Description: Handle SIGWINCH
Auther: Joey Hess <joeyh@debian.org>
Reported-By: Joey Hess <joeyh@debian.org>
Bug-Debian: http://bugs.debian.org/564931
Reviewed-By: NIIBE Yutaka <gniibe@fsij.org>
Last-Update: 2010-04-27

--- ttyrec-1.0.8.orig/ttyplay.c	2010-04-27 15:22:58.000000000 +0900
+++ ttyrec-1.0.8/ttyplay.c	2010-04-27 15:23:19.000000000 +0900
@@ -151,8 +151,15 @@
 int
 ttyread (FILE *fp, Header *h, char **buf)
 {
+    fpos_t pos;
+    int can_seek=0;
+    if (fgetpos(fp, &pos) == 0) {
+	can_seek=1;
+    }
+    clearerr(fp);
+
     if (read_header(fp, h) == 0) {
-	return 0;
+	goto err;
     }
 
     *buf = malloc(h->len);
@@ -161,9 +168,21 @@
     }
 	
     if (fread(*buf, 1, h->len, fp) == 0) {
-	perror("fread");
+	goto err;
     }
     return 1;
+
+err:
+    if (ferror(fp)) {
+	perror("fread");
+    }
+    else {
+	/* Short read. Seek back to before header, to set up for retry. */
+	if (can_seek) {
+	    fsetpos(fp, &pos);
+	}
+    }
+    return 0;
 }
 
 int