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fix crash when ${HOME} is empty

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@10419 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Jean-Marc Lasgouttes 2005-09-07 09:44:58 +00:00
parent e2a6073643
commit 742ff585a2
3 changed files with 12 additions and 4 deletions
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13
src/support/ChangeLog
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@ -1,3 +1,9 @@
2005-08-31 Jean-Marc Lasgouttes <lasgouttes@lyx.org>
* filetools.C (MakeDisplayPath): fix bug when HOME is empty.
* lstrings.C (subst): the string to be replaced should not be empty.
2005-07-17 Michael Schmitt <michael.schmitt@teststep.org>
* package.C.in:
@ -6,9 +12,10 @@
2005-07-14 Angus Leeming <leeming@lyx.org>
* filename.[Ch] (mangledFilename): add an optional "dir" parameter
that is used to help determine the length of the mangled file name.
Do this because MiKTeX's YAP (version 2.4.1803) will crash if the string
referencing the file name in the .dvi file is "too long". MikTeX bug:
that is used to help determine the length of the mangled file
name. Do this because MiKTeX's YAP (version 2.4.1803) will crash
if the string referencing the file name in the .dvi file is "too
long". MikTeX bug:
http://sourceforge.net/tracker/index.php?func=detail&aid=1238065&group_id=10783&atid=110783
2005-07-10 Georg Baum <Georg.Baum@post.rwth-aachen.de>

2
src/support/filetools.C
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@ -1000,7 +1000,7 @@ string const MakeDisplayPath(string const & path, unsigned int threshold)
string const home = package().home_dir();
// replace /home/blah with ~/
if (prefixIs(str, home))
if (!home.empty() && prefixIs(str, home))
str = subst(str, home, "~");
if (str.length() <= threshold)

1
src/support/lstrings.C
View File

@ -353,6 +353,7 @@ string const subst(string const & a, char oldchar, char newchar)
string const subst(string const & a,
string const & oldstr, string const & newstr)
{
BOOST_ASSERT(!oldstr.empty());
string lstr = a;
string::size_type i = 0;
string::size_type const olen = oldstr.length();