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Code Issues Releases Wiki Activity

Allow -DNO_GET_ENVIRONMENT to avoid GetEnvironmentVariable

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If NO_GET_ENVIRONMENT is #defined at compile time on Windows, do not
call GetEnvironmentVariable.  QUtil::get_env will always return
false.  This option is not available through configure.  This was
added to support a specific user's requirements to avoid calling
GetEnvironmentVariable from the Windows API.  Nothing in qpdf outside
the test coverage system in qtest relies on QUtil::get_env.
This commit is contained in:
Jay Berkenbilt 2013-11-29 22:08:25 -05:00
parent 88c29873e5
commit 478c05fcab
6 changed files with 36 additions and 4 deletions
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7
ChangeLog
View File

@ -1,5 +1,12 @@
2013-11-29 Jay Berkenbilt <ejb@ql.org>
* If NO_GET_ENVIRONMENT is #defined, for Windows only,
QUtil::get_env will always return false. This was added to
support a user who needs to avoid calling GetEnvironmentVariable
from the Windows API. QUtil::get_env is not used for any
functionality in qpdf and exists only to support the test suite
including test coverage support with QTC (part of qtest).
* Add /FS to msvc builds to allow parallel builds to work with
Visual C++ 2013.

11
examples/pdf-double-page-size.cc
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@ -51,6 +51,15 @@ int main(int argc, char* argv[])
whoami += 3;
}
// For test suite
bool static_id = false;
if ((argc > 1) && (strcmp(argv[1], " --static-id") == 0))
{
static_id = true;
--argc;
++argv;
}
if (! ((argc == 3) || (argc == 4)))
{
usage();
@ -88,7 +97,7 @@ int main(int argc, char* argv[])
// Write out a new file
QPDFWriter w(qpdf, outfilename);
if (QUtil::get_env("IN_TESTSUITE"))
if (static_id)
{
// For the test suite, uncompress streams and use static
// IDs.

11
examples/pdf-invert-images.cc
View File

@ -70,6 +70,15 @@ int main(int argc, char* argv[])
whoami += 3;
}
// For test suite
bool static_id = false;
if ((argc > 1) && (strcmp(argv[1], " --static-id") == 0))
{
static_id = true;
--argc;
++argv;
}
if (! ((argc == 3) || (argc == 4)))
{
usage();
@ -149,7 +158,7 @@ int main(int argc, char* argv[])
// Write out a new file
QPDFWriter w(qpdf, outfilename);
if (QUtil::get_env("IN_TESTSUITE"))
if (static_id)
{
// For the test suite, uncompress streams and use static
// IDs.

3
examples/qtest/double-page-size.test
View File

@ -12,7 +12,8 @@ my $td = new TestDriver('double-page-size');
cleanup();
$td->runtest("double page size",
{$td->COMMAND => "pdf-double-page-size in.pdf a.pdf"},
{$td->COMMAND => ['pdf-double-page-size', ' --static-id',
'in.pdf', 'a.pdf']},
{$td->STRING =>
"pdf-double-page-size: new file written to a.pdf\n",
$td->EXIT_STATUS => 0},

3
examples/qtest/invert-images.test
View File

@ -12,7 +12,8 @@ my $td = new TestDriver('invert-images');
cleanup();
$td->runtest("double page size",
{$td->COMMAND => "pdf-invert-images in.pdf a.pdf"},
{$td->COMMAND => ['pdf-invert-images', ' --static-id',
'in.pdf', 'a.pdf']},
{$td->STRING =>
"pdf-invert-images: new file written to a.pdf\n",
$td->EXIT_STATUS => 0},

5
libqpdf/QUtil.cc
View File

@ -7,6 +7,7 @@
#include <cmath>
#include <iomanip>
#include <sstream>
#include <stdexcept>
#include <stdio.h>
#include <errno.h>
#include <ctype.h>
@ -262,6 +263,9 @@ QUtil::get_env(std::string const& var, std::string* value)
{
// This was basically ripped out of wxWindows.
#ifdef _WIN32
# ifdef NO_GET_ENVIRONMENT
return false;
# else
// first get the size of the buffer
DWORD len = ::GetEnvironmentVariable(var.c_str(), NULL, 0);
if (len == 0)
@ -279,6 +283,7 @@ QUtil::get_env(std::string const& var, std::string* value)
}
return true;
# endif
#else
char* p = getenv(var.c_str());
if (p == 0)