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  1. RHEL
  2. RHEL-3008

fwrite on stream opened with open_memstream() truncates the buffer size

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    • Important
    • 2
    • rhel-sst-pt-libraries
    • ssg_platform_tools
    • 5
    • False
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    • Yes
    • SST PT Libraries Sprint 10, SST PT Libraries Sprint 11
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    • Bug Fix
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      Cause (the user action or circumstances that trigger the bug):
      Consequence (what the user experience is when the bug occurs):
      Fix (what has changed to fix the bug; do not include overly technical details):
      Result (what happens now that the patch is applied):
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      Cause (the user action or circumstances that trigger the bug): Consequence (what the user experience is when the bug occurs): Fix (what has changed to fix the bug; do not include overly technical details): Result (what happens now that the patch is applied):
    • Proposed
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      Current output:

      """
      Running test: fopen()
      position after fwrite: 24
      position after SEEK_END: 24

      Running test: fmemopen()
      position after fwrite: 24
      position after SEEK_END: 24

      Running test: open_memstream()
      position after fwrite: 24
      position after SEEK_END: 4

      open_memstream() final buffer size: 4
      """

      Expected ouput:
      """
      Running test: fopen()
      position after fwrite: 24
      position after SEEK_END: 24

      Running test: fmemopen()
      position after fwrite: 24
      position after SEEK_END: 24

      Running test: open_memstream()
      position after fwrite: 24
      position after SEEK_END: 24

      open_memstream() final buffer size: 24
      """

      The seek to the start of the buffer, and write data smaller than
      the stream length truncates the memory stream.

              rhn-engineering-dj DJ Delorie
              rhn-support-pandrade Paulo Andrade
              Platform Tools - Libraries Bot Platform Tools - Libraries Bot
              Sergey Kolosov Sergey Kolosov
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                Created:
                Updated:
                Resolved: