Coverage Report

Created: 2026-01-09 06:45

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
20.8M
#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
23.3M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
23.3M
    int extra;
34
35
23.3M
    if (capacity <= 0) {
36
11.8M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
11.8M
        (void) min;
38
11.8M
        return(1);
39
#else
40
        return(min);
41
#endif
42
11.8M
    }
43
44
11.4M
    if ((capacity >= max) ||
45
10.8M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
576k
        return(-1);
47
48
    /* Grow by 50% */
49
10.8M
    extra = (capacity + 1) / 2;
50
51
10.8M
    if (capacity > max - extra)
52
4.02k
        return(max);
53
54
10.8M
    return(capacity + extra);
55
10.8M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
Line
Count
Source
32
1.03M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
1.03M
    int extra;
34
35
1.03M
    if (capacity <= 0) {
36
595k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
595k
        (void) min;
38
595k
        return(1);
39
#else
40
        return(min);
41
#endif
42
595k
    }
43
44
442k
    if ((capacity >= max) ||
45
442k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
442k
    extra = (capacity + 1) / 2;
50
51
442k
    if (capacity > max - extra)
52
0
        return(max);
53
54
442k
    return(capacity + extra);
55
442k
}
uri.c:xmlGrowCapacity
Line
Count
Source
32
134k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
134k
    int extra;
34
35
134k
    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
134k
    if ((capacity >= max) ||
45
134k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
26
        return(-1);
47
48
    /* Grow by 50% */
49
134k
    extra = (capacity + 1) / 2;
50
51
134k
    if (capacity > max - extra)
52
134
        return(max);
53
54
134k
    return(capacity + extra);
55
134k
}
valid.c:xmlGrowCapacity
Line
Count
Source
32
11.4k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
11.4k
    int extra;
34
35
11.4k
    if (capacity <= 0) {
36
5.05k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
5.05k
        (void) min;
38
5.05k
        return(1);
39
#else
40
        return(min);
41
#endif
42
5.05k
    }
43
44
6.44k
    if ((capacity >= max) ||
45
6.44k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
6.44k
    extra = (capacity + 1) / 2;
50
51
6.44k
    if (capacity > max - extra)
52
0
        return(max);
53
54
6.44k
    return(capacity + extra);
55
6.44k
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
HTMLparser.c:xmlGrowCapacity
Line
Count
Source
32
34.7k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
34.7k
    int extra;
34
35
34.7k
    if (capacity <= 0) {
36
7.74k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
7.74k
        (void) min;
38
7.74k
        return(1);
39
#else
40
        return(min);
41
#endif
42
7.74k
    }
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
12.7M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
12.7M
    int extra;
34
35
12.7M
    if (capacity <= 0) {
36
9.28M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
9.28M
        (void) min;
38
9.28M
        return(1);
39
#else
40
        return(min);
41
#endif
42
9.28M
    }
43
44
3.44M
    if ((capacity >= max) ||
45
3.44M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
3.44M
    extra = (capacity + 1) / 2;
50
51
3.44M
    if (capacity > max - extra)
52
0
        return(max);
53
54
3.44M
    return(capacity + extra);
55
3.44M
}
xmlschemas.c:xmlGrowCapacity
Line
Count
Source
32
203k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
203k
    int extra;
34
35
203k
    if (capacity <= 0) {
36
79.4k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
79.4k
        (void) min;
38
79.4k
        return(1);
39
#else
40
        return(min);
41
#endif
42
79.4k
    }
43
44
123k
    if ((capacity >= max) ||
45
123k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
123k
    extra = (capacity + 1) / 2;
50
51
123k
    if (capacity > max - extra)
52
0
        return(max);
53
54
123k
    return(capacity + extra);
55
123k
}
xpath.c:xmlGrowCapacity
Line
Count
Source
32
6.84M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
6.84M
    int extra;
34
35
6.84M
    if (capacity <= 0) {
36
1.59M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
1.59M
        (void) min;
38
1.59M
        return(1);
39
#else
40
        return(min);
41
#endif
42
1.59M
    }
43
44
5.24M
    if ((capacity >= max) ||
45
4.67M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
574k
        return(-1);
47
48
    /* Grow by 50% */
49
4.67M
    extra = (capacity + 1) / 2;
50
51
4.67M
    if (capacity > max - extra)
52
35
        return(max);
53
54
4.67M
    return(capacity + extra);
55
4.67M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
Line
Count
Source
32
2.08M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
2.08M
    int extra;
34
35
2.08M
    if (capacity <= 0) {
36
207k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
207k
        (void) min;
38
207k
        return(1);
39
#else
40
        return(min);
41
#endif
42
207k
    }
43
44
1.87M
    if ((capacity >= max) ||
45
1.87M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
2.04k
        return(-1);
47
48
    /* Grow by 50% */
49
1.87M
    extra = (capacity + 1) / 2;
50
51
1.87M
    if (capacity > max - extra)
52
3.85k
        return(max);
53
54
1.87M
    return(capacity + extra);
55
1.87M
}
pattern.c:xmlGrowCapacity
Line
Count
Source
32
185k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
185k
    int extra;
34
35
185k
    if (capacity <= 0) {
36
60.9k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
60.9k
        (void) min;
38
60.9k
        return(1);
39
#else
40
        return(min);
41
#endif
42
60.9k
    }
43
44
124k
    if ((capacity >= max) ||
45
124k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
124k
    extra = (capacity + 1) / 2;
50
51
124k
    if (capacity > max - extra)
52
0
        return(max);
53
54
124k
    return(capacity + extra);
55
124k
}
xmlreader.c:xmlGrowCapacity
Line
Count
Source
32
556
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
556
    int extra;
34
35
556
    if (capacity <= 0) {
36
248
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
248
        (void) min;
38
248
        return(1);
39
#else
40
        return(min);
41
#endif
42
248
    }
43
44
308
    if ((capacity >= max) ||
45
308
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
308
    extra = (capacity + 1) / 2;
50
51
308
    if (capacity > max - extra)
52
0
        return(max);
53
54
308
    return(capacity + extra);
55
308
}
xinclude.c:xmlGrowCapacity
Line
Count
Source
32
43.6k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
33
43.6k
    int extra;
34
35
43.6k
    if (capacity <= 0) {
36
32.0k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
37
32.0k
        (void) min;
38
32.0k
        return(1);
39
#else
40
        return(min);
41
#endif
42
32.0k
    }
43
44
11.5k
    if ((capacity >= max) ||
45
11.5k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
46
0
        return(-1);
47
48
    /* Grow by 50% */
49
11.5k
    extra = (capacity + 1) / 2;
50
51
11.5k
    if (capacity > max - extra)
52
0
        return(max);
53
54
11.5k
    return(capacity + extra);
55
11.5k
}
Unexecuted instantiation: c14n.c:xmlGrowCapacity
56
57
#endif /* XML_MEMORY_H_PRIVATE__ */