Coverage Report

Created: 2025-11-24 06:50

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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107k
#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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275k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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275k
    int extra;
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275k
    if (capacity <= 0) {
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75.5k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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75.5k
        (void) min;
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75.5k
        return(1);
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#else
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        return(min);
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#endif
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75.5k
    }
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199k
    if ((capacity >= max) ||
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199k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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274
        return(-1);
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    /* Grow by 50% */
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199k
    extra = (capacity + 1) / 2;
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199k
    if (capacity > max - extra)
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        return(max);
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199k
    return(capacity + extra);
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199k
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
parser.c:xmlGrowCapacity
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33
7.65k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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7.65k
    int extra;
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7.65k
    if (capacity <= 0) {
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192
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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192
        (void) min;
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        return(1);
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#else
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        return(min);
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#endif
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    }
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7.46k
    if ((capacity >= max) ||
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7.39k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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        return(-1);
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    /* Grow by 50% */
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7.39k
    extra = (capacity + 1) / 2;
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7.39k
    if (capacity > max - extra)
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        return(max);
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7.30k
    return(capacity + extra);
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7.39k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
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33
103k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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103k
    int extra;
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103k
    if (capacity <= 0) {
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51.6k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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51.6k
        (void) min;
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51.6k
        return(1);
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#else
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        return(min);
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#endif
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51.6k
    }
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51.6k
    if ((capacity >= max) ||
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51.6k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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0
        return(-1);
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    /* Grow by 50% */
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51.6k
    extra = (capacity + 1) / 2;
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51.6k
    if (capacity > max - extra)
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0
        return(max);
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51.6k
    return(capacity + extra);
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51.6k
}
uri.c:xmlGrowCapacity
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33
2.83k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.83k
    int extra;
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2.83k
    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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2.83k
    if ((capacity >= max) ||
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2.79k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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        return(-1);
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    /* Grow by 50% */
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2.79k
    extra = (capacity + 1) / 2;
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2.79k
    if (capacity > max - extra)
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        return(max);
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2.75k
    return(capacity + extra);
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2.79k
}
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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161k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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161k
    int extra;
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161k
    if (capacity <= 0) {
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23.7k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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23.7k
        (void) min;
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23.7k
        return(1);
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#else
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        return(min);
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#endif
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23.7k
    }
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137k
    if ((capacity >= max) ||
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137k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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        return(-1);
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    /* Grow by 50% */
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137k
    extra = (capacity + 1) / 2;
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137k
    if (capacity > max - extra)
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        return(max);
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137k
    return(capacity + extra);
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137k
}
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#endif /* XML_MEMORY_H_PRIVATE__ */