Coverage Report

Created: 2026-09-03 06:06

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
3.81M
#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
 * @array:  pointer to array
22
 * @capacity:  pointer to capacity (in/out)
23
 * @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
 *
29
 * Returns the new array size on success, -1 on failure.
30
 */
31
static XML_INLINE int
32
4.64M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
4.64M
    int extra;
34
35
4.64M
    if (capacity <= 0) {
36
1.84M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.84M
        (void) min;
38
1.84M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.84M
    }
43
44
2.79M
    if ((capacity >= max) ||
45
2.79M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
239
        return(-1);
47
48
    /* Grow by 50% */
49
2.79M
    extra = (capacity + 1) / 2;
50
51
2.79M
    if (capacity > max - extra)
52
439
        return(max);
53
54
2.79M
    return(capacity + extra);
55
2.79M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
32
96.4k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
96.4k
    int extra;
34
35
96.4k
    if (capacity <= 0) {
36
96.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
96.0k
        (void) min;
38
96.0k
        return(1);
39
#else
40
        return(min);
41
#endif
42
96.0k
    }
43
44
356
    if ((capacity >= max) ||
45
356
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
356
    extra = (capacity + 1) / 2;
50
51
356
    if (capacity > max - extra)
52
0
        return(max);
53
54
356
    return(capacity + extra);
55
356
}
uri.c:xmlGrowCapacity
Line
Count
Source
32
33.6k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
33.6k
    int extra;
34
35
33.6k
    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);
41
#endif
42
0
    }
43
44
33.6k
    if ((capacity >= max) ||
45
33.5k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
31
        return(-1);
47
48
    /* Grow by 50% */
49
33.5k
    extra = (capacity + 1) / 2;
50
51
33.5k
    if (capacity > max - extra)
52
47
        return(max);
53
54
33.5k
    return(capacity + extra);
55
33.5k
}
valid.c:xmlGrowCapacity
Line
Count
Source
32
8.59k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
8.59k
    int extra;
34
35
8.59k
    if (capacity <= 0) {
36
3.24k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
3.24k
        (void) min;
38
3.24k
        return(1);
39
#else
40
        return(min);
41
#endif
42
3.24k
    }
43
44
5.35k
    if ((capacity >= max) ||
45
5.35k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
5.35k
    extra = (capacity + 1) / 2;
50
51
5.35k
    if (capacity > max - extra)
52
0
        return(max);
53
54
5.35k
    return(capacity + extra);
55
5.35k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
444
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
444
    int extra;
34
35
444
    if (capacity <= 0) {
36
210
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
210
        (void) min;
38
210
        return(1);
39
#else
40
        return(min);
41
#endif
42
210
    }
43
44
234
    if ((capacity >= max) ||
45
234
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
234
    extra = (capacity + 1) / 2;
50
51
234
    if (capacity > max - extra)
52
0
        return(max);
53
54
234
    return(capacity + extra);
55
234
}
xmlregexp.c:xmlGrowCapacity
Line
Count
Source
32
2.65M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.65M
    int extra;
34
35
2.65M
    if (capacity <= 0) {
36
1.23M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.23M
        (void) min;
38
1.23M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.23M
    }
43
44
1.42M
    if ((capacity >= max) ||
45
1.42M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
1.42M
    extra = (capacity + 1) / 2;
50
51
1.42M
    if (capacity > max - extra)
52
0
        return(max);
53
54
1.42M
    return(capacity + extra);
55
1.42M
}
Unexecuted instantiation: relaxng.c:xmlGrowCapacity
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
xinclude.c:xmlGrowCapacity
Line
Count
Source
32
23.7k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
23.7k
    int extra;
34
35
23.7k
    if (capacity <= 0) {
36
21.1k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
21.1k
        (void) min;
38
21.1k
        return(1);
39
#else
40
        return(min);
41
#endif
42
21.1k
    }
43
44
2.59k
    if ((capacity >= max) ||
45
2.59k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
2.59k
    extra = (capacity + 1) / 2;
50
51
2.59k
    if (capacity > max - extra)
52
0
        return(max);
53
54
2.59k
    return(capacity + extra);
55
2.59k
}
xpath.c:xmlGrowCapacity
Line
Count
Source
32
1.43M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
1.43M
    int extra;
34
35
1.43M
    if (capacity <= 0) {
36
454k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
454k
        (void) min;
38
454k
        return(1);
39
#else
40
        return(min);
41
#endif
42
454k
    }
43
44
983k
    if ((capacity >= max) ||
45
983k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
983k
    extra = (capacity + 1) / 2;
50
51
983k
    if (capacity > max - extra)
52
0
        return(max);
53
54
983k
    return(capacity + extra);
55
983k
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
32
389k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
389k
    int extra;
34
35
389k
    if (capacity <= 0) {
36
36.5k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
36.5k
        (void) min;
38
36.5k
        return(1);
39
#else
40
        return(min);
41
#endif
42
36.5k
    }
43
44
352k
    if ((capacity >= max) ||
45
352k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
208
        return(-1);
47
48
    /* Grow by 50% */
49
352k
    extra = (capacity + 1) / 2;
50
51
352k
    if (capacity > max - extra)
52
392
        return(max);
53
54
352k
    return(capacity + extra);
55
352k
}
Unexecuted instantiation: pattern.c:xmlGrowCapacity
56
57
XML_HIDDEN void *
58
xmlGrowArray(void *array, size_t elemSize, int *capacity, int min, int max);
59
60
#endif /* XML_MEMORY_H_PRIVATE__ */