if ((capacity >= max) ||
45
97.9k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
17
        return(-1);
47
48
    /* Grow by 50% */
49
97.9k
    extra = (capacity + 1) / 2;
50
51
97.9k
    if (capacity > max - extra)
52
115
        return(max);
53
54
97.8k
    return(capacity + extra);
55
97.9k
}
valid.c:xmlGrowCapacity
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Count
Source
32
9.87k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
9.87k
    int extra;
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35
9.87k
    if (capacity <= 0) {
36
4.27k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
4.27k
        (void) min;
38
4.27k
        return(1);
39
#else
40
        return(min);
41
#endif
42
4.27k
    }
43
44
5.59k
    if ((capacity >= max) ||
45
5.59k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
5.59k
    extra = (capacity + 1) / 2;
50
51
5.59k
    if (capacity > max - extra)
52
0
        return(max);
53
54
5.59k
    return(capacity + extra);
55
5.59k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
HTMLparser.c:xmlGrowCapacity
Line
Count
Source
32
34.3k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
34.3k
    int extra;
34
35
34.3k
    if (capacity <= 0) {
36
7.62k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
7.62k
        (void) min;
38
7.62k
        return(1);
39
#else
40
        return(min);
41
#endif
42
7.62k
    }
43
44
26.7k
    if ((capacity >= max) ||
45
26.7k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
26.7k
    extra = (capacity + 1) / 2;
50
51
26.7k
    if (capacity > max - extra)
52
0
        return(max);
53
54
26.7k
    return(capacity + extra);
55
26.7k
}
xmlregexp.c:xmlGrowCapacity
Line
Count
Source
32
12.6M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
12.6M
    int extra;
34
35
12.6M
    if (capacity <= 0) {
36
9.37M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
9.37M
        (void) min;
38
9.37M
        return(1);
39
#else
40
        return(min);
41
#endif
42
9.37M
    }
43
44
3.31M
    if ((capacity >= max) ||
45
3.31M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
3.31M
    extra = (capacity + 1) / 2;
50
51
3.31M
    if (capacity > max - extra)
52
0
        return(max);
53
54
3.31M
    return(capacity + extra);
55
3.31M
}
xmlschemas.c:xmlGrowCapacity
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Count
Source
32
193k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
193k
    int extra;
34
35
193k
    if (capacity <= 0) {
36
74.1k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
74.1k
        (void) min;
38
74.1k
        return(1);
39
#else
40
        return(min);
41
#endif
42
74.1k
    }
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
6.14M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
6.14M
    int extra;
34
35
6.14M
    if (capacity <= 0) {
36
1.45M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.45M
        (void) min;
38
1.45M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.45M
    }
43
44
4.68M
    if ((capacity >= max) ||
45
4.31M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
373k
        return(-1);
47
48
    /* Grow by 50% */
49
4.31M
    extra = (capacity + 1) / 2;
50
51
4.31M
    if (capacity > max - extra)
52
32
        return(max);
53
54
4.31M
    return(capacity + extra);
55
4.31M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
32
1.99M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
1.99M
    int extra;
34
35
1.99M
    if (capacity <= 0) {
36
196k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
196k
        (void) min;
38
196k
        return(1);
39
#else
40
        return(min);
41
#endif
42
196k
    }
43
44
1.80M
    if ((capacity >= max) ||
45
1.79M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
1.84k
        return(-1);
47
48
    /* Grow by 50% */
49
1.79M
    extra = (capacity + 1) / 2;
50
51
1.79M
    if (capacity > max - extra)
52
3.44k
        return(max);
53
54
1.79M
    return(capacity + extra);
55
1.79M
}
pattern.c:xmlGrowCapacity
Line
Count
Source
32
184k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
184k
    int extra;
34
35
184k
    if (capacity <= 0) {
36
59.6k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
59.6k
        (void) min;
38
59.6k
        return(1);
39
#else
40
        return(min);
41
#endif
42
59.6k
    }
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
430
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
430
    int extra;
34
35
430
    if (capacity <= 0) {
36
190
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
190
        (void) min;
38
190
        return(1);
39
#else
40
        return(min);
41
#endif
42
190
    }
43
44
240
    if ((capacity >= max) ||
45
240
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
240
    extra = (capacity + 1) / 2;
50
51
240
    if (capacity > max - extra)
52
0
        return(max);
53
54
240
    return(capacity + extra);
55
240
}
xinclude.c:xmlGrowCapacity
Line
Count
Source
32
40.0k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
40.0k
    int extra;
34
35
40.0k
    if (capacity <= 0) {
36
28.5k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
28.5k
        (void) min;
38
28.5k
        return(1);
39
#else
40
        return(min);
41
#endif
42
28.5k
    }
43
44
11.4k
    if ((capacity >= max) ||
45
11.4k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
11.4k
    extra = (capacity + 1) / 2;
50
51
11.4k
    if (capacity > max - extra)
52
0
        return(max);
53
54
11.4k
    return(capacity + extra);
55
11.4k
}
Unexecuted instantiation: c14n.c:xmlGrowCapacity
56
57
#endif /* XML_MEMORY_H_PRIVATE__ */