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qtconf: Add comment to clarify code handling env vars

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The string handling is not immediately clear, unless one already knows
what it is supposed to do.

Change-Id: Icd5746513d760d478f03c8aded3669b06b692a87
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Ahmad Samir <a.samirh78@gmail.com>
Reviewed-by: Joerg Bornemann <joerg.bornemann@qt.io>
This commit is contained in:
Fabian Kosmale 2024-04-30 12:01:18 +02:00
parent 09ea47f811
commit aa161b1e4e
1 changed files with 4 additions and 0 deletions
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4
src/corelib/global/qlibraryinfo.cpp
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@ -554,6 +554,10 @@ QString QLibraryInfoPrivate::path(QLibraryInfo::LibraryPath p, UsageMode usageMo
} }
qsizetype startIndex = 0; qsizetype startIndex = 0;
/* We support placeholders of the form $(<ENV_VAR>) in qt.conf.
The loop below tries to find all such placeholders, and replaces
them with the actual value of the ENV_VAR environment variable
*/
while (true) { while (true) {
startIndex = ret.indexOf(u'$', startIndex); startIndex = ret.indexOf(u'$', startIndex);
if (startIndex < 0) if (startIndex < 0)