archived-presentations/slides/myphp/php-return-2.xml

<slide title="Returning from php()">
  <example title="Numeric results use %sprintf()%:" type="c" fontsize="1.5em"><![CDATA[case IS_DOUBLE:
    if (rv->size < 32) {
        rv->str = (char *) realloc(rv->str, 32);
        if (NULL == rv->str) {
            error = "1";
            fprintf(stderr,"Can't allocate memory for double result");
            result = NULL;
            break;
        }
        rv->size = 32;
    }
    sprintf(rv->str,"%f",zv->value.dval);
    *length = (ulong) strlen(rv->str);
    result = rv->str;
    break;
case IS_LONG:
case IS_BOOL:
    if (rv->size < 32) {
        rv->str = (char *) realloc(rv->str, 32);
        if (NULL == rv->str) {
            error = "1";
            fprintf(stderr,"Can't allocate memory for double result");
            result = NULL;
            break;
        }
        rv->size = 32;
    }
    sprintf(rv->str,"%ld",zv->value.lval);
    *length = (ulong) strlen(rv->str);
    result = rv->str;
    break;
]]></example>
</slide>