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Allow disabling unsafe implicit conversions in wxString

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While we have to keep these conversions enabled by default, they are very
dangerous as they can result in silent data loss on any system not using a
locale with UTF-8 encoding, i.e. always under MSW.

Allow mitigating this by defining wxNO_UNSAFE_WXSTRING_CONV when compiling the
application code using the library, which makes these conversions invisible to
the user code, and so can be used without recompiling the library.

Also add wxUSE_UNSAFE_WXSTRING_CONV which can be set to 0 when compiling the
library to disable these conversions globally for all applications using it.

Closes #11830.
This commit is contained in:
Vadim Zeitlin
2017-02-12 00:47:35 +01:00
parent 4cc45797a1
commit e125c3b657
14 changed files with 159 additions and 1 deletions
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8
include/wx/chkconf.h
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@@ -373,6 +373,14 @@
# endif
#endif /* !defined(wxUSE_UNICODE) */
#ifndef wxUSE_UNSAFE_WXSTRING_CONV
# ifdef wxABORT_ON_CONFIG_ERROR
# error "wxUSE_UNSAFE_WXSTRING_CONV must be defined, please read comment near the top of this file."
# else
# define wxUSE_UNSAFE_WXSTRING_CONV 0
# endif
#endif /* !defined(wxUSE_UNSAFE_WXSTRING_CONV) */
#ifndef wxUSE_URL
# ifdef wxABORT_ON_CONFIG_ERROR
# error "wxUSE_URL must be defined, please read comment near the top of this file."