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From jor...@apache.org
Subject svn commit: r326598 - in /apr/apr/branches/1.2.x: CHANGES file_io/unix/seek.c test/testfile.c
Date Wed, 19 Oct 2005 16:17:02 GMT
Author: jorton
Date: Wed Oct 19 09:16:54 2005
New Revision: 326598

URL: http://svn.apache.org/viewcvs?rev=326598&view=rev
Log:
Merge r326593, r326597 from trunk:

* file_io/unix/seek.c (setptr): Don't ignore errors from
apr_file_flush.

* test/testfile.c (test_fail_read_flush): Add test.

* file_io/unix/seek.c (setptr): Tidy up error handling a little; use
apr_status_t, use rv not rc, check lseek return value directly, use
explicit APR_SUCCESS.  No functional change.

Modified:
    apr/apr/branches/1.2.x/CHANGES
    apr/apr/branches/1.2.x/file_io/unix/seek.c
    apr/apr/branches/1.2.x/test/testfile.c

Modified: apr/apr/branches/1.2.x/CHANGES
URL: http://svn.apache.org/viewcvs/apr/apr/branches/1.2.x/CHANGES?rev=326598&r1=326597&r2=326598&view=diff
==============================================================================
--- apr/apr/branches/1.2.x/CHANGES (original)
+++ apr/apr/branches/1.2.x/CHANGES Wed Oct 19 09:16:54 2005
@@ -1,6 +1,7 @@
 Changes for APR 1.2.3-dev
 
-
+  *) Fix apr_file_seek() to catch write failures when flushing
+     pending writes for a buffered file.  [Joe Orton]
 
 Changes for APR 1.2.2
 

Modified: apr/apr/branches/1.2.x/file_io/unix/seek.c
URL: http://svn.apache.org/viewcvs/apr/apr/branches/1.2.x/file_io/unix/seek.c?rev=326598&r1=326597&r2=326598&view=diff
==============================================================================
--- apr/apr/branches/1.2.x/file_io/unix/seek.c (original)
+++ apr/apr/branches/1.2.x/file_io/unix/seek.c Wed Oct 19 09:16:54 2005
@@ -19,32 +19,33 @@
 static apr_status_t setptr(apr_file_t *thefile, apr_off_t pos )
 {
     apr_off_t newbufpos;
-    int rc;
+    apr_status_t rv;
 
     if (thefile->direction == 1) {
-        apr_file_flush(thefile);
+        rv = apr_file_flush(thefile);
+        if (rv) {
+            return rv;
+        }
         thefile->bufpos = thefile->direction = thefile->dataRead = 0;
     }
 
     newbufpos = pos - (thefile->filePtr - thefile->dataRead);
     if (newbufpos >= 0 && newbufpos <= thefile->dataRead) {
         thefile->bufpos = newbufpos;
-        rc = 0;
+        rv = APR_SUCCESS;
     } 
     else {
-        rc = lseek(thefile->filedes, pos, SEEK_SET);
-
-        if (rc != -1 ) {
+        if (lseek(thefile->filedes, pos, SEEK_SET) != -1) {
             thefile->bufpos = thefile->dataRead = 0;
             thefile->filePtr = pos;
-            rc = 0;
+            rv = APR_SUCCESS;
         }
         else {
-            rc = errno;
+            rv = errno;
         }
     }
 
-    return rc;
+    return rv;
 }
 
 

Modified: apr/apr/branches/1.2.x/test/testfile.c
URL: http://svn.apache.org/viewcvs/apr/apr/branches/1.2.x/test/testfile.c?rev=326598&r1=326597&r2=326598&view=diff
==============================================================================
--- apr/apr/branches/1.2.x/test/testfile.c (original)
+++ apr/apr/branches/1.2.x/test/testfile.c Wed Oct 19 09:16:54 2005
@@ -766,6 +766,16 @@
     ABTS_ASSERT(tc, "gets should flush buffered write and fail",
                 rv != APR_SUCCESS && rv != APR_EOF);
 
+    /* Likewise for seek. */
+    {
+        apr_off_t offset = 0;
+
+        rv = apr_file_seek(f, APR_SET, &offset);
+    }
+
+    ABTS_ASSERT(tc, "seek should flush buffered write and fail",
+                rv != APR_SUCCESS && rv != APR_EOF);
+
     apr_file_close(f);
 }
 



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