#include <stdint.h>

#include <stddef.h>

#include <xmlsec/buffer.h>

#include <xmlsec/parser.h>

int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);

static void ignore(void* ctx, const char* msg, ...) {

    /* Error handler to avoid spam of error messages from libxml parser. */

    (void)ctx;

    (void)msg;

}

static int g_initialized = 0;

int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

    xmlSecBufferPtr buf;

    xmlDocPtr doc;

    if (!g_initialized) {

        xmlSetGenericErrorFunc(NULL, &ignore);

        g_initialized = 1;

    }

    /* A zero-size buffer never allocates data, so xmlSecBufferGetData() would

     * return NULL; skip empty inputs like the sibling targets do. */

    if (size == 0) {

        return 0;

    }

    buf = xmlSecBufferCreate(size);

    if(buf == NULL) {

        return 0;

    }

    if(xmlSecBufferSetData(buf, data, size) < 0) {

        xmlSecBufferDestroy(buf);

        return 0;

    }

    doc = xmlSecParseMemory(xmlSecBufferGetData(buf),

            xmlSecBufferGetSize(buf), 0);

    if (doc != NULL) {

        xmlFreeDoc(doc);

    }

    xmlSecBufferDestroy(buf);

    return 0;

}