if (writing) {
if (IoTYPE(io) == IoTYPE_SOCKET
|| (IoTYPE(io) == IoTYPE_WRONLY && fd >= 0 && S_ISCHR(PL_statbuf.st_mode)) ) {
- mode[0] = 'w';
+ char *s = mode;
+ if (*s == 'I' || *s == '#')
+ s++;
+ *s = 'w';
if (!(IoOFP(io) = PerlIO_openn(aTHX_ type,mode,fd,0,0,NULL,0,svp))) {
PerlIO_close(fp);
IoIFP(io) = Nullfp;