Coverage Report

Created: 2026-09-01 06:53

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
2.65M
#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
15.8M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
15.8M
    int extra;
35
36
15.8M
    if (capacity <= 0) {
37
3.66M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
3.66M
        (void) min;
39
3.66M
        return(1);
40
#else
41
        return(min);
42
#endif
43
3.66M
    }
44
45
12.2M
    if ((capacity >= max) ||
46
12.2M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
2.51k
        return(-1);
48
49
    /* Grow by 50% */
50
12.2M
    extra = (capacity + 1) / 2;
51
52
12.2M
    if (capacity > max - extra)
53
3.53k
        return(max);
54
55
12.1M
    return(capacity + extra);
56
12.2M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
33
2.69M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
2.69M
    int extra;
35
36
2.69M
    if (capacity <= 0) {
37
607k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
607k
        (void) min;
39
607k
        return(1);
40
#else
41
        return(min);
42
#endif
43
607k
    }
44
45
2.08M
    if ((capacity >= max) ||
46
2.08M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
2.00k
        return(-1);
48
49
    /* Grow by 50% */
50
2.08M
    extra = (capacity + 1) / 2;
51
52
2.08M
    if (capacity > max - extra)
53
2.82k
        return(max);
54
55
2.08M
    return(capacity + extra);
56
2.08M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
33
1.01M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
1.01M
    int extra;
35
36
1.01M
    if (capacity <= 0) {
37
473k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
473k
        (void) min;
39
473k
        return(1);
40
#else
41
        return(min);
42
#endif
43
473k
    }
44
45
539k
    if ((capacity >= max) ||
46
539k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
0
        return(-1);
48
49
    /* Grow by 50% */
50
539k
    extra = (capacity + 1) / 2;
51
52
539k
    if (capacity > max - extra)
53
0
        return(max);
54
55
539k
    return(capacity + extra);
56
539k
}
uri.c:xmlGrowCapacity
Line
Count
Source
33
69.8k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
69.8k
    int extra;
35
36
69.8k
    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
69.8k
    if ((capacity >= max) ||
46
69.4k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
399
        return(-1);
48
49
    /* Grow by 50% */
50
69.4k
    extra = (capacity + 1) / 2;
51
52
69.4k
    if (capacity > max - extra)
53
547
        return(max);
54
55
68.8k
    return(capacity + extra);
56
69.4k
}
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
12.0M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
34
12.0M
    int extra;
35
36
12.0M
    if (capacity <= 0) {
37
2.58M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
38
2.58M
        (void) min;
39
2.58M
        return(1);
40
#else
41
        return(min);
42
#endif
43
2.58M
    }
44
45
9.50M
    if ((capacity >= max) ||
46
9.50M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
47
110
        return(-1);
48
49
    /* Grow by 50% */
50
9.50M
    extra = (capacity + 1) / 2;
51
52
9.50M
    if (capacity > max - extra)
53
162
        return(max);
54
55
9.50M
    return(capacity + extra);
56
9.50M
}
57
58
#endif /* XML_MEMORY_H_PRIVATE__ */