reactos/modules/rosapps/applications/net/ncftp/sio/PWrite.c

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#include "syshdrs.h"
#if !defined(NO_SIGNALS) && defined(SIGPIPE)
extern volatile Sjmp_buf gPipeJmp;
#endif
int
PWrite(int sfd, const char *const buf0, size_t size)
{
volatile int nleft;
const char *volatile buf = buf0;
int nwrote;
#if !defined(NO_SIGNALS) && defined(SIGPIPE)
vsio_sigproc_t sigpipe;
if (SSetjmp(gPipeJmp) != 0) {
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
nwrote = size - nleft;
if (nwrote > 0)
return (nwrote);
errno = EPIPE;
return (kBrokenPipeErr);
}
sigpipe = (vsio_sigproc_t) SSignal(SIGPIPE, SIOHandler);
#endif
nleft = (int) size;
forever {
nwrote = write(sfd, buf, nleft);
if (nwrote < 0) {
if (errno != EINTR) {
nwrote = size - nleft;
if (nwrote == 0)
nwrote = -1;
goto done;
} else {
errno = 0;
nwrote = 0;
/* Try again. */
}
}
nleft -= nwrote;
if (nleft <= 0)
break;
buf += nwrote;
}
nwrote = size - nleft;
done:
#if !defined(NO_SIGNALS) && defined(SIGPIPE)
(void) SSignal(SIGPIPE, (sio_sigproc_t) sigpipe);
#endif
return (nwrote);
} /* PWrite */