X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fpipe.cpp;h=f6bc335d4216a48e820f9bd98c10c1e9b8c761f3;hp=1301b3ad0a8ce2a8554157d3d737bfa99b9bd06a;hb=HEAD;hpb=ea8bf8f588310b0d7fd3297d74907602705bba1d

diff --git a/source/io/pipe.cpp b/source/io/pipe.cpp
index 1301b3a..f6bc335 100644
--- a/source/io/pipe.cpp
+++ b/source/io/pipe.cpp
@@ -43,18 +43,22 @@ void Pipe::set_mode(Mode m)
 void Pipe::set_block(bool b)
 {
 	adjust_mode(mode, M_NONBLOCK, !b);
-	sys_set_blocking(read_handle, b);
-	sys_set_blocking(write_handle, b);
+	if(read_handle)
+		sys_set_blocking(read_handle, b);
+	if(write_handle)
+		sys_set_blocking(write_handle, b);
 }
 
 void Pipe::set_inherit(bool i)
 {
 	adjust_mode(mode, M_INHERIT, i);
-	sys_set_inherit(read_handle, i);
-	sys_set_inherit(write_handle, i);
+	if(read_handle)
+		sys_set_inherit(read_handle, i);
+	if(write_handle)
+		sys_set_inherit(write_handle, i);
 }
 
-unsigned Pipe::do_write(const char *buf, unsigned size)
+size_t Pipe::do_write(const char *buf, size_t size)
 {
 	if(size==0)
 		return 0;
@@ -62,12 +66,12 @@ unsigned Pipe::do_write(const char *buf, unsigned size)
 	return sys_write(write_handle, buf, size);
 }
 
-unsigned Pipe::do_read(char *buf, unsigned size)
+size_t Pipe::do_read(char *buf, size_t size)
 {
 	if(size==0)
 		return 0;
 
-	unsigned ret = reader.read(buf, size);
+	size_t ret = reader.read(buf, size);
 	if(ret==0)
 		set_eof();