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-rw-r--r--stringlib.c31
1 files changed, 17 insertions, 14 deletions
diff --git a/stringlib.c b/stringlib.c
index 97280cf..0a612ca 100644
--- a/stringlib.c
+++ b/stringlib.c
@@ -1,22 +1,22 @@
/* stringlib.c - Miscellaneous string functions. */
-/* Copyright (C) 1996-2002 Free Software Foundation, Inc.
+/* Copyright (C) 1996-2009 Free Software Foundation, Inc.
This file is part of GNU Bash, the Bourne Again SHell.
- Bash is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
- version.
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
- Bash is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
- You should have received a copy of the GNU General Public License along
- with Bash; see the file COPYING. If not, write to the Free Software
- Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
#include "config.h"
@@ -125,7 +125,7 @@ find_index_in_alist (string, alist, flags)
not including END. */
char *
substring (string, start, end)
- char *string;
+ const char *string;
int start, end;
{
register int len;
@@ -170,7 +170,10 @@ strsub (string, pat, rep, global)
temp[templen++] = string[i++];
}
}
- temp[templen] = 0;
+ if (temp)
+ temp[templen] = 0;
+ else
+ temp = savestring (string);
return (temp);
}