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add checks for empty word list to avoid crashes later in MyThes::binsearch()

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git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@34742 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Stephan Witt 2010-07-02 07:03:15 +00:00
parent 49b3a5d5f6
commit 2bb7b6d4ea
1 changed files with 4 additions and 0 deletions
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4
src/support/mythes/mythes.cxx
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@ -174,6 +174,9 @@ int MyThes::Lookup(const char * pText, int len, mentry** pme)
// handle the case of missing file or file related errors
if (! pdfile) return 0;
// handle the case if empty word list
if (nw <= 0) return 0;
long offset = 0;
/* copy search word and make sure null terminated */
@ -337,6 +340,7 @@ int MyThes::readLine(FILE * pf, char * buf, int nc)
int MyThes::binsearch(char * sw, char* list[], int nlst)
{
int lp, up, mp, j, indx;
if (0==nlst) return -1;
lp = 0;
up = nlst-1;
indx = -1;