20070714-1055

2 files changed, 15 insertions, 1 deletions

diff --git a/CHANGES b/CHANGES
index 5cebc86a..496f060e 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,5 @@
 20070714
-	add Sys->readn
+	add Sys->readn, update sys-read(2)
 	copy two repairs from emu/port/inferno.c to os/port/inferno.c
 20070619
 	remembered to include /appl/cmd/trfs.b /dis/trfs.dis
diff --git a/man/2/sys-read b/man/2/sys-read
index 38df696d..81ee5341 100644
--- a/man/2/sys-read
+++ b/man/2/sys-read
@@ -7,6 +7,7 @@ include "sys.m";
 sys := load Sys Sys->PATH;
 
 read:   fn(fd: ref FD, buf: array of byte, nbytes: int): int;
+readn:  fn(fd: ref FD, buf: array of byte, nbytes: int): int;
 write:  fn(fd: ref FD, buf: array of byte, nbytes: int): int;
 
 pread:  fn(fd: ref FD, buf: array of byte, nbytes: int,
@@ -36,6 +37,19 @@ In any event the number of bytes read is returned.
 A return value of
 0 is conventionally interpreted as end of file.
 .PP
+.B Readn
+continues to
+.B read
+from
+.I fd
+sequentially into
+.IR buf ,
+until
+.I nbytes
+have been read, or
+.B read
+returns a non-positive count.
+.PP
 .B Write
 writes
 .I nbytes