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  • Committer: Bazaar Package Importer
  • Author(s): Michael Banck, Michael Banck, Daniel Leidert
  • Date: 2009-02-23 00:12:02 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20090223001202-rutldoy3dimfpesc
Tags: 3.4.0-1
* New upstream release.

[ Michael Banck ]
* debian/patches/01_DESTDIR.dpatch: Refreshed.
* debian/patches/02_FHS.dpatch: Removed, applied upstream.
* debian/patches/03_debian_docdir: Likewise.
* debian/patches/04_man.dpatch: Likewise.
* debian/patches/06_466828_fix_gcc_43_ftbfs.dpatch: Likewise.
* debian/patches/07_464867_move_executables: Fixed and refreshed.
* debian/patches/00list: Adjusted.
* debian/control: Improved description.
* debian/patches-held: Removed.
* debian/rules (install/psi3): Do not ship the ruby bindings for now.

[ Daniel Leidert ]
* debian/rules: Fix txtdir via DEB_MAKE_INSTALL_TARGET.
* debian/patches/01_DESTDIR.dpatch: Refreshed.

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Lines of Context:
src/lib/libpsio/volseek.cc
 
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/*!
 
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 \file
 
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 \ingroup PSIO
 
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 */
 
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#include <unistd.h>
 
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#include <libpsio/psio.h>
 
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/* This is strictly used to avoid overflow errors on lseek() calls */
 
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#define PSIO_BIGNUM 10000
 
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extern "C" {
 
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  /*!
 
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   ** PSIO_VOLSEEK()
 
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   **
 
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   ** \ingroup PSIO
 
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   */
 
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  int psio_volseek(psio_vol *vol, ULI page, ULI offset, ULI numvols) {
 
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    int stream, errcod;
 
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    ULI bignum, total_offset;
 
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    bignum = PSIO_BIGNUM*numvols;
 
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    stream = vol->stream;
 
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    /* Set file pointer to beginning of file */
 
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    errcod = lseek(stream, (ULI) 0, SEEK_SET);
 
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    if (errcod == -1)
 
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      return (errcod);
 
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    /* lseek() through large chunks of the file to avoid offset overflows */
 
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    for (; page > bignum; page -= bignum) {
 
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      total_offset = PSIO_BIGNUM * PSIO_PAGELEN;
 
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      errcod = lseek(stream, total_offset, SEEK_CUR);
 
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      if (errcod == -1)
 
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        return (errcod);
 
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    }
 
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    /* Now compute the final offset including the page-relative term */
 
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    total_offset = (ULI) page/numvols; /* This should truncate */
 
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    total_offset *= PSIO_PAGELEN;
 
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    total_offset += offset; /* Add the page-relative term */
 
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    errcod = lseek(stream, total_offset, SEEK_CUR);
 
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    if (errcod == -1)
 
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      return (errcod);
 
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    return (0);
 
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  }
 
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}