Function xmlMemoryStrdup

ThirdParty/libxml2/vtklibxml2/xmlmemory.c:257–288

* xmlMemoryStrdup: * @str: the initial string pointer * * a strdup() equivalent, with logging of the allocation info. * * Returns a pointer to the new string or NULL if allocation error occurred. */

 * Returns a pointer to the new string or NULL if allocation error occurred.
 */
char *
xmlMemoryStrdup(const char *str) {
    char *s;
    size_t size = strlen(str) + 1;
    MEMHDR *p;

    xmlInitParser();

    if (size > (MAX_SIZE_T - RESERVE_SIZE)) {
        fprintf(stderr, "xmlMemoryStrdup: Unsigned overflow\n");
        return(NULL);
    }

    p = (MEMHDR *) malloc(RESERVE_SIZE + size);
    if (!p) {
        fprintf(stderr, "xmlMemoryStrdup: Out of memory\n");
        return(NULL);
    }
    p->mh_tag = MEMTAG;
    p->mh_size = size;

    xmlMutexLock(&xmlMemMutex);
    debugMemSize += size;
    debugMemBlocks++;
    xmlMutexUnlock(&xmlMemMutex);

    s = (char *) HDR_2_CLIENT(p);

    memcpy(s, str, size);

    return(s);
}

/**
 * xmlMemSize: