[libbluray-devel] disc: flush cache file before close (try to detect errors)

[hpi1]

libbluray | branch: master | hpi1 <hpi1 at anonymous.org> | Sun May 15 16:09:31 2016 +0300| [34f6e3fd9ef29ae09babddb8fb6f60ade8989a94] | committer: hpi1

disc: flush cache file before close (try to detect errors)

> http://git.videolan.org/gitweb.cgi/libbluray.git/?a=commit;h=34f6e3fd9ef29ae09babddb8fb6f60ade8989a94
---

 src/libbluray/disc/disc.c |    8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/libbluray/disc/disc.c b/src/libbluray/disc/disc.c
index 290e90f..b61281e 100644
--- a/src/libbluray/disc/disc.c
+++ b/src/libbluray/disc/disc.c
@@ -477,10 +477,11 @@ int disc_cache_bdrom_file(BD_DISC *p, const char *rel_path, const char *cache_pa
         return -1;
     }
 
-    while (1) {
+    do {
         uint8_t buf[16*2048];
         got = file_read(fp_in, buf, sizeof(buf));
-        if (got <= 0) {
+        if (got < 0) {
+            /* we'll call write(fp, buf, 0) after EOF. It is used to check for errors. */
             break;
         }
         if (fp_out->write(fp_out, buf, got) != got) {
@@ -490,7 +491,8 @@ int disc_cache_bdrom_file(BD_DISC *p, const char *rel_path, const char *cache_pa
             (void)file_unlink(cache_path);
             return -1;
         }
-    }
+    } while (got > 0);
+
     BD_DEBUG(DBG_FILE, "cached %s to %s\n", rel_path, cache_path);
 
     file_close(fp_out);