Coverage Report

Created: 2026-10-17 06:43

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
4.40M
#define XML_MAX_ITEMS 1000000000 /* 1 billion */
14
15
XML_HIDDEN void
16
xmlInitMemoryInternal(void);
17
XML_HIDDEN void
18
xmlCleanupMemoryInternal(void);
19
20
/**
21
 * xmlGrowCapacity:
22
 * @array:  pointer to array
23
 * @capacity:  pointer to capacity (in/out)
24
 * @elemSize:  size of an element in bytes
25
 * @min:  elements in initial allocation
26
 * @max:  maximum elements in the array
27
 *
28
 * Grow an array by at least one element, checking for overflow.
29
 *
30
 * Returns the new array size on success, -1 on failure.
31
 */
32
static XML_INLINE int
33
30.6M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
30.6M
    int extra;
35
36
30.6M
    if (capacity <= 0) {
37
7.20M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
7.20M
        (void) min;
39
7.20M
        return(1);
40
#else
41
        return(min);
42
#endif
43
7.20M
    }
44
45
23.4M
    if ((capacity >= max) ||
46
23.4M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
5.60k
        return(-1);
48
49
    /* Grow by 50% */
50
23.4M
    extra = (capacity + 1) / 2;
51
52
23.4M
    if (capacity > max - extra)
53
7.61k
        return(max);
54
55
23.3M
    return(capacity + extra);
56
23.4M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
33
4.26M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
4.26M
    int extra;
35
36
4.26M
    if (capacity <= 0) {
37
981k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
981k
        (void) min;
39
981k
        return(1);
40
#else
41
        return(min);
42
#endif
43
981k
    }
44
45
3.28M
    if ((capacity >= max) ||
46
3.28M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
3.72k
        return(-1);
48
49
    /* Grow by 50% */
50
3.28M
    extra = (capacity + 1) / 2;
51
52
3.28M
    if (capacity > max - extra)
53
5.05k
        return(max);
54
55
3.27M
    return(capacity + extra);
56
3.28M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
33
1.85M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
1.85M
    int extra;
35
36
1.85M
    if (capacity <= 0) {
37
855k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
855k
        (void) min;
39
855k
        return(1);
40
#else
41
        return(min);
42
#endif
43
855k
    }
44
45
998k
    if ((capacity >= max) ||
46
998k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
0
        return(-1);
48
49
    /* Grow by 50% */
50
998k
    extra = (capacity + 1) / 2;
51
52
998k
    if (capacity > max - extra)
53
0
        return(max);
54
55
998k
    return(capacity + extra);
56
998k
}
uri.c:xmlGrowCapacity
Line
Count
Source
33
129k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
129k
    int extra;
35
36
129k
    if (capacity <= 0) {
37
0
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
0
        (void) min;
39
0
        return(1);
40
#else
41
        return(min);
42
#endif
43
0
    }
44
45
129k
    if ((capacity >= max) ||
46
128k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
1.37k
        return(-1);
48
49
    /* Grow by 50% */
50
128k
    extra = (capacity + 1) / 2;
51
52
128k
    if (capacity > max - extra)
53
1.85k
        return(max);
54
55
126k
    return(capacity + extra);
56
128k
}
Unexecuted instantiation: valid.c:xmlGrowCapacity
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
Unexecuted instantiation: xinclude.c:xmlGrowCapacity
xpath.c:xmlGrowCapacity
Line
Count
Source
33
24.3M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
24.3M
    int extra;
35
36
24.3M
    if (capacity <= 0) {
37
5.36M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
5.36M
        (void) min;
39
5.36M
        return(1);
40
#else
41
        return(min);
42
#endif
43
5.36M
    }
44
45
18.9M
    if ((capacity >= max) ||
46
18.9M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
507
        return(-1);
48
49
    /* Grow by 50% */
50
18.9M
    extra = (capacity + 1) / 2;
51
52
18.9M
    if (capacity > max - extra)
53
709
        return(max);
54
55
18.9M
    return(capacity + extra);
56
18.9M
}
57
58
#endif /* XML_MEMORY_H_PRIVATE__ */