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Handle properly exception that can be thrown by to_local8bit

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Remove the use of this function in GuiAlert.

This was spotted by coverity
This commit is contained in:
Jean-Marc Lasgouttes 2017-03-27 16:08:22 +02:00
parent 91ca310d1d
commit 522f3517e1
4 changed files with 27 additions and 6 deletions
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5
src/frontends/qt4/GuiAlert.cpp
View File

@ -211,9 +211,8 @@ void doError(docstring const & title0, docstring const & message, bool backtrace
<< toPlainText(message) << endl;
QString details;
if (backtrace) {
details = QString::fromLocal8Bit(to_local8bit(printCallStack()).c_str());
}
if (backtrace)
details = toqstr(printCallStack());
if (!use_gui)
return;

8
src/support/environment.cpp
View File

@ -57,7 +57,13 @@ bool setEnv(string const & name, string const & value)
// CHECK Look at and fix this.
// f.ex. what about error checking?
string const encoded = to_local8bit(from_utf8(value));
string encoded;
try {
encoded = to_local8bit(from_utf8(value));
} catch (...) {
return false;
}
#if defined (HAVE_SETENV)
return ::setenv(name.c_str(), encoded.c_str(), 1) == 0;
#elif defined (HAVE_PUTENV)

10
src/support/os_cygwin.cpp
View File

@ -456,8 +456,16 @@ bool autoOpenFile(string const & filename, auto_open_mode const mode,
cygwin_internal(CW_SYNC_WINENV);
}
string win_path;
try {
win_path = to_local8bit(from_utf8(convert_path(filename, PathStyle(windows))));
} catch (...) {
LYXERR0("Cannot encode file name `" << filename << "' to local 8 bit encoding");
return false;
}
// reference: http://msdn.microsoft.com/en-us/library/bb762153.aspx
string const win_path = to_local8bit(from_utf8(convert_path(filename, PathStyle(windows))));
char const * action = (mode == VIEW) ? "open" : "edit";
bool success = reinterpret_cast<long>(ShellExecute(NULL, action,
win_path.c_str(), NULL, NULL, 1)) > 32;

10
src/support/os_win32.cpp
View File

@ -567,10 +567,18 @@ bool autoOpenFile(string const & filename, auto_open_mode const mode,
setEnv("TEXFONTS", newtexfonts);
}
string fname8;
try {
fname8 = to_local8bit(from_utf8(filename));
} catch (...) {
LYXERR0("Cannot encode file name `" << filename << "' to local 8 bit encoding");
return false;
}
// reference: http://msdn.microsoft.com/en-us/library/bb762153.aspx
char const * action = (mode == VIEW) ? "open" : "edit";
bool success = reinterpret_cast<intptr_t>(ShellExecute(NULL, action,
to_local8bit(from_utf8(filename)).c_str(), NULL, NULL, 1)) > 32;
fname8.c_str(), NULL, NULL, 1)) > 32;
if (!path.empty() && !lyxrc.texinputs_prefix.empty()) {
setEnv("TEXINPUTS", oldtexinputs);