Coverage Report

Created: 2025-11-24 06:34

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/libxml2/include/private/memory.h
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1
#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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828k
#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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 * @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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654k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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654k
    int extra;
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654k
    if (capacity <= 0) {
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140k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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140k
        (void) min;
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140k
        return(1);
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#else
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        return(min);
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#endif
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140k
    }
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514k
    if ((capacity >= max) ||
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513k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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615
        return(-1);
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48
    /* Grow by 50% */
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513k
    extra = (capacity + 1) / 2;
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513k
    if (capacity > max - extra)
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635
        return(max);
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513k
    return(capacity + extra);
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513k
}
parser.c:xmlGrowCapacity
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32
419k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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419k
    int extra;
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419k
    if (capacity <= 0) {
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49.6k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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49.6k
        (void) min;
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49.6k
        return(1);
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#else
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        return(min);
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#endif
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49.6k
    }
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370k
    if ((capacity >= max) ||
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369k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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615
        return(-1);
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48
    /* Grow by 50% */
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369k
    extra = (capacity + 1) / 2;
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369k
    if (capacity > max - extra)
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635
        return(max);
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368k
    return(capacity + extra);
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369k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
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32
66.8k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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66.8k
    int extra;
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66.8k
    if (capacity <= 0) {
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28.3k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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28.3k
        (void) min;
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28.3k
        return(1);
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#else
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        return(min);
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#endif
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28.3k
    }
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38.4k
    if ((capacity >= max) ||
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38.4k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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0
        return(-1);
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48
    /* Grow by 50% */
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38.4k
    extra = (capacity + 1) / 2;
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38.4k
    if (capacity > max - extra)
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0
        return(max);
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38.4k
    return(capacity + extra);
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38.4k
}
uri.c:xmlGrowCapacity
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32
21.9k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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21.9k
    int extra;
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21.9k
    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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21.9k
    if ((capacity >= max) ||
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21.9k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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0
        return(-1);
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48
    /* Grow by 50% */
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21.9k
    extra = (capacity + 1) / 2;
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51
21.9k
    if (capacity > max - extra)
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0
        return(max);
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21.9k
    return(capacity + extra);
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21.9k
}
valid.c:xmlGrowCapacity
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32
929
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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929
    int extra;
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929
    if (capacity <= 0) {
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696
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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696
        (void) min;
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696
        return(1);
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#else
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        return(min);
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#endif
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696
    }
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233
    if ((capacity >= max) ||
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233
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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0
        return(-1);
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48
    /* Grow by 50% */
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233
    extra = (capacity + 1) / 2;
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233
    if (capacity > max - extra)
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0
        return(max);
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233
    return(capacity + extra);
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233
}
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
xmlregexp.c:xmlGrowCapacity
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32
145k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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145k
    int extra;
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145k
    if (capacity <= 0) {
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61.9k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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61.9k
        (void) min;
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61.9k
        return(1);
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#else
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        return(min);
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#endif
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61.9k
    }
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83.5k
    if ((capacity >= max) ||
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83.5k
        ((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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83.5k
    extra = (capacity + 1) / 2;
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51
83.5k
    if (capacity > max - extra)
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0
        return(max);
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83.5k
    return(capacity + extra);
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83.5k
}
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
Unexecuted instantiation: xpath.c:xmlGrowCapacity
Unexecuted instantiation: encoding.c:xmlGrowCapacity
Unexecuted instantiation: pattern.c:xmlGrowCapacity
Unexecuted instantiation: xmlreader.c:xmlGrowCapacity
Unexecuted instantiation: xinclude.c:xmlGrowCapacity
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#endif /* XML_MEMORY_H_PRIVATE__ */