Quick fix for the could not fill input buffer problem

git-svn-id: http://svn.digium.com/svn/zaptel/branches/1.4@2787 5390a7c7-147a-4af0-8ec9-7488f05a26cb

1 files changed, 17 insertions, 7 deletions

diff --git a/fxotune.c b/fxotune.c
index 08c4454..9e12f3a 100644
--- a/fxotune.c
+++ b/fxotune.c
@@ -332,11 +332,14 @@ static int maptone(int whichzap, int freq, char *dialstr, int delayuntilsilence)
 		return -1;
 	}
 
-	/* read return response */
+retry:
+		/* read return response */
 	res = read(whichzap, inbuf, BUFFER_LENGTH);
 	if (res != BUFFER_LENGTH) {
-		fprintf(stderr, "Could not fill input buffer\n");
-		return -1;
+		int x;
+
+		ioctl(whichzap, ZT_GETEVENT, &x);
+		goto retry;
 	}
 
 	/* write content of output buffer to debug file */
@@ -484,11 +487,14 @@ static int acim_tune2(int whichzap, int freq, char *dialstr, int delayuntilsilen
 			return -1;
 		}
 
+retry:
 		/* read return response */
 		res = read(whichzap, inbuf, BUFFER_LENGTH);
 		if (res != BUFFER_LENGTH) {
-			fprintf(stderr, "Could not fill input buffer - got %d bytes, expected %d bytes\n", res, BUFFER_LENGTH);
-			return -1;
+			int x;
+
+			ioctl(whichzap, ZT_GETEVENT, &x);
+			goto retry;
 		}
 
 		/* calculate RMS of response */
@@ -626,10 +632,14 @@ static int acim_tune(int whichzap, char *dialstr, int delayuntilsilence, int sil
 			}
 
 			/* read return response */
+retry:
+			/* read return response */
 			res = read(whichzap, inbuf, BUFFER_LENGTH);
 			if (res != BUFFER_LENGTH) {
-				fprintf(stderr, "Could not fill input buffer\n");
-				return -1;
+				int x;
+	
+				ioctl(whichzap, ZT_GETEVENT, &x);
+				goto retry;
 			}
 
 			/* calculate power of response */