Coverage Report

Created: 2026-05-30 06:17

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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873k
#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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2.35M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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2.35M
    int extra;
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2.35M
    if (capacity <= 0) {
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506k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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506k
        (void) min;
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506k
        return(1);
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#else
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        return(min);
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#endif
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506k
    }
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1.85M
    if ((capacity >= max) ||
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1.85M
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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190
        return(-1);
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48
    /* Grow by 50% */
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1.85M
    extra = (capacity + 1) / 2;
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1.85M
    if (capacity > max - extra)
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446
        return(max);
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1.85M
    return(capacity + extra);
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1.85M
}
parser.c:xmlGrowCapacity
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32
193k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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193k
    int extra;
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193k
    if (capacity <= 0) {
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26.6k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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26.6k
        (void) min;
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26.6k
        return(1);
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#else
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        return(min);
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#endif
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26.6k
    }
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166k
    if ((capacity >= max) ||
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166k
        ((size_t) capacity > SIZE_MAX / 2 / elemSize))
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190
        return(-1);
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    /* Grow by 50% */
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166k
    extra = (capacity + 1) / 2;
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166k
    if (capacity > max - extra)
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386
        return(max);
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166k
    return(capacity + extra);
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166k
}
Unexecuted instantiation: parserInternals.c:xmlGrowCapacity
Unexecuted instantiation: threads.c:xmlGrowCapacity
tree.c:xmlGrowCapacity
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32
317k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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317k
    int extra;
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317k
    if (capacity <= 0) {
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128k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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128k
        (void) min;
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128k
        return(1);
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#else
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        return(min);
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#endif
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128k
    }
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189k
    if ((capacity >= max) ||
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189k
        ((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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189k
    extra = (capacity + 1) / 2;
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51
189k
    if (capacity > max - extra)
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0
        return(max);
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189k
    return(capacity + extra);
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189k
}
uri.c:xmlGrowCapacity
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32
38.9k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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38.9k
    int extra;
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38.9k
    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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44
38.9k
    if ((capacity >= max) ||
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38.9k
        ((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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38.9k
    extra = (capacity + 1) / 2;
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51
38.9k
    if (capacity > max - extra)
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60
        return(max);
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54
38.9k
    return(capacity + extra);
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38.9k
}
Unexecuted instantiation: valid.c:xmlGrowCapacity
Unexecuted instantiation: xmlmemory.c:xmlGrowCapacity
Unexecuted instantiation: catalog.c:xmlGrowCapacity
Unexecuted instantiation: HTMLparser.c:xmlGrowCapacity
Unexecuted instantiation: xmlregexp.c:xmlGrowCapacity
Unexecuted instantiation: xmlschemas.c:xmlGrowCapacity
xinclude.c:xmlGrowCapacity
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32
21.2k
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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21.2k
    int extra;
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35
21.2k
    if (capacity <= 0) {
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11.9k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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11.9k
        (void) min;
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11.9k
        return(1);
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#else
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        return(min);
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#endif
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11.9k
    }
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44
9.27k
    if ((capacity >= max) ||
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9.27k
        ((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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9.27k
    extra = (capacity + 1) / 2;
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9.27k
    if (capacity > max - extra)
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0
        return(max);
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54
9.27k
    return(capacity + extra);
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9.27k
}
xpath.c:xmlGrowCapacity
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32
1.78M
xmlGrowCapacity(int capacity, size_t elemSize, int min, int max) {
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1.78M
    int extra;
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1.78M
    if (capacity <= 0) {
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339k
#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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339k
        (void) min;
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339k
        return(1);
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#else
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        return(min);
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#endif
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339k
    }
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1.44M
    if ((capacity >= max) ||
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1.44M
        ((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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1.44M
    extra = (capacity + 1) / 2;
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51
1.44M
    if (capacity > max - extra)
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0
        return(max);
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1.44M
    return(capacity + extra);
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1.44M
}
Unexecuted instantiation: encoding.c:xmlGrowCapacity
Unexecuted instantiation: pattern.c:xmlGrowCapacity
Unexecuted instantiation: xmlreader.c:xmlGrowCapacity
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#endif /* XML_MEMORY_H_PRIVATE__ */