Changeset 99961 in vbox

Timestamp:

May 24, 2023 9:57:27 PM (2 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

157621

Message:

IPRT/sg: Corrected RTSgBufIsAtEnd and made the code deal with (skip) empty segments. Added a testcase (incomplete). [scm]

Location:

trunk

Files:

trunk/include/iprt/sg.h

-              r99960
+              r99961
 /**
  * Clones a given S/G buffer.
+ *
+ *
  * This is only a shallow copy.  Both S/G buffers will point to the same segment
  * array.
+ *
+ * array.
+ *
  * The buffer position will be preserved.
+ *
+ *
  * @param   pSgBufNew    The new S/G buffer to clone to.
  * @param   pSgBufOld    The source S/G buffer to clone from.
 …
  * Returns whether the given S/G buffer is zeroed out from the current position
  * upto the number of bytes to check.
+ *
+ *
  * @retval  true if the buffer has only zeros
  * @retval  false otherwise.
  * @param   pSgBuf      The S/G buffer.
  * @param   cbCheck     Number of bytes to check.
+ *
+ * @param   cbCheck     Number of bytes to check.
+ *
  * @note    This operation advances the internal buffer pointer of the S/G buffer.
  */

-              r99960
+              r99961
 static void *rtSgBufGet(PRTSGBUF pSgBuf, size_t *pcbData)
+{
     /*
+    /*
      * Check that the S/G buffer has memory left (!RTSgIsEnd(pSgBuf)).
      */
 …
 #endif
         /*
+        /*
          * Advance ...
          */

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