Coverage Report

Created: 2026-10-28 06:36

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxml2/include/private/memory.h
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#ifndef XML_MEMORY_H_PRIVATE__
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#define XML_MEMORY_H_PRIVATE__
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#include "../../libxml.h"
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#include <limits.h>
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#include <stddef.h>
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#ifndef SIZE_MAX
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  #define SIZE_MAX ((size_t) -1)
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#endif
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3.96M
#define XML_MAX_ITEMS 1000000000 /* 1 billion */
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XML_HIDDEN void
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xmlInitMemoryInternal(void);
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XML_HIDDEN void
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xmlCleanupMemoryInternal(void);
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/**
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 * xmlGrowCapacity:
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 * @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
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 *
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 * Grow an array by at least one element, checking for overflow.
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 *
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 * Returns the new array size on success, -1 on failure.
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 */
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static XML_INLINE int
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27.0M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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27.0M
    int extra;
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27.0M
    if (capacity <= 0) {
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5.95M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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5.95M
        (void) min;
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5.95M
        return(1);
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#else
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        return(min);
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#endif
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5.95M
    }
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21.0M
    if ((capacity >= max) ||
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21.0M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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4.51k
        return(-1);
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49
    /* Grow by 50% */
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21.0M
    extra = (capacity + 1) / 2;
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21.0M
    if (capacity > max - extra)
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7.24k
        return(max);
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21.0M
    return(capacity + extra);
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21.0M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
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33
4.05M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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4.05M
    int extra;
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4.05M
    if (capacity <= 0) {
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892k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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892k
        (void) min;
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892k
        return(1);
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#else
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        return(min);
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#endif
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892k
    }
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3.16M
    if ((capacity >= max) ||
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3.15M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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3.53k
        return(-1);
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    /* Grow by 50% */
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3.15M
    extra = (capacity + 1) / 2;
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3.15M
    if (capacity > max - extra)
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5.95k
        return(max);
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3.15M
    return(capacity + extra);
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3.15M
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
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33
1.58M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.58M
    int extra;
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1.58M
    if (capacity <= 0) {
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710k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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710k
        (void) min;
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710k
        return(1);
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#else
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        return(min);
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#endif
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710k
    }
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870k
    if ((capacity >= max) ||
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870k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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0
        return(-1);
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49
    /* Grow by 50% */
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870k
    extra = (capacity + 1) / 2;
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870k
    if (capacity > max - extra)
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0
        return(max);
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870k
    return(capacity + extra);
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870k
}
uri.c:xmlGrowCapacity
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33
110k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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110k
    int extra;
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110k
    if (capacity <= 0) {
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0
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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0
        (void) min;
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0
        return(1);
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#else
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        return(min);
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#endif
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0
    }
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110k
    if ((capacity >= max) ||
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109k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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581
        return(-1);
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49
    /* Grow by 50% */
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109k
    extra = (capacity + 1) / 2;
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109k
    if (capacity > max - extra)
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844
        return(max);
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109k
    return(capacity + extra);
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109k
}
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
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33
21.3M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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21.3M
    int extra;
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21.3M
    if (capacity <= 0) {
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4.34M
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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4.34M
        (void) min;
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4.34M
        return(1);
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#else
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        return(min);
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#endif
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4.34M
    }
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16.9M
    if ((capacity >= max) ||
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16.9M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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401
        return(-1);
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49
    /* Grow by 50% */
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16.9M
    extra = (capacity + 1) / 2;
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52
16.9M
    if (capacity > max - extra)
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440
        return(max);
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16.9M
    return(capacity + extra);
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16.9M
}
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#endif /* XML_MEMORY_H_PRIVATE__ */