From e5888a1ffdae813d7575f5fb02275c6bb07e5199 Mon Sep 17 00:00:00 2001 From: Taru Karttunen Date: Wed, 30 Mar 2011 15:46:40 +0300 Subject: Import sources from 2011-03-30 iso image --- sys/src/libbio/bwrite.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100755 sys/src/libbio/bwrite.c (limited to 'sys/src/libbio/bwrite.c') diff --git a/sys/src/libbio/bwrite.c b/sys/src/libbio/bwrite.c new file mode 100755 index 000000000..ae7a7d97c --- /dev/null +++ b/sys/src/libbio/bwrite.c @@ -0,0 +1,43 @@ +#include +#include +#include + +long +Bwrite(Biobufhdr *bp, void *ap, long count) +{ + long c; + uchar *p; + int i, n, oc; + char errbuf[ERRMAX]; + + p = ap; + c = count; + oc = bp->ocount; + + while(c > 0) { + n = -oc; + if(n > c) + n = c; + if(n == 0) { + if(bp->state != Bwactive) + return Beof; + i = write(bp->fid, bp->bbuf, bp->bsize); + if(i != bp->bsize) { + errstr(errbuf, sizeof errbuf); + if(strstr(errbuf, "interrupt") == nil) + bp->state = Binactive; + errstr(errbuf, sizeof errbuf); + return Beof; + } + bp->offset += i; + oc = -bp->bsize; + continue; + } + memmove(bp->ebuf+oc, p, n); + oc += n; + c -= n; + p += n; + } + bp->ocount = oc; + return count-c; +} -- cgit v1.2.3