Fixing ReadJob to work better with partial input buffers.

1 files changed, 12 insertions, 3 deletions

diff --git a/lib/ReadJob.cc b/lib/ReadJob.cc
index 6851f0e..33f78dd 100644
--- a/lib/ReadJob.cc
+++ b/lib/ReadJob.cc
@@ -34,22 +34,31 @@ ReadJob::ReadJob(Handle * as, Handle * ad, const Regex & aregex) : s(as), d(ad),
 ReadJob::~ReadJob() { }
 
 int ReadJob::Do() throw (GeneralException) {
-    String buff;
-    
+    String ubuff;
+
     switch (current) {
     case 0:
         try {
-	    *s >> buff;
+            if (buff.strlen() == 0) {
+                *s >> buff;
+            } else {
+	        *s >> ubuff;
+            }
 	}
 	catch (IOAgain e) {
+            if (ubuff.strlen() != 0)
+                buff = buff + ubuff;
 	    WaitFor(s, W4_READING);
 	    Suspend(TASK_ON_HOLD);
 	}
+        if (ubuff.strlen() != 0)
+            buff = buff + ubuff;
     case 1:
 	try {
 	    *d << buff << "\n";
 	}
 	catch (IOAgain e) {
+            /***TODO*** Potential bug here: if the write was partial, we'd need to restart at a later position. */
 	    current = 1;
 	    WaitFor(d, W4_WRITING);
 	    Suspend(TASK_ON_HOLD);