STRING_HANDLE STRING_from_byte_array()

in src/strings.c [833:871]

• 33 lines of code
• 5 McCabe index (conditional complexity)

STRING_HANDLE STRING_from_byte_array(const unsigned char* source, size_t size)
{
    STRING* result;
    /*Codes_SRS_STRING_02_022: [ If source is NULL and size > 0 then STRING_from_BUFFER shall fail and return NULL. ]*/
    if ((source == NULL) && (size > 0))
    {
        LogError("invalid parameter (NULL)");
        result = NULL;
    }
    else
    {
        /*Codes_SRS_STRING_02_023: [ Otherwise, STRING_from_BUFFER shall build a string that has the same content (byte-by-byte) as source and return a non-NULL handle. ]*/
        result = malloc(sizeof(STRING));
        if (result == NULL)
        {
            /*Codes_SRS_STRING_02_024: [ If building the string fails, then STRING_from_BUFFER shall fail and return NULL. ]*/
            LogError("oom - unable to malloc");
            /*return as is*/
        }
        else
        {
            /*Codes_SRS_STRING_02_023: [ Otherwise, STRING_from_BUFFER shall build a string that has the same content (byte-by-byte) as source and return a non-NULL handle. ]*/
            result->s = malloc_flex(1, size, 1);
            if (result->s == NULL)
            {
                /*Codes_SRS_STRING_02_024: [ If building the string fails, then STRING_from_BUFFER shall fail and return NULL. ]*/
                LogError("oom - unable to malloc");
                free(result);
                result = NULL;
            }
            else
            {
                (void)memcpy(result->s, source, size);
                result->s[size] = '\0'; /*all is fine*/
            }
        }
    }
    return (STRING_HANDLE)result;
}