qmail 1.03 import

1 files changed, 22 insertions, 0 deletions

diff --git a/timeoutread.c b/timeoutread.c
new file mode 100644
index 0000000..c75e29c
--- /dev/null
+++ b/timeoutread.c
@@ -0,0 +1,22 @@
+#include "timeoutread.h"
+#include "select.h"
+#include "error.h"
+#include "readwrite.h"
+
+int timeoutread(t,fd,buf,len) int t; int fd; char *buf; int len;
+{
+  fd_set rfds;
+  struct timeval tv;
+
+  tv.tv_sec = t;
+  tv.tv_usec = 0;
+
+  FD_ZERO(&rfds);
+  FD_SET(fd,&rfds);
+
+  if (select(fd + 1,&rfds,(fd_set *) 0,(fd_set *) 0,&tv) == -1) return -1;
+  if (FD_ISSET(fd,&rfds)) return read(fd,buf,len);
+
+  errno = error_timeout;
+  return -1;
+}