diff options
Diffstat (limited to 'contrib/groff/src/roff/troff/symbol.cc')
| -rw-r--r-- | contrib/groff/src/roff/troff/symbol.cc | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/contrib/groff/src/roff/troff/symbol.cc b/contrib/groff/src/roff/troff/symbol.cc index ce09e39..09f4c98 100644 --- a/contrib/groff/src/roff/troff/symbol.cc +++ b/contrib/groff/src/roff/troff/symbol.cc @@ -1,5 +1,5 @@ // -*- C++ -*- -/* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc. +/* Copyright (C) 1989, 1990, 1991, 1992, 2002 Free Software Foundation, Inc. Written by James Clark (jjc@jclark.com) This file is part of groff. @@ -29,6 +29,7 @@ char *symbol::block = 0; int symbol::block_size = 0; const symbol NULL_SYMBOL; +const symbol EMPTY_SYMBOL(""); #ifdef BLOCK_SIZE #undef BLOCK_SIZE @@ -38,9 +39,9 @@ const int BLOCK_SIZE = 1024; // the table will increase in size as necessary // the size will be chosen from the following array // add some more if you want -// I think it unlikely that we'll need more than a million symbols static const unsigned int table_sizes[] = { -101, 503, 1009, 2003, 3001, 4001, 5003, 10007, 20011, 40009, 80021, 160001, 500009, 1000003, 0 + 101, 503, 1009, 2003, 3001, 4001, 5003, 10007, 20011, 40009, 80021, + 160001, 500009, 1000003, 1500007, 2000003, 0 }; const double FULL_MAX = 0.3; // don't let the table get more than this full @@ -73,10 +74,14 @@ inline void unused(void *) { } symbol::symbol(const char *p, int how) { - if (p == 0 || *p == 0) { + if (p == 0) { s = 0; return; } + if (*p == 0) { + s = ""; + return; + } if (table == 0) { table_size = table_sizes[0]; table = (const char **)new char*[table_size]; @@ -147,4 +152,3 @@ symbol concat(symbol s1, symbol s2) a_delete buf; return res; } - |
