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#include "stralloc.h"
#include <stdlib.h>
/* stralloc_readyplus is like stralloc_ready except that, if sa is
* already allocated, stralloc_readyplus adds the current length of sa
* to len. */
int stralloc_readyplus(stralloc *sa,size_t len) {
if (sa->s) {
if (sa->len + len < len) return 0; /* catch integer overflow */
return stralloc_ready(sa,sa->len+len);
} else
return stralloc_ready(sa,len);
}