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ITS#910, ITS#1983 retry partial writes in ber_pvt_sb_do_write

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blind fix, needs testing
This commit is contained in:
Howard Chu 2002-08-01 03:03:52 +00:00
parent d22612e8db
commit 478283ea47
1 changed files with 21 additions and 13 deletions
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34
libraries/liblber/sockbuf.c
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@ -288,7 +288,7 @@ ber_pvt_sb_copy_out( Sockbuf_Buf *sbb, char *buf, ber_len_t len )
ber_slen_t
ber_pvt_sb_do_write( Sockbuf_IO_Desc *sbiod, Sockbuf_Buf *buf_out )
{
ber_len_t to_go;
ber_len_t to_go, done = 0;
ber_slen_t ret;
assert( sbiod != NULL );
@ -300,24 +300,32 @@ ber_pvt_sb_do_write( Sockbuf_IO_Desc *sbiod, Sockbuf_Buf *buf_out )
for(;;) {
ret = LBER_SBIOD_WRITE_NEXT( sbiod, buf_out->buf_base +
buf_out->buf_ptr, to_go );
if ( ret < 0 ) {
if (errno==EAGAIN
#ifdef EINTR
if ((ret<0) && (errno==EINTR)) continue;
|| errno==EINTR
#endif
break;
}
) continue;
if ( ret <= 0 ) return ret;
return ret;
}
if ( ret == 0 ) return ret;
buf_out->buf_ptr += ret;
if (buf_out->buf_ptr == buf_out->buf_end) {
buf_out->buf_end = buf_out->buf_ptr = 0;
}
buf_out->buf_ptr += ret;
done += ret;
if ( (ber_len_t)ret < to_go ) {
/* not enough data, so pretend no data was sent. */
return -1;
if (buf_out->buf_ptr == buf_out->buf_end) {
buf_out->buf_end = buf_out->buf_ptr = 0;
ret = done;
break;
} else if (buf_out->buf_ptr > buf_out->buf_end) {
/* impossible */
return -1;
} else {
to_go -= ret;
}
}
return ret;
}